Influence of groundwater drawdown on excavation responses – A case history in Bukit Timah granitic residual soils

• Main Authors: Zhang, Wengang, Wang, Wei, Zhou, Dong, Zhang, Runhong, Goh, Anthony Teck Chee, Hou, Zhongjie
• Other Authors: School of Civil and Environmental Engineering
• Format: Article
• Language: English
• Published: 2018
• Subjects: Bukit Timah Granitic (BTG) Residual Soil; DRNTU::Engineering::Civil engineering; Braced Excavation
• Online Access: https://hdl.handle.net/10356/89053; http://hdl.handle.net/10220/46037
• Institution: Nanyang Technological University

Performances of a braced cut-and-cover excavation system for mass rapid transit (MRT) stations of the Downtown Line Stage 2 in Singapore are presented. The excavation was carried out in the Bukit Timah granitic (BTG) residual soils and characterized by significant groundwater drawdown, due to dewate...