Numerical Simulation of In-Situ Direct Shear Test and Damage Failure Mechanism Study of Concrete-Bedrock Cementation Surface.

It can be seen from Table 4 that with the increase in normal stress, the slope of the straight line shows a decreasing trend, indicating that the shear strength increases with the rise of normal stress, and the correlation coefficients are 0.93, 0.96, 0.98, 0.99, and 0.90, respectively, indicating that there is a good correlation between the parameters.

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