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深埋与浅埋软岩洞室的开挖变形

DOI: 10.6052/1000-0879-12-402

Keywords: 深部工程,软岩巷道,高地应力

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Abstract:

由于地质赋存环境的不同,深埋与浅埋洞室在开挖后将产生不同的变形规律.本文基于有限差分计算软件FLAC3D,数值模拟了深埋与浅埋软岩洞室随应力边界条件、岩石力学性能、洞室断面形状等因素变化的变形特点.计算结果将对洞室的选型与开挖支护等提供参考.

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