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    橋梁模板資訊

    關於福建懸臂澆築法掛籃施工!

    信息來源:www.sxylgc.cn | 發布時間:2020年11月09日

       一、福建懸臂澆築法掛籃施工掛籃拚裝
       

    懸臂澆築法掛籃施工


       待0#kuaishigongwanchenghoufangkejinxinggualanshigong。yiliangtizhongxinxianweijizhun,cankaogualanshejitu,fangyangzoudaozhongxinweizhi,anfangyangweizhianzhidizuo,daifangzhizoudaolianghou,goulunzuyuxianchuantaozaizoudaoshang,liyongliangtishuxiangyuyinglijingzhaluowengangbazoudaogudingzailiangshang,zaidimianchangdipinzhuanglingxingjiajipinglian,jiangpinzhuanghaodelingxingjiajinxingzhengtidiaozhuang,zaimeichuhoumaodianshangfangzhihoumaobiandanliang,後錨杆采用直徑32mm的精軋螺紋鋼。後錨杆的下端通過斜墊塊分別錨定在0#節jie段duan梁liang體ti上shang。門men架jia平ping聯lian間jian采cai用yong槽cao鋼gang進jin行xing焊han接jie連lian接jie固gu定ding,安an裝zhuang掛gua籃lan前qian上shang橫heng梁liang,然ran後hou在zai前qian上shang橫heng梁liang上shang相xiang應ying吊diao點dian位wei置zhi安an裝zhuang吊diao帶dai和he吊diao杆gan,以yi備bei安an裝zhuang導dao梁liang和he底di籃lan。安an裝zhuang底di籃lan係xi統tong,首shou先xian安an裝zhuang後hou下xia橫heng梁liang,後hou下xia橫heng梁liang采cai用yong梁liang底di吊diao帶dai進jin行xing固gu定ding,再zai安an裝zhuang前qian下xia橫heng梁liang,使shi前qian下xia橫heng梁liang處chu於yu掛gua籃lan前qian上shang橫heng梁liang正zheng下xia方fang,並bing迅xun速su將jiang事shi先xian穿chuan在zai掛gua籃lan前qian上shang橫heng梁liang上shang的de吊diao帶dai穿chuan入ru位wei於yu底di籃lan前qian下xia橫heng梁liang上shang部bu吊diao架jia中zhong,並bing采cai用yong配pei套tao銷xiao軸zhou錨mao固gu,再zai吊diao裝zhuang掛gua籃lan底di模mo縱zong梁liang,按an設she計ji圖tu紙zhi布bu置zhi。安an裝zhuang外wai模mo和he外wai導dao梁liang,先xian在zai地di麵mian把ba外wai導dao梁liang吊diao至zhi外wai模mo框kuang架jia內nei部bu相xiang應ying位wei置zhi,然ran後hou將jiang導dao梁liang和he外wai模mo采cai用yong螺luo栓shuan連lian接jie成cheng整zheng體ti,在zai翼yi板ban預yu留liu孔kong處chu安an裝zhuang好hao滑hua架jia,將jiang外wai模mo和he外wai導dao梁liang一yi並bing起qi吊diao,導dao梁liang前qian段duan通tong過guo吊diao杆gan吊diao掛gua在zai掛gua籃lan前qian上shang橫heng杆gan上shang,後hou端duan則ze通tong過guo滑hua架jia並bing通tong過guo他ta吊diao掛gua在zai梁liang體ti翼yi板ban上shang,根gen據ju設she計ji圖tu紙zhi安an裝zhuang掛gua籃lan操cao作zuo平ping台tai。
       
       二、1#塊梁體澆築
       
       按梁體自重的1.2倍重量對模板和掛籃係統進行加載預壓,以消除非彈性變形和記錄彈性變形,待係統穩定後方可卸載,進行1#節段梁底板和腹板位置鋼筋綁紮和預應力管道安裝後,安裝內導梁和內側模,通過吊杆固定在頂板上,調整標高至正確位置,再進行1#節段頂板位置鋼筋綁紮和預應力管道安裝,然後按照圖紙放置預埋件和預留孔,然後澆築混凝土,在混凝土達到設計強度、彈性模量及齡期要求後,進行梁體預應力張拉、壓漿作業。
       
       三、掛籃前移
       
       1#節(jie)段(duan)梁(liang)體(ti)澆(jiao)築(zhu)完(wan)畢(bi)且(qie)預(yu)應(ying)力(li)張(zhang)拉(la)結(jie)束(shu)後(hou),掛(gua)籃(lan)按(an)以(yi)下(xia)步(bu)驟(zhou)精(jing)心(xin)脫(tuo)模(mo)和(he)前(qian)移(yi),鋪(pu)設(she)墊(dian)梁(liang),鋪(pu)設(she)軌(gui)道(dao)及(ji)壓(ya)梁(liang),重(zhong)新(xin)錨(mao)固(gu)好(hao)軌(gui)道(dao),拆(chai)除(chu)內(nei)箱(xiang)後(hou)吊(diao)杆(gan)放(fang)鬆(song)前(qian)後(hou)吊(diao)杆(gan),使(shi)底(di)膜(mo)脫(tuo)落(luo),當(dang)底(di)模(mo)麵(mian)板(ban)離(li)開(kai)混(hun)凝(ning)土(tu)麵(mian)10cm左(zuo)右(you)時(shi)停(ting)止(zhi),以(yi)同(tong)樣(yang)的(de)方(fang)式(shi)拆(chai)除(chu)底(di)籃(lan)後(hou),拆(chai)除(chu)橫(heng)梁(liang)在(zai)梁(liang)體(ti)上(shang)的(de)錨(mao)杆(gan),使(shi)底(di)模(mo)完(wan)全(quan)脫(tuo)離(li)梁(liang)體(ti),使(shi)千(qian)斤(jin)頂(ding)牽(qian)引(yin)掛(gua)籃(lan)主(zhu)桁(heng),將(jiang)掛(gua)籃(lan)移(yi)至(zhi)位(wei)置(zhi),重(zhong)新(xin)將(jiang)後(hou)錨(mao)杆(gan)錨(mao)固(gu),重(zhong)新(xin)安(an)裝(zhuang)好(hao)掛(gua)籃(lan)底(di)籃(lan)後(hou),下(xia)橫(heng)梁(liang)錨(mao)固(gu)吊(diao)帶(dai)。並(bing)進(jin)行(xing)鋼(gang)筋(jin)綁(bang)紮(zha)、預應力施工及混凝土澆築施工。