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TRB Webinar: Attracting the Future Construction Workforce – Case StudiesMay 12, 2020 The asphalt materials and construction communities are constantly trying to attract workers who will be productive and positively engaged in their career. TRB hosted a webinar on Tuesday, May 12, 2020 from 1:00 to 3:00 PM Eastern that presented case studies demonstrating innovative ways that the construction community is fulfilling demand for workers. A vital part of this workforce demand will ...
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TRB Webinar: Steel Your bridges – Preservation Practices for Steel Bridge CoatingsMay 7, 2020 Does your organization manage steel bridges? TRB hosted a webinar on Thursday, May 7, 2020 from 2:00 to 3:30 PM Eastern that identified challenges of maintaining coating on steel bridges. Operating agencies must maintain the coating in order to protect the bridges from corrosion. This webinar discussed coating and recoating methods that may extend bridges’ service lives and save costs. Presente...
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TRB Webinar: How rough is your pavement?March 17, 2020 Because of their unique features, current practices for estimating urban and low-speed pavement roughness could lead to inappropriate or misleading data. Make your measurements more accurate. TRB is hosting a webinar on Tuesday, March 17, from 2:00 to 3:30 PM Eastern that will describe methods for measuring, characterizing, and reporting roughness on urban and low-speed roads. The presenter wil...
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TRB Webinar: Advanced Structural Materials for Concrete BridgesDecember 3, 2019 Bridge owners and designers were invited to a TRB webinar on Tuesday, December 3, 2019, from 1:00 PM to 2:30 PM ET. This webinar identified and compared several advanced performance structural materials that may be used on bridges. Material options that enhance the performance and durability of bridges have increased over the years, many of which may be broadly implemented on various bridges. T...
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 TRB Webinar: Carbon Fiber-Reinforced Polymer Systems for Concrete Structures November 12, 2019 Bridge engineers were invited to a TRB webinar on Tuesday, November 12, 2019, from 2:00 PM to 3:30 PM ET. The webinar provided a summary of the findings from the National Cooperative Highway Research Program (NCHRP)’s Research Report 907 : Design of Concrete Bridge Beams Prestressed with Carbon Fiber Reinforced Polymer (CFRP) Systems. Due to the differences in the physical and mechanical behavi...
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TRB Webinar: Practices for Stabilized and Recycled Base and Subgrade Materials October 7, 2019 Road construction professionals were invited to a TRB webinar on Monday, October 7, 2019, from 2:00 PM to 4:00 PM ET. The webinar provided an overview of practices used to achieve high quality subgrade and base material when using lower quality or recycled materials. Professionals used laboratory and field data to predict field performance of high-quality bases and subgrades. These same process...
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TRB Webinar: Recent Developments in Cold Asphalt RecyclingAugust 26, 2019 Pavement designers were invited to a TRB webinar on Monday, August 26, 2019, from 1:00 PM to 3:00 PM ET. The webinar discussed recent research and implementation efforts related to cold in-place recycling (CIR) and cold central-plant recycling (CCPR) technologies. Recently, CIR and CCPR research has addressed mixture design, material characterization, modeling, quality assurance, and integratio...
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TRB Webinar: Building Better Micro Surfacing and Slurry SealsApril 24, 2019 TRB conducted a webinar on Wednesday, April 24, 2019, from 1:00 PM to 2:30 PM ET that described micro surfacing and slurry seals and discussed their use and construction. These pavement preservation techniques are widely used and suitable for higher trafficked roadways, but practitioners have encounters some problems. Presenters examined these problems and identified possible improvements, incl...
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TRB Webinar: Waterborne Traffic Paint Application, Materials Selection, and TestingMarch 26, 2019 TRB conducted a webinar on Tuesday, March 26, 2019, from 2:00 PM to 3:30 PM ET that discusses practices for applying pavement markings. While pavement markings are a safety measure with a long history and broad use, there is a wide variety of practices, resulting in significant differences in paint quality from location to location. This webinar presented a case study of one state department of...
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TRB Webinar: Moisture Infiltration and Pavement Surface TreatmentsNovember 19, 2018 TRB conducted a webinar on Monday, November 19, 2018, from 2:00 PM to 3:30 PM ET that discussed available methods for measuring moisture infiltration into pavements. Presenters described a universal method for measuring water infiltration into multiple types of in-place asphalt pavement surfaces. They also discussed novel materials, design, and/or construction practices that may minimize moistu...
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TRB Webinar: Moisture Damage in Asphalt Pavements: Forensic Analyses and Research NeedsOctober 31, 2018 TRB conducted a webinar on Wednesday, October 31, 2018, from 2:00 PM to 4:00 PM ET that provides a practical discussion of moisture damage in asphalt pavements. The presenters discussed real-world examples of how transportation agencies have investigated moisture damage in specific projects; useful cost-benefit considerations when addressing asphalt mixtures that may be susceptible to moisture ...
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TRB Webinar: Guidelines for Resurfacing, Restoration, and Rehabilitation ProjectsOctober 2, 2018 TRB conducted a webinar on Tuesday, October 2, 2018, from 2:00 PM to 3:30 PM ET that featured research from the National Cooperative Highway Research Program (NCHRP)’s Research Report 876 : Guidelines for Integrating Safety and Cost-Effectiveness into Resurfacing, Restoration, and Rehabilitation (3R) Projects. This webinar presented updated geometric design guidance for 3R projects. These guide...
