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RISMeasurement While Drilling Method for Estimating the Uniaxial Compressive Strength of Rocks Considering Frictional Dissipation Energy
Publisher: American Society of Civil Engineers
Abstract: Relationships between drilling parameters and the uniaxial compressive strength (UCS) of rocks are typically established through measurement while drilling (MWD) by analyzing either drilling speed or specific energy. This ...
Time-Frequency Analysis of Seismic Wave Propagation across a Rock Mass Using the Discontinuous Deformation Analysis Method
Publisher: American Society of Civil Engineers
Abstract: To investigate the wave (including P-wave and S-wave) propagation across a rock mass, the seismic discontinuous deformation analysis (DDA) method is used, and a time-frequency analysis of the DDA simulation results is ...
Extension of the Discontinuous Deformation Analysis Method to Simulate Seismic Response of a Large Rock Cavern Complex
Publisher: American Society of Civil Engineers
Abstract: The discontinuous deformation analysis (DDA) method calculates large deformations and discontinuous problems using time-step solving and provides an effective tool for analyzing the seismic response of rock mass engineering. ...
A Theoretical Calculation Method to Predict the Structural Response of an Existing Tunnel to a New Overlying Tunnel Considering Axial Force
Publisher: American Society of Civil Engineers
Abstract: Investigation of the response characteristics of existing tunnels to new tunnels underneath is the basis for a rational evaluation of the serviceability of existing tunnels. Current studies usually regard the existing ...