A shield tunneling method for enlarging the diameter of existing tunnels: Experimental investigations

Jiao-Long Zhang a, Yi-Min Gao a, Xian Liu a, Zhong-An Zhang b, Yong Yuan a, Herbert A.Manga c

a Department of Geotechnical Engineering, College of Civil Engineering, Tongji University, Siping Road 1239, 200092 Shanghai, China
b Shenzhen Metro Group Co., Ltd., Fuzhong No. 1 Road 1016, 518026 Shenzhen, Guangdong, China
c Institute for Mechanics of Materials and Structures, TU Wien – Vienna University of Technology, Karlsplatz 13/202, 1040 Vienna, Austria

Received 15 March 2022, Revised 10 June 2022, Accepted 10 June 2022, Available online 16 July 2022, Version of Record 16 July 2022.

https://www.sciencedirect.com/science/article/abs/pii/S0886779822002450