Rock mass property-based rock stratum maximum horizontal principal stress prediction method
The invention discloses a rock mass property-based rock stratum maximum horizontal principal stress prediction method, which belongs to the technical field of ground stress measurement, and specifically comprises the following steps: drilling in a target rock mass area to obtain a rock core sample,...
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| creator | SHANG XIANGFAN LI PENG DONG KANG MIAO SHENGJUN DUAN ZHENGTING WANG YU TANG CHENYU DING CHENGTIAN CAI MEIFENG |
| description | The invention discloses a rock mass property-based rock stratum maximum horizontal principal stress prediction method, which belongs to the technical field of ground stress measurement, and specifically comprises the following steps: drilling in a target rock mass area to obtain a rock core sample, and obtaining a rock quality index value 1 # imgabs0 #; carrying out related tests to obtain a point load strength index # imgabs1 #, an average uniaxial compressive strength # imgabs2 #, an average elastic modulus # imgabs3 # and an average Poisson's ratio # imgabs4 #, and calculating according to the five index parameters to obtain a characteristic parameter # imgabs5 #; an information distribution principle and a fuzzy approximate reasoning method are adopted, a function relation between the maximum horizontal principal stress # imgabs6 # and the characteristic parameter # imgabs7 # is established through sample learning, and finally a predicted value of the maximum horizontal principal stress is obtained. By ad |
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| subjects | CALCULATING COMPUTER SYSTEMS BASED ON SPECIFIC COMPUTATIONAL MODELS COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING |
| title | Rock mass property-based rock stratum maximum horizontal principal stress prediction method |
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