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TRB Webinar: Performance-Based Mix Design of Porous Friction CoursesSeptember 10, 2018 TRB conducted a webinar on Monday, September 10, 2018, from 2:00 PM to 3:30 PM ET that featured research from the National Cooperative Highway Research Program (NCHRP)’s Research Report 877 : Performance-Based Mix Design for Porous Friction Courses. This webinar provided guidelines for a performance-based mix design procedure for porous friction courses (PFC) that includes laboratory testing. A...
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TRB Webinar: Construction of Mass Concrete Transportation Infrastructure August 6, 2018 TRB conducted a webinar on Monday, August 6, 2018, from 2:00 PM to 4:00 PM ET that explored construction of mass concrete structures, such as bridge piers and other large volume placements. The presenters discussed the reasons why it is important to control concrete temperatures in mass concrete construction projects, how to control in-place concrete temperatures, and the latest advances in pos...
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TRB Webinar: Field Performance of Corrugated Pipes Manufactured with Recycled MaterialsJune 21, 2018 TRB conducted a webinar on Thursday, June 21, 2018 from 2:00 PM to 3:30 PM ET that featured research from the National Cooperative Highway Research Program (NCHRP)’s Research Report 870 : Field Performance of Corrugated Pipe Manufactured with Recycled Polyethylene Content. This webinar discussed how to evaluate the field performance of corrugated high density polyethylene (HDPE) pipes manufactu...
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TRB Webinar: Bases/Subbases for Concrete Pavements: State-of-the-PracticeApril 17, 2018 TRB conducted a webinar on Tuesday, April 17, 2018, from 1:00PM to 2:30PM ET that will provide an overview of the design and construction of bases and subbases for concrete pavements and its impact on pavement performance. This webinar will focus on information in Technical Brief FHWA-HIF-16-005 .* The presenters discussed experiences with experimental sections constructed at the MnRoad test tr...
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TRB Webinar: Specifying and Measuring Asphalt Density to Ensure Pavement PerformanceMarch 27, 2018 TRB conducted a webinar on Tuesday, March 27, 2018 from 2:00 PM to 3:30 PM ET that featured research from the National Cooperative Highway Research Program (NCHRP)’s Research Report 856 : Specifying and Measuring Asphalt Pavement Density to Ensure Pavement Performance. The in-place density of asphalt mixtures is the single most important property of the asphalt mixture in the pavement. This web...
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TRB Webinar: Cold Recycled & Reclaimed Asphalt Concrete Properties for Pavement DesignMarch 22, 2018 TRB conducted a webinar on Thursday, March 22, 2018 from 2:00 PM to 3:30 PM ET that featured research from the National Cooperative Highway Research Program (NCHRP)’s Research Report 863 : Material Properties of Cold In-Place Recycled and Full-Depth Reclamation Asphalt Concrete. Pavement recycling techniques are effective for rehabilitating existing pavements or constructing new pavements while...
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TRB Webinar: Permeable Concrete Pavements: State-of-the-PracticeMarch 15, 2018 TRB conducted a webinar on Thursday, March 15, 2018, from 2:00PM to 3:30PM ET that will provide an overview about the state-of-the-practice for two types of permeable concrete pavement systems and their use. This webinar focused on information in Technical Brief FHWA-HIF-16-004 .* Presenters discussed the structural and hydrological design, factors for successful construction and maintenance, a...
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TRB Webinar: Roller-Compacted Concrete Pavements State-of-the-PracticeFebruary 14, 2018 TRB conducted a webinar on Wednesday, February 14, 2018 from 2:00PM to 3:30PM ET that provides an overview about the state-of-the-practice for roller-compacted concrete (RCC) pavements. RCC is placed with conventional or high-density asphalt paving equipment, and then compacted with rollers. This webinar focused on information in Technical Brief FHWA-HIF-16-003 .* It illustrated the uses for RC...
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TRB Webinar: Improving Asphalt Content Determination through Ignition TestingDecember 6, 2017 TRB conducted a webinar on Wednesday, December 6, 2017 from 2:00 PM to 3:30 PM ET that featured research from the National Cooperative Highway Research Program (NCHRP)’s Report 847 : Variability of Ignition Furnace Correction Factors. This webinar discussed the significant influences that affect the variability of asphalt and aggregate correction factors for ignition furnaces. Presenters discus...
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TRB Webinar: Optimizing the Risk and Cost of Materials Quality AssuranceNovember 6, 2017 TRB conducted a webinar on Monday, November 6, 2017, from 2:00 PM to 3:30 PM ET that features research from the National Cooperative Highway Research Program (NCHRP)’s Report 838 : Guidelines for Optimizing the Risk and Cost of Materials QA Programs. Presenters discussed how state departments of transportation (DOTs) can identify and evaluate opportunities that may enhance their materials qual...
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TRB Webinar: Long-Term Field Performance of Warm Mix Asphalt PavementsOctober 25, 2017 TRB conducted a webinar on Wednesday, October 25, 2017 from 2:00 PM to 3:30 PM ET that featured research from the National Cooperative Highway Research Program (NCHRP)’s Report 843 : Long-Term Field Performance of Warm Mix Asphalt Technologies. Presenters highlighted field performance and material property determinants of several issues that arise with warm mix asphalt (WMA), including transver...
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TRB Webinar: Performance Grade Specifications for Emulsions Used in Pavement Preservation TreatmentOctober 23, 2017 TRB conducted a webinar on Monday, October 23, 2017 from 2:00 PM to 3:30 PM ET that featured research from the National Cooperative Highway Research Program (NCHRP)’s Report 837 : Performance-Related Specifications for Emulsified Asphalt Binders Used in Preservation Surface Treatments. This webinar examined three pavement preservation surface treatments: chip seal, microsurfacing, and spray sea...
