Estimation of resistance parameters of rock mass is one of the most important engineering problems of rock.The study of geomechanical parameters and, finally, the classification of rock masses in the feasibility phase and the initial design of a project, which has very
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Estimation of resistance parameters of rock mass is one of the most important engineering problems of rock.The study of geomechanical parameters and, finally, the classification of rock masses in the feasibility phase and the initial design of a project, which has very little comprehensive information on the geotechnical properties of rock masses, the amount of stress and the available hydrological characteristics, The main purpose of using a classification system is to classify the parameters and, using their results, provide the nature of the rock mass and its engineering behavior in different conditions. Since rock mass specifications are in the design of drilling, design of retainers, tilt design and other requirements. On this basis, it was considered necessary to obtain the resistance parameters of Khersan 3 Dam site so that, by analyzing these data, the stability of the tunnel, the geomechanical classification of rock mass using the RMR, QI, GSI method can be calculated and the relationship between rock mass resistivity parameters Compare the modulus of elasticity and deformation from different relationships and compare each other.
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