A Simplified Procedure for Base Sliding Evaluation of Concrete Gravity Dams under Seismic Action

Table 12

Existing dams: values of 𝑦_𝑅 (mm) for each dam type evaluated with the spectral acceleration of Table 8 with reference to SLV, SLC, for granite (n.c.: not calculated, —: no residual displacement) (case of normal flood and case with 𝐿_𝑤/𝐿=0.85).

Dam tag	Rock type	Normal flood		𝐿𝑤/𝐿=0.85
		SLV 𝑦𝑅	SLC 𝑦𝑅	SLV 𝑦𝑅	SLC 𝑦𝑅
2	granite	21	n.c.	—	8
3		73	n.c.	—	21
4		n.c.	n.c.	18	47