目录摘 要..........................................................................................................................................................3前言...........................................................................................................................................................5第一章 桥型方案比选.............................................................................................................................61.1 概述..............................................................................................................................................61.2 主要技术指标........................................................................................................................61.3 桥型方案比较............................................................................................................................7第二章 设计资料和结构尺寸..................................................................................................................92.1 设计资料.....................................................................................................................................91.中华人民共和国交通部部标准:《公路工程技术标准》(JTG B01-2003)...............................107. 姚玲森:《桥梁工程》,人民交通出版社,1985..........................................................................109. 公路桥涵设计手册:《基本资料》,人民交通出版社,1991......................................................102.2 结构尺寸...................................................................................................................................102.3、毛截面几何特性.....................................................................................................................11第三章 内力计算...................................................................................................................................133.1 恒载作用内力计算.....................