南水北调中线龙门东干渠二支管式倒虹吸下部结构优化设计  

Optimization Design of Longmen East Trunk Two Branch Pipe Inverted Siphon in the Middle Line South-to-North Water Transfer of Beijing-Shijiazhuang Emergency Water Supply Project

作　　者：范迎春[1] 

机构地区：[1]河北省水利水电勘测设计研究院,天津300250

出　　处：《水科学与工程技术》2011年第6期53-54,共2页Water Sciences and Engineering Technology

摘　　要：龙门东干渠二支管式倒虹吸是南水北调中线京石段应急供水工程的一座渠渠交叉建筑物,上部结构为钢管连续梁,通过对其下部支承结构拱桥方案、薄壁墩方案两种方案进行比选、论证,对其进行优化设计。Longmen East trunk two branch pipe type inverted siphon is a channel intersection structures of the Middle Line South-to-North Water Transfer Project of Beijing-Shijiazhuang Emergency Water Supply Project.The upper structure is steel continuous beam.Through to the selection and argumentation,the two program of its supporting structure arch bridge plan and thin-walled pier scheme,the design is optimized.

关 键 词：南水北调 倒虹吸 优化设计 

分 类 号：TV672.5[水利工程—水利水电工程]