【Daily Topic】【Engineering Version 20160525】

2016-05-25View Original

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Participation reward: 2 Wealth. Reward for correct answer: 9 Wealth. Multiple-choice question: There are many factors that affect the stability of the surrounding rock, but the decisive factor is the characteristics of the rock mass itself, which mainly include ( ). 　　A. Rock mass volume B. Rock strength C. Rock mass integrity D. Degree of rock weathering E. Rock mass structural characteristics

Reply #22016-05-25

A. Rock mass volume B. Rock strength C. Rock mass integrity D. Degree of rock weathering E. Rock mass structural characteristics

Reply #32016-05-25

B. Rock strength C. Rock mass integrity D. Degree of rock weathering E. Rock mass structural characteristics

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【Daily Topic】【Engineering Version 20160525】

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