Jiang H,Zhu J,Zhang X,Zhang J,Li H,Meng L.Wear mechanism and life prediction of the ripper in a 9‐m‐diameter shield machine tunneling project of the Beijing new airport line in a sand‐pebble stratum.Deep Undergr Sc...
National Natural Science Foundation of China,Grant/Award Numbers:51608521,52178375;Fundamental Research Funds for the Central Universities,Grant/Award Number:2022YQLJ01;Major Achievements Transformation and Industrialization Projects of Central Universities in Beijing,Grant/Award Number:ZDZH20141141301。
Tool wear is a noteworthy problem in the process of shield tunneling,and the degree of wear varies with stratum.The sand-pebble strata in Beijing are typically mechanically unstable.However,many subways are buried who...