柘城县河道节制闸现状及存在问题分析OA

Check sluice is an important component in hydraulic engineering,playing an important role in flood control and water level regulation in polder areas.After the long-term operation some problems are found in the river check sluices in Zhecheng County,including:concrete peeling off in the piers and gates,the concrete facing of the upstream and downstream wing walls having fallen off,and part of stilling pool and apron of the downstream connection section having been destroyed.The other problems include siltation around sluice chamber,the serious corrosion of metal component of gates and piers,lack of observation facilities,aging of distribution facilities,and the roof of hoist chamber seepage,etc,In the paper the current situation and the existing problems of Litan Sluice on Huiji River,Guokou Sluice on old Yellow River,and Lizhai Sluice on Taiping Ditch are analyzed in detail.