Full-scale linear cutting test in Chongqing Sandstone and the comparison with field TBM excavation performance

被引：39
|
作者：
Pan, Yucong [1 ,3 ,4 ]
Liu, Quansheng [1 ]
Kong, Xiaoxuan [1 ]
Liu, Jianping [2 ,3 ,4 ]
Peng, Xingxin [3 ,4 ]
Liu, Qi [1 ]
机构：
[1] Wuhan Univ, Sch Civil Engn, Key Lab Safety Geotech & Struct Engn Hubei Prov, Wuhan 430072, Hubei, Peoples R China
[2] Sichuan Agr Univ, Coll Water Conservancy & Hydropower Engn, Yaan 625014, Sichuan, Peoples R China
[3] Chinese Acad Sci, Inst Rock & Soil Mech, State Key Lab Geomech & Geotech Engn, Wuhan 430071, Hubei, Peoples R China
[4] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
来源：
ACTA GEOTECHNICA | 2019年 / 14卷 / 04期
基金：
中国博士后科学基金; 中国国家自然科学基金;
关键词：
Cutterhead design; Disc cutter; Excavation performance; Linear cutting machine (LCM); Mechanical rock breakage; Tunnel boring machine (TBM); ROCK MASS BOREABILITY; FRAGMENTATION; INDENTATION; TUNNEL; EFFICIENCY; GRANITE; CUTTERS; STRESS; FORCE;
D O I：
10.1007/s11440-018-0702-1
中图分类号：
P5 [地质学];
学科分类号：
0709 ; 081803 ;
摘要：
In this study, determination of some machine parameters and performance prediction for tunnel boring machine (TBM) are conducted based on laboratory rock cutting test. Firstly, laboratory full-scale linear cutting test is carried out using 432-mm CCS (constant cross section) disc cutter in Chongqing Sandstone. Then, the input parameters for TBM cutterhead design are extracted; some TBM specifications are determined and then compared to the manufactured values. Finally, laboratory full-scale linear cutting test results are compared with the field TBM excavation performance data collected in Chongqing Yangtze River Tunnel. Results show that laboratory full-scale linear cutting test results, combined with some engineering considerations, can be used for the preliminary and rough design of TBM machine capacity. Meanwhile, combined with some modification factors, it can also well predict the field TBM excavation performance.
引用
收藏
页码：1249 / 1268
页数：20
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