Modeling of Hydraulic Fracture of Concrete Gravity Dams by Stress-Seepage-Damage Coupling Model

Table 3

Comparison of dam carrying capacities with and without consideration of coupling effect.

Initial crack length	Without consideration of coupling effect		With consideration of coupling effect		Percentage change
	Critical load (m)	Carrying capacity (m)	Critical load (m)	Carrying capacity (m)	Critical load	Carrying capacity
0.1l	6.0	10.2	4.1	7.0	−31.7%	−31.4%
02l	5.0	10.2	2.0	5.3	−60.0%	−48.0%
0.3l	3.0	10.2	1.0	4.2	−66.7%	−58.8%