鋼制波紋涵管應用(yong)于公(gong)(gong)路養(yang)護工(gong)(gong)(gong)程時(shi)，待(dai)涵身及洞(dong)(dong)口主體部件運至施(shi)工(gong)(gong)(gong)現場(chang)后(hou)，施(shi)工(gong)(gong)(gong)單(dan)位才能(neng)開(kai)(kai)始拆(chai)除舊(jiu)涵洞(dong)(dong)的(de)工(gong)(gong)(gong)作(zuo)(zuo)，在拆(chai)除舊(jiu)涵洞(dong)(dong)的(de)同時(shi)，抓緊基礎(chu)材(cai)料的(de)備(bei)料工(gong)(gong)(gong)作(zuo)(zuo)，備(bei)料完(wan)成，并經檢驗(yan)合格后(hou)方(fang)可進行基坑的(de)開(kai)(kai)挖工(gong)(gong)(gong)作(zuo)(zuo)。金屬波紋涵管應用(yong)于新建公(gong)(gong)路工(gong)(gong)(gong)程時(shi)，在定購涵管的(de)同時(shi)可抓緊基礎(chu)材(cai)料的(de)備(bei)料和(he)基坑的(de)開(kai)(kai)挖工(gong)(gong)(gong)作(zuo)(zuo)。

高(gao)速公路保護路段對鋼制波紋涵管的施(shi)工方法(fa)

進(jin)出(chu)口可采用(yong)由制造的(de)金(jin)屬波紋(wen)(wen)管節，有直管和與路基邊(bian)坡同坡率的(de)斜口兩(liang)種(zhong)形(xing)式；也可根據(ju)所在地(di)(di)區的(de)具體情況采用(yong)漿砌(qi)(qi)片(pian)石或(huo)干砌(qi)(qi)片(pian)石砌(qi)(qi)筑。一般在寒冷地(di)(di)區，采用(yong)金(jin)屬波紋(wen)(wen)管節或(huo)干砌(qi)(qi)片(pian)石。在其與河(he)床接頭處進(jin)出(chu)口地(di)(di)面及邊(bian)坡一定(ding)范圍內應設(she)置雙層漿砌(qi)(qi)片(pian)石或(huo)干砌(qi)(qi)片(pian)石鋪砌(qi)(qi)，以防止(zhi)沖刷(shua)。

鋼波紋涵(han)管價格

并作必要(yao)的防(fang)滲處(chu)理(li)；為防(fang)止路基(ji)(ji)土(tu)堵塞(sai)涵(han)洞洞口，在洞口與路堤交(jiao)匯處(chu)做一定高度和(he)厚度的漿砌(qi)片石(shi)(shi)或干砌(qi)片石(shi)(shi)墻(也可(ke)采用鉛(qian)絲石(shi)(shi)籠)防(fang)護。金屬波紋涵(han)管是一種柔性(xing)(xing)(xing)結構，波紋管在結構上(shang)具有(you)橫向補償位移的優良(liang)特性(xing)(xing)(xing)，可(ke)充(chong)分發(fa)揮鋼材抗拉(la)性(xing)(xing)(xing)能強、變(bian)形(xing)性(xing)(xing)(xing)能優越(yue)的特點，具有(you)較大(da)的抗變(bian)形(xing)和(he)抗沉降能力(li)，特別(bie)適合(he)于(yu)軟土(tu)、膨脹土(tu)、濕(shi)陷性(xing)(xing)(xing)黃土(tu)等地(di)(di)基(ji)(ji)承(cheng)載(zai)力(li)較低地(di)(di)區(qu)(qu)和(he)地(di)(di)震多發(fa)地(di)(di)區(qu)(qu)

涵(han)洞兩側(ce)經過低(di)洼(wa)積(ji)水地帶時(shi)(shi)(shi)．需要(yao)(yao)先設置圍堰、抽(chou)排積(ji)水，必要(yao)(yao)時(shi)(shi)(shi)還需要(yao)(yao)清除換(huan)填(tian)部分(fen)(fen)淤泥。泥石流(liu)(liu)堆積(ji)扇(shan)或(huo)分(fen)(fen)泌(mi)砂(sha)(sha)石流(liu)(liu)量大、流(liu)(liu)速高的區(qu)段(duan)。這(zhe)些區(qu)段(duan)泥砂(sha)(sha)或(huo)砂(sha)(sha)石的沖(chong)刷將形成對防腐材料或(huo)鋼(gang)結構的腐蝕，規(gui)(gui)劃時(shi)(shi)(shi)應(ying)予以注重，必要(yao)(yao)時(shi)(shi)(shi)應(ying)對于具體情況進(jin)行防腐獨立規(gui)(gui)劃；部分(fen)(fen)區(qu)段(duan)能夠存在淤積(ji)等(deng)，采用鋼(gang)波紋(wen)涵(han)管洞應(ying)思考該疑(yi)問。

鋼制波紋管(guan)涵(han)施工

由于(yu)(yu)金屬(shu)(shu)波(bo)紋涵(han)管(guan)施(shi)(shi)工(gong)簡單(dan)且施(shi)(shi)工(gong)工(gong)期(qi)短（一般一道涵(han)洞的施(shi)(shi)工(gong)時間在一個工(gong)作日(ri)以內），減短了多(duo)年凍土的裸露(lu)時間，凍融量小(xiao)(xiao)，故特別適用(yong)于(yu)(yu)多(duo)年凍土地區。金屬(shu)(shu)波(bo)紋涵(han)管(guan)施(shi)(shi)工(gong)時對環境的破壞小(xiao)(xiao)，適用(yong)于(yu)(yu)生態環境脆弱的地區。高速公路重(zhong)要(yao)路段或(huo)保護(hu)艱難路段。

波紋(wen)涵(han)管洞(dong)為鋼結構，必定存在腐蝕的威脅，高速公(gong)路對(dui)路基和涵(han)洞(dong)的壽(shou)數(shu)周期(qi)(qi)需求較(jiao)高，因(yin)而有必要思(si)考防腐維(wei)護(hu)，在維(wei)護(hu)辦理(li)艱難路段應慎重(zhong)使用(yong)。因(yin)為鋼波紋(wen)涵(han)管洞(dong)存在必定的使用(yong)壽(shou)數(shu)周期(qi)(qi)，在高速公(gong)路的一些重(zhong)要路段應慎重(zhong)思(si)考其效勞壽(shou)數(shu)或改建的便利等。（hanihanbj.com）