【正文】 目錄 v 51 環(huán)境影響 .......................................................................................................................................................28 58 對環(huán)境、安全等方面的論證 ........................................................................................... 28 56 建設(shè)用地與拆遷 ............................................................................................................... 28 52 無障礙設(shè)施 ..................................................................................................................................................27 51 管線綜合 .......................................................................................................................................................27 54 附屬工程 ........................................................................................................................... 27 53334 橋梁縱斷面設(shè)計(jì) ..........................................................................................................................................23 53 橋梁橫斷面布置 ..........................................................................................................................................22 52 橋孔設(shè)計(jì) .......................................................................................................................................................22 51 橋梁總體布置 ..............................................................................................................................................21 52 總體設(shè)計(jì) ........................................................................................................................... 21 53 建設(shè)規(guī)模及論證 ............................................................................................................... 20 目錄 iv 第五章 工程方案論證 ..................................................................................21 5221 設(shè)計(jì)依據(jù)的技術(shù)標(biāo)準(zhǔn) ....................................................................................................... 19 42225 橋位現(xiàn)狀 .......................................................................................................................................................15 34 河流和航道 ..................................................................................................................................................14 33 水文、水資源 ..............................................................................................................................................14 32 氣象、水文 ..................................................................................................................................................14 31 地形地貌 .......................................................................................................................................................14 31 自然條件 ........................................................................................................................... 14 36 橋梁建設(shè)的必要性 ........................................................................................................... 11 24 項(xiàng)目影響范圍及交通量預(yù)測 ........................................................................................... 10 22 道路橋梁及其它市政基礎(chǔ)設(shè)施建設(shè)現(xiàn)狀，規(guī)劃實(shí)施狀況 ............................................. 8 2114 社會(huì)效益評價(jià) ................................................................................................................................................ 6 第二章 現(xiàn)狀、發(fā)展及建設(shè)的必要性 ............................................................7 23 經(jīng)濟(jì)評價(jià) ......................................................................................................................................................... 6 12 推薦方案 ........................................................................................................................................................ 5 11 建設(shè)理由 ........................................................................................................................................................ 4 14 主要研究結(jié)論 .................................................................................................................... 4 12 編制依據(jù) ........................................................................................................................... 3 1 目錄 i XX 區(qū) XX 橋 可行性研究報(bào)告 XX 大學(xué)建筑設(shè)計(jì)研究院 目錄 ii 目 錄 第一章 概 述 .................................................................................................1 11 項(xiàng)目背景 ........................................................................................................................... 1 13 研究范圍和研究內(nèi)容 ........................................................................................................ 4 144441 擬建項(xiàng)目地區(qū)社會(huì)經(jīng)濟(jì)狀況 ............................................................................................. 7 21 社會(huì)發(fā)展概況 ................................................................................................................................................ 7 22 經(jīng)濟(jì)發(fā)展?fàn)顩r ................................................................................................................................................ 7 23 相關(guān)的其它交通設(shè)施現(xiàn)狀，規(guī)劃實(shí)施狀況 ..................................................................... 9 25 橋位處規(guī)劃用地情況 ....................................................................................................... 10 目錄 iii 27 橋梁建設(shè)對城市發(fā)展、對國民經(jīng)濟(jì)發(fā)展的作用 ........................................................... 12 第三章 自然條件及基礎(chǔ)資料 .......................