7.7 Engineering geological assessment on surrounding rock stability of high water head pressure tunnel

7.7 Engineering geological assessment on surrounding rock stability of high water head pressure tunnel
水电水利工程地下工程地质勘察

7.7 Engineering geological assessment on surrounding rock stability of high water head pressure tunnel图片（共2张） :

7.7.1 In the assessment of surrounding rocks stability of steel linedtunnel, unit elastic resistance coefficient shall be adopted to assess thecapacity of resisting the radial direction deformation, in case thesurrounding rocks cannot totally bear the inn （共 2075 字） [阅读本文] >>

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7.7 Engineering geological assessment on surrounding rock stability of high water head pressure tunnel 水电水利工程地下工程地质勘察

7.7 Engineering geological assessment on surrounding rock stability of high water head pressure tunnel
水电水利工程地下工程地质勘察