【正文】 .....3 道路等級(jí)的確定 ....................................................4 ...................................................4 直線 ..............................................................4 直線的最小長(zhǎng)度 ................................................4 直線的最大長(zhǎng)度 ................................................5 圓曲線半徑及圓曲線長(zhǎng)度 ............................................5 公式與影響因素 ................................................5 最小半徑計(jì)算 ..................................................7 圓曲線的最大半徑 ..............................................8 緩和曲線 ..........................................................8 緩和曲線的最小長(zhǎng)度 ............................................8 行車(chē)視距 ..........................................................9 停車(chē)視距 ......................................................9 超車(chē)視距 ......................................................9 會(huì)車(chē)視距 .....................................................10 平面視距的保證 ...................................................10 縱斷面技術(shù)論證 ...................................................10 最大縱坡 .....................................................10 最小縱坡 .....................................................10 最小坡長(zhǎng) .....................................................10 最大坡長(zhǎng) .....................................................11 緩和坡段 .....................................................11 豎曲線的最小半徑 .............................................112 橫斷面技術(shù)論證 ...................................................12 路基寬度 .....................................................12 道路路拱 .....................................................12 道路邊溝 .....................................................12 道路邊坡坡度 .................................................13 路基技術(shù)論證 .....................................................13 路基設(shè)計(jì)的基本要求 ...........................................13 路基寬度 .....................................................13 路基高度 .....................................................14 路基壓實(shí) .....................................................14 邊坡坡度 .....................................................15 路面技術(shù)論證 .....................................................15 路面設(shè)計(jì)的基本要求 ...........................................16 路面等級(jí) .....................................................16 路拱坡度 .....................................................16 路面排水 .....................................................16 橋涵 .........................................................16 技術(shù)指標(biāo)匯總 ..................................................18 ..................................................19 路線初步選線 .....................................................19 選線的主要依據(jù)來(lái)源 ...........................................19 選定路線 .....................................................19 路線初步定線 .....................................................19 紙上定線 .....................................................19 平曲線初步設(shè)計(jì) ...................................................21 緩和曲線設(shè)計(jì) .................................................21 路線的轉(zhuǎn)點(diǎn)和轉(zhuǎn)角的確定 .......................................21 縱斷面的初步設(shè)計(jì) .................................................22 平縱線形組合的基本要求 .......................................22 縱斷面設(shè)計(jì)的步驟 .............................................23 縱斷面的豎曲線設(shè)計(jì) ...........................................23 方案比選 .....................................................24 平面曲線要素的確定 ...........................................25 緩和曲線的設(shè)計(jì) ...............................................25 初步設(shè)計(jì)的平曲線加樁 .........................................25 ....................................................26 平縱線形組合設(shè)計(jì) .................................................26 平縱線形組合的設(shè)計(jì)原則 .......................................26 縱斷面詳細(xì)設(shè)計(jì) ...................................................27 縱斷面線形設(shè)計(jì)的一般要求 .....................................27 縱斷面設(shè)計(jì)的步驟 .............................................28 縱斷面的豎曲線設(shè)計(jì) ...........................................283 ..........................................................30 橫斷面的組成 .....................................................30 路拱的確定 .......................................................30 彎道的超高 ...................................................31 彎道的加寬 ...................................................31 陡坡路堤的穩(wěn)定性檢驗(yàn) .........................................31 土石方量計(jì)算和調(diào)動(dòng) ...........................................32 路基邊坡設(shè)計(jì) .....................................................32 路堤邊坡 .....................................................32 路塹邊坡 .....................................................32 溝渠設(shè)計(jì) .........................................................33 邊溝設(shè)計(jì) .....................................................33 邊溝的斷面形式 ...............................................33 邊溝斷面尺寸 .................................................33 溝渠加固 .....................................................33 ..................................................34 交通資料分析 .....................................................34 標(biāo)準(zhǔn)軸載及軸載當(dāng)量換算 ...........................................35 標(biāo)準(zhǔn)軸載累計(jì)當(dāng)量作用次數(shù) NE 及混泥土路面交通等級(jí)的劃分 ............36 其他相關(guān)參數(shù)的確定 .........................................37 路面結(jié)構(gòu)的初步擬定 ...............................................38 路面結(jié)構(gòu)層厚度的計(jì)算 .........................................38 荷載應(yīng)力分析 .................................................41 溫度應(yīng)力分析 .................................................42 綜合疲勞應(yīng)力分析 .............................................43 水泥混凝土縱縫設(shè)計(jì) ...........................................44 水泥混凝土路面橫縫設(shè)計(jì) .......................................45 ........................................................46 路面設(shè)計(jì)計(jì)算 .....................................................46 路面設(shè)計(jì)年限 .................................................48 標(biāo)準(zhǔn)軸載及軸載當(dāng)量換算 .......................................49 選用原材料 .......................................................49 預(yù)估路基回彈模量 ...................................