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TRB Webinar: Control of Concrete Cracking in BridgesAugust 17, 2017 TRB conducted a webinar on Thursday, August 17, 2017 from 2:00 PM to 3:30 PM ET that featured research from the National Cooperative Highway Research Program (NCHRP)’s Synthesis 500 : Control of Concrete Cracking in Bridges. This webinar examined the methods used to control concrete cracking in bridge superstructures and substructures and on the influence of cracking on long-term durability. Th...
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TRB Webinar: Bases/Subbases for Concrete PavementsApril 17, 2017 TRB conducted a webinar on Monday, April 17, 2017, from 2:00 PM to 3:30 PM ET about bases and subbases for concrete pavements. This webinar focused on information in Technical Brief FHWA-HIF-16-005 *. Presenters discussed rigid pavement layer configurations, design considerations including the importance of positive drainage, and materials. They also addressed factors for successful constructio...
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TRB Webinar: Internal Curing of Concrete PavementsFebruary 16, 2017 TRB conducted a webinar on Thursday, February 16, 2017, from 2:00PM to 3:30PM ET on internal curing of concrete pavements. Internal curing is the process by which the curing water comes from the aggregates within the concrete instead of from the concrete’s surface as in the conventional curing process. This webinar focused on information in Technical Brief FHWA-HIF-16-006 .* The presenters disc...
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TRB Webinar: Roller-Compacted Concrete PavementsJanuary 23, 2017 TRB conducted a webinar on Monday, January 23, 2017, from 2:00PM to 3:30PM ET on roller-compacted concrete (RCC) pavements, which has not been widely used by U.S. highway agencies, but may provide benefits like cost-effectiveness and ease of construction. This webinar focused on information in Technical Brief FHWA-HIF-16-003.* The presenters will discuss RCC materials, mixtures, designs, and us...
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TRB Webinar: Construction, Quality Control & Performance of Unbound Granular LayersNovember 15, 2016 TRB conducted a webinar on Tuesday, November 15, 2016 from 1:00PM to 2:30PM ET on material from Chapter 5 of National Cooperative Highway Research Program (NCHRP) Synthesis 445 : Practices for Unbound Aggregate Pavement Layers. This webinar demonstrated how natural mineral aggregate and recycled/by-product aggregate, as used in granular base and subbase, is successfully compacted to form paveme...
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TRB Webinar: Performance of Geosynthetic Reinforced Soil Integrated Bridge Systems October 24, 2016 TRB conducted a webinar on Monday, October 24, 2016 from 2:00 to 3:30PM ET that presented how three Geosynthetic Reinforced Soil Integrated Bridge Systems (GRS IBS) performed. There are over 200 GRS IBS projects around the United States, several of which are being monitored in order to verify the expected performance of the structure. This webinar highlighted the overall observed performance of...
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TRB Webinar: Development and Validation of Performance-Based Hot-Poured Crack Sealant SpecificationsOctober 6, 2016 TRB conducted a webinar on Thursday, October 6, 2016 from 2:00PM to 3:30PM ET that discusses the performance grading system for hot-poured crack sealants. Crack sealants can be a cost-effective preventative maintenance method for pavements. When properly installed, crack sealants can extend pavement service life for as many as five years. This webinar discussed research from two U.S. Federal Hi...
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TRB Webinar: Improved Specimen Preparation for Soil-Cement Design and Construction MonitoringSeptember 12, 2016 TRB conducted a webinar on Monday, September 12, 2016 from 2:00PM to 3:30PM ET on a new compaction device that can serve as a tool to improve soil-cement test specimen preparation. The plastic mold (PM) device can produce high-quality test specimens for soil-cement pavement layer thickness design testing, laboratory mixture design testing, and construction quality assurance testing. This webina...
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TRB Webinar: Moisture and Compaction Measurement during Unbound Aggregate Layer ConstructionAugust 22, 2016 TRB conducted a webinar on Monday, August 22, 2016 from 1:00PM to 2:30PM ET that discussed the construction of unbound aggregate layers. Roads last longer when unbound aggregate layers are built well. Because it is important to compact materials at the correct moisture levels, accurate and fast measurements of moisture and compaction during construction can improve quality and long term perform...
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TRB Webinar: Controlling Corrosion of Infrastructure SystemsAugust 4, 2016 TRB conducted a webinar on Thursday, August 4, 2016 from 2:00PM to 3:30PM ET that discusses corrosion control. Corrosion poses a risk to public safety and the environment; the annual direct cost of corrosion in the United States is estimated to be more than 3 percent of national GDP. This webinar helped engineers bridge the gap between academic research and practices to address corrosion infras...
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TRB Webinar: Converting Paved Roads to UnpavedJune 30, 2016 TRB conducted a webinar on Thursday, June 30, 2016, from 2:00 to 3:30PM ET that features research from National Cooperative Highway Research Program (NCHRP) Synthesis 485 : Converting Paved Roads to Unpaved. The report summarizes recent road conversion projects in 27 states. Many local road agencies faced challenges with the process, but also reported cost savings after converting. This webinar...
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TRB Webinar: Resistivity Measurements in ConcreteApril 13, 2016 TRB conducted a webinar on Wednesday, April 13, 2016 from 2:00-3:30PM ET that detailed the latest advancements in resistivity measurements in concrete. The webinar discussed the status of standard test method development for both bulk and surface resistivity. This webinar also mentioned factors that affect resistivity measurements, as well as examples of implementation of resistivity measuremen...
