【正文】 ............................................ 3 工程概況 ............................................................................................................................................. 3 施工環(huán)境 ............................................................................................................................................. 3 現(xiàn)場周邊環(huán)境 ............................................................................................................................ 4 周邊及場內(nèi)道路情況 ............................................................................................................... 4 三、分項工程重點、難點分析及應對 ....................................................................................................... 4 四、分項工程施工總體部署 ........................................................................................................................ 5 施工區(qū)段的劃分以及施工順序 ....................................................................................................... 5 施工區(qū)段的劃分 ........................................................................................................................ 5 地下室施工階段施工順序 ....................................................................................................... 6 底板混凝土施工平面布置 ................................................................................................................ 6 地下室底板施工階段的進度安排 ................................................................................................... 8 混凝土工程施工的準備工作 ........................................................................................................... 8 混凝土澆筑前的技術準備 ....................................................................................................... 8 混凝土澆筑前的生產(chǎn)準備 ....................................................................................................... 9 混凝土澆筑前的人員準備 .....................................................................................................10 混凝土澆筑前的機械準備 ..................................................................................................... 11 混凝 土廠家的選擇和混凝土運輸設備的計算 ............................................................................ 11 混凝土廠家的選擇 .................................................................................................................. 11 混凝土運輸設備的運算 .........................................................................................................12 五、施工工藝及 操作要點 ..........................................................................................................................13 混凝土配合比的確定 ......................................................................................................................13 混凝土的運輸 ...................................................................................................................................13 混凝土泵管布置原則 ......................................................................................................................14 混凝土泵送操作要點 ......................................................................................................................14 混凝土澆筑操作要點 ......................................................................................................................15 混凝土測溫 .......................................................................................................................................17 混凝土養(yǎng)護 .......................................................................................................................................19 混凝土試塊留置及試驗 ..................................................................................................................19 后澆帶施工措施 ..............................................................................................................................20 后澆帶的留設 ..........................................................................................................................20 后澆帶的防護 ..........................................................................................................................21 后澆帶的排污措施 ..................................................................................................................21 .........................................................................................................................21 xxxxxxxxxxxxxxxxxxxxxxxxx 施工總承包工程 底板 大體積混凝土 施工方案 xxxxxxxxxxxxxxxxxxxxxxxxxx 有限公司 2 技術準備 ................................................................................................................................22 鋼筋綁扎 ................................................................................................................................22 底板大體積混 凝土澆筑專項措施 ...............................................................................................22 原材料方面采取的措施 .......................................................................................................22 施工方面采取的措施 ....................................................................................................23 混凝土泌 水處理和表面處理 .......................................................................................23 六、大體積混凝土水化熱計算 ..................................................................................................................24 計算依據(jù) ...........................................................................................................................................24 計算條件 ...........................................................................................................................................24 混凝土絕熱溫升 ...............................................................................................................................24 混凝土拌合溫度（出罐溫度） .................................