Deformation Monitoring Analysis of Surrounding Rock Convergence on Baihe Tunnel
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摘要: 隧道在偏压作用下,严重者会产生开裂、局部偏压或整体偏移。从监控量测出发,结合谷(城)竹(溪)高速公路白鹤隧道的实际情况,对偏压段典型断面zk91+335的变形特点、变形演变过程进行了分析,并利用回归分析方法,对该断面进行了稳定性判断,有助于隧道后续施工。Abstract: During the unsymmetrical tunnel loading,it can produce cracking,partial migration or migration.This article focused monitoring measurements,combined from gucheng to zhuxi highway of the actual situation of the baihe tunnel,analyzed the typical section zk91+335 and its the deformation characteristics, evolution process,and the regression analysis method,the cross section of a judgment of stability,it contributed to subsequent construction of tunnel.
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Key words:
- bias /
- convergence deformation /
- Monitoring and analysis
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