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三峡库区某短加筋挡土墙数值模拟分析
作者:胡荣 徐超 朱洪 罗玉珊 
单位: 
关键词:边坡防护 短加筋土挡墙 数值分析 实例研究 
分类号:
出版年,卷(期):页码:2012,40(5):7-10
摘要:

:在特定工况下,采用短加筋挡墙是不得已的选择。本文采用Plaxis 数值模拟软件,对三峡库区某短加筋挡
墙受力与变形特征进行了数值模拟和参数分析。研究结果表明:短加筋挡土墙体与被挡土体之间存在明显的位移突
变现象;短加筋挡墙水平位移在挡墙中部偏下的位置最大,呈“腰鼓状”鼓出;筋材与挡墙中打设的锚杆连接后,
能明显改变筋材的受力和变形情况,加筋效果更接近于正常设计加筋土挡墙。

In special situations,the shored mechanically stabilized walls are conscripted choose. The stress distribution and
deformation features of a shored mechanical stabilized wall in the Three Gorges Reservoir Area are numerical modeled and
parameter analyzed using Plaxis software. The results show that there is a displacement sudden change between shored
mechanically stabilized fill and the retained soils;the largest horizontal displacement locates in a little more lower than the
middle of the shored mechanically stabilized wall height,the shape of the displacement in the vertical direction seems as a
drum;when some of the goegrid joining with anchor rod,the tension and deformation of the geogrid are different from that
without anchor rod,and the reinforcement effect is closer to one designed normally.

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