Journal ArticleDOI
Zero Extension Line Theory of Earth Pressure
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TLDR
In this article, a theory of earth pressure for sand is developed based on a simplified zero extension line field and the results compare favorably with those predicted by Sokolovski, Coulomb and Rankine theories.Abstract:
A theory of earth pressure for sand is developed. The theory is based on a simplified zero extension line field. Equations and charts for computing earth pressure coefficients with various values of wall roughnesses are presented. The results compare favorably with Sokolovski's coefficients of earth pressure. It is also shown that for active case in dense sand the direction of major compressive stress near the wall is almost vertical even for a very rough wall. A useful coefficient of roughness for the wall is defined. The results are compared with those predicted by Sokolovski, Coulomb, and Rankine theories.read more
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Journal ArticleDOI
An alternative to the Mononobe–Okabe equations for seismic earth pressures
TL;DR: In this paper, a closed-form stress plasticity solution is presented for gravitational and earthquake-induced earth pressures on retaining walls, which is essentially an approximate yield-line approach, based on the theory of discontinuous stress fields, and takes into account the following parameters: (1) weight and friction angle of the soil material, wall inclination, backfill inclination, wall roughness, surcharge at soil surface, and (6) horizontal and vertical seismic acceleration.
Journal ArticleDOI
Active static and seismic earth pressure for c–φ soils
TL;DR: In this paper, the authors extended the Rankine classic earth pressure solution to predict the seismic active earth pressure behind rigid walls supporting c-φ backfill considering both wall inclination and backfill slope.
Journal ArticleDOI
Active earth pressure in cohesive soils with an inclined ground surface
TL;DR: In this article, an analytical solution is developed to determine the active lateral earth pressure distribution on a retaining structure when it consists of a cohesive backfill (internal friction angle ϕ > 0, cohe...
Journal ArticleDOI
A Study on the Static and Seismic Earth Pressure Problems in Anisotropic Granular Media
TL;DR: In this paper, the effect of friction angle anisotropy on the limit pressure was considered and an iterative procedure was made to incorporate the effects of soil anisotropic.
Dissertation
Modeling, estimation, and control of robot-soil interactions
TL;DR: Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2001 as discussed by the authors, Boston, Massachusetts, USA. And the paper was published in 2001.