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The monitoring measurement and digital simulation analysis of Huiyaozi tunnel construction
Author(s): 
Pages: 64-68
Year: Issue:  1
Journal: Geotechnical Investigation & Surveying

Keyword:  Huiyaozi tunnelmonitoring measurementsimulation analysissurface subsidencecrown settlementrock convergence;
Abstract: Taking the monitoring measurement project in Huiyaozi tunnel segment of Jianxing highway for example,this paper introduces the contents of its monitoring measurement and the method for digital simulation analysis. The result show that the ground surface settlement,crown settlement and surrounding rock convergence coincide,and the surrounding rock had dramatic changes in half a month after the excavation of fracture surface and gradually turned stable in the following month. The fitting model established by the method of regression analysis can help to better predict the movement tendency of surrounding rock and provide data support for the safety of tunnel construction.
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