CONSTRUCTION TECHNOLOGY RESEARCH ON RECTIFYING DEVIATION AND DOWN RESISTANCE REDUCTION OF MUD BALANCED PIPE- JACKING WITH LARGE- DIAMETER AND LONG- DISTANCE IN SOFT SOIL

Wu Quanke; Wu Tiansheng; Lin Chao

doi:10.13204/j.gyjz201204023

Volume 42 Issue 4

Dec. 2014

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Abstract

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2012 > 42(4): 107-112

Liu Jing, Xu Zhisheng. EXPERIMENTAL STUDY ON FIRE RESISTANCE OF PBK PANELS FOR LIGHT INTERIOR PARTITION WALL[J]. INDUSTRIAL CONSTRUCTION, 2004, 34(4): 33-35. doi: 10.13204/j.gyjz200404010

Citation:

Wu Quanke, Wu Tiansheng, Lin Chao. CONSTRUCTION TECHNOLOGY RESEARCH ON RECTIFYING DEVIATION AND DOWN RESISTANCE REDUCTION OF MUD BALANCED PIPE- JACKING WITH LARGE- DIAMETER AND LONG- DISTANCE IN SOFT SOIL[J]. INDUSTRIAL CONSTRUCTION, 2012, 42(4): 107-112. doi: 10.13204/j.gyjz201204023

Liu Jing, Xu Zhisheng. EXPERIMENTAL STUDY ON FIRE RESISTANCE OF PBK PANELS FOR LIGHT INTERIOR PARTITION WALL[J]. INDUSTRIAL CONSTRUCTION, 2004, 34(4): 33-35. doi: 10.13204/j.gyjz200404010

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CONSTRUCTION TECHNOLOGY RESEARCH ON RECTIFYING DEVIATION AND DOWN RESISTANCE REDUCTION OF MUD BALANCED PIPE- JACKING WITH LARGE- DIAMETER AND LONG- DISTANCE IN SOFT SOIL

doi: 10.13204/j.gyjz201204023

1.
1. College of Urban Construction,Zhongkai University of Agriculture and Engineering,Guangzhou 510225,China;
2.
2. Construction Co.of Jin-Zhong-Tian Group Co.Ltd,Guangzhou 510100,China

Received Date: 2011-12-22
Publish Date: 2012-04-20

Abstract

Abstract

Based on the Asian Games engineering pipe-jacking construction,key construction technologies were systematically analyzed and researched from mud balance pipe-jacking of reinforced concrete pipe with large-diameter and long-distance in soft soil,including high precision rectifying deviation,resistance reduction by efficient grouting, pipe-jacking construction,monitoring and measurement,etc. Using infrared tracking and positioning technology,with the help of deviation chart correction method,it was done the correction timely and efficiently,ensuring the direction of the route and elevation of high precision. Using the good performance of bentonite and new polymer,high expansion rate of the grouting material,it was modified grouting technology,thus changing the sliding friction into rolling friction. The frictional resistance and total jacking force were reduced by about 43%,the number of relay was reduced. These difficulties were solved by the construction technologies and control methods finally,obtaining excellent economic and social benefits.
- pipe-jacking,
- construction,
- rectify deviation,
- resistance reduction,
- key technology

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References(10)

References

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