【正文】 ................................................................ 17 5. 主要材料 .........................................................................................................................................17 混凝土 ................................................................................................................................................................... 17 普通鋼筋 ............................................................................................................................................................... 18 普通鋼筋 ............................................................................................................................................................... 18 預(yù)應(yīng)力材料 ........................................................................................................................................................... 18 預(yù)應(yīng)力鋼絞線 ........................................................................................................................................... 18 預(yù)應(yīng)力錨具 ................................................................................................................................................ 18 預(yù)應(yīng)力管道材料 ....................................................................................................................................... 19 主體結(jié)構(gòu)用鋼 ....................................................................................................................................................... 19 鋼板 ............................................................................................................................................................ 19 焊接材料 .................................................................................................................................................... 19 鋼管 ............................................................................................................................................................ 19 高強(qiáng)度螺栓 ................................................................................................................................................ 19 精軋螺紋鋼 ................................................................................................................................................ 20 斜拉索系統(tǒng) ........................................................................................................................................................... 20 橋梁附屬結(jié)構(gòu)材料 ............................................................................................................................................... 20 附屬結(jié)構(gòu)用鋼 ........................................................................................................................................... 20 人行道板 .................................................................................................................................................... 20 瀘州市 安富 第二過江通道 （鄰玉 長(zhǎng)江六橋 ）及連接線工程 第一分冊(cè) 第 二 卷 正橋施工圖 設(shè)計(jì)總說明 2 橋面泄水管 ............................................................................................................................................... 20 橋梁排水管 ............................................................................................................................................... 20 防撞護(hù)欄 ................................................................................................................................................... 21 車行道鋪裝 ............................................................................................................................................... 21 7. 主橋總體設(shè)計(jì) .................................................................................................................................. 21 總體布置 ............................................................................................................................................................... 21 橋跨布置 ................................................................................................................................................... 21 橫斷面布置 ............................................................................................................................................... 21 結(jié)構(gòu)設(shè)計(jì) ............................................................................................................................................................... 21 基礎(chǔ)結(jié)構(gòu) ................................................................................................................................................... 21 橋墩 ............................................................................................................................................................ 22 索塔 ............................................................................................................................................................ 22 斜拉索體系 ............................................................................................................................................... 23 主橋鋼箱梁 ............................................................................................................................................... 24 主橋混凝土箱梁段 ................................................................................................................................... 26 8. 引橋總體設(shè)計(jì) .................................................................................................................................. 26 橋跨布置 ............................................................................................................................................................... 26 橫斷面布置 ......................................................................................................................................