A Study on the Normal Transmission of a One-Dimensional P-Wave across a Single Nonlinear Joint in a Rockmass

Table 1

Material properties of the incident wave and the rock joint used for numerical calculation.

Parameters	Value
P-wave velocity ()	5,000
Amplitude of incident wave (mm)	0.005
Coefficient of nonlinearity	7,000
Period of incident wave (ms)	0.05
Number of time increment in a period of incident wave	5 × 10^6
Density of rock ()	2,650
Allowable joint closure (mm)	0.57
Initial normal joint stiffness ()	2 × 10^9