Influence of Discontinuities on Rock Failure under Blasting at Shuangjiangkou Hydropower Station

Table 1

Deformation of each pile position in main powerhouse and main transformer room.

	Pile position (m)	Upstream arch foot (mm)	Downstream arch foot (mm)	Average (mm)
The main powerhouse	K0 + 00	0.65	0.40	0.53
	K0 + 30.2 K0 + 60.4	0.62	0.41	0.52
		0.56	0.49	0.53
	K0 + 90.6	0.56	0.48	0.52
The main transformer room	K0 + 00	0.41	3.14	1.78
	K0 + 30.2	0.49	2.56	1.53
	K0 + 60.4	0.51	1.18	0.85
	K0 + 90.6	0.48	0.63	0.56