Research on the Impact of Construction of Box Culvert Underpass the Existing Highway on Environment
ZHANG Jian1, GAO X iu-mei1,HUANG Sheng-gen2
1. The Third Railway Survey and Design Institute Group Corporation, Tianjin 300251, China; 2. China University of Geosciences, Wuhan, Hubei 430074, China
Abstract：Research purposes: How to control the disturbance impact of construction of box culvert underpass the highway on the surrounding environment is a key point for jacking construction ofbox culvert rapidly and safely. In the course of jacking construction of one box culvertwith super large section and many technical difficulties, in order to reduce disturbance to the normal traffic of the existing highway, the underpass technology ofpipe –roof was used. This paper analyzes the tested data in site and researches the law ofdisturbance impactof jacking construction ofbox culvert on the surrounding environment.
Research conclusions:(1) At the place of the same elevation with the box culvert axis, the soils in front of working face generate the biggest horizontal movements. (2) By monitoring the contact stresses between soil and the culvert wal,l the effort of grouting and the total jacking forces can be obtained. (3) The box culvertcan be jacked in along the design path by adjusting jacking forces. (4) The pore pressure is a sensitive and exactindex for monitoring the vibration of soil in the process of box culvert jacking.
张 健，高秀梅，黄生根. 既有线下穿箱涵工程对周围环境影响的研究[J]. 铁道工程学报, 2009, 26(10): 41-46.
ZHANG Jian, GAO X iu-mei,HUANG Sheng-gen. Research on the Impact of Construction of Box Culvert Underpass the Existing Highway on Environment. 铁道工程学报, 2009, 26(10): 41-46.
2009, Vol. 26 
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