西部农村适用桥型探究

An inquiry into the type of the bridge suited western countrysides

介绍了目前西部农村建造中小跨径桥梁常用的桥型结构及特点;阐述了目前西部农村建桥的三大困难:建桥资金缺、施工难度大、建设工期长;经过几种不同桥型的分析比较,确认了一种具有广阔应用前景的钢—混凝土组合桥梁。与其他桥型相比较,此桥型具有建桥投资省、施工难度低、建设工期短的突出优点,可作为西部农村中小跨径桥梁较为适用的桥型。

The paper introduces the structure of the medium and small spanning bridges which is often used in western countrysides,and its characteristics.There are,at present,three difficulties in western countrysides,such as short of funds,great difficulty in construction and long time limit for a project.After analyzing and comparing different types of bridges,we affirm the steel-concrete bridge which is of broad prospects in application.This kind of the bridge has the following advantages:saving funds,less difficulty in construction and short time limit for a project,and it is a suitable type of the bridge for westem countrysides.