Force Polygon and Seismic Active Earth Pressure on the Back of a Retaining Wall Supporting c-F Backfill

Sima Ghosh and Richi Prasad Sharma
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Sima Ghosh: National Institute of Technology, India
Richi Prasad Sharma: National Institute of Technology, India

International Journal of Geotechnical Earthquake Engineering (IJGEE), 2011, vol. 2, issue 1, 20-28

Abstract: The study presents a rational graphical approach to discover the dynamic active earth pressure on the back of a battered face retaining wall having inclined c-F backfill with surcharge load over the top of backfill. Considering the seismic forces as time independent inertia forces acting at the c.g. of the wedge soil, the law of force polygon is applied in the evaluation of seismic active earth pressure. A depth of tension crack in case of c-F backfill is also considered. A detailed parametric study has been made for the variation of seismic active earth pressure coefficients with respect to c, ca, F, d, kh, kv.

Date: 2011
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