Oblique Incidence of Seismic Wave Reflecting Two Components of Design Ground Motion

Table 4

Acceleration extremums of key parts of the dam (unit: m/s²).

Location	Direction	Incidence schemes
		Scheme 1	Scheme 2	Scheme 3
Upstream crest	Horizontal	6.107	7.049	7.425
	Vertical	4.347	3.993	4.885
Downstream crest	Horizontal	6.277	7.069	7.472
	Vertical	4.457	5.538	5.593
Upstream toe	Horizontal	1.320	1.569	1.494
	Vertical	0.852	0.993	1.029
Downstream toe	Horizontal	1.257	1.562	1.534
	Vertical	1.003	1.116	1.085