并采用现场试验资料与岩体质量分级指标的相互关系进行系统综合分析，提出不同级别岩体的力学参数。
Rock mass mechanical parameters corresponding to individual rock mass quality at different levels are determined by means of correlation analysis and statistical analysis.
工程岩体质量的分级是一个亟待解决的问题。
The grading of the quality of engineering rock body is a problem eagerly to be solved.
然后，对其岩体质量进行了定量分级。
Then the quantitative grades are given to the quality of rock mass.
然后，对其岩体质量进行了定量分级。
Then the quantitative grades are given to the quality of rock mass.
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