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Issue:
Influence of piles of structure induced by crossing tunnels
Author(s):
LI Jin-jun1
,
WANG Wei-dong1
,
HUANG Mao-song2
,
FU Kun2
Pages:
166
-
170
Year:
2010
Issue:
S2
Journal:
Chinese Journal of Geotechnical Engineering
Keyword:
盾构隧道
;
上部结构
;
桩基础
;
两阶段分析方法
;
位移控制有限元
;
Abstract:
针对上海虹桥综合交通枢纽工程地铁2号线和10号线地铁盾构隧道穿越对西航站楼桩基础的影响问题,采用两阶段分析方法对盾构隧道穿越对建筑物桩基础的影响进行分析研究。分别采用简化分析方法和位移控制有限元方法,对单隧道工况和多隧道工况下盾构隧道穿越对PHC桩基础的影响进行分析。结合分析结果提出相关工程设计措施,采用位移控制有限元方法进行多隧道工况下考虑工程措施的影响分析,并在实际工程中应用。盾构隧道穿越过程的相关监测结果表明,盾构穿越对西航站楼基础结构的影响都在安全可控的范围内。
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