地铁区间浅埋暗挖隧道施工对建筑安全影响的数值分析Numerical Analysis of the Influence of Subway Interval Shallow Tunnel Constructions on Ground Buildings' Safety
张利健
摘要(Abstract):
为研究地铁区间浅埋暗挖隧道施工对地面建筑物的影响,结合A校实际工程建立的6层框架建筑-双线轨道的PIC模型,分析区间隧道开挖作业对地面建筑物的影响,结果表明:利用PIC法得到的建筑物沉降量规律符合工程实际情况;A校建筑物产生的倾斜变形不超过地基规范允许的最大变形;地表建筑物的沉降量随着与开挖隧道的距离的增大而增大,并且以隧道轴线成正态分布.
关键词(KeyWords): 浅埋暗挖;PIC;建筑物沉降量;支护
基金项目(Foundation):
作者(Author): 张利健
DOI: 10.16393/j.cnki.37-1436/z.2017.05.015
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