深基坑开挖对临近建筑物影响的数值分析  

Numerical Analysis of the Influence of Deep Foundation Pit Excavation on Adjacent Buildings

作　　者：王呈呈 WANG Chengcheng(Jinagsu Branch,CCCC Second Highway Consultants Co.,Ltd.,Nanjing,Jiangsu 210012,China)

机构地区：[1]中交第二公路勘察设计研究院有限公司江苏分公司,江苏南京210012

出　　处：《黑龙江交通科技》2024年第9期159-164,共6页Communications Science and Technology Heilongjiang

摘　　要：以南京江北大道下穿定山大街节点改造工程为背景,对基坑施工工况进行数值模拟,分析基坑施工对临近建(构)筑物的变形影响。计算得出,基坑开挖引起临近建(构)筑物最大水平位移1.63 mm,最大倾斜率0.179‰,满足规范要求,同时对基坑施工过程中存在的风险及相应应急预案进行了分析。Based on the reconstruction project of Jiangbei Avenue crossing Dingshan Street in Nanjing,numerical simulation is used to simulate the construction conditions of foundation pit,and the deformation influence of foundation pit construction on adjacent buildings is analyzed.It is calculated that the maximum horizontal displacement of adjacent buildings caused by foundation pit excavation is 1.63 mm,and the maximum inclination rate is 0.179‰.At the same time,the risks existing in the process of foundation pit construction and the corresponding emergency plans are analyzed.

关 键 词：深基坑 数值模拟 周边建筑物 沉降 

分 类 号：TU473[建筑科学—结构工程]