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TRB Webinar: Improved Test Methods for Specific Gravity and Absorption of Coarse and Fine AggregateFebruary 18, 2016 TRB conducted a webinar on Thursday, February 18, 2016 from 2:00PM to 3:30PM ET that featured a research report conducted by the National Cooperative Highway Research Program (NCHRP) that explores test methods for determining the specific gravity and absorption of coarse and fine aggregates. These methods are designed to improve the accuracy, precision, ease of use, and time required for condit...
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TRB Webinar: Cold Central Plant Recycling – A Proven Paving Approach Using 100% Recycled MaterialsSeptember 3, 2015 TRB conducted a webinar on Thursday, September 3, 2015 from 2:00PM to 3:30PM ET about cold central plant recycling (CCPR). CCPR is a paving technique that uses 100% recycled materials, which allows contractors to process the recycled asphalt pavement (RAP) material they already have. Traditionally, this technique has not been frequently used in the United States, but recent research illustrates...
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TRB Webinar: Materials for Unbound Granular Pavement LayersJune 24, 2015 TRB conducted a webinar on June 24, 2015, from 1:00pm to 3:00pm ET that presented material closely aligned with Chapters 2, 3, and 4 of NCHRP Synthesis 445: Practices for Unbound Aggregate Pavement Layers . Webinar presenters showed how natural mineral aggregate and recycled/by-product aggregate (as used in granular base and sub-base layers of pavements) is obtained, selected, characterized, an...
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TRB Webinar: Pothole Patching: One More TimeApril 1, 2015 TRB conducted a webinar on April 1, 2015, from 1:00pm to 2:30pm ET that covered NCHRP Synthesis 463: Pavement Patching Practices , which summarizes current practices for patching small-scale defects in concrete and asphalt practices. Webinar presenters discussed the results of a literature search and a state survey related to pavement patching and repair, as well as present case studies and pre...
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TRB Webinar: Performance of WMA Technologies: Stage I - Moisture SusceptibilityFebruary 26, 2015 TRB conducted a webinar on February 26, 2015, from 1:00pm to 2:30pm ET that covered all sections of NCHRP Report 763: Evaluation of the Moisture Susceptibility of WMA Technologies , which presents proposed guidelines for identifying potential moisture susceptibility in warm mix asphalt (WMA) based on coordinated laboratory and field experiments. The webinar addressed the report’s motivation, ob...
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TRB Webinar: Long-Term Performance of Epoxy Adhesive Anchor SystemsNovember 19, 2014 TRB conducted a webinar on November 19, 2014, from 1:00pm to 2:30pm ET that summarized NCHRP 757: Long-Term Performance of Epoxy Adhesive Anchor Systems . This report describes standard test methods and specifications, design guidelines and specifications, and quality assurance guidelines and construction specifications for the use of adhesive anchor systems in transportation structures. A cert...
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TRB Webinar: Planning and Design Considerations for Precast Concrete Pavement ImplementationOctober 8, 2014 TRB conducted a webinar on October 8, 2014, from 1:00pm to 2:30pm ET that focused on the project selection, panel design, and development of precast concrete pavement (PCP) specifications and plans. Webinar presenters covered SHRP 2 Report S2-R05-RR-1: Precast Concrete Pavement Technology , which provides comprehensive guidance on project selection, PCP system acceptance, and panel design, fabr...
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TRB Webinar: The Benefits of a Bigger Geotechnical Toolbox: Case HistoriesSeptember 24, 2014 TRB conducted a webinar on September 24, 2014 that highlighted examples of subsurface investigation programs where appropriately selected geophysical and in-situ testing methods have been incorporated. This webinar is intended for geotechnical engineers, engineering geologists, highway and structural engineers, project managers, and other transportation professionals interested in increasing th...
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TRB Webinar: Ternary Mixtures: Past, Present, and FutureAugust 26, 2014 TRB conducted a webinar on August 26, 2014, from 12:00pm to 1:30pm ET that covered ternary mixtures, including a broad overview of past and current research results. Webinar presenters also explained ternary specification and discussed current implementation efforts of ternary mixtures. A certificate for 1.5 Professional Development Hours (PDHs) was provided to attendees who registered and atte...
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TRB Webinar: Best Practices for Crack TreatmentsAugust 25, 2014 TRB conducted a webinar on August 25, 2014, from 2:00pm to 3:30pm ET that presented the findings of NCHRP Report 784: Best Practices for Crack Treatments for Asphalt Pavements . The webinar summarized practices used for crack sealing and crack filling in asphalt pavements. The presenter highlighted situations when state-of-the-art practices differ from the state of the practice, and identified ...
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TRB Webinar: Concrete Maturity Protocol Development and ApplicationAugust 13, 2014 TRB conducted a webinar on August 13, 2014, from 2:00pm to 3:30pm ET that explored two states’ experiences with concrete maturity methods. Webinar presenters discussed how Iowa Department of Transportation has implemented maturity methods in the field and how Minnesota Department of Transportation has conducted field and laboratory projects to evaluate the applicability of the concrete maturity...
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TRB Webinar: Durability of Concrete: An Overview of the Recently Updated CircularJune 19, 2014 TRB conducted a webinar on June 19, 2014, from 2:00pm to 3:30pm ET that focused on Transportation Research Circular E-C171: Durability of Concrete , which updated a 1999 circular. A certificate for 1.5 Professional Development Hours (PDHs) was provided to attendees who registered and attended the webinar as an individual. Contact Reggie Gillum at RGillum@nas.edu for instructions on receivi...
