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

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

Sima Ghosh, Richi Prasad Sharma
Copyright: © 2011 |Pages: 9
DOI: 10.4018/jgee.2011010102
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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.
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2. Graphical Representation Of Active Earth Pressure For C-Φ Soil

The graphical representation of the seismic active earth pressure is done under following sections:

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