【正文】 起點(diǎn) 15m范圍內(nèi)由 10m漸變?yōu)?6m。 變更設(shè)計(jì)概況 2020 年 3月至 6月間，韶關(guān)多日連降大雨、暴雨，局部段落擋墻及護(hù)坡開始逐漸發(fā)生變形。 DK178+055～ DK178+ 右側(cè)擋墻以上塹坡、 DK178+040～DK178+ 左側(cè)擋墻以上塹坡采用 水泥砂漿砌片石變截面護(hù)墻防護(hù)，坡率1:；護(hù)墻及擋墻以上塹坡采用 水泥砂漿砌片石拱型骨架防護(hù)，坡率1:。 編制范圍 工點(diǎn)起迄里程 DK178＋ 030～ DK178＋ 430。 （ 4） 項(xiàng)目部現(xiàn)有的管理水平、勞務(wù)設(shè)備技術(shù)能力，以及長(zhǎng)期從事鐵路建設(shè)所積累的豐富的橋梁施工方面的經(jīng)驗(yàn)。 （ 2） 國(guó)家及鐵道部 現(xiàn)行標(biāo)準(zhǔn)技術(shù)規(guī)范、驗(yàn)標(biāo)及有關(guān)法律、法規(guī) 。 附圖 6右側(cè)施工 段劃分 示意圖 .................................................... 錯(cuò)誤 !未定義書簽。 附 圖 4深路塹支擋防護(hù)工程進(jìn)度網(wǎng)絡(luò)圖 .................................... 錯(cuò)誤 !未定義書簽。1 目 錄 、編制范圍及設(shè)計(jì)概況 ................................................................................ 1 編制依據(jù) ................................................................................................................. 1 編制范圍 ................................................................................................................. 1 設(shè)計(jì)概況 ................................................................................................................. 1 ........................................................................................................................ 2 主要工作內(nèi)容和數(shù)量 ............................................................................................. 2 工程特點(diǎn) ................................................................................................................. 3 ................................................................................................ 3 自然地理特征 ......................................................................................................... 3 交通運(yùn)輸條件 ......................................................................................................... 3 沿線水源、電源等可資利用情況 ......................................................................... 4 當(dāng)?shù)亟ㄖ牧系姆植记闆r ..................................................................................... 4 ................................................................................................................ 4 施工總體目標(biāo) ......................................................................................................... 4 施工組織機(jī)構(gòu)、隊(duì)伍部署和任務(wù)劃分 ................................................................. 4 總體施工安排 ......................................................................................................... 6 ........................................................................................................................ 6 施工便道 ................................................................................................................. 6 混凝土集中拌合站 ................................................................................................. 6 臨時(shí) 房屋 ................................................................................................................. 6 臨時(shí)電力線路 ......................................................................................................... 6 ........................................................................................................................ 6 總體施工方案 ......................................................................................................... 6 拱形骨架施工流程及方法 ..................................................................................... 7 孔窗護(hù)坡施工流程及方法 ..................................................................................... 9 擋墻加固施工 ....................................................................................................... 10 擋墻靜態(tài)爆破施工流程及方法 ....................................................................... 10 預(yù)應(yīng)力錨索施工流程及方法 ........................................................................... 11 墻背排水施工 ................................................................................................... 15 注漿施工 ........................................................................................................... 15 擋墻變形觀測(cè)施工 ............................................................................................... 16 塌方地段施工 ....................................................................................................... 17 .............................................................................................................. 18 主要工程材料設(shè)備采購(gòu)供應(yīng)方案 ....................................................................... 18 關(guān)鍵施工裝備的數(shù)量及進(jìn)場(chǎng)計(jì)劃 ....................................................................... 18 勞動(dòng)力計(jì)劃 ........................................................................................................... 18 ...................................................................................................................... 18 2 標(biāo)準(zhǔn)化管理 ........................................................................................................... 18 質(zhì)量管理措施 ....................................................................................................... 19 安全管理措施 ....................................................................................................... 23 工期控制措施 ....................................................................................................... 24 環(huán)保、水保措施 ................................................................................................... 26 文明施工措施 ....................................................................................................... 26 雨季施工保證措施 ............................................................................................... 31 預(yù)警機(jī)制和應(yīng)急預(yù)案 ........................................................................................... 32 信息化管理 ......................................................................................................... 34 其他 ..................................................................................................................... 36 ...................................................................................... 36 驗(yàn)收標(biāo)準(zhǔn) ..........