TRB’s National Cooperative Highway Research Program (NCHRP) Report 592: Simplified Live Load Distribution Factor Equations explores recommended Load and Resistance Factor Design (LRFD) live load distribution factor design equations for shear and moment that are simpler to apply and have a wider range of applicability than current methods.
The following appendices for NCHRP Report 592 are available online:
Appendix A: Bibliography Appendix B: Literature Review Appendix C: NBI Bridge Type Study Appendix D: Summary of Existing Simplified Methods Appendix E: Sample Calculations, Existing Simplified Methods Appendix F: Modeling Assumptions Appendix G: Modeling Verification Appendix H: Recommended Specification Language Appendix I: Sample Calculations, Recommended Simplified Method Appendix J: Recommended Simplified Method vs. Rigorous Analysis Appendix K: Recommended Simplified Method vs. Current LRFD Appendix L: Parameter Studies Appendix M: Lane Spacing Study Appendix N: All Simplified Methods vs. Rigorous Analysis Appendix O: Controlling Lanes Loaded Study Appendix P: Push the Limit Bridges Appendix Q: Steel Spread Box Girders