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首页> 外文会议>2013 Third International Conference on Intelligent System Design and Engineering Applications. >Study on the Catastrophe Model of the Surrounding Rock and Simulating the Constructing Process by DEM in Gonghe Tunnel
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Study on the Catastrophe Model of the Surrounding Rock and Simulating the Constructing Process by DEM in Gonghe Tunnel

机译：共和隧道隧道围岩突变模型研究及DEM模拟施工过程

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摘要

Based on the measuring data of surrounding rock deformation, the cusp catastrophe model of surrounding rock was established with catastrophe theory in Gong he tunnel. And the instability criterion of the surrounding rock was derived. Then the constructing process of the instable segment is simulated by DEM in Gong he tunnel. The possible broken mode of the surrounding rock in tunnel are analyzed. The research achievements provide important support for predicting the instable surrounding rock of tunnel with complex geological condition.
机译：根据围岩变形的实测数据，利用突变理论建立了共和隧道的围岩尖顶突变模型。推导了围岩失稳判据。然后利用DEM模拟了拱河隧道中不稳定段的施工过程。分析了隧道围岩的可能破坏模式。研究成果为复杂地质条件下隧道的不稳定围岩的预测提供了重要的支持。

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