【正文】 ..........84 開挖方法 .........................................................................................................................84 推土機、裝載機、自卸汽車開挖土方工藝流程 ..........................................................85 路塹開挖過程中坡面防護及防排水的處理 .................................................................85 冬季、雨季工程質量保證 措施 .....................................................................................86 冬季工程質量保證措施 .............................................................................................86 雨季施工質量保證措施 ...........................................................................................867 石質路塹施工 ....................................................................................................................87 概述 ................................................................................................................................87 硬石的爆破開挖 ............................................................................................................87 淺孔爆破設計 .............................................................................................................87 光面爆破設計 .............................................................................................................88 爆破流程圖 ....................................................................................................................89 技術要求與標準 ............................................................................................................89 技術措施 ........................................................................................................................90第七章　 路堤過渡段施工 ...............................................................91 過渡段概述 ........................................................................................................................91 路堤與橋臺過渡段 ........................................................................................................91 與橫向結構物過渡段 .....................................................................................................91 路堤與路塹過渡段 ........................................................................................................91 過渡段施工 .......................................................................................................................92 填料 .................................................................................................................................93 路橋過渡段施工措施 ....................................................................................................93 施工質量控制 .................................................................................................................93 過渡段施工中的幾點注意事項 ....................................................................................94第八章　 路基支擋 ...........................................................................95 概述 ...................................................................................................................................95 路基支擋形式 ................................................................................................................95 擋土墻的用途 ................................................................................................................95 擋土墻的類型 ................................................................................................................96 重力式擋土墻 ...............................................................................................................100 一般規(guī)定 ......................................................................................................................100 擋土墻構造 ..................................................................................................................100 基礎 ..............................................................................................................................101 排水設施 ......................................................................................................................103 沉降縫與伸縮縫 ..........................................................................................................104 漿砌片石擋土墻 ...........................................................................................................104 材料要求 ...................................................................................................................104 施工工藝流程圖（明挖基礎） ....................................................................................105 施工方法（明挖基礎） ....................................................................................105 技術質量措施 ...........................................................................................................106①施工注意事項 .........................................................................................................106 抗滑樁 ...........................................................................................................................107 施工準備 ......................................................................................................................107 施工工藝 ......................................................................................................................107 施工方法 ......................................................................................................................107 開挖 ...........................................................................................................................107 護壁 ............................................................................................................................1088 鋼筋籠制作 ................................................................................................................108 灌注樁身混凝土 .......................................................................................................108 井壁塌方處理 .......................................................................................