文章摘要
丁克伟,余有治.基于Midas深基坑开挖变形数值分析[J].安徽建筑大学学报,2016,24(1):1-5
基于Midas深基坑开挖变形数值分析
Midas Numerical Analysis of Deep Foundation Pit Excavation Deformation
  
DOI:10.11921/j.issn.2095-8382.20160101
中文关键词: 深基坑  位移  沉降  数值分析
英文关键词: deep foundation, displacement, settlement, numerical analysis
基金项目:安徽省科技攻关计划项目资助(501041133)
作者单位
丁克伟 安徽建筑大学土木工程学院合肥 230601 
余有治 安徽建筑大学土木工程学院合肥 230601 
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中文摘要:
      合肥新交通大厦与轨道1、2号线相邻,深基坑开挖需要考虑对邻近既有建筑物、重要道路和地下设施的保护,对开挖的稳定和变形控制要求非常严格。本文结合工程实例,通过Midas/GTS有限元分析软件,对合肥新交通大厦深基坑开挖做了数值分析,分析了深基坑沉降和位移。在开挖的过程中,随着开挖深度的增加,土体位移也越来越大。基坑开挖会造成基坑中部隆起以及基坑周边的沉降,需要充分重视深基坑开挖造成的影响。
英文摘要:
      The Hefei New Traffic Ddifice is adjacent to orbital 1、2.It is necessary to protect nearby existing buildings, roads and underground facilities during deep foundation excavation. The stability of the excavation and deformation control are very strict. This paper, combining with the engineering example, through the finite element analysis software Midas/GTS, has made an numerical analysis of the Hefei New Traffic Edifice and it also analyzes the deep foundation settlement and displacement In the process of excavation, with the increase of excavation depth, soil displacement is becoming greater and greater. The central uplift of the foundation pit and settlement of the surrounding of the foundation pit will be caused by deep foundation pit excavation, therefore the effects of deep foundation pit excavation should be attached with great attention.
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