【正文】 age engineering。 此次畢業(yè)設(shè)計(jì)主要包括的內(nèi)容如下： 路線設(shè)計(jì)：在已知平面圖的情況下，進(jìn)行縱斷面的設(shè)計(jì)，要求線路順暢、填挖平衡、經(jīng)濟(jì)合理。 我所選擇的設(shè)計(jì) 路 段 是 從 K0+000 至 K3+ 段 ，全長(zhǎng) 米 ，設(shè)計(jì)車速80km/h,路基寬度為 。 路面設(shè)計(jì)： 路基 在不同 干濕 狀態(tài)下， 設(shè)計(jì) 瀝青路面 要求經(jīng)濟(jì)合理，便于施工并滿足各設(shè)計(jì)規(guī)范要求。 in the special section of the reinforcement and protection by the framework of grass and earth retaining wall. 4 、 avement design: Subgrade under different wet and dry conditions, design of asphalt pavement requirements reasonable economy, convenient construction and meet the design requirement.. Keywords way roadbed road surface bridge culvert I 目錄 摘要 ........................................................................................................................................... I Abstract .................................................................................................................................. II 1 依據(jù)、設(shè)計(jì)規(guī)范 .................................................................................................................. 1 2 工程概況 ............................................................................................................................... 2 工程簡(jiǎn)介 ........................................................................................................................... 2 工程名稱 ........................................................................................................................ 2 設(shè)計(jì)內(nèi)容 ........................................................................................................................ 2 工程特點(diǎn) ........................................................................................................................ 2 設(shè)計(jì)原則 ........................................................................................................................... 3 平面設(shè)計(jì) ........................................................................................................................ 3 縱斷面設(shè)計(jì) .................................................................................................................... 3 橫斷面設(shè)計(jì) .................................................................................................................... 3 路面結(jié)構(gòu)設(shè)計(jì) ................................................................................................................ 3 路基路面工程 ................................................................................................................... 3 3 道路選線定線 ....................................................................................................................... 4 選線 ................................................................................................................................... 4 選線內(nèi)容 ........................................................................................................................ 4 路線控制點(diǎn) .................................................................................................................... 4 選線側(cè)重 ........................................................................................................................ 4 選線原則 ........................................................................................................................ 4 選線方法 ........................................................................................................................ 5 定線原則 ........................................................................................................................... 5 定線方法 ........................................................................................................................... 5 本施工圖的定線原則 ....................................................................................................... 6 4 平面設(shè)計(jì) ............................................................................................................................... 7 概述 ................................................................................................................................... 7 直線 ................................................................................................................................... 8 直線的特點(diǎn) .................................................................................................................... 8 直線的長(zhǎng)度限制 ............................................................................................................ 8 圓曲線 ............................................................................................................................... 8 緩和曲線 ........................................................................................................................... 9 緩和曲線的作用 ............................................................................................................ 9 緩和曲線的最小長(zhǎng)度 .................................................................................................... 9 平曲線要素計(jì)算 ............................................................................................................. 10 II 5 縱斷面設(shè)計(jì) ......................................................................................................................... 12 縱段及坡長(zhǎng)設(shè)計(jì) ............................................................................................................. 12 概述 .............................................................................................................................. 12 最大縱坡 ...................................................................................................................... 12 最小縱坡 ...................................................................................................................... 12 坡長(zhǎng)限制 ...................................................................................................................... 12 合成坡度 ...................................................................