山东省乔店水库总库容2700万m3，兴利库容1400万m3，是一座以灌溉为主，结合防洪、发电、水产养殖等综合利用的水库．由于多年运行，工程老化，放水洞已出现一些病害．通过检测，除放水洞第6，第38节管节属严重破坏外，其余管节属轻微破坏．对此，进行了修补施工，确保了工程质量，使放水洞安全运行． Qiaodian Reservoir in Shandong Province has a total storage capacity of 27 million m3 and a storage capacity of 14 million m3. It is a reservoir that is mainly irrigated and integrated with flood control, power generation and aquaculture. Due to years of operation, engineering aging, diversion holes have emerged some diseases. Through testing, in addition to the water hole 6th, section 38 of the pipe is a serious damage, the rest of the pipe is a minor damage. In this regard, the repair construction has been carried out to ensure the quality of the project so that the safe operation of water diversion holes.