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量化GSI系统及其在估计岩体力学参数中的应用

, PP. 154-158

Keywords: 量化GSI系统,HoekBrown准则,岩体力学参数,体积节理数(Jv),结构面表面等级(SCR)

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Abstract:

岩体力学参数取值是否合理对岩土工程设计与施工以及灾害防治有着重要的影响,如何准确地获取岩体力学参数是当前岩土工程中的重点与难点。本文概述了基于量化的GSI系统和HoekBrown经验破坏准则估算岩体力学参数的方法,并将该方法用来估算鸡口山隧道ZK83+230~ZK83+260段的围岩力学参数,结果表明采用该方法估算得到的围岩力学参数与试验所得的结果基本一致,从而验证了该方法的可靠性。

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