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TRB Webinar: Conducting Forensic Investigations of Highway PavementsApril 10, 2014 TRB conducted a webinar on April 10, 2014, from 2:00pm to 3:30pm ET that covered all sections of NCHRP Report 747: Guide for Conducting Forensic Investigations of Highway Pavements , which describes a process for conducting forensic investigations of pavements that is designed to help understand the reasons behind premature failures or exceptionally good performance. The webinar addressed...
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TRB Webinar: Asphalt Healing for Extended Pavement SustainabilityDecember 4, 2013 TRB conducted a webinar on December 4, 2013 from 1:00 p.m.-3:00 p.m. ET that highlighted research on the mechanism underlying asphalt healing and how it can be used in practice. Researchers introduced new ideas on the characterization and modeling of asphalt healing and explored how to employ these new ideas in practice. Researchers and practitioners were encouraged to atten...
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 TRB’s SHRP 2 Tuesdays Webinar: SHRP 2 Composite Pavement Systems (R21) December 3, 2013 As part of the SHRP2 Tuesdays Webinar Series, TRB conducted a webinar on December 3, 2013 from 2:00 p.m.-3:30 p.m. ET that explored the SHRP 2 project called Composite Pavement Systems (R21) . View the recorded webinar . This webinar explored the SHRP 2 Composite Pavement Systems research project, which provides guidelines and validated models, techniques, and specifications for using two compo...
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TRB Webinar: Slag Cement for Sustainable ConcreteOctober 30, 2013 TRB conducted a webinar on October 30, 2013 from 2:00 p.m.- 4:00 p.m. ET that summarized slag cement material characteristics, specifications, and its effect on fresh and hardened concrete properties. Contact Reggie Gillum at RGillum@nas.edu for more information on obtaining the recorded webinar. Webinar presenters will describe case studies from long-term field applications in transportation s...
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TRB Webinar: Pavement Drainage Practices to Achieve Long Lived PavementsOctober 23, 2013 TRB conducted a webinar on October 23, 2013 from 2:00 p.m.- 3:30 p.m. ET that will highlight TRB’s National Cooperative Highway Research Program (NCHRP) Research Results Digest 268 : Performance of Pavement Subsurface Drainage, which provides information about the overall effectiveness of subsurface drainage on the performance of flexible and rigid pavements, focusing on permeable bases. Contac...
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TRB’s SHRP 2 Tuesdays Webinar: Precast Concrete Pavement Technology (R05)September 24, 2013 As part of the SHRP2 Tuesdays Webinar Series, TRB conducted a webinar on September 24, 2013 from 2:00 p.m.-3:30 p.m. ET that explored the project Precast Concrete Pavement Technology, which produced the report Precast Concrete Pavement Technology as well as model specifications for precast concrete pavement. View the recorded webinar . There is no fee to attend this webinar and other webinars i...
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TRB Webinar: Subsurface Drainage for Slope Stabilization, Part 2 of 2June 26, 2013 ** This webinar experienced technical difficulties on June 25. We will be broadcasting the second-half of the webinar on June 26, 2013 from 2:00 p.m. - 3:00 p.m. ET. Please re-register to view this June 26 webinar . TRB will conduct a webinar on June 25, 2013 from 2:00 p.m.- 4:00 p.m. ET that will present the results of a recently completed pooled fund research project on subsurface drainage fo...
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TRB's SHRP 2 Tuesdays Webinar: Performance Specifications for Rapid Renewal (R07)June 11, 2013 As part of the SHRP2 Tuesdays Webinar Series, TRB conducted a webinar on June 11, 2013 from 2:00 p.m.- 3:30 p.m. ET that explored the project Performance Specifications for Rapid Renewal , which addresses the obstacles of defining fair and meaningful specification requirements when implementing rapid renewal performance specifications. View the recorded webinar . The benefits of performance spe...
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TRB Webinar: Subsurface Drainage for Slope Stabilization, Part 1 of 2May 29, 2013 TRB conducted a webinar on May 29, 2013 from 2:00 p.m.- 4:00 p.m. ET that presented the results of a recently completed pooled fund research project on subsurface drainage for slope stabilization. Contact Reggie Gillum at RGillum@nas.edu for information on accessing a link to the recorded webinar. This first webinar of a two-part series will introduce the research project, explain the limitatio...
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TRB Webinar: Promising Practices for Concrete Paving for New EngineersApril 30, 2013 TRB conducted a webinar on April 30, 2013 from 2:00 p.m.- 4:00 p.m. ET that will provide an overview of basic, promising practices for concrete paving, and the effects these practices may have on long term pavement performance. Contact Reggie Gillum at RGillum@nas.edu for instructions on accessing a link to the recorded webinar. Webinar Presenters: Michael E. Ayers, Global Pavement Consul...
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 TRB Webinar: Environmental Planning for Airport Winter OperationsApril 25, 2013 TRB conducted a webinar on April 25, 2013 from 2:00 p.m.- 3:30 p.m. ET that will feature research conducted by TRB’s Airport Cooperative Research Program (ACRP) about environmental planning aspects for deicing materials and the collection and monitoring of storm water management systems. Participants must register in advance of the webinar, and there is no fee associated with this webinar. View...
