Chapter
Apr 26, 2012
Three Dimensional Performance Observed in an Irregular Deep Excavation in Shanghai Soft Clay
Authors: Hua Yuan and Qinghe Zhang [email protected]Author Affiliations
Publication: Deep and Underground Excavations
Abstract
Pudong first excavation region of Shanghai South Xizang Road River-crossing Tunnel, which is the transportation hub of 2010 Shanghai World Expo, is irregular shaped and located in soft clay. Diaphragm wall deflection, ground surface settlement and strut axial force during excavation have been monitored. The results show that except general recognized factors, such as excavation depth and width, wall stiffness, strut spacing, and soil characteristics, the joint angel of two adjacent diaphragm walls also has a significant impact on diaphragm wall deflection and ground surface settlement of irregular shaped deep excavation; Three dimensional effect and corner effect in the researched irregular excavation can't be neglected.
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Published In
Deep and Underground Excavations
Pages: 107 - 113
Copyright
© 2010 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
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ASCE Technical Topics:
- Clays
- Construction engineering
- Construction methods
- Diaphragm walls
- Diaphragms (structural)
- Excavation
- Geomechanics
- Geotechnical engineering
- Retaining structures
- Soft soils
- Soil analysis
- Soil dynamics
- Soil mechanics
- Soil properties
- Soil settlement
- Soils (by type)
- Structural engineering
- Structural members
- Structural systems
- Walls
Authors
Affiliations
Hua Yuan
Department of Geotechnical Engineering, Tongji University, Shanghai, 200092, P.R. China and Key Laboratory of Geotechnical and Underground Engineering of Ministry of Education, Tongji University, Shanghai, 200092, P.R. China
Key Laboratory of Geotechnical and Underground Engineering of Ministry of Education, Tongji University, Shanghai, 200092, P.R. China and Department of Geotechnical Engineering, Tongji University, Shanghai, 200092, P.R. China.E-mail: [email protected]
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