Rock Quality Designation Index 岩石质量指标
rock mass quality index 岩体质量指数
quality index of rock mass 岩体质量指数
The fragment-size distribution of rock blasting is an important index to evaluate the blasting quality quantitatively.
岩体的爆破块度分布是定量评价爆破质量的重要指标之一。
The research result shows that the rock block index has remarkable significance in engineering and advantages in rock mass quality assessment.
对比结果表明：岩体块度指数在岩石质量评价中能更准确地反映其优越性，具有更为显著的工程意义。
The formulas for obtaining strength and strain parameters of rock mass are described using modified index RMR of rock mass quality.
用修定的RMR岩体量化指数从给定公式中确定岩体强度和应变参数。
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