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https://www.nationalacademies.org/trb/events

Shear Wave Velocity Measurements - Phase II

The objective of this project is to update and refine the Missouri Department of Transportation (MoDOT)’s geotechnical seismic site investigation and analysis procedures in response to the release of the American Association of State Highway and Transportation Officials (AASHTO) Guide Specifications for Load and Resistance Factor Design (LRFD) Seismic Bridge Design, 3rd Edition. This will also include updates for geotechnical investigations procedures, analysis methods, and global stability procedures for retaining wall and embankment design in response to AASHTO LRFD Bridge Design Specifications, 10th Edition. The project will include an evaluation of available software programs that may assist in performing the required seismic analysis as it relates to transportation projects, including but not limited to bridges, culverts, retaining walls, and roadway embankments. The conclusions and results of the analysis will be incorporated into the existing Engineering Policy Guide (EPG). Additionally, at the conclusion of the project, MoDOT staff will be trained on the preferred methods of performing the updated seismic hazard analysis.