土木工程毕业设计（论文）-桥梁设计

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目录 ···································· 3 第一章 方案比选 ····································· 3 一、概述 ································· 3 工程地质 1. ································· 5 水文条件 2. ································· 6 地震状况 3. ····························· 6 二设计技术标准与规范 、 ······························ 6 设计技术标准 1. ······························ 6 主要设计规范 2. ··································· 6 三、比选方案 ························· 6 方案一：预应力混凝土连续梁 ······················· 7 方案二：中承式钢管混凝土拱桥 ······················ 9 方案三：预应力混凝土连续刚构桥 ······························· 10 四、方案对比、点评 ································· 12 第二章 设计基本资料 ···································· 12 一结构概况 ···································· 13 二设计要求 ································· 13 设计标准 2.1 ································· 13 设计规范 2.2 ···································· 13 三设计参数 ······························· 13 3.1结构设计参数 ································· 13 3.2桥型布置 ································· 14 3.3主要材料 ···································· 15 第三章 内力计算 ···································· 15 一模型简介 ································ 17 二计算参数取值 ································· 18 三恒载内力计算 ································· 20 四活载内力计算 ···································· 22 五荷载组合