【正文】 ..１６5 施工準備 ...................................................................................................................１７ 技術(shù)準備 .......................................................................................................................１７ 勞動力準備 ...................................................................................................................１７ 建立工地領(lǐng)導機構(gòu) .....................................................................................................１７ 崗前培訓 .....................................................................................................................１７ 施工現(xiàn)場準備 ...............................................................................................................１７ 材料、機具準備 ...........................................................................................................１８ 試驗工作計劃 ...............................................................................................................１８6 降水施工 ...................................................................................................................１９ 設備選型 .......................................................................................................................１９ 施工順序 .......................................................................................................................１９ 施工方法及技術(shù)要求 ...................................................................................................１９ 止水帷幕施工 ...............................................................................................................２１２ 旋噴樁施工工藝 .........................................................................................................２１ 噴射技術(shù)參數(shù)的選擇 .................................................................................................２１ 技術(shù)要求 .....................................................................................................................２１ 質(zhì)量保證措施 .............................................................................................................２２ 地面排水方案 ...............................................................................................................２２ 井點布置 .......................................................................................................................２３7 護坡工程 ...................................................................................................................２３ 土釘墻支護施工工藝 ...................................................................................................２３ 施工工藝流程 .............................................................................................................２３ 各工序施工方法 .........................................................................................................２３ 土釘墻施工技術(shù)要求 .................................................................................................２４ 樁錨支護施工工藝及技術(shù)要求 ...................................................................................２５ 設備優(yōu)勢 .....................................................................................................................２５ 工藝優(yōu)勢 .....................................................................................................................２５ 護坡樁施工工藝 .........................................................................................................２６ 鋼筋籠施工 .................................................................................................................２９ 灌注混凝土 .................................................................................................................３１ 冠梁施工 .....................................................................................................................３４ 錨桿施工工藝及技術(shù)要求 .........................................................................................３４8 土方工程 ...................................................................................................................３６ 土方量 ...........................................................................................................................３６ 計劃挖土時間 ...............................................................................................................３６ 施工機械配備 ...............................................................................................................３６ 馬道設計 .......................................................................................................................３６ 土方開挖步驟 ...............................................................................................................３７ 挖掘機的分布 ...............................................................................................................３７ 開挖注意事項 ...............................................................................................................３７ 質(zhì)量保證措施 ...............................................................................................................３７9 基坑施工監(jiān)測方案及基坑的維護 ...............................................................................３７ 基坑邊坡水平位移監(jiān)測方案 .......................................................................................３７ 基坑邊坡水平位移觀測方法 .....................................................................................３７ 觀測點的布置 .............................................................................................................３８３ 基準點的設置 .............................................................................................................３８ 工作基點的設置 .........................................................................................................３８ 定向點的設置 .............................................................................................................３８ 觀測精度要求 .............................................................................................................３８ 觀測儀器 .................................................................................