Study of the Vibration Transmission and Path Recognition of an Underground Powerhouse Using Energy Finite Element Method

Table 2

DPTV of the rock. Units: W.

Height and α	Perpendicular to the river ()		Along the river ()		Vertical direction ()		Remark
	1269.0 m
	0.0004	1.472	0.0005	1.3585	0.001	1.4234	The first floor nearby the draft tubes
	0.0006	1.6309	0.0007	1.4798	0.0014	1.4941
	0.0012	1.8778	0.0011	1.5385	0.0023	2.0099
1273.0 m
	0.001	1.2925	0.0009	1.3936	0.0014	1.3935	The second floor nearby the draft tubes
	0.0015	1.4358	0.0013	1.5735	0.0023	1.5255
	0.0025	1.4142	0.0027	1.5965	0.0041	1.9193
1275.8 m
	0.0008	1.4514	0.0007	1.37	0.0011	1.4969	The third floor nearby the spiral cases
	0.001	1.7067	0.001	1.393	0.0019	1.6826
	0.0015	2.3985	0.0014	1.7017	0.003	2.4476
1282.8 m
	0.0036	1.3079	0.0038	1.2554	0.0019	1.2966	The fourth floor nearby the turbine
	0.0048	1.5584	0.005	1.431	0.0026	1.5207
	0.0074	1.8851	0.0069	1.7212	0.0037	2.0477
1288.8 m
	0.0047	1.2785	0.0025	1.3129	0.0023	1.4352	The fifth floor nearby the generatrix cables
	0.0065	1.308	0.003	1.4138	0.0037	1.3578
	0.0087	1.6645	0.0036	2.2874	0.0056	1.4485
1295.0 m
	0.007	1.5799	0.0034	1.7096	0.005	1.7021	The sixth floor nearby the generator sets
	0.0112	1.6649	0.005	1.8397	0.007	1.8457
	0.0186	2.4219	0.0148	2.6641	0.011	2.7651