【正文】 .............................................................................. 2 第 2 章 公路等級 ....................................................................................................... 3 交通分析 ........................................................................................................ 3 主要技術(shù)指標(biāo) ................................................................................................ 4 第 3 章 道路選線及平面設(shè)計(jì) ................................................................................... 6 選線的原則與步驟 ........................................................................................ 6 選線的原則 .......................................................................................... 6 選線的步驟 .......................................................................................... 7 平面線形設(shè)計(jì) ................................................................................................ 8 直線段 .................................................................................................. 8 曲線段 .................................................................................................. 8 方案比選 ...................................................................................................... 14 第 4 章 縱斷面設(shè)計(jì) ................................................................................................. 16 縱坡設(shè)計(jì) ...................................................................................................... 16 設(shè)計(jì)要求 ............................................................................................ 16 設(shè)計(jì)的步驟 ........................................................................................ 17 豎曲線設(shè)計(jì) .................................................................................................. 18 第 5 章 路基設(shè)計(jì) ..................................................................................................... 22 橫斷面設(shè)計(jì) .................................................................................................. 22 超高設(shè)計(jì) ...................................................................................................... 22 超高設(shè)計(jì)步驟 ................................................................................... 22 土石方計(jì)算與調(diào)配 ...................................................................................... 26 土石方計(jì)算 ........................................................................................ 26 調(diào)配原則 ............................................................................................ 27 調(diào)配方法 ........................................................................................... 27 IV 第 6 章 排水設(shè)計(jì) ..................................................................................................... 29 第 7 章 擋土墻的設(shè)計(jì) ............................................................................................. 33 擋土墻的布置及構(gòu)造 .................................................................................. 33 擋土墻的土壓力計(jì)算 .................................................................................. 34 庫倫主動土壓力計(jì)算 ........................................................................ 34 擋土墻穩(wěn)定性驗(yàn)算 ............................................................................ 37 增加擋土墻穩(wěn)定性的措施 ................................................................ 38 擋土墻的排水設(shè)施 ............................................................................ 38 第 8 章 邊坡防護(hù) ..................................................................................................... 40 第 9 章 路面結(jié)構(gòu)設(shè)計(jì) ............................................................................................. 43 路面排水形式 ............................................................................................. 43 軸載分析 ..................................................................................................... 43 路面結(jié)構(gòu)組合設(shè)計(jì) ...................................................................................... 46 面層類型和等級選擇 ........................................................................ 46 路面厚度計(jì)算 .................................................................................... 50 彎拉應(yīng)力驗(yàn)算 ................................................................................... 54 結(jié) 論 ......................................................................................................................... 57 致 謝 ......................................................................................................................... 58 參考文獻(xiàn) ................................................................................................................... 59 V Contents Abstract .................................................................................... 錯誤 !未定義書簽。 The basic task of the overall design ............................... 錯誤 !未定義書簽。 Road construction significance ...................................... 錯誤 !未定 義書簽。 Traffic analysis ............................................................... 錯誤 !未定義書簽。 Chapter3 Road route and graphic design ............................... 錯誤 !未定義書簽。 Route principle ..................................................... 錯誤 !未定義書簽。 Horizontal alignment design .......................................... 錯誤 !未定義書簽。 Curve segment ...................................................... 錯誤 !未定義書簽。 Chapter4 Alignment design ...................................................... 錯誤 !未定義書簽。 Design requirements............................................. 錯誤 !未定義書簽。 Vertical curve design ...................................................... 錯誤 !未定義書簽。 Crosssectional design .................................................... 錯誤 !未定義書簽。 Ultrahigh design steps ......................................... 錯誤 !未定義書簽。 T calculation ......................................................