Topic
Lateral earth pressure
About: Lateral earth pressure is a research topic. Over the lifetime, 5334 publications have been published within this topic receiving 62552 citations.
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TL;DR: In this article, the effective stress principle is shown to relate changes in shear strength and surface elevation of natural profiles of unsaturated clay, which have important applications to the design of earth embankments and shallow foundations on expansive clay.
Abstract: Methods are developed for evaluating effective stresses and shear strength parameters from laboratory shear, volume change and swelling pressure tests on unsaturated soil. The effective stress principle is shown to relate changes in shear strength and surface elevation of natural profiles of unsaturated clay. These developments have important applications to the design of earth embankments and shallow foundations on expansive clay.
99 citations
TL;DR: In this paper, various combinations of shapes of critical failure surface and arch shapes were studied to estimate the coefficient of active earth pressure on the rigid retaining wall in cohesionless soil, and a critical review has been made based on the comparison of results obtained from the present analyses with experimental observations.
Abstract: It has been established by the researchers that owing to the arching effect, the active earth pressure distribution on a horizontally translating rigid wall is not triangular but nonlinear. This is attributed to the arching behavior exhibited by soil. Also, the shape of the failure surface plays a critical role in determining the magnitude of lateral stresses and the height at which the resultant active earth force is centered from the base of the wall. In the present study, various combinations of shapes of critical failure surface and arch shapes were studied to estimate the coefficient of active earth pressure on the rigid retaining wall in cohesionless soil. The results were compared with field results and those predicted by other theories. A critical review has been made based on the comparison of results obtained from the present analyses with experimental observations. Design charts for modified active earth pressure coefficient and height of application of lateral force have also been suggested.
99 citations
TL;DR: In this paper, the authors focused on the response of laterally loaded pile foundations in sand under scour considering the stress history of the remaining sand, and the relative density and coefficient of lateral earth pressure of the sand were evaluated when it changed from a normally consolidated (NC) soil to an overconsolidated (OC) soil due to scour.
99 citations
TL;DR: In this paper, the authors present Roches Reference LMR-ARTICLE-1996-001 Record created on 2006-11-09, modified on 2016-08-08.
Abstract: Note: Roches Reference LMR-ARTICLE-1996-001 Record created on 2006-11-09, modified on 2016-08-08
97 citations
TL;DR: In this paper, the authors derived an analytical expression for the total active force on the retaining wall for c-phi soil backfill considering both the horizontal and vertical seismic coefficients, and compared these results with those obtained from earlier analytical expressions for the active force under seismic conditions, and found a similar trend of variation.
Abstract: This technical note describes the derivation of an analytical expression for the total active force on the retaining wall for c-phi soil backfill considering both the horizontal and vertical seismic coefficients. The results based on this expression are compared with those obtained from earlier analytical expressions for the active force for c-phi soil backfill under seismic conditions, and found to have a similar trend of variation. The parametric study shows that the inclination of the critical failure plane with the horizontal plane decreases with the increase in values of seismic coefficients; the decrease being more for their higher values. The total active force increases with the increase in value of horizontal seismic coefficient; while it decreases with the increase in value of vertical seismic coefficient except for a very high value of horizontal seismic coefficient. Design charts are presented for various combinations of horizontal and vertical seismic coefficients (kh and kv), and values of cohesion and angle of shearing resistance for estimating the total active force on the retaining wall for c-phi soil backfill for practical applications.
93 citations