【正文】 后張預(yù)應(yīng)力梁施工方案后張預(yù)應(yīng)力梁施工方案編制說明預(yù)應(yīng)力分項(xiàng)工程是本工程結(jié)構(gòu)主體分部、混凝土結(jié)構(gòu)子分部中的一項(xiàng)特殊過程，為保證預(yù)應(yīng)力分項(xiàng)工程的施工質(zhì)量，根據(jù)設(shè)計(jì)圖紙、招標(biāo)文件、投標(biāo)文件、施工組織設(shè)計(jì)和現(xiàn)行施工質(zhì)量驗(yàn)收標(biāo)準(zhǔn)，結(jié)合現(xiàn)場實(shí)際情況編制了混凝土施工方案，本方案是本工程專業(yè)技術(shù)方案之一，主要由編制依據(jù)、工程概況、施工計(jì)劃、施工準(zhǔn)備、施工技術(shù)措施、質(zhì)量保證措施、職業(yè)健康安全和環(huán)境保證措施等內(nèi)容組成。本施工方案主要針對預(yù)應(yīng)力混凝土施工過程中特有的、關(guān)鍵的技術(shù)質(zhì)量問題，其他如腳手架、垂直運(yùn)輸和施工進(jìn)度計(jì)劃等應(yīng)執(zhí)行本工程的《施工組織設(shè)計(jì)》和相應(yīng)的施工方案及作業(yè)指導(dǎo)書。目 錄1 編制依據(jù)............................................................ ......................... ........12 工程概況............................................................ ............... ..................2 工程簡介.............................................................. ........................ 2 結(jié)構(gòu)設(shè)計(jì)要求.................................................................................2 主要工程量清單.............................................................................43 施工計(jì)劃..............................................................................................5 勞動(dòng)力計(jì)劃....................................................................................5 施工機(jī)械設(shè)備計(jì)劃.........................................................................64施工準(zhǔn)備................................................................................................7 材料準(zhǔn)備....................................................................................... 7 機(jī)具、設(shè)備選型...............................................................................8 技術(shù)準(zhǔn)備....................................................................................... 85施工方案..............................................................................................12 工藝流程......................................................................................12 模板支設(shè)......................................................................................12 安裝波紋管..................................................................................13 混凝土澆筑..................................................................................13 預(yù)應(yīng)力鋼絞線制作、穿束..............................................................14 預(yù)應(yīng)力鋼絞線張拉.......................................................................14 孔道灌漿、封錨.............................................................................186 質(zhì)量保證措施.................................................................................. .20 質(zhì)量檢驗(yàn)計(jì)劃...............................................................................20 質(zhì)量保證體系...............................................................................23 質(zhì)量問題的解決...........................................................................23 成品保護(hù)......................................................................................24 質(zhì)量記錄......................................................................................247 職業(yè)健康安全保證措施.......................................................................26 基本規(guī)定......................................................................................26 危險(xiǎn)物品的使用...........................................................................26 鋼絞線制作安裝張拉....................................................................27 灌漿.............................................................................................288 環(huán)境保護(hù)措施.....................................................................................29 環(huán)境因素的識別...........................................................................29 環(huán)境污染預(yù)防...............................................................................299 附錄....................................................................................................32 1 編制依據(jù)施工合同施工圖紙本工程施工組織設(shè)計(jì)混凝土結(jié)構(gòu)施工圖平面整體表示方法制圖規(guī)則和構(gòu)造詳圖（03G1011）建筑工程施工質(zhì)量驗(yàn)收統(tǒng)一標(biāo)準(zhǔn)（GB503002001）混凝土結(jié)構(gòu)工程施工質(zhì)量驗(yàn)收規(guī)范（GB502042002）預(yù)應(yīng)力混凝土用鋼絞線（GB/T52242003）預(yù)應(yīng)力混凝土用金屬螺旋管（GB/T301394）預(yù)應(yīng)力筋用錨具、夾具和連接器（GB/T143702007）預(yù)應(yīng)力筋用錨具、夾具和連接器應(yīng)用技術(shù)規(guī)程（JGJ852010）混凝土結(jié)構(gòu)設(shè)計(jì)規(guī)范（GB500102010）預(yù)拌混凝土（GB149022003）建設(shè)工程施工現(xiàn)場供用電安全規(guī)范（GB5019493）建筑