【正文】 ............................................................. 15 最大縱坡設(shè)計(jì)要求 .............................................................................. 16 坡長(zhǎng)限制 .............................................................................................. 16 最小縱坡、平均縱坡以及合成坡度 .................................................. 17 豎曲線半徑 .......................................................................................... 18 豎曲線幾何要素計(jì)算 .......................................................................... 18 橫斷面設(shè)計(jì) ...................................................................................................... 20 橫斷面設(shè)計(jì)的原則 .............................................................................. 20 行車(chē)道寬度 .......................................................................................... 20 路肩 ...................................................................................................... 20 平曲線加寬 .......................................................................................... 21 路拱的確定 .......................................................................................... 21 超高 ...................................................................................................... 22 平縱線形組合設(shè)計(jì) .......................................................................................... 26 設(shè)計(jì)原則 .............................................................................................. 26 平、豎線組合的基本要求 .................................................................. 26 橫斷面繪制 ...................................................................................................... 26 第 5章 路基設(shè)計(jì) .............................................................................................28 路基概述 .......................................................................................................... 28 路基的設(shè)計(jì)內(nèi)容 .............................................................................................. 28 路基斷面形式 ....................................................................................... 28 路基寬度 .............................................................................................. 28 路基高度 .............................................................................................. 29 路基邊坡坡度設(shè)計(jì) .............................................................................. 29 路基填料 .......................................................................................................... 30 路基填料選擇原則 ............................................................................... 30 路基壓實(shí)標(biāo)準(zhǔn)與壓實(shí)度 .................................................................................. 31 路基防護(hù)與加固工程 ...................................................................................... 31 植物防護(hù) .............................................................................................. 32 軟基處理 .............................................................................................. 32 長(zhǎng)沙學(xué)院 畢業(yè)設(shè)計(jì) (論文 ) V 第 6 章 擋土墻 .................................................................................................34 ....................................................................................................... 34 ....................................................................................................... 34 擋土墻的縱向布置 .............................................................................. 34 擋土墻的橫向布置 .............................................................................. 34 擋土墻的平面布置 .............................................................................. 35 擋土墻的構(gòu)造 .................................................................................................. 35 擋土墻的埋置深度 .......................................................................................... 35 排水設(shè)施 .......................................................................................................... 36 沉降縫與伸縮縫 .............................................................................................. 36 重力式擋土墻設(shè)計(jì) .......................................................................................... 36 土壤以及地質(zhì)情況 .............................................................................. 36 墻身材料 .............................................................................................. 37 擋土墻自重及其重心計(jì)算 .................................................................. 37 確定車(chē)輛荷載及換算土柱高度 .......................................................... 38 土壓力計(jì)算 .......................................................................................... 40 穩(wěn)定性驗(yàn)算 .......................................................................................... 40 基底應(yīng)力及合力偏心距驗(yàn)算 .............................................................. 41 墻身截面強(qiáng)度驗(yàn)算 .............................................................................. 43 第 7 章 土石方計(jì)算與調(diào)配 .............................................................................46 橫斷面面積計(jì)算 .............................................................................................. 46 土石方數(shù)量計(jì)算 .............................................................................................. 46 計(jì)算方法 .............................................................................................. 46 路基土石方調(diào)配 .............................................................................................. 47 土石方調(diào)配的原則 .............................................................................. 47 土石方調(diào)配方法步驟 .......................................................................... 47 計(jì)算計(jì)價(jià)土石方 .................................................................................. 47 第 8 章 路面設(shè)計(jì) ....................................................................................