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Abstract: 3D visualization of the rock strata and ground conditions for determining the rock mass properties in underground construction, tunneling, and mining is a powerful tool that can help in optimization of ground support design. The required input data can be generated by combining the information obtained through original geotechnical exploration boring and drilling the boreholes such as...
Abstract: Characterization of the ground surrounding the tunnel is the key to improve the safety of tunnels and underground spaces during the construction. While the most common form of rock support at the present is bolting, obtaining information about the ground from the roof bolt drilling could be a logical step. In recent years, manufacturers such as J.H. Fletcher & Co have developed instrumented...