【正文】 .........................................1 編制原則 .................................................................................................................................1二、工程概況 ....................................................................................................................................2三、工程地質(zhì)、水文地質(zhì)情況 ........................................................................................................3 地形地貌 .................................................................................................................................3 地質(zhì)、水文 .............................................................................................................................3 氣象概況 .................................................................................................................................3 周邊環(huán)境 .................................................................................................................................3四、總體施工安排 ............................................................................................................................4 施工進度計劃 .........................................................................................................................4 施工人員情況 .........................................................................................................................4 機械設(shè)備 .................................................................................................................................5 施工場地布置 .........................................................................................................................5五、箱涵施工方案 ............................................................................................................................6 箱涵工程施工工藝流程 .........................................................................................................6 定位放線 ..................................................................................................................................7 基坑 開挖 ..................................................................................................................................7 鋼板樁支護開挖施工 .............................................................................................................8 墊層施工 ................................................................................................................................12 鋼筋制作與安裝 ....................................................................................................................13 模板工程 ................................................................................................................................16 混凝土澆注工程 ....................................................................................................................17 箱涵基坑回填 ........................................................................................................................19 基坑土 方開挖常見問題及處理措施 .................................................................................20六、鋼板樁圍護結(jié)構(gòu)計算書 ..........................................................................................................21七、基坑監(jiān)測 ..................................................................................................................................24 基坑監(jiān)測的目的 ...................................................................................................................24 監(jiān)測內(nèi)容 ...............................................................................................................................25 監(jiān)測精度要求 .......................................................................................................................25 施工監(jiān)測組織機構(gòu) ...............................................................................................................25 施工監(jiān)測數(shù)據(jù)處理及信息反饋 ...........................................................................................26 控制地面下沉、防止建筑物下沉開裂措施 .......................................................................27八、基坑巡查措施 ..........................................................................................................................27九、安全保證措施 ..........................................................................................................................28 安全保證組織機構(gòu) ...............................................................................................................28 基坑開挖安全保證措施 .......................................................................................................292 / 73 基坑開挖分級預(yù)警制度及應(yīng)對措施 ...................................................................................30 具體安全保證措施 ...............................................................................................................30十、基坑開挖應(yīng)急預(yù)案 ..................................................................................................................34 工程風(fēng)險源分析 ..................................................................................................................34 應(yīng)急領(lǐng)導(dǎo)小組及人員分工 .................................................................................................35 應(yīng)急救援物資 .....................................................................................................................35 突發(fā)事件搶險程序 .............................................................................................................36 突發(fā)事件應(yīng)急搶險具體措施 .............................................................................................36十一、雨季施工措施 ......................................................................................................................40十二、質(zhì)量保證體系及措施 ..........................................................................................................40 質(zhì)量保證體系及質(zhì)量目標(biāo)的實現(xiàn) ......................................................................................40 質(zhì)量保證措施 ............................................................................................................