
銷售熱線
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河北省衡水(shui)市(shi)經濟開發區
當前,鋼波紋涵管的應(ying)用(yong)從初的公(gong)(gong)(gong)路涵管逐步(bu)推(tui)廣到高速公(gong)(gong)(gong)路、市政公(gong)(gong)(gong)路、鐵路、橋(qiao)梁、農(nong)業、港口、機場、市政管道、工業、商業建筑、民用(yong)住宅、礦山、舊基礎設施(shi)修復(fu)、新(xin)能源和軍事領域。根(gen)據美(mei)國(guo)(guo)(guo)有(you)關機構調查(cha)統計,近(jin)幾年(nian),鋼波(bo)紋(wen)涵管占(zhan)美(mei)國(guo)(guo)(guo)大(da)口徑管路市場的30%以上,美(mei)國(guo)(guo)(guo)波(bo)紋(wen)鋼管的年(nian)銷售(shou)額達(da)到150億美(mei)元。此外,日本、韓國(guo)(guo)(guo)等(deng)東(dong)亞國(guo)(guo)(guo)家自20世紀末也開始使用(yong)波(bo)紋(wen)管涵。
鋼波紋涵管在工(gong)(gong)程(cheng)應用(yong)(yong)上具有很多(duo)優勢,如結構強(qiang)度高,是鋼筋混(hun)凝(ning)土(tu)強(qiang)度的(de)1倍(bei)~3倍(bei);使(shi)(shi)用(yong)(yong)壽命長,可(ke)達100年以上;重量輕、施(shi)工(gong)(gong)便捷,重量只有水泥制品的(de)10%~20%,且土(tu)建(jian)(jian)與管體拼裝(zhuang)可(ke)分開同(tong)(tong)時實(shi)施(shi),施(shi)工(gong)(gong)期(qi)短(duan)(duan),工(gong)(gong)期(qi)可(ke)縮短(duan)(duan)一半;軸向具有柔性,可(ke)適(shi)用(yong)(yong)于復雜地(di)質(zhi)(zhi)(zhi)條件(jian)和沉降比較嚴重的(de)地(di)區;在施(shi)工(gong)(gong)條件(jian)比較惡劣的(de)地(di)區或者特(te)殊(shu)地(di)質(zhi)(zhi)(zhi)條件(jian)下,工(gong)(gong)程(cheng)實(shi)際(ji)造價比同(tong)(tong)類跨徑的(de)鋼筋混(hun)凝(ning)土(tu)橋、涵(han)洞低;幾乎不用(yong)(yong)維護,運(yun)行維護成本(ben)低;可(ke)進行工(gong)(gong)廠集中化生(sheng)產(chan),不受環(huan)境影響,有利于降低成本(ben)和質(zhi)(zhi)(zhi)量控制;現場安(an)裝(zhuang)方便,無須使(shi)(shi)用(yong)(yong)大型設備;環(huan)保低碳,減少或根本(ben)舍棄了常規建(jian)(jian)材,如水泥、黃沙(sha)、石子、木材的(de)使(shi)(shi)用(yong)(yong),有利于環(huan)境保護。
隨著環保意識增強(qiang)、勞動力成本上升以及對施工要求(qiu)提高,美國(guo)(guo)和(he)(he)加拿大等國(guo)(guo)家將鋼(gang)質波紋管的(de)(de)應用領(ling)域(yu)不斷擴(kuo)大,幾乎(hu)涵蓋了所(suo)有過去(qu)以混(hun)凝土、普通鋼(gang)板為建構筑材(cai)料的