External Resources
- USGS
- Post-hazard assessment
- Multidisciplinary Center for Earthquake Engineering Research (MCEER)
- Pacific Earthquake Engineering Research (PEER) Center
- Mid-America Earthquake Center (MAE)
- Tsunami Websites
NCHRP Projects, Syntheses, Reports
- Earthquake
- NCHRP 12-49 Comprehensive Specification for the Seismic Design of Bridges (2001 http://onlinepubs.trb.org/onlinepubs/nchrp/nchrp_rpt_472.pdf, http://www.trb.org/NotesDocs/LRFDdraft3.pdf)
- NCHRP Project 20-07, Task 193 LRFD Guidelines for the Seismic Design of Highway Bridges, Version 2 (2006)
- NCHRP 12-70 Seismic Analysis and Design of Retaining Walls, Buried Structures, Slopes, and Embankments (2008 http://www.trb.org/news/blurb_detail.asp?id=9631, http://www.trb.org/news/blurb_detail.asp?id=9631)
- NCHRP 12-74 Development of Precast Bent Cap Systems for Seismic Regions (2010 http://www.trb.org/Main/Blurbs/Development_of_a_Precast_Bent_Cap_System_for_Seism_164866.aspx)
- NCHRP 12-88 Synthesis on System Performance of Accelerated Bridge Construction Connections in Moderate-to-High Seismic Regions (2011 http://www.trb.org/Main/Blurbs/Application_of_Accelerated_Bridge_Construction_Con_165909.aspx)
- NCHRP 12-59(01) Seismic Design of Geosynthetic-Reinforced Soil (GRS) Bridge Abutments with Flexible Facing (2012 http://www.trb.org/Main/Blurbs/166932.aspx)
- NCHRP 12-101 Seismic Evaluation of Bridge Columns with Energy Dissipating Mechanisms (2017 http://www.trb.org/Main/Blurbs/177069.aspx, http://onlinepubs.trb.org/onlinepubs/nchrp/nchrp_rpt_864appendices.pdf)
- NCHRP 12-102 Recommended AASHTO Guide Specification for ABC Design and Construction (Note: The developed design guide did not focus on, but included seismic design. See NCHRP 12-105 for seismic design development. http://www.trb.org/NCHRP/Blurbs/177251.aspx)
- NCHRP 12-105 Proposed AASHTO Seismic Specifications for ABC Column Connections (NCHRP Report 935 Proposed AASHTO Seismic Specifications for ABC Column Connections http://www.trb.org/Publications/Blurbs/180609.aspx, Appendices https://apps.trb.org/cmsfeed/TRBNetProjectDisplay.asp?ProjectID=3865)
- NCHRP 12-106 Proposed Guidelines for Performance-Based Seismic Bridge Designs ( NCHRP Research Report 949: Proposed AASHTO Guidelines for Performance-Based Seismic Bridge Design http://www.trb.org/Main/Blurbs/181123.aspx#.X0V4033uWg8.linkedin)
- NCHRP 12-114 Guidance on Seismic Site Response Analysis with Pore Water Pressure Generation
- NCHRP 20-07/Task 193 LRFD Guidelines for the Seismic Design of Highway Bridges, Version 2
- NCHRP 20-07/Task262 Review and Update of the AASHTO Guide Specifications for Seismic Isolation Design (2011 http://onlinepubs.trb.org/onlinepubs/nchrp/docs/NCHRP20-07(262)_FR.pdf)
- Flood
- NCHRP 20-59(53): FloodCast: A Framework for Enhanced Flood Event Decision Making for Transportation Resilience (Ongoing)
- NCHRP Synthesis 20-05/Topic 46-16 Minimizing Roadway Embankment Damage from Flooding (http://www.trb.org/Main/Blurbs/174773.aspx)
- NCHRP 24-20(02) Evaluation of Abutment-Scour Equations from NCHRP Projects 24-15(2) and 24-20 Using Field Data (2015 https://onlinepubs.trb.org/onlinepubs/nchrp/docs/NCHRP24-20(2)_FR.pdf)
- Scour
- NCHRP 21-03 Instrumentation for Measuring Scour at Bridge Piers and Abutments (1997) (See NCHRP Synthesis 20-05/Topic 36-02)
- NCHRP 21-07 Development of Portable Scour Monitoring Equipment (1994 http://trb.org/news/blurb_detail.asp?id=3255) (See NCHRP Synthesis 20-05/Topic 36-02)
- NCHRP 24-06 Expert System for Stream Stability and Scour Evaluation (1997)
- NCHRP 24-07 Countermeasures to Protect Bridge Piers from Scour (1998 http://www.trb.org/Main/Public/Blurbs/156796.aspx)
- NCHRP 24-07(2) Countermeasures to Protect Bridge Piers from Scour (2006 http://www.trb.org/news/blurb_detail.asp?id=8517, http://onlinepubs.trb.org/onlinepubs/nchrp/nchrp_rpt_593_cmsel.xls, http://onlinepubs.trb.org/onlinepubs/nchrp/nchrp_rpt_593_RefDoc.pdf, )
- NCHRP 24-08 Scour at Bridge Foundations: Research Needs (1997)
- NCHRP 24-14 Scour at Contracted Bridge Sites (2004 http://trb.org/news/blurb_detail.asp?id=5994) (See NCHRP 24-47)
- NCHRP 24-15 Complex Pier Scour and Contraction Scour in Cohesive Soils (2002 http://www.trb.org/news/blurb_detail.asp?id=4353)
