古能明渠渠道变更修复方案优化设计OA

Due to obstruction in construction land acquisition,the large-flow open channel was submerged for an ex-tended period,and subsequently suffered slope collapse under continuous heavy rainfall.Under this situation,to en-sure the smooth water delivery of the project,it is necessary to consider both the landslide and the land acquisition issues when formulating the change and rehabilitation scheme for the open channel.Taking the landslide issue of Guneng open channel in Letan Reservoir Irrigation Zone as an example,multiple change and rehabilitation schemes were proposed,and after a technical and economic comparison,the single arch-shaped concrete buried culvert scheme was determined.This scheme not only thoroughly treated the landslide mass but also solved the long-stand-ing land acquisition issue.