FINITE ELEMENT COMPUTATIONS FOR ACTIVE AND PASSIVE EARTH PRESSURE PROBLEMS OF RETAINING WALL
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概要
- 論文の詳細を見る
Finite element computations for earth pressure problems of retaining wall are performed, considering the wall friction and the mode of wall deflection together with the deformation and strength characteristics of soil. A method to describe the frictional behavior between soil and wall is firstly proposed using an elastoplastic joint element, and its validities are confirmed by analyzing the slip behavior between two solid elements. Active and passive earth pressure problems are than analyzed by using a constitutive model for soil obtained on the basis of the extended concept of "Spatially Mobilized Plane" and the elastoplastic joint element proposed here. The computed variations of earth pressure with wall displacement in active and passive states explain well the influence of the wall friction and the wall deflection. The computed distributions of earth pressure where the modes of wall deflection are different agree with the tendencies known empirically. Furthermore, the failure zone and the zone of lower factors of safety derived from the present analysis correspond to the slip plane and the plastic wedge in the theories of plastic equilibrium.
- 社団法人地盤工学会の論文
- 1985-09-15
著者
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中井 照夫
Nagoya Institute Of Technology
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中井 照夫
Department Of Systems Management And Engineering Nagoya Institute Of Technology
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中井 照夫
Department Of Civil Engineering Nagoya Institute Of Technology
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