Hongsu Ma, CNNC Key Laboratory on Geological Disposal of High-level Radioactive Waste, Beijing Research Institute of Uranium Geology, Beijing, China

Ju Wang, CNNC Key Laboratory on Geological Disposal of High-level Radioactive Waste, Beijing Research Institute of Uranium Geology, Beijing, China

Ke Man, North China University of Technology, Beijing, China

Liang Chen, CNNC Key Laboratory on Geological Disposal of High-level Radioactive Waste, Beijing Research Institute of Uranium Geology, Beijing, China

Qiuming Gong, Key Laboratory of Urban Security and Disaster Engineering of Ministry of Education, Beijing University of Technology, Beijing, China

Xingguang Zhao, CNNC Key Laboratory on Geological Disposal of High-level Radioactive Waste, Beijing Research Institute of Uranium Geology, Beijing, China

Received 31 October 2019,

Revised 30 May 2020,

Accepted 9 September 2020,

Available online 2 November 2020.

Highlights

• Technical challenges for excavation of Underground Research Laboratory in granite by TBM are indentified and feasibility researches are conducted.

• Penetration rate and rock mass boreability for a granite URL are predicted by cutting test, prediction model and case comparison.

• Feasibility on TBM excavation for a special layout of the spiral ramp is discussed.

Total paper you read

https://www.sciencedirect.com/science/article/pii/S1674775520301323