基于隧道掘进机掘进过程的岩体状态感知方法
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张娜,李建斌,荆留杰,杨晨,陈帅
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Prediction method of rockmass parameters based on tunnelling process of tunnel boring machine
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Na ZHANG,Jian-bin LI,Liu-jie JING,Chen YANG,Shuai CHEN
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表 3 TBM掘进石灰岩地层岩机参数表 |
Tab.3 Parameters of TBM and rockmass in limestone strata |
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里程 | P/mm | Fn/ kN | Ta/ (kN·m) | UCSa/ MPa | Jva/ (条·m−3) | 实际围岩 等级 | 70 961 | 8.96 | 293 | 2 759.1 | 53 | 11 | III | 70 716 | 10.1 | 303 | 3 075.9 | 95 | 9 | III | 69 085 | 9.4 | 278 | 2 544.1 | 56 | 7.8 | III | 68 717 | 11 | 210 | 2 946.5 | 58 | 12 | IV | 68 388 | 13 | 152 | 1 920.6 | 43 | 19 | IV | 66 154 | 13.2 | 222 | 2 873.5 | 76 | 5.4 | V | 63 124 | 8 | 256 | 2 781.6 | 66 | 5 | IIIa | 60 171 | 12 | 259 | 2 853.0 | 42 | 18 | IIIb |
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