鋼波紋管施工(gong)的(de)(de)關鍵(jian)(jian)的(de)(de)環節便(bian)是(shi)將涵(han)管(guan)進(jin)行(xing)就(jiu)位,將涵(han)管(guan)兩邊進(jin)行(xing)分層(ceng)回填,并要(yao)(yao)檢測壓實(shi)度(du)、含水量(liang)等,進(jin)出口處理工(gong)作。鋼(gang)波紋管(guan)涵(han)洞(dong)的(de)(de)施工(gong)時應留意以下關鍵(jian)(jian):應對施工(gong)的(de)(de)時節進(jin)行(xing)嚴格(ge)操控(kong),盡量(liang)避免在(zai)冰(bing)(bing)凍(dong)(dong)時節進(jin)行(xing)施工(gong),冰(bing)(bing)凍(dong)(dong)時節對工(gong)程(cheng)施工(gong)質量(liang)有著嚴峻的(de)(de)影(ying)響,在(zai)寒(han)冷冰(bing)(bing)凍(dong)(dong)天氣施工(gong)不只要(yao)(yao)嚴格(ge)要(yao)(yao)求根底填換材(cai)料。
并(bing)且還要嚴格(ge)操(cao)控粉粘粒含量(liang)制(zhi),不然就會(hui)呈(cheng)現涵管嚴峻損壞(huai)的情況。其施(shi)工(gong)(gong)工(gong)(gong)藝流(liu)程較(jiao)為特別(bie),在施(shi)工(gong)(gong)前要進行(xing)以下工(gong)(gong)作:施(shi)工(gong)(gong)前預備(bei)、施(shi)工(gong)(gong)放樣、設置圍堰、排水(shui)清淤以及(ji)平整場所等(deng)。
在施工(gong)工(gong)作中(zhong)要對其壓實(shi)度、含水(shui)(shui)量進(jin)行檢(jian)測(ce)(ce)(ce),接(jie)著(zhu)對水(shui)(shui)準進(jin)行丈量,基(ji)于此,對施工(gong)根底進(jin)行分層(ceng)回填,檢(jian)測(ce)(ce)(ce)壓實(shi)度、含水(shui)(shui)量等,接(jie)著(zhu)要組裝管節,對工(gong)程的密水(shui)(shui)情況及管底縱坡(po)進(jin)行檢(jian)測(ce)(ce)(ce),并對防腐涂(tu)層(ceng)進(jin)行檢(jian)測(ce)(ce)(ce)與補救(jiu)。
(1)鋼波紋(wen)管習(xi)慣地基變形能(neng)力(li)強,對地基承載能(neng)力(li)、平整度要求較(jiao)低,工程實踐造價(jia)比同類(lei)跨徑的橋、涵洞相近或較(jiao)低。
(2)鋼波紋管(guan)施(shi)工工期(qi)短是明顯的優勢,土建工程與管(guan)節(jie)裝置可分隔施(shi)行,然后(hou)進行整(zheng)體組裝。
(3)鋼(gang)波紋管(guan)進行(xing)工廠(chang)集中化(hua)生(sheng)(sheng)產,生(sheng)(sheng)產不受環(huan)境影(ying)響,有(you)利降低成本、操控質量。
(4)現場裝(zhuang)置方便,不需運用大型設備。
澆筑砼時,阻止對著波紋管涵斜放,攪拌棒阻止與波紋管涵觸碰,阻止兩個攪拌棒夾著一根波紋管涵攪拌。特別是腹板攪拌時,阻止攪拌棒在同一個當地長時刻攪拌,攪拌時刻不得超越20秒。//hanihanbj.com/
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