The synchronous construction of the secondary lining during the boring of large-diameter shield faces challenges such as the design of the lining jumbo,the high requirements on the performance for the lining jumbo,the...
This work was supported by funding from China Postdoctoral Science Foundation(No:2020M670863);Jilin Scientific and Technological Development Program(No:20230203089SF).
The biomechanical effects of acetabular revision with jumbo cups are unclear.This study aimed to compare the biomechanical effects of bionic trabecular metal vs.titanium jumbo cups for the revision of acetabular bone ...
financially supported by the Fundamental Research Funds for the Central Universities(No.FRF-AT-19-005);the National Natural Science Foundation of China(No.51934001).
To solve the uneven burden of same-type holes reducing the blasting efficiency due to the limitation of drilling equipment,we need a double-face program-controlled planning method for hole position parameters used on ...
This paper describes the force acting the assembly of the jumbo rig for tunneling.The finite element analysis is used to calculate this machine structure on its different working states.