【正文】 地鐵工程主體結(jié)構(gòu)圍護樁施工方案地鐵工程主體結(jié)構(gòu)圍護樁施工方案地鐵工程主體結(jié)構(gòu)圍護樁施工方案1目 錄一、編制依據(jù) ...........................................................................................................................................3二、工程概況 ...........................................................................................................................................3 工程地理位置 .................................................................................................................................3 車站設(shè)計概況 .................................................................................................................................3 主體圍護樁設(shè)計概況 .....................................................................................................................4 工程地質(zhì)與水文條件 .....................................................................................................................6 工程地質(zhì)條件 ..........................................................................................................................7 水文地質(zhì) ..................................................................................................................................7 地下管線情況 .................................................................................................................................8 工程施工特點、重點、難點 .........................................................................................................9 工程特點 ..................................................................................................................................9 工程重點及主要應(yīng)對措施 ......................................................................................................9 工程難點及應(yīng)對措施 ..............................................................................................................9三、施工準備 ...........................................................................................................................................9 勞動力準備 .....................................................................................................................................9 材料準備 .......................................................................................................................................10 機械準備 .......................................................................................................................................10 技術(shù)準備 .......................................................................................................................................11 試驗檢驗工作 ...............................................................................................................................12四、施工安排 .........................................................................................................................................13 施工組織機構(gòu) ...............................................................................................................................13 總體施工安排 ...............................................................................................................................13五、施工方法及措施 .............................................................................................................................13 測量放線 .......................................................................................................................................14 試樁施工 .......................................................................................................................................14 長螺旋鉆孔灌注樁施工 ...............................................................................................................14 鉆機就位 ................................................................................................................................15 鉆進成孔 ................................................................................................................................15 商品混凝土 ............................................................................................................................16 壓灌砼及拔管 ........................................................................................................................16 鋼筋籠制作 ............................................................................................................................16 鋼筋籠的吊裝 ........................................................................................................................19 玻璃纖維筋樁施工 ...............................................................................................................20 試驗檢測 ................................................................................................................................21 長螺旋鉆孔灌注樁操作要點 ................................................................................................21 常見質(zhì)量缺陷原因分析及控制措施 ..................................................................................23 冠梁施工 .......................................................................................................................................26六、冬季施工措施 .................................................................................................................................27 材料堆放 .......................................................................................................................................28地鐵工程主體結(jié)構(gòu)圍護樁施工方案2 鋼筋冷加工 ...................................................................................................................................28 鋼筋連接 .......................................................................................................................................28 冠梁混凝土澆筑養(yǎng)護措施 ...........................................................................................................28 冠梁混凝土的澆筑 ................................................................................................................28 冠梁混凝土的養(yǎng)護 .........................................................