NDLI: Monitoring analysis of internal forces and deformation of the retaining structure for deep subway station foundation pit in silty sand

Content Provider	IEEE Xplore Digital Library
Author	Zhang Zhong-miao Fang Kai Wu Zu-fu
Copyright Year	2010
Description	Author affiliation: Institute of Geotechnical Engineering, Key Laboratory of Soft Soils and Geoenvironmental Engineering, Zhejiang University, Hangzhou, China (Zhang Zhong-miao; Fang Kai) \|\| Hangzhou Branch of Engineering Supervising and Advisory Company, The 4th Survey and Design Institution of the Railway, Ministry of China, China (Wu Zu-fu)
Abstract	In this paper the horizontal displacements of diaphragm wall, axial forces of steel struts and surface settlements for different stages in different zones are compared by analyzing the monitoring data of a deep subway station foundation pit support structure in Hangzhou. The results shows that the rate of deformation of the diaphragm wall increases during the excavation near the bottom of the foundation pit and the prompt pouring of the concrete of the bottom plate can prevent the kicking failure. The installation and the removal of a strut can cause the abrupt changes of the axial forces of its adjacent struts. The corner brace is easier to stable than the symmetrical one due to mutual restriction of the diaphragm wall. The water has a significant influence on the deformation of the foundation pit. The rate of the settlement near the foundation pit increases obviously during the rain. The foundation pit has obvious spatial effect and precise three-dimensional analysis is necessary for the improvement of the design accuracy.
Starting Page	4524
Ending Page	4527
File Size	394896
Page Count	4
File Format	PDF
ISBN	9781424477371
e-ISBN	9781424477395
DOI	10.1109/MACE.2010.5536780
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-06-26
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Railway engineering Data analysis Deformation Laboratories Data engineering Foundation pit Steel Silty sand Strut axial force Design engineering Soil Monitoring analysis Rail transportation Concrete Monitoring
Content Type	Text
Resource Type	Article

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