摘要
本文以甘肃省华亭县南汭河综合治理项目为依托,在充分分析华亭县南汭河现状特点的前提下,提出了采用矩形河道开敞断面蓄清水和涵洞泄浑水的设计思路,首先根据分配的流量设计了泄洪涵洞,其次选取了钢筋砼水堰、橡胶坝、钢坝,通过对功能性、操作性、运行时间、运行可靠性以及坝体安全性等5 个方面进行对比,最终选择了钢坝作为本次的蓄水建筑物,最后依据规范计算值,对钢坝铺盖、闸室、消力池以及海漫进行了结构设计,并说明了钢坝汛期、非汛期的运行方式.
Abstract
This paper is based on the comprehensive management project of South River Bend in Huating County,Gansu Province.Under the premise of fully analyzing the current characteristics of the South River Bend in Huating County,the design idea of using rectangular channel open section to store clear water and culvert to drain muddy water is proposed,firstly,the culvert is designed to drain the flood according to the allocated flow rate,and then,reinforced concrete weir,rubber dam,steel dam are selected.By comparing five aspects such as functionality,operation,operation time,operation reliability,and safety,the steel dam was finally selected as the water storage building in this case.Finally,based on the calculated value of the specification,the structural design of the steel dam cover,gate chamber,dissipation pool,and sea rover was carried out,and the operation mode of the steel dam in flood season and non-flood season was explained.
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