Construction Control Technology of Large Cross-section Rectangular Pipe Jacking Underpassing Urban Bustling Road Sections
In order to reduce the impact of large cross-section rectangular pipe jacking tunnel construction on the road surface and adjacent structures in the busy section of the city,relying on the rectangular pipe jacking project at the attached entrance and exit of Wuhan Metro Line 7 station,the construction settlement is controlled within 2 mm through reasonable equipment selection,construction process control and targe-ted reinforcement measures,combined with information monitoring means.The pipe jacking construction of the auxiliary passage is completed safely and efficiently,and the construction control technology of large cross-section rectangular pipe jacking under the busy section of the city is summarized,which can provide reference for similar projects in the future.
Large cross-section rectangular pipe jackingDeformation controlConstruction technique
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