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Construction process simulation of certain reinforced earth retaining wall with inclined pads and analysis on potential failure surface
Pages: 1-7,24
Year: Issue:  10
Journal: Geotechnical Investigation & Surveying

Keyword:  加筋土挡墙 施工过程仿真 现场监测 潜在破裂面 FLAC3D;
Abstract: 在现场监测的基础上,利用FLAC3D对湖南湘潭至衡阳西线高速公路K124+300路段的倾斜面墙加筋土挡墙进行了施工过程仿真,研究了施工过程中墙内竖向土压力、侧向土压力、侧向变形以及筋带应变的发展过程和挡墙潜在破裂面形态。结果表明,对加筋土挡墙进行施工过程仿真分析可以再现施工过程中挡墙内部的应力应变发展过程;加筋土挡墙的变形主要产生于挡墙的施工期;倾斜面墙加筋挡墙的潜在破裂面不宜采用0.3H法;本文提出的双倾角破裂面考虑了面板倾角的影响,是一种简洁又实用的分析方法。
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