白石岩水库溢洪道为开敞式，在施工过程中及施工后至今溢洪道进口段、泄槽底

White pyroxenite spillway open air, the inlet section has spillway during construction and after construction, the chute bottom, a plurality of side wall cracks occur. To ensure the safe operation of the spillway, the specific cause of cracks from the analysis of geological, structural, environmental, construction and other factors. Puts forward the repair method, to provide reference for subsequent reinforcement.

Baishiyan reservoir spillway is open-type, in the construction process and after the construction so far the spillway import section, the bottom plate of the spillway, the side wall appeared in a number of cracks. In order to ensure the safe operation of the spillway, the specific causes of cracks are analyzed from the aspects of geology, structure, environment and construction factors. Targeted repair methods are proposed to provide reference for subsequent risk-relief reinforcement.

The spillway of BAISHIYAN reservoir is an open type. There are many cracks in the entrance section of spillway, the bottom plate of spillway and the side wall during and after the construction. In order to ensure the safe operation of spillway, this paper analyzes the specific causes of cracks from the aspects of geology, structure, environment, construction factors and so on. The repair methods are put forward to provide reference for the subsequent reinforcement.