Uncertainty Instability Risk Analysis of High Concrete Arch Dam Abutments

Table 1

Geological suggestion mean values of rock groups and structural surfaces.

Material class	(GPa)		(kN/m^3)		(MPa)
Rock mass of type II	21	0.25	28	1.35	2
Rock mass of type III1	11.5	0.25	28	1.07	1.5
Rock mass of type III2	6.5	0.3	28	1.02	0.9
Rock mass of type III2 (riverbed)	10	0.3	28	1.02	0.9
Rock mass of type IV1	3	0.35	27.5	0.7	0.6
Rock mass of type IV2	2	0.35	27.5	0.6	0.4
Rock mass of type V1	0.375	0.35	27.5	0.3	0.02
f2	0.375	0.35	26	0.3	0.02
f18	0.375	0.35	26	0.3	0.02
f5	0.375	0.35	26	0.3	0.02
f5 grouting	0.5	0.35	26	0.3	0.02
f5 adit, inclined shaft and seepage treatment inclined shaft	21	0.167	24	1.35	2
f8	0.375	0.35	26	0.3	0.02
f42-9	0.375	0.35	26	0.3	0.02
f42-9 antishear cavity	21	0.167	24	1.35	2
f13	0.375	0.35	26	0.3	0.02
f14	0.375	0.35	26	0.3	0.02
f14 adit, inclined shaft and seepage treatment inclined shaft	21	0.167	24	1.35	2
X (above 1680 m)	2	0.35	27.5	0.6	0.4
X (below 1680 m)	6.5	0.3	28	1.02	0.6
X grouting	4	0.35	27.5	0.6	0.4
X adit, inclined shaft and seepage treatment inclined shaft	21	0.167	24	1.35	2