Abstract
Three-dimensional dynamic cracking propagation analysis was conducted to evaluate seismic safety of concrete gravity dams with transverse joints. Analytical models were constituted by reservoir, base rock, dam body using smeared crack model and transverse joints, which have non-liner behavior based on Mohr-Coulomb's failure criteria. Crack pattern, crack propagation and failure pattern of dam body were discussed comparing with/without transverse joints. It was realized that crack propagation of the dam body with transverse joints is not spread more than without ones. Moreover, residual ligament height defined from crack propagation was introduced for index of earthquake-resistant safety concerning utilization of reservoir. The relationship between residual ligament height and input acceleration was investigated to evaluate seismic safety of concrete gravity dams with/without transverse joints.
