大跨度预制渡槽在工程中的应用与实践  

Application and Practice of Large Span Precast Aqueduct in Projects

作　　者：张宁[1] 郭春雷[1] 周磊[1] 

机构地区：[1]中水北方勘测设计研究有限责任公司,天津300222

出　　处：《水利水电工程设计》2009年第3期8-11,共4页Design of Water Resources & Hydroelectric Engineering

摘　　要：对宁夏引黄灌渠大跨度渡槽的方案比选,水力计算,槽壳双向预应力设计,侧墙预制吊运、槽墩、槽台设计,钻孔灌注桩基础设计,预制与现浇施工控制等问题,作以概略说明,并依据施工流程进行结构分析,供设计单位在作类似结构设计时参考。It makes a brief introduction to option section of large-span aqueducts of irrigation channel in Ningxia,hydraulic calculation,aqueduct shell two-way prestress design,sidewall precast lifting,aqueduct pier,support and bored pile foundation design,precast and cast-in-situ construction control,etc.Structural analysis is also conducted on the basis of construction process as reference for similar structure design.

关 键 词：渡槽 水力计算 双向预应力 预制 钻孔灌注桩 宁夏引黄灌渠 

分 类 号：TV672.3[水利工程—水利水电工程]