长江科学院院报2017，Vol.34Issue(3)：96-99,105,5.DOI:10.11988/ckyyb.20150853
排桩与土钉墙联合支护基坑变形数值模拟
Numerical Simulation on Deformation of Excavation Pit Supportedby Row Piles and Soil Nailing
俞海波 1王红雨 2王卫东 1刘亚琴2
作者信息
- 1. 宁夏大学 土木与水利工程学院,银川 750021
- 2. 中国石油化工集团公司 中原建设工程有限公司,河南 濮阳 457000
- 折叠
摘要
Abstract
The deformation of deep excavation pit supported by row piles and soil nailing at Tianxi International Center of Yinchuan was simulated by using PLAXIS software.The calculation model was established by using a 15-node triangular element to simulate the soil that was divided into seven layers, and the concrete surface layer was simulated with grouting element, the row of piles was simulated with plate element and the soil nail was simulated by using the combination of point anchor and geo-grid.Calculation results showed that large deformation was found at the junction of two supporting forms, which indicated that the rigidity of the support structure had remarkable influence on the deformation of the excavation pit.The deformation of pit slope increased gradually with the increasing of excavation depth, and the final deformation at top of slope was greater than that of the bottom.Through comparison between simulation result and monitored result, some common laws of foundation pit deformation were concluded.关键词
深基坑联合支护/排桩与土钉墙/变形量/数值模拟/有限元Key words
joint support of deep excavation pit/row of piles and soil nailing wall/deformation/numerical simulation/finite element分类
建筑与水利引用本文复制引用
俞海波,王红雨,王卫东,刘亚琴..排桩与土钉墙联合支护基坑变形数值模拟[J].长江科学院院报,2017,34(3):96-99,105,5.
