施工技术 2015年10月上 68 CONSTRUCTION TECHNOLOGY 第44卷第19期 D0I:10.7672/8js2015190068 坑边不均衡堆载对基坑围护结构及周边环境影响分析 程群，刘芳玲1，王强2 (1.中建四局第六建筑工程有限公司，安徽合肥230011；2.安徽理工大学土木建筑学院，安徽淮南232001) [摘要]为了深人研究基坑底板施工过程中坑边不均衡堆载对基坑围护结构的内力和位移及周边环境的影响，运 用岩土有限元软件MIDAS/GTS模拟了不均衡堆载下深基坑开挖过程，从而得到了不均衡堆载条件下基坑围护结 构内力、变形及地表沉降的分布规律.计算和分析结果表明：坑边不均衡堆载对基坑围护结构的内力和位移及地 表沉降产生了较大影响，尤其是围护结构水平位移及地表沉降，这使得基坑的稳定性处于不利的状态. [关键词]地下工程：基坑：不均衡堆载：围护结构；内力；位移 [中图分类号]TU43 [文献标识码]A [文章编号]1002-8498(2015)19-0068-06 Influence Analysis of Building Envelope and Surrounding Environment Under the Excavation Unbalanced Heaped Loading Cheng Qun' Liu Fangling' Wang Qiang㎡ (1.China Construction 4th Engineering Bureau 6th Co.Ltd.Hefei Anhui 230011 China:2.School of Civil Engineering and Architecture Anhui University of Science and Technology Huainan Anhui 232001 China) Abstract:In order to research the influence of internal force of retaining structures the deformation and the surrounding environment under the excavation side loading during construction of foundation excavation bottom MIDAS/GTS was used to simulate the unbalanced heaped load under deep excavation process which obtained internal force of retaining structure deformation and subsidence.The results show that building envelop and surrounding environment under the excavation side loading has a larger influence especially the horizontal displacement of retaining structure and the settlement of ground which makes the foundation excavation in unfavorable state. Key words:underground;foundation e...
坑边不均衡堆载对基坑围护结构及周边环境影响分析.pdf
