橋梁橋墩傾斜後的四川橋梁糾偏移位方法:
介於上一期小編介紹了橋梁的糾偏移位方法,本期有另一種方式告訴您:本文明公開了一種橋墩傾斜後的糾偏複位方法,
步驟為1:消除使橋墩產生傾斜的各種作用力;2:對待糾偏橋墩糾偏反方向的所有橋跨的上部結構進行臨時固結以形成一個受力整體;3:在待糾偏橋墩頂部安裝頂升裝置,由頂升裝置將上部梁體頂升;4:在第3步頂升形成的間隙內設置臨時滑動支座;5:在zai待dai糾jiu偏pian橋qiao墩dun和he其qi上shang的de梁liang體ti間jian設she置zhi反fan力li架jia和he糾jiu偏pian千qian斤jin頂ding,由you糾jiu偏pian千qian斤jin頂ding橫heng向xiang推tui上shang部bu梁liang體ti,通tong過guo推tui上shang部bu梁liang體ti產chan生sheng的de反fan作zuo用yong力li將jiang待dai糾jiu偏pian橋qiao墩dun推tui到dao豎shu直zhi位wei置zhi;6:較後恢複原狀。本發明解決了巨大糾偏力量的傳力和承受難題,同時將糾偏推力成倍減少,施工方便、施工周期短、成本低。
本文涉及橋梁維修技術,具體指一種梁橋橋墩傾斜後的橋梁糾偏移位方法,屬於橋梁養護加固施工
在現有橋梁結構形式中,有梁橋、拱橋、斜拉橋、吊(diao)橋(qiao)及(ji)組(zu)合(he)結(jie)構(gou)橋(qiao)梁(liang),其(qi)中(zhong)以(yi)梁(liang)橋(qiao)較(jiao)為(wei)常(chang)見(jian)。梁(liang)橋(qiao)在(zai)施(shi)工(gong)和(he)營(ying)運(yun)過(guo)程(cheng)中(zhong),本(ben)來(lai)自(zi)身(shen)垂(chui)直(zhi)的(de)橋(qiao)墩(dun)會(hui)出(chu)現(xian)縱(zong)向(xiang)傾(qing)斜(xie)現(xian)象(xiang),產(chan)生(sheng)這(zhe)種(zhong)現(xian)象(xiang)一(yi)般(ban)有(you)以(yi)下(xia)原(yuan)因(yin):
1、基礎位置對橋墩施加了水平側壓力。
rumouxieqiaodunxuyaojinxingyanmaichuli,danzaitianzhutushifangshiweiyangeanzhaoduichengfencengshigong,shigongzhongzhiduiluchuangneicedetufangjinxingnianya,shigongjijujitufangchanshengdejudatuyalizhijiezuoyongzaiqiaodundeneice,jiaozhongdaozhiqiaodunshoulixianglingyigefangxiangfashengqingxie。yanzhongshiqiaodunzongxiangqingxiekedashushilimi。
2、上部結構(也即梁體)對橋墩施加了水平推力。
zailiangqiaojiegouzhong,qiaodunshangfangshigailiang,gailiangheliangtizhijianweizhizuojiegou,gailiangyuzhizuozhijianweizhizuodianshi,qiaoliangzhizuodianshiyuqiaoliangzhizuozhijianyijiliangtihezhizuozhijianweigangban。zhengchangqingkuangxia,qiaoliangzhizuochuyushuipingzhuangtai,shangbujiegouduiqiaodunshijiazhengxiangxiayali,shuzhixiangxiadezhongliyouzhizuochengdan,zhizuochubuhuichanshengshuipingfenli。danshidangliangdigangbanweianzhuangshuiping,qiaodunshangbuzhizuocunzaipianyaxianxiang,liangtidezizhonghuizaizhizuochuchanshengyigeshuipingfenliF,水平分力F的出現就可能使橋墩傾斜。
目mu前qian橋qiao墩dun傾qing斜xie事shi故gu並bing不bu多duo見jian,處chu理li方fang法fa也ye少shao有you研yan究jiu。其qi中zhong一yi種zhong方fang法fa是shi在zai地di上shang或huo者zhe橋qiao台tai設she置zhi地di錨mao,利li用yong鋼gang絲si繩sheng或huo者zhe鋼gang絞jiao線xian與yu穿chuan心xin式shi千qian斤jin頂ding配pei合he,橋qiao梁liang糾jiu偏pian移yi位wei,但dan是shi施shi工gong難nan度du大da,措cuo施shi複fu雜za,施shi工gong成cheng本ben高gao。
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