Geotechnical Engineering Seminar

Start Date: 
Wednesday, November 16, 2016 - 4:00pm to 5:30pm

2029 GGB

Presenter: 
Jonathan Hubler, University of Michigan

Evaluation of Gravelly Soil Liquefaction through Laboratory and Field Testing

Understanding and evaluating the response of coarse-grained liquefiable soils during earthquake events is critical to predicting infrastructure behavior. To date, most research in soil liquefaction has focused on sands, as they have been observed to liquefy in the field and can be readily tested under controlled conditions in the laboratory. However, the response of gravelly soils during earthquake loading is not well understood due to fewer well-documented case histories of field liquefaction as well as limited laboratory test data. Recent earthquakes (2008 Wenchuan, China and 2014 Cephalonia, Greece) have shown that gravelly soils can and will liquefy during earthquakes. This seminar will present results from ongoing research at the University of Michigan on evaluating the response of gravelly soils during and after earthquake events by combining laboratory experiments (large-size cyclic simple shear) and field testing (MASW and Dynamic Penetration Testing) with the goal of developing both improved and novel methods of predicting and assessing liquefaction and post-liquefaction response of gravelly soils.

This seminar will present results from ongoing research at the University of Michigan on evaluating the response of gravelly soils during and after earthquake events by combining laboratory experiments (large-size cyclic simple shear) and field testing (MASW and Dynamic Penetration Testing) with the goal of developing both improved and novel methods of predicting and assessing liquefaction and post-liquefaction response of gravelly soils.

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