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TRB Webinar: Global Sensitivity Analysis of MEPDG for Rigid Pavement PerformanceFebruary 7, 2013 TRB conducted a webinar on February 7, 2013, from 2 p.m.- 4 p.m. ET that explored the results of a National Cooperative Highway Research Program (NCHRP) Project, “ Sensitivity Evaluation of MEPDG Performance Prediction .” Contact Reggie Gillum at RGillum@nas.edu for details to access a link to the recorded webinar. The MEPDG provides methodologies for the analysis and performance pr...
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TRB Webinar: Promising Practices on Prevention of Moisture-Induced Damage in Asphaltic PavementsJanuary 30, 2013 TRB conducted a webinar on January 30, 2013, from 12:00 p.m-2:00 p.m ET that provided an overview of potential risks for enhanced moisture-induced damage and practices for preventing damage by examining pavements used in Europe and the United States. Contact Reggie Gillum at RGillum@nas.edu for details to access a link to the recorded webinar. Moisture-induced damage in asphalt concrete wearing...
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TRB Webinar: Basics of Asphalt Modeling: Part 2December 11, 2012 TRB conducted a webinar on December 11, 2012, from 2:00 p.m.-4:00 p.m. ET. This is the second webinar in a multi-part series that will explore the basics about the mechanical behavior of asphalt concrete. Contact Reggie Gillum at RGillum@nas.edu for information about receiving the recorded webinar. This webinar, organized by the TRB Standing Committee on Characteristics of Asph...
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TRB Webinar: Quieter Pavements: Measurements and ApplicationsOctober 31, 2012 TRB conducted a webinar on October 31, 2012, from 2:00 p.m.-4:00 p.m. ET that explored pavement measurement standards and how these standards have been used to both identify and optimize quieter pavements nationwide. Contact Reggie Gillum at RGillum@nas.edu for information on obtaining a link to the recorded webinar. This webinar complements a TRB webinar previously conducted o...
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TRB Webinar: Performance based Sealant Grading (SG) Specifications for Hot-poured Crack SealantsOctober 23, 2012 TRB conducted a webinar on October 23, 2012, from 2:00 p.m.-3:30 p.m. ET that introduced new performance based sealant grading specifications for hot-poured crack sealants. Contact Reggie Gillum at RGillum@nas.edu for information on obtaining a link to the recorded webinar. The webinar will explore the findings of the completed U.S. Federal Highway Administration (FHWA) Pooled...
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TRB Webinar: Basics of Asphalt Modeling: Part 1October 18, 2012 TRB conducted a webinar on October 18, 2012, from 2:00 p.m.-4:00 p.m. ET that is the first in two part series that explores the basics about the mechanical behavior of asphalt concrete. Contact Reggie Gillum at RGillum@nas.edu for information on obtaining a link to the recorded webinar. Basics of Asphalt Modeling: Part 2 will be held on December 11, 2012. The webinar is d...
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TRB Webinar: Transportation Asset Management: Current Trends in Pavement and BridgesSeptember 19, 2012 TRB conducted a webinar on September 19, 2012, from 2:00 p.m.-4:00 p.m. ET that summarized the current trends in transportation asset management related to pavement and bridges. Contact Reggie Gillum for a recording of the webinar. The webinar will highlight sessions conducted at the 9th National Conference on Asset Management, which took place on April 16-18, 2011, in San Diego, Califor...
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TRB Webinar: Overview of Nanotechnology and Use of Nanomaterials as Modifiers for Asphalt BindersSeptember 7, 2012 TRB conducted a webinar on September 7, 2012, from 2:00 p.m.-3:30 p.m. ET that explored the use of nanomaterials in asphalt binders used for paving applications. To request a recording of this webinar, email Reggie Gillum . The use of nanomaterials in pavement construction, particularly asphalt binders has the potential to lead to enhanced mechanical properties. Preliminary research demonstrat...
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TRB Webinar: Overview and Current Practice of Ground Tire Rubber Use in AsphaltAugust 2, 2012 TRB conducted a webinar on August 2, 2012, from 2:00 p.m.-4:00 p.m. ET that explored the use ground tire rubber in asphalt products. Contact Reggie Gillum at RGillum@nas.edu for information on receiving a recording of this webinar. The utilization of scrap tire rubber in asphalt products started in the mid-1960s for use in asphalt surface treatments as a pavement preservation pract...
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TRB Webinar: Developments in Non-Traditional StabilizersAugust 1, 2012 TRB conducted a webinar on August 1, 2012, from 12:00 p.m.-1:30 p.m. ET that examined non-traditional road dust palliatives and soil stabilizers that may be cost-effective, long-lasting, and environmentally considerate alternatives. Contact Reggie Gillum at RGillum@nas.edu for information on receiving a recording of this webinar. The webinar is based on presentations given at a session titled D...
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TRB Webinar: Managing Gravel Road MaintenanceApril 10, 2012 TRB conducted a webinar on April 10, 2012, that explored techniques for maintaining and managing granular surfaced roads. Participants must register in advance of the webinar, and there is a fee for non-TRB Sponsor employees. Contact Reggie Gillum at RGillum@nas.edu to request a recording of the webinar. Webinar presenters will share techniques for maintaining and managing granular surfaced roa...
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TRB Webinar: Erosion and Sediment Control for Native and Aggregate Surfaced RoadsApril 4, 2012 TRB conducted a webinar on April 4, 2012, that explored methods to reduce sediment erosion from native and aggregate surfaced low-volume roads. Contact Reggie Gillum at RGillum@nas.edu to request a recording of the webinar. This webinar will explore research conducted in the Pacific Northwest and Pennsylvania that tested alternative unbound aggregate treatments for the road su...
