Analysis of Attitude Control and Cutting Tool Configuration of Shield Tunneling in Fluctuated Rock

doi:10.3973/j.issn.1672-741X.2017.S1.037

Tunnel Construction ›› 2017, Vol. 37 ›› Issue (S1): 219-223.DOI: 10.3973/j.issn.1672-741X.2017.S1.037

Analysis of Attitude Control and Cutting Tool Configuration of Shield Tunneling in Fluctuated Rock

HUO Jianxun¹, WANG Mingnian², CHAO Feng²

(1. China Railway Economic and Planning Research Institute, Beijing 100038, China; 2. Key Laboratory of Transportation Tunnel Engineering， Ministry of Education, Southwest Jiaotong University, Chengdu 610031, Sichuan, China)

Received:2017-02-07 Revised:2017-04-11 Online:2017-05-20 Published:2017-05-27

Abstract

Abstract:

In order to solve the problem of control difficulty of shield attitude and inhomogeneous consumption of cutting tools, the thrusting force ratio of hydraulic cylinder of shield tunneling in hardsoft fluctuated rocks of straight section and curved section of west extension line of Changsha Metro Line No. 2 is analyzed. The analytical results have been applied to actual practice and good effects have been achieved.

Key words: fluctuated rock, shield tunneling, attitude control, cutting tool consumption

CLC Number:

U 455.3

HUO Jianxun, WANG Mingnian, CHAO Feng. Analysis of Attitude Control and Cutting Tool Configuration of Shield Tunneling in Fluctuated Rock[J]. Tunnel Construction, 2017, 37(S1): 219-223.

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Analysis of Attitude Control and Cutting Tool Configuration of Shield Tunneling in Fluctuated Rock

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