【正文】 ） 支架法施工方案 卡號(hào)： 670844137605 口令： 4534 審 批： 審 核： 編 制： 中國(guó)水電集團(tuán)京滬高速鐵路土建工程 三標(biāo)項(xiàng)目經(jīng)理部六工區(qū)（八局） 二○○九年三月 1 目 錄 概述 ................................................................................................... 5 工程概況 ..................................................................................... 5 地質(zhì)條件 ..................................................................................... 6 氣候條件 ..................................................................................... 6 其他 ............................................................................................. 6 編制依據(jù) ........................................................................................... 7 主要結(jié)構(gòu)及工程量 ............................................................................ 8 施工前準(zhǔn) 備 ....................................................................................... 9 現(xiàn)場(chǎng)調(diào)查 ..................................................................................... 9 技術(shù)準(zhǔn)備 ................................................................................... 10 物資準(zhǔn)備 ................................................................................... 10 對(duì)外協(xié)調(diào)準(zhǔn)備 ............................................................................ 11 施工組織規(guī)劃 ................................................................................. 11 、施工組織機(jī)構(gòu) ......................................................................... 11 、隊(duì)伍安排及任務(wù)劃分 ............................................................. 12 、資源配置 ................................................................................ 13 、現(xiàn)場(chǎng)施工部署 ......................................................................... 14 施工進(jìn)度計(jì)劃安排 .......................................................................... 15 總體施工方案 ................................................................................. 16 施工總方案 ............................................................................... 16 施工總流程 ............................................................................... 18 施工工藝、方法 .............................................................................. 21 支架施工 ................................................................................... 21 2 地基處理及支架基礎(chǔ)施工 ............................................... 21 支架搭設(shè)施工 ................................................................... 22 支架預(yù)壓方案 ................................................................... 25 支架拆除 ........................................................................... 28 門洞施工 ........................................................................... 29 支座安裝 ................................................................................... 30 支座布置 ........................................................................... 31 支座質(zhì)量驗(yàn)收 ................................................................... 32 支座安裝工藝 ................................................................... 32 模板安裝施工 ............................................................................ 34 底、側(cè)模的安裝 ............................................................... 34 端模安裝 ........................................................................... 35 內(nèi)模安裝 ........................................................................... 35 模板安裝允許誤差 ........................................................... 37 鋼筋及預(yù)應(yīng)力管道加工與安裝施工 ......................................... 37 鋼筋施工工藝流程 ........................................................... 38 鋼筋加工 ........................................................................... 39 鋼筋安裝 ........................................................................... 40 鋼筋保護(hù)層控制 ............................................................... 41 預(yù)應(yīng)力孔道 ....................................................................... 41 錨墊板安裝 ....................................................................... 42 混凝土施工工藝和方法 ............................................................ 42 混凝土配制 ....................................................................... 43 混凝土攪拌 ...................................................................... 43 混凝土運(yùn)輸 ...................................................................... 43 混凝土澆筑 ...................................................................... 44 3 梁體結(jié)構(gòu)外觀尺寸質(zhì)量標(biāo)準(zhǔn) ........................................... 47 混凝土試件的制作 ........................................................... 47 混凝土養(yǎng)護(hù) ...................................................................... 48 混凝土缺陷處理 ............................................................... 49 預(yù)應(yīng)力施工 ............................................................................... 49 預(yù)應(yīng)力施 工準(zhǔn)備 ............................................................... 50 預(yù)應(yīng)力管道安裝 ............................................................... 53 鋼絞線對(duì)的下料、編束及安裝 ........................................ 56 預(yù)應(yīng)力張拉 ....................................................................... 56 孔道壓漿及封錨 ............................................................... 58 封錨 ................................................................................. 64 質(zhì)量目標(biāo)及措施 .............................................................................. 64 質(zhì)量目標(biāo) ................................................................................... 64 質(zhì)量保證體系 ............................................................................ 64 、質(zhì)量管理制度措施 ................................................................. 66 施工質(zhì)量保 證措施 ........................................................................ 72 原材料質(zhì)量控制措施 .............................................................. 72 混凝土工程質(zhì)量保證措施 .................................