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Application of Light-retaining Wall Under the Conditions of Low Bearing Foundation

Author: LingLing
Tutor: LiangBo
School: Chongqing Jiaotong University
Course: Structural Engineering
Keywords: Lightweight retaining wall Low bearing capacity of the foundation Analytical calculation Force characteristics Finite Element
CLC: TU476.4
Type: Master's thesis
Year: 2010
Downloads: 76
Quote: 0
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Abstract


For a long time , China's roadbed engineering widely adopted gravity retaining wall of stone and balance weight with the requirements of economic development and energy conservation , environmental protection , light , mechanized , capable of assembling prefabricated , energy-saving and environmental protection retaining wall the direction of one of the development should be retaining structures , light retaining structures has a light , low bearing capacity of foundation requirements , full use of the filler weight or strata stability and economical main features is sure to be more widely development. In order to further expand the range of applications of the light retaining structures , this article focuses on the force characteristics of the light retaining walls under conditions of low bearing capacity of the foundation , and also to provide a reference for future engineering . The main work done in this paper are as follows : ( 1 ) summarizes the lightweight retaining wall earth pressure calculation model and mechanical analysis model , comparative analysis on the the light retaining wall force characteristics by analytical calculation method . ( 2 ) by using ANSYS finite element analysis , analysis of the displacement of the a light retaining wall of earth pressure and basal stress distribution characteristics , and were compared with the analytical calculation result , explore lightweight retaining wall unique superiority . ③ different engineering conditions different light design of retaining structures , and some useful construction proposals for the future construction of similar projects . In this paper, a combination of analytical calculation and numerical calculation method , using the contrast drawn to light than those of gravity retaining wall retaining walls in earth pressure , foundation stresses and stability have an advantage , but also highlights the low bearing capacity of the foundation conditions the light retaining structures superiority under .

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CLC: > Industrial Technology > Building Science > Soil mechanics,foundation engineering > Foundation > The basis of the special form > Retaining wall
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