Homework_29

Homework_29 - CEEN 641 ADVANCED SOIL MECHANICS HOMEWORK...

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CEEN 641 – ADVANCED SOIL MECHANICS HOMEWORK ASSIGNMENT #29 1. Using the finite element analysis program PLAXIS, determine the ultimate passive force acting on a gravity-type retaining wall. The concrete wall is 12-ft tall, has vertical faces, is very rigid, and should be modeled as a horizontally-translating plate element without rotation and appropriate interface(s). The retained soil is level and should be modeled using a Mohr- Coulomb soil model with the following idealized properties: a constant elastic modulus of 1,500,000 psf, a poisson’s ratio of 0.3, a moist unit weight of 140 pcf, a friction angle of 40 degrees, no cohesion, and a dilatancy angle of 40 degrees (an unrealistic value). The ground beneath the wall has the same properties as the retained soil, and the water table is very deep. Perform all of your work based on a 1-ft unit width of wall. Other information that may/will prove helpful: The frictional strength ratio between formed concrete and soil is typically taken to be
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Homework_29 - CEEN 641 ADVANCED SOIL MECHANICS HOMEWORK...

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