Investigation of Behaviours of Wall and Adjacent Ground Considering Shape of Geosynthetic Retaining Wall

IF 0.4 Q4 ENGINEERING, GEOLOGICAL Journal of the Korean Geosynthetic Society Pub Date : 2018-01-01 DOI:10.12814/jkgss.2018.17.1.095
Jonghyun Lee, 오동현, S. Kong, J. H. Sang, Yong-Joo Lee
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引用次数: 7

Abstract

Recently, GRS (Geosynthetic Retaining Segmental) wall has been widely used as a method to replace concrete retaining wall because of its excellent structural stability and economic efficiency. It has been variously applied for foundation, slope, road as well as retaining wall. The GRS wall system, however, has a weak point that is serious crack of wall due to stress concentration at curved part of it. In this study, therefore, behaviour of GRS wall according to shape of it, shich has convex and concave, are analysed and compared using Finite Element analysis as the fundamental study for design optimization. Results including lateral deflection, settlements of ground surface and wall obtained from 2D FE analysis are compared between straight and curved parts from 3D FE analysis.
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考虑土工合成挡土墙形状的墙体与相邻地基性能研究
近年来,土工合成挡土墙(GRS)以其优异的结构稳定性和经济效益被广泛应用于替代混凝土挡土墙。已广泛应用于地基、边坡、道路及挡土墙。但GRS墙体体系存在一个弱点,即墙体弯曲部分应力集中导致墙体裂缝严重。因此,在本研究中,采用有限元分析作为设计优化的基础研究,对具有凸形和凹形的GRS墙体的性能进行了分析和比较。将二维有限元分析结果与三维有限元分析结果进行了比较,包括直线和弯曲零件的横向挠度、地面和墙壁的沉降。
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