【正文】 ，完成裝車。 3） 提升： 履帶吊站在 K4 跨 便道 南 側(cè) ， 停在需要架設(shè)的準(zhǔn)確位置，履帶吊旋轉(zhuǎn)吊鉤至吊裝孔上方，現(xiàn)場(chǎng)工人把吊裝鋼絲繩穿過(guò)梁底，與吊鉤連接好以后，起重機(jī) 預(yù) 提升， 滿足 安全后繼續(xù)提升箱梁，箱梁提升高度至少超過(guò)蓋梁高程 1m,滿足吊著箱梁不影響行駛。 5 4 支座四角 高差 (mm) 承壓力≤ 500kN ＜ 1 5 承壓力 500kN ＜ 2 6 支座上下各部件縱軸線 (mm) 必須對(duì)正 7 活動(dòng)支座 順橋向最大位移 (mm) 177。 對(duì)架設(shè)箱梁進(jìn)行實(shí)際長(zhǎng)度測(cè)量，根據(jù)實(shí)測(cè)長(zhǎng)度結(jié)合設(shè)計(jì)長(zhǎng)度在蓋梁頂面放線，控制箱梁梁端位置線。 詳見(jiàn)附件 履帶吊 行駛受力 表層 淤泥質(zhì)粉質(zhì)粘土 采用 毛石進(jìn)行 換填 壓實(shí)，表面填筑一層 50cm 厚的碎石 找平 碾壓夯實(shí)。 安裝試架時(shí)間：根據(jù)施工計(jì)劃，擬在 20xx年 2月 7 日 8： 00~8:20進(jìn)行吊裝試吊，總試架時(shí)間為 20min。 安全小組的任務(wù)和職責(zé) 1） 貫徹執(zhí)行上級(jí)各項(xiàng)安全法規(guī)規(guī)程；定期召開(kāi)安全工作會(huì)議；總結(jié)和布置安全生產(chǎn)工作；制訂本項(xiàng)目各項(xiàng)安全制度規(guī)定；落實(shí)安全責(zé)任制；組織安全教育培訓(xùn)；開(kāi)展安全檢查等。根據(jù)總體進(jìn)度計(jì)劃編制設(shè)備進(jìn)場(chǎng)計(jì)劃，保證按時(shí)進(jìn)場(chǎng)，足量到位。商合杭鐵路 ***長(zhǎng)江公鐵大橋工程公路接線跨越寧蕪、 ***橋箱梁架設(shè)專項(xiàng)方案 ******工程指揮部 1 目 錄 1 編制依據(jù) ......................................................................................................................................................................... 1 ....................................................................................................................................................................... 1 ....................................................................................................................................................................... 1 ....................................................................................................................................................................... 1 2 工程概況 ......................................................................................................................................................................... 1 ....................................................................................................................................................................... 1 ....................................................................................................................................................................... 2 3 施工總體方案 ................................................................................................................................................................ 2 .............................................................................................................................................................. 2 .............................................................................................................................................................. 3 .............................................................................................................................................................. 4 施工用電 ..........................................................................................................................................................4 施工便道 ..........................................................................................................................................................4 施工通訊 ..........................................................................................................................................................4 ..................................................................................................................................................... 4 ....................................................................................................................................................................... 5 4 施工建設(shè)目標(biāo) ................................................................................................................................................................ 5 ....................................................................................................................................................................... 5 ....................................................................................................................................................................... 5 ....................................................................................................................................................................... 5 .............................................................................................................................................................. 5 5 安全保證體系 ................................................................................................................................................................ 6 ....................................................................................................................................................................... 6 ..................................................................................................................................................... 6 ............................................................................................................................................ 6 6 施工組織 ......................................................................................................................................................................... 7 ....................................................................................................................................................................... 7 試架 ....................................................................................................................................................................... 7 吊裝過(guò)程的模擬 .............................................................................................................................................7 指揮系統(tǒng)及施工配合系統(tǒng)的模擬與演練 ..................................................................................................8 試架系統(tǒng)的演練 .............................................................................................................................................8 ............................