Study on Cracking and Strengthening Measures in the Sluice Piers of a Overflow Dam

摘要

Based on the character of the penetrated cracks in the sluice piers of a overflow dam, the reasons inducing cracks are investigated. The results of the finite element (FE) nonlinear analysis on a representative cracked sluice pier indicate that the current cracks will expend, and the piers need to be strengthened. Four strengthening schemes with prestressed anchorage cables are designed, and their effects are analyzed and compared with FE method, the best strengthening scheme is found.