固安渠首拦河工程布置型式的探讨

Discussion of Gu＇an Headwork Barrage Structures Comparation

灌区渠首枢纽改造工程关系到粮食安全和区域的经济发展，通过对固安渠道拦河工程现状及存在的问题入手，结合寒冷地区防冰和排冰特点，探讨闸坝结合的优化对坝址坝型选择诸多因素的影响，确定拦河工程布置型式，提出渠首拦河工程的结构型式及合理化建议，为同类工程建设作参考。

Canal headwork renovation project of the irrigation area is very important for food security and regional economic development. This article analyzes the present situation and the existed questions of Guan Barrage at first. For the characteristics of anti-icing and ice-removing in cold region, the combing with the optimization of damtype selection of dam site the influence of many factors, the structure of the headwork barrage and the rationalization proposal are proposed. The results can provide the references for the similar engineering construction.