【正文】 ................................ 5 初步設(shè)計(jì)外業(yè)驗(yàn)收會(huì)議紀(jì)要的執(zhí)行情況 ......................................................................... 5 《貴州省公路工程技 術(shù)指標(biāo)運(yùn)用指南》（試行）的執(zhí)行情況 ............................................. 5 初步設(shè)計(jì)文件的總體評(píng)價(jià) .............................................................................................. 6 3 路線 ....................................................................................................................................... 7 路線起終點(diǎn)、主要控制點(diǎn)及走向 ................................................................................... 7 路線方案比選 ............................................................................................................... 7 楓香鎮(zhèn)過境方案比選 ............................................................................................ 8 楊古老至大陸井段方案比選 ................................................................................. 8 坪子上特大橋、壇廠隧道軸線方案比選 ................................................................ 9 ......................................................................................10 兩路口至 XX 段方案比選 ....................................................................................12 運(yùn)行速度預(yù)測(cè)及協(xié)調(diào)性評(píng)價(jià) .........................................................................................13 運(yùn)行速度預(yù)測(cè) ....................................................................................................13 設(shè)計(jì)速度與運(yùn)行速度協(xié)調(diào)性評(píng)價(jià) ........................................................................20 相鄰路段運(yùn)行速度協(xié)調(diào)性評(píng)價(jià) ............................................................................20 爬坡車道設(shè)置評(píng)價(jià) .............................................................................................21 運(yùn)行速度縱斷面圖 .............................................................................................22 路線技術(shù)標(biāo)準(zhǔn)運(yùn)用評(píng)價(jià) .................................................................................................31 總體評(píng)價(jià) ...........................................................................................................31 關(guān)于連續(xù)縱坡 ....................................................................................................31 關(guān)于爬坡車道和避險(xiǎn)車道 ...................................................................................32 路線局部?jī)?yōu)化調(diào)整的建議 .............................................................................................32 路線平面 ...........................................................................................................32 路線縱斷面 ........................................................................................................33 關(guān)于主線收費(fèi)站 ..................................................................................................33 其它 ..................................................................................................................34 4 路基 路面及排水 ....................................................................................................................35 一般路基 .....................................................................................................................35 路基標(biāo)準(zhǔn)橫斷面 .................................................................................................35 路基填料要求和壓實(shí)度標(biāo)準(zhǔn) ...............................................................................35 路基土石方 ........................................................................................................36 路基取、棄土方案 .............................................................................................36 填石路基的壓實(shí) .................................................................................................36 不良地質(zhì)與特殊路基 ....................................................................................................36 遵赤公路 XX 段高速公路 初步設(shè)計(jì)（修編）咨詢報(bào)告 ii 巖溶路段分布及處理 ..........................................................................................37 軟土路基 ...........................................................................................................37 煤層采空區(qū) ........................................................................................................37 高填路基、斜坡路基 ..........................................................................................37 深挖路塹 ...........................................................................................................39 路基邊坡及防護(hù) ...........................................................................................................43 路基邊坡 ...........................................................................................................43 邊坡防護(hù) ...........................................................................................................44 支擋工程 ...........................................................................................................45 路面 ............................................................................................................................45 路基、路面排水 ...........................................................................................................45 路基排水 ...........................................................................................................46 路面排水 ...........................................................................................................46 5 橋梁涵洞 ...............................................................................................................................48 橋梁 ............................................................................................................................48 總體評(píng)價(jià) ...........................................................................................................48 橋梁上部構(gòu)造 ....................................................................................................49 橋梁下部構(gòu)造 .........................................................................