金马大桥投标方案设计

Bidding Plan of Jinma Bridge

金马大桥系广州至肇庆高速公路上的一座特大桥梁。桥梁工程范围１８００ｍ，桥梁宽度为２６．５０ｍ。桥位处河宽、水深、流急，下部结构工程施工难度较大。本文就该桥的一个设计投标方案，简略地叙述了桥位自然条件和设计技术标准，重点地介绍本设计方案的指导思想、总体布置和结构体系、主桥的设计计算、主墩的防撞设计，以及本方案的主要特点等。

Jinma Bridge is a major bridge in the expressway from Guangzhou to Zhaoqing.The total length of the bridge is 1800m and the width is 26.50m. This paper emphatically briefs principal characteristics of one of the bidding plans of this bridge,and states the design guidelines,overall lay-out,structural system,computation of main spans,collision defense design of main piers. According to the plan,this paper also gives a simple description of the natural conditions at the brige site and the designing technical criterion.