Investigation into performance of deep excavation in sand covered karst: A case report

• Published in: Soils and foundations Vol. 58; no. 4; pp. 1042 - 1058
• Main Authors: Elbaz, Khalid, Shen, Shui-Long, Tan, Yong, Cheng, Wen-Chieh
• Format: Journal Article
• Language: English
• Published: Elsevier B.V 01.08.2018
• Subjects: Deep excavation; Ground surface settlement; Grouting; Sand covered karst; Socket diaphragm wall; Sand covered karst; Socket diaphragm wall; Deep excavation; Grouting; Ground surface settlement

Performing deep excavations in karst regions is likely lead to geo-hazards, e.g. sinkholes, water ingress, and ground surface settlement. This case report presents the performance of a 16-m deep excavation in sand covered karst in Metro Line no. 9, Guangzhou, China. The performances during deep exca...