目 录目 录.....................................................................................................................................1第一章 编制依据及适用范围.............................................................................................11、编制原则..................................................................................................................................12、编制依据..................................................................................................................................1第二章 工程概况..................................................................................................................41、项目概况..................................................................................................................................42、主体概况..................................................................................................................................43、钢箱梁概况..............................................................................................................................54、主要材料..................................................................................................................................64.1 钢材....................................................................................................................................................64.2 焊接材料.............................................................................................................................................74.3 涂装材料.............................................................................................................................................85、节段划分..................................................................................................................................86、交通环境................................................................................................................................1...