【正文】 104 國道連江至?xí)x安段改線工程 (縱二線） 琯頭嶺隧道連江側(cè)至琯頭互通 A2 段YK4+ 箱涵施工方案 中國建筑股份有限公司 104 國道連江至?xí)x安段改線工程第 I 項目經(jīng)理部二〇一四年八月二十七日。可編輯修改目 錄一、編制依據(jù) ..................................................................................................................1二、工程概況及水文地質(zhì)情況 ......................................................................................1三、施工組織 ..................................................................................................................施工工藝圖框 ......................................................................................................資源配置 ..............................................................................................................勞動力配置 .......................................................................................................材料計劃 ...........................................................................................................設(shè)備計劃 ...........................................................................................................進(jìn)度指標(biāo)和計劃安排 .......................................................................................4四、箱涵施工一般規(guī)定 ..................................................................................................5五、箱涵施工方法 ..........................................................................................................施工前準(zhǔn)備 ..........................................................................................................基坑開挖和處理 ..................................................................................................涵身基礎(chǔ)施工 ......................................................................................................涵身底板和部分墻體鋼筋與模板施工 ..............................................................涵身底板和部分墻體（第一次）砼施工 ..............................................................涵墻身鋼筋制作及安裝 ......................................................................................涵墻身模板安裝 ..................................................................................................箱涵頂板模板安裝 ..............................................................................................箱涵頂板鋼筋制作及安裝 ................................................................................10?？删庉嬓薷摹⑾浜敯搴蛪ι恚ǖ诙危┗炷潦┕?..........................................................砼養(yǎng)護 ..............................................................................................................1模板、支架拆除 ...............................................................................................1沉降縫防水層施工 ..........................................................................................1翼墻施工 ..........................................................................................................1涵背回填施工 ..................................................................................................14六、施工技術(shù)要求 ........................................................................................................15七、質(zhì)量保證措施 ........................................................................................................1基本要求 ............................................................................................................1實測項目及外觀鑒定 ........................................................................................1箱涵 實測項 目， 詳見 表 71.........................................................................1鋼 筋 焊 接、 綁 扎， 詳見 下表 .........................................................................1外 觀鑒 定 ......................................................................................................18八、施工安全及注意事項 ............................................................................................1安全措施 ............................................................................................................1注意事項 ............................................................................................................20九、文明施工措施 ........................................................................................................21十、環(huán)境保護措施 ........................................................................................................21十一、 附箱涵支架計算書 ....................