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TRB Webinar: The Optimization of Tack Coat for Hot-Mix Asphalt PlacementJanuary 12, 2012 TRB conducted a web briefing or "webinar" on January 12, 2012, from 2:00 p.m.-4:00 p.m. EST that will explore the findings of a forthcoming TRB’s National Cooperative Highway Research Program (NCHRP) report about the optimization of tack coat for hot-mix asphalt placement. The report will be published in the first quarter of 2012. Contact Reggie Gillum at RGillum@nas.edu to request a recording...
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 TRB Webinar: Special Mixture Design Considerations and Methods for Warm-Mix AsphaltSeptember 12, 2011 TRB conducted a web briefing or "webinar" on September 12, 2011, from 2:00 p.m. - 4:00 p.m. EDT that explored procedures for designing dense-graded, asphalt concrete mixtures that will be produced using currently available warm-mix asphalt (WMA) processes. WMA refers to asphalt concrete mixtures that are produced at temperatures approximately 50°F (28°C) or more cooler than typically used in th...
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 TRB Webinar: Principles and Practices of Quieter PavementsAugust 24, 2011 On August 24, 2011, TRB conducted a web briefing or "webinar" that explored principles and practices of designing and constructing quieter pavements. Designing and constructing quieter pavements can be accomplished using the same materials and techniques commonly used today. However, there remain knowledge gaps in how to do so effectively, and without compromising other importa...
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TRB Webinar: Improved Practices for Dowel Bars in Concrete PavementFebruary 16, 2011 On February 16, 2011, TRB conducted a web briefing or "webinar" that explored improved practices for design, construction, and preservation of concrete pavements using dowel bars. For more details, view a summary of this webinar. Email Reggie Gillum at RGillum@nas.edu to receive a link to the recording of this session. There is no fee for employees of TRB sponsors to re...
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TRB Webinar: Long-Life Concrete Pavements: Design and Construction Concepts, and State ExperiencesDecember 8, 2010 On December 8, 2010, TRB conducted a web briefing or "webinar" that explored ways to design and construct long-life concrete pavements (LLCP), state experiences implementing LLCPs, and incremental costs of LLCPs. For more details, view a summary of this webinar. Email Reggie Gillum at RGillum@nas.edu to receive a link to the recording of this session. There is no fee for...
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TRB Webinar: A Simple Procedure for Selecting Mixing and Compaction TemperaturesNovember 2, 2010 On November 2, 2010, TRB conducted a web briefing or "Webinar" that explored enhanced test methods for determining the laboratory mixing and compaction temperatures of unmodified and modified asphalt binders, as addressed in TRB’s National Cooperative Highway Research Program (NCHRP) Report 648: Mixing and Compaction Temperatures of Asphalt Binders in Hot-Mix Asphalt . For more detai...
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TRB Webinar: Development of a Precast Bent Cap System for Seismic RegionsOctober 21, 2010 On October 21, 2010, TRB conducted a web briefing or "Webinar" that explored ways to develop and validate precast concrete bent cap systems for use throughout the nation’s seismic regions. For more details, view a summary of this webinar. Email Reggie Gillum at RGillum@nas.edu to receive a link to the recording of this session. There is no fee for employees of TRB s...
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TRB Webinar: Applications of Advanced Models to Characterize Asphalt PavementsOctober 7, 2010 On October 7, 2010, TRB conducted a web briefing or "Webinar" that explored the applications of advanced models to characterize, evaluate, and design asphalt pavements. For more details, view a summary of this webinar. Email Reggie Gillum at RGillum@nas.edu to receive a link to the recording of this session. There is no fee for employees of TRB sponsors to receive t...
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TRB Webinar: Asphalt Emulsions Part 2: Surface Treatments and Recycling August 10, 2010 On August 10, 2010, TRB conducted a web briefing or "Webinar" that explored main applications of asphalt emulsions and grades that can be used for each application. For more details, view a summary of this webinar. Email Reggie Gillum at RGillum@nas.edu to receive a link to the recording of this session. There is no fee for employees of TRB sponsors to receive this r...
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TRB Webinar: New Non-Destructive Testing Technologies for HMA Quality AssuranceAugust 5, 2010 On August 5, 2010, TRB conducted a web briefing or "Webinar" that explored the application of nondestructive testing (NDT) technologies in the quality assurance of hot-mix asphalt (HMA) pavement construction, as published in the National Cooperative Highway Research Program’s (NCHRP) Report 626: NDT Technology for Quality Assurance of HMA Pavement Construction . For more details, vie...
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TRB Webinar: Precast Pavement Technology-Current and Future DirectionsJuly 28, 2010 On July 28, 2010, TRB conducted a web briefing or "Webinar" that explored the use of precast concrete pavement as a way to provide faster repairs using durable, longer-lasting pavements. For more details, view a summary of this webinar. Email Reggie Gillum at RGillum@nas.edu to receive a link to the recording of this session. There is no fee for employees of TRB spons...
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TRB Webinar: Knowledge Is Power: How TRB's Databases Improve Access to Transportation ResearchApril 19, 2010 On Monday, April 19, 2010, TRB conducted a web briefing or "webinar" that explored practical tips for using the Transportation Research Information Services (TRIS), Research in Progress (RiP), and Research Needs Statements (RNS) databases. For more details, view a summary of this webinar. Watch a recording of the webinar. You will need Windows Media Player 9 or higher to v...
