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雙線特大橋0塊施工方案-展示頁(yè)

2025-07-17 15:57本頁(yè)面
  

【正文】 .................................................................................... 12 支座及臨時(shí)支墩安裝 .............................................................................................................................. 15 模板工程 .................................................................................................................................................... 16 0#塊支架 預(yù)壓 .......................................................................................................................................... 18 0塊鋼筋的制安 ........................................................................................................................................ 19 0塊砼的澆筑 ............................................................................................................................................. 20 ....................................................................................................................................................21 施 工質(zhì)量目標(biāo) ............................................................................................................................................................ 21 施工質(zhì)量控制要點(diǎn) ................................................................................................................................................... 21 加強(qiáng)作業(yè)人員的施工質(zhì)量教育培訓(xùn) ..................................................................................................... 21 模板表面處理 ............................................................................................................................................. 21 模板接縫處理 ............................................................................................................................................. 21 0塊混凝土澆筑時(shí)間 ............................................................................................................................ 22 安全控制目標(biāo) ............................................................................................................................................................ 22 XXXX 蘭渝鐵路 LYS14 標(biāo)項(xiàng)目部二分部新臨渡河雙線特大橋懸灌梁 0塊施工方案 2 施工安全控制措施 ................................................................................................................................................... 23 落實(shí)安全生產(chǎn)責(zé)任制 ............................................................................................................................... 23 施工現(xiàn)場(chǎng)安全技術(shù)措施 ........................................................................................................................... 23 供電與電器設(shè)備安全措施 ...................................................................................................................... 25 機(jī)械設(shè)備使用安全措施 ........................................................................................................................... 26 高處施工作業(yè)安全技術(shù)措施 .................................................................................................................. 27 防雨、防臺(tái)風(fēng)、防雷擊安全措施 ......................................................................................................... 28 附錄:懸臂梁 0塊托架驗(yàn)算書 .............................................................................................................................................30 1.計(jì)算依據(jù): ................................................................................................................................................................ 33 2.工程概況: ................................................................................................................................................................ 33 3. 0塊混凝土計(jì)算: ................................................................................................................................................... 33 懸挑部分: ............................................................................................................................................................... 33 墩頂部分: ............................................................................................................................................................... 34 4. 荷載計(jì)算: ................................................................................................................................................................ 35 荷載組合: ............................................................................................................................................................... 35 I16 工字鋼驗(yàn)算: .................................................................................................................................................. 35 橋墩托架驗(yàn)算: ....................................................................................................................................................... 41 托架修改意見(jiàn): ....................................................................................................................................................... 45 托架與墩身連接點(diǎn)處強(qiáng)度驗(yàn)算: ...................................................................................................................... 47 ( 32+56+32) m 懸臂連續(xù)梁 0塊施工方案 、新臨渡河雙線特大橋( 32+56+32) m 連續(xù)梁施工圖; 、國(guó)家及鐵道部現(xiàn)行的有關(guān)設(shè)計(jì)規(guī)范、施工規(guī)范(指南)、施工工程質(zhì)量驗(yàn)收標(biāo)準(zhǔn)、試驗(yàn)規(guī)程、安全規(guī)則等; 、《客運(yùn)專線鐵路工程施工質(zhì)量驗(yàn)收標(biāo)準(zhǔn) 應(yīng)用指南》; 、《客運(yùn)專線鐵路橋涵工程施工質(zhì)量驗(yàn)收暫行標(biāo)準(zhǔn)》 (鐵建設(shè)( 20xx) 160 號(hào) ); 、《客運(yùn)專線鐵路橋涵工程施工技術(shù)指南》 (TZ21320xx); 、《鐵路混凝土工程施工技術(shù)指南》 (TZ21020xx); 、對(duì)當(dāng)?shù)丨h(huán)境及現(xiàn)場(chǎng)調(diào)查所獲取的有關(guān)資料。 、我公司的科技成果、機(jī)械設(shè)備、施工技術(shù)、管理水平及類似施工經(jīng)驗(yàn)。施工里程 DK893+~ DK894+。橋位處上覆第四系全新人工填筑土坡殘積粉質(zhì)黏土及沖積層卵石土,下伏侏羅系中統(tǒng)下沙溪廟組、新田溝組及中下組自流井組泥巖夾砂巖、砂巖,大橋持力層為泥巖夾砂巖地層。雙線,有碴軌道。 : 16*32m +( 32+ 56+ 32) m+ 7*32m+1*24m。 : 簡(jiǎn)支梁橋墩采用圓端形橋墩,本橋 16~19 號(hào)墩為連續(xù)梁橋墩。 橋面寬度:梁頂面寬 。梁體沿線路中心線布置,相應(yīng)的梁體輪廓圖均為沿線路中心線的展開(kāi)尺寸,位于曲線段時(shí),梁體輪廓、普通鋼筋、預(yù)應(yīng)力鋼束及管道均以線路中心線為基準(zhǔn)線沿徑向依據(jù)曲率進(jìn)行相應(yīng)的調(diào)整,支座亦按徑向布置。軌底至梁頂高度為 全橋箱梁頂寬 ,箱底寬 6m。底板厚 39~70cm,在梁高變化段范圍內(nèi)按拋物線變化,邊跨端塊處底板厚由 39cm 漸變 5 至 80cm;腹板厚 35~70cm,按折線變化,邊跨端塊處腹板厚由 35cm漸變至 50cm。 全橋共分 31個(gè)梁段 ,中支點(diǎn) 0梁段長(zhǎng)為 12m,一般梁段長(zhǎng)為 、
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