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| 岩体 Q 指标1974年挪威学者巴顿〈N. Barton〉提出岩体质量指标 Q 分类法，由 RQD、节理组数〈Jn〉、节理面粗糙度〈Jk〉、节理蚀变程度〈Ja〉、 裂隙水影响因素〈Jw〉以及地应力影响因素〈SRF〉等6项指标组成Q值计算式,Q值愈大，表示岩体质量愈好 | |||
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