【正文】 氣炎熱，常有干旱。 氣象、水文 路線區(qū)地處中低緯度，系亞熱帶濕潤季風(fēng)氣候，氣候溫和，年平均氣溫 15℃ ～17℃ ；雨量充沛，年平均降雨量 1594～ 1760 毫米，降雨主要集中在春、夏兩季；日照充足年平均日照時間 1655～ 1777 小時；無霜期長，年均無霜期 240 天以上。總體上，北部為幕阜山、九嶺山余脈的中低山區(qū)，其間分布眾多小塊盆地和河谷階地；南部九龍山丘陵與吉泰盆地。an free way, the alignment design, the subgrade design, pavement design. 南華大學(xué)城市建設(shè)學(xué)院畢業(yè)設(shè)計 iii 目 錄 1 設(shè)計資料與依據(jù) ....................................................................................................................................... 1 設(shè)計資料 ............................................................................................................................................. 1 沿線自然條件 ..................................................................................................................................... 1 地形地貌 .................................................................................................................................... 1 氣象、水文 ............................................................................................................................... 1 區(qū)域地質(zhì)構(gòu)造及地震 ............................................................................................................... 2 沿線筑路材料、水、電等建設(shè)條件及公路建設(shè)的關(guān)系 .................................................... 2 與周圍環(huán)境協(xié)調(diào)情況 ............................................................................................................... 3 技術(shù)標(biāo)準(zhǔn) ............................................................................................................................................. 3 主要經(jīng)濟技術(shù)指標(biāo) ............................................................................................................................ 4 2 路線設(shè)計 ................................................................................................................................................... 5 平面設(shè)計 ............................................................................................................................................. 5 紙上定線 .................................................................................................................................... 5 計算交點樁位 ........................................................................................................................... 5 曲線的超高和加寬 .................................................................................................................10 行車視距及其保證 .................................................................................................................10 縱斷面設(shè)計 ....................................................................................................................................... 11 縱斷面設(shè)計一般原則 .............................................................................................................. 11 縱坡設(shè)計 ...................................................................................................................................12 豎曲線設(shè)計 ..............................................................................................................................14 豎曲線計算內(nèi)容 ......................................................................................................................15 橫斷面設(shè)計 .......................................................................................................................................18 橫斷面組成 .............................................................................................................................18 路線橫斷面設(shè)計基本要求 ....................................................................................................20 斷面的設(shè)計步驟 .....................................................................................................................20 平 縱組合設(shè)計 ...................................................................................................................................20 土石方計算與調(diào)配 ...........................................................................................................................21 調(diào)配要求 ...................................................................................................................................21 調(diào)配方法 ...................................................................................................................................21 3 路基設(shè)計 .................................................................................................................................................23 路基橫斷面布置 ...............................................................................................................................23 3. 2 路基最小填土高度 ..........................................................................................................................23 3. 3 路基邊坡和路基壓實標(biāo)準(zhǔn) .............................................................................................................23 3. 4 路基填料要求 ..................................................................................................................................24 3. 5 地基表層處理 ..................................................................................................................................24 3. 6 路基防護 ...........................................................................................................................................25 3. 7 路基路面排水設(shè)計 ..........................................................................................................................26 特殊路基設(shè)計 .................................................................................................................................29 南華大學(xué)城市建設(shè)學(xué)院畢業(yè)設(shè)計 iv 4 路面設(shè)計 .................................................................................................................................................36 瀝青路面的基本概述 ......................................................................................................................36 瀝青路面的基本特性 ..........