Box culvert jacking method has become a common construction method in the construction of Underpass existing highway engineering. Because in the construction process, it will not affect the normal operation of the existing line, but also prevent the cracking and displacement of the pavement. Most of the jacking monitoring of box culverts at home and abroad is the horizontal displacement and settlement monitoring of box culverts and the settlement deformation monitoring of expressway. There is almost no research on the strain monitoring of box culverts. This paper deeply studies the strain of the box during the jacking process of the box culvert, and analyzes its structural stability. The research results have substantive significance for the construction technology and strain monitoring of Box Culvert Jacking in the future.
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