- NCHRP 24-15(2) Abutment Scour in Cohesive Materials (2004 http://onlinepubs.trb.org/onlinepubs/nchrp/docs/NCHRP24-15(2)_FR.pdf, http://www.trb.org/news/blurb_detail.asp?id=10218)
- NCHRP 24-18 Countermeasures to Protect Bridge Abutments from Scour (2003)
- NCHRP 24-18A Countermeasures to Protect Bridge Abutments from Scour (2003 http://www.trb.org/news/blurb_detail.asp?id=8148)
- NCHRP 24-20 Prediction of Scour at Bridge Abutments (2010 http://onlinepubs.trb.org/onlinepubs/nchrp/docs/NCHRP24-20_FR.pdf, http://www.trb.org/news/blurb_detail.asp?id=10218)
- NCHRP 24-20(02) Evaluation of Abutment-Scour Equations from NCHRP Projects 24-15(2) and 24-20 Using Field Data (2015 https://onlinepubs.trb.org/onlinepubs/nchrp/docs/NCHRP24-20(2)_FR.pdf))
- NCHRP 24-26 Effects of Debris on Bridge-Pier Scour (2010 http://www.trb.org/Main/Blurbs/163548.aspx, http://www.trb.org/Main/Blurbs/163549.aspx, http://onlinepubs.trb.org/onlinepubs/nchrp/docs/NCHRP24-26_DataReports.iso)
- NCHRP 24-27(01) Evaluation of Bridge Scour Research: Pier Scour Processes and Predictions (2011 http://www.trb.org/Main/Blurbs/165314.aspx, http://www.trb.org/Main/Blurbs/167759.aspx)
- NCHRP 24-27(02) Evaluation of Bridge-Scour Research: Abutment and Contraction Scour Processes and Predictions (2011 http://www.trb.org/Main/Blurbs/166160.aspx, http://www.trb.org/Main/Blurbs/167759.aspx)
- NCHRP 24-27(03) Evaluation (2011 http://www.trb.org/Main/Blurbs/165327.aspx, http://www.trb.org/Main/Blurbs/167759.aspx)
- NCHRP 24-29 Scour at Bridge Foundations on Rock (2011 http://www.trb.org/Main/Blurbs/167222.aspx)
- NCHRP 24-32 Scour at Wide Piers and Long Skewed Piers (2010 http://www.trb.org/Publications/Blurbs/164161.aspx)
- NCHRP 24-34 Risk-Based Approach for Bridge Scour Prediction (2013 http://onlinepubs.trb.org/onlinepubs/nchrp/docs/NCHRP24-34_FR.pdf)
- NCHRP 24-36 Scour at the Base of Retaining Walls and Other Longitudinal Structures (2016 http://onlinepubs.trb.org/onlinepubs/nchrp/docs/NCHRP24-36_FR.pdf)
- NCHRP 24-37 Combining Individual Scour Components to Determine Total Scour (2017)
- NCHRP 24-42 Underwater Installation of Filters Systems for Scour and Other Erosion Control Countermeasures
- NCHRP 24-47 Revised Clear-Water and Live-Bed Contraction Scour Analysis
- NCHRP 24-48 A Methodology for Determining Scour Depth around Structures in Gravel-bed Rivers
- NCHRP IDEA 20-30/IDEA 043 Robotic System for Underwater Bridge Inspection and Scour Evaluation (http://www.trb.org/studies/idea/finalreports/highway/NCHRP043_Final_Report.pdf)
- NCHRP IDEA 20-30/IDEA 162 Full-Scale Prototype Testing and Manufacturing and Installation Plans for New Scour-Vortex-Prevention scAUR and VorGAUR Products for a Representative Scour-Critical Bridge (2012 http://www.trb.org/Main/Blurbs/169960.aspx)
- NCHRP IDEA 20-30/IDEA 183 A Radiofrequency Identification (RFID) Detection System for Assessing Scour Countermeasures and the Stability of Hydraulic Structures (2015)
- NCHRP Synthesis 20-05/Topic 36-02 Monitoring Scour Critical Bridges (2004 http://144.171.11.107/Publications/Blurbs/162822.aspx)
- Wind
- NCHRP 12-111 Evaluating the Effectiveness of Vibration-Mitigation Devices for Structural Supports of Signs, Luminaires, and Traffic Signals
- NCHRP 20-07/Task 325 Updating the AASHTO LRFD Wind Loads Provisions (2014 AASHTO LRFD 8th Ed. 2017)
- NCHRP 15-67 Improved Methodology to Accurately Determine Wind Drag Coefficients for Highway Signs and Their Support Structures (Ongoing)
- NCHRP IDEA 20-30/IDEA 141 Reducing Fatigue in Wind-Excited Traffic Signal Support Structures using Smart Damping Techniques (http://onlinepubs.trb.org/onlinepubs/idea/finalreports/highway/NCHRP141_Final_Report.pdf)
- Multi-Hazard Resilience and Extreme Events
- NCHRP 12-48 Design of Highway Bridges for Extreme Events (2002 http://onlinepubs.trb.org/onlinepubs/nchrp/nchrp_rpt_489.pdf)
- NCHRP 12-47 Redundancy in Highway Bridge Substructures (2000 http://onlinepubs.trb.org/onlinepubs/nchrp/nchrp_rpt_458-a.pdf)
- Risk-Based Management
- NCHRP Synthesis 20-05/Topic 46-11 Post-Extreme Event Damage Assessment and Response for Highway Bridges (2016 http://www.trb.org/Main/Blurbs/175479.aspx)
- NCHRP 14-29 Assessing, Coding, and Marking of Highway Structures in Emergency Situations (2016 http://onlinepubs.trb.org/onlinepubs/nchrp/nchrp_w223.pdf, http://www.trb.org/Main/Blurbs/175318.aspx)