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放水涵管是水库的三大建筑之一。但由于修建时的技术经济条件限制和年久失修,很大一部分水库的放水涵管破损严重,存在安全隐患,如不及时进行除险加固处理,势必威胁到人民的生命财产安全。笔者结合自身多年的施工经历,对放水涵管普遍存在的破坏形式做了简要归纳,列举了常用的几种处理方案,并以原涵管内套圆钢管和灌浆处理方法为例对放水涵管的除险加固施工和注意事项做了简要说明。
Water drainage culvert is one of the three major reservoirs. However, due to the technical and economic conditions and the disrepair of the building, a large part of the drainage culverts of the reservoirs are severely damaged and have potential safety hazards. If they are not dealt with in time, they will definitely threaten the lives and property of the people. Based on its own construction experience for many years, the author summarizes the common forms of damage in water diversion culverts and lists several commonly used treatment options. Taking the original culvert pipe and grouting treatment as an example, Reinforced construction and precautions made a brief description.