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衡水(shui)浩威新材料有限(xian)公(gong)司主營(ying)產(chan)品:鋼波紋管、鋼波紋涵管

遂寧高速公路保護路段對鋼制波紋涵管的施工方法

瀏覽:21252 發(fa)布日期:2019-01-11

鋼制波紋涵管應(ying)用(yong)于(yu)公(gong)路養護工(gong)(gong)(gong)程(cheng)時,待涵(han)(han)身及(ji)洞口主體(ti)部(bu)件運至施工(gong)(gong)(gong)現場后,施工(gong)(gong)(gong)單(dan)位才能開(kai)(kai)始拆除(chu)(chu)舊涵(han)(han)洞的工(gong)(gong)(gong)作,在拆除(chu)(chu)舊涵(han)(han)洞的同時,抓(zhua)緊基(ji)礎材料的備(bei)料工(gong)(gong)(gong)作,備(bei)料完成,并經檢驗合格后方可進行(xing)基(ji)坑的開(kai)(kai)挖(wa)工(gong)(gong)(gong)作。金屬波紋涵(han)(han)管(guan)應(ying)用(yong)于(yu)新建(jian)公(gong)路工(gong)(gong)(gong)程(cheng)時,在定購(gou)涵(han)(han)管(guan)的同時可抓(zhua)緊基(ji)礎材料的備(bei)料和基(ji)坑的開(kai)(kai)挖(wa)工(gong)(gong)(gong)作。

高速公路(lu)保護路(lu)段對(dui)鋼制(zhi)波紋(wen)涵管的施(shi)工(gong)方(fang)法

進出口(kou)(kou)可采(cai)用由制造的(de)金屬波紋管節(jie),有直管和與路基(ji)邊坡(po)(po)同(tong)坡(po)(po)率(lv)的(de)斜(xie)口(kou)(kou)兩種形式;也可根據所在地(di)區的(de)具體情況采(cai)用漿(jiang)砌(qi)(qi)片(pian)(pian)(pian)(pian)石(shi)或(huo)(huo)干砌(qi)(qi)片(pian)(pian)(pian)(pian)石(shi)砌(qi)(qi)筑(zhu)。一般(ban)在寒冷地(di)區,采(cai)用金屬波紋管節(jie)或(huo)(huo)干砌(qi)(qi)片(pian)(pian)(pian)(pian)石(shi)。在其(qi)與河床接頭處進出口(kou)(kou)地(di)面及(ji)邊坡(po)(po)一定(ding)范(fan)圍內(nei)應設置雙層(ceng)漿(jiang)砌(qi)(qi)片(pian)(pian)(pian)(pian)石(shi)或(huo)(huo)干砌(qi)(qi)片(pian)(pian)(pian)(pian)石(shi)鋪砌(qi)(qi),以防止沖刷。

鋼波紋涵管價格

鋼波紋(wen)涵(han)管(guan)價格(ge)

并(bing)作必要(yao)的(de)(de)防滲(shen)處(chu)理(li);為防止路基土堵塞涵洞洞口,在洞口與(yu)路堤交匯(hui)處(chu)做一(yi)定(ding)高度和厚(hou)度的(de)(de)漿砌片石(shi)或干砌片石(shi)墻(也可(ke)采用鉛絲石(shi)籠)防護。金屬波(bo)紋(wen)涵管(guan)是一(yi)種柔性(xing)結(jie)構,波(bo)紋(wen)管(guan)在結(jie)構上(shang)具有(you)橫向(xiang)補償位移(yi)的(de)(de)優(you)良(liang)特(te)性(xing),可(ke)充分發揮鋼材抗拉性(xing)能(neng)強、變(bian)形性(xing)能(neng)優(you)越的(de)(de)特(te)點,具有(you)較(jiao)大的(de)(de)抗變(bian)形和抗沉降能(neng)力,特(te)別(bie)適合于軟(ruan)土、膨(peng)脹土、濕陷(xian)性(xing)黃(huang)土等地基承載力較(jiao)低地區和地震多(duo)發地區

涵洞兩(liang)側經過低洼積水地(di)帶時(shi)(shi).需(xu)要(yao)先設(she)置圍堰、抽排積水,必要(yao)時(shi)(shi)還需(xu)要(yao)清(qing)除換填部(bu)分淤泥。泥石(shi)流(liu)堆積扇或分泌(mi)砂石(shi)流(liu)量大、流(liu)速高的區段(duan)。這些區段(duan)泥砂或砂石(shi)的沖(chong)刷將形成(cheng)對防腐材料或鋼結構的腐蝕,規劃(hua)(hua)時(shi)(shi)應(ying)予以注重,必要(yao)時(shi)(shi)應(ying)對于具體情(qing)況進行防腐獨立規劃(hua)(hua);部(bu)分區段(duan)能夠存在(zai)淤積等,采用鋼波紋(wen)涵管洞應(ying)思考該疑(yi)問(wen)。

鋼制波紋管涵施工

鋼制波紋管涵施工(gong)

由于(yu)金(jin)屬波紋涵管(guan)施(shi)(shi)工簡單且施(shi)(shi)工工期(qi)短(一(yi)(yi)(yi)般一(yi)(yi)(yi)道涵洞(dong)的施(shi)(shi)工時(shi)(shi)間(jian)在一(yi)(yi)(yi)個工作日(ri)以內),減短了(le)多年(nian)凍土的裸露時(shi)(shi)間(jian),凍融量小,故(gu)特別適用(yong)于(yu)多年(nian)凍土地(di)區。金(jin)屬波紋涵管(guan)施(shi)(shi)工時(shi)(shi)對環境的破壞小,適用(yong)于(yu)生態環境脆弱的地(di)區。高(gao)速公路重要路段或(huo)保護艱難路段。

波(bo)紋涵(han)管洞為鋼結構,必定存在(zai)腐蝕的威(wei)脅(xie),高速公路對路基和(he)涵(han)洞的壽(shou)數(shu)周期(qi)需求較(jiao)高,因(yin)而(er)有必要思考(kao)防(fang)腐維(wei)護,在(zai)維(wei)護辦(ban)理艱難路段應(ying)慎重使用(yong)。因(yin)為鋼波(bo)紋涵(han)管洞存在(zai)必定的使用(yong)壽(shou)數(shu)周期(qi),在(zai)高速公路的一些重要路段應(ying)慎重思考(kao)其(qi)效勞壽(shou)數(shu)或改建(jian)的便利等。(hanihanbj.com


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