Attitude Control Technology for Superlarge Crosssection  Rectangular Pipejacking Machine: Case Study on Tunneling Crossing  Underneath Zhongzhou Avenue in Zhengzhou

doi:10.3973/j.issn.1672-741X.2015.10.020

Tunnel Construction ›› 2015, Vol. 35 ›› Issue (10): 1097-1102.DOI: 10.3973/j.issn.1672-741X.2015.10.020

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Attitude Control Technology for Superlarge Crosssection  Rectangular Pipejacking Machine: Case Study on Tunneling Crossing  Underneath Zhongzhou Avenue in Zhengzhou

RONG Liang, YANG Hongjun

(China Railway Tunnel Stock Co., Ltd., Zhengzhou 450000, Henan, China)

Received:2015-07-07 Revised:2015-09-09 Online:2015-10-20 Published:2015-11-09

Abstract

Abstract:

The tunnel crossing underneath Zhongzhou Avenue in Zhenzhou is constructed by rectangular pipejacking machines. The tunnel has such features as superlarge crosssection, shallow cover and 4 smallspaced parallel tubes. In the paper, the technologies used to control the attitude of the pipejacking machine, including deviation rectification by articulation cylinders, muck releasing by twin screw conveyors, different control modes of the six cutterheads, deviation rectification by grouting, control of the pipejacking machine in the construction of the smallspaced tunnel tubes, are described in detail. In the end, good effect has been achieved. 

Key words: urban underground passage tunnel, small spacing, rectangular pipejacking machine with superlarge crosssection, attitude control, muck releasing by twin screw conveyors, control of six cutter heads, deviation rectification by articulation cylinder

CLC Number:

U 455

RONG Liang, YANG Hongjun. Attitude Control Technology for Superlarge Crosssection  Rectangular Pipejacking Machine: Case Study on Tunneling Crossing  Underneath Zhongzhou Avenue in Zhengzhou[J]. Tunnel Construction, 2015, 35(10): 1097-1102.

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Attitude Control Technology for Superlarge Crosssection  Rectangular Pipejacking Machine: Case Study on Tunneling Crossing  Underneath Zhongzhou Avenue in Zhengzhou

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