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TRB Webinar: Rheology of Asphalt Binders and Implications for PerformanceNovember 10, 2009 On Tuesday, November 10, 2009, TRB conducted a web briefing or "Webinar" that explored models that can be used to characterize the rheological behavior of asphalt binders to improve performance. For more details, view a summary of this webinar. Email Reggie Gillum at RGillum@nas.edu to receive a link to the recording of this session. There is no fee for employ...
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TRB Webinar: Estimating Stiffness of Subgrade and Unbound Materials for Pavement DesignOctober 28, 2009 On October 28, 2009, TRB conducted a web briefing or "Webinar" that explored intrusive and non-intrusive experimental laboratory and field test methods for the estimation of stiffness properties (resilient modulus) of subgrades and unbound materials for pavement design. For more details, view a summary of this webinar. Email Reggie Gillum at RGillum@nas.edu to receive a link to...
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TRB Webinar: Asphalt Emulsions: Chemistry, Manufacturing, and ApplicationsOctober 13, 2009 On October 13, 2009, TRB conducted a web briefing or "Webinar" that explored the ability of asphalt emulsion technology to provide a low-temperature, low-energy, and volatile organic compound-free solution for constructing, maintaining, and rehabilitating pavement. For more details, view a summary of this webinar. Email Reggie Gillum at RGillum@nas.edu to receive a link to the ...
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TRB Webinar: Slope Maintenance and Slide RestorationSeptember 17, 2009 On September 17, 2009, TRB conducted a web briefing or "Webinar" that explored the latest issues in slope maintenance and slide restoration for transportation maintenance professionals. For more details, view a summary of this webinar. Email Reggie Gillum at RGillum@nas.edu to receive a link to the recording of this session. There is no fee for employees o...
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TRB Webinar: Design and Production of High-Reclaimed Asphalt Pavement MixesMay 7, 2009 On May 7, 2009, TRB conducted a web-seminar or “webinar” that explored research and best practices for the processing, design, and production of high-reclaimed asphalt pavement mixes. For more details, view a summary of this webinar. Email Reggie Gillum at RGillum@nas.edu to receive a link to the recording of this session. There is no fee for employees of TRB sponsors to receiv...
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TRB Webinar: Performance-Based HMA Construction SpecificationApril 27, 2009 On April 27, 2009, TRB conducted a web-seminar or “webinar” that examined the results of TRB’s National Cooperative Highway Research Program (NCHRP) project to develop performance-related specifications for hot-mix asphalt (HMA). For more details, view a summary of this webinar. Email Reggie Gillum at RGillum@nas.edu to receive a link to the recording of this session. There is no fee for...
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 2009 TRB 88th Annual Meeting: Conference RecordingJanuary 11, 2009 View and listen to selected presentations given at the 88th Annual Meeting in Washington, DC on January 11-15, 2009, as part of the TRB’s Conference Recording series. The TRB Conference Recording series is designed to bring information presented at TRB conferences and meetings to those who were not able to attend. To request an archived recording, email Reggie Gillum . There is no fee for...
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 2008 TRB 87th Annual Meeting: Conference RecordingsJanuary 13, 2008 View and listen to selected presentations given at the TRB 87th Annual Meeting in Washington, D.C. , on January 13-17, 2008 , as part of the TRB’s Conference Recording series. The TRB Conference Recording series is designed to bring information presented at TRB conferences and meetings to those who were not able to attend. To request an archived recording, email Reggie Gillum ...
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 2007 TRB 86th Annual Meeting: Conference RecordingJanuary 21, 2007 View and listen to selected presentations given at the 86th Annual Meeting in Washington, D.C., on January 21-25, 2007, as part of the TRB’s Conference Recording series. The TRB Conference Recording series is designed to bring information presented at TRB conferences and meetings to those who were not able to attend. To request an archived recording, email Reggie Gillum . There is no fe...
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2006 TRB 85th Annual Meeting Summary of Major Issues: Conference RecordingMarch 15, 2006 View and listen to selected presentations given at the TRB 2006 Annual Meeting Summary of Major Issues in Albany , NY , on March 15, 2006 prepared by the New York State Department of Transportation , as part of the TRB’s Conference Recording series. The TRB Conference Recording series is designed to bring information presented at TRB conferences and meetings to those who were not able to atten...
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 2006 TRB 85th Annual Meeting: Conference RecordingJanuary 22, 2006 View and listen to selected presentations given at the 85th Annual Meeting in Washington , D.C. , on January 22-26, 2006 , as part of the TRB’s Conference Recording series. The TRB Conference Recording series is designed to bring information presented at TRB conferences and meetings to those who were not able to attend. To request an archived recording, email Reggie Gillum . There is no...
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2005 6th International Bridge Engineering Conference: Conference RecordingJuly 17, 2005 2005 6th International Bridge Engineering Conference : Conference Recording View and listen to selected presentations given at the 6th International Bridge Engineering Conference in Boston , MA , on July 17-20, 2005 , as part of the TRB’s Conference Recording series. The TRB Conference Recording series is designed to bring information presented at TRB conferences and meetings to those w...
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2005 Joint Summer Conference: Conference RecordingJuly 10, 2005 2005 Joint Summer Conference : Conference Recording View and listen to selected presentations given at the Joint Summer Conference in Boston , MA , on July 10-12, 2005 , as part of the TRB’s Conference Recording series. The TRB Conference Recording series is designed to bring information presented at TRB conferences and meetings to those who were not able to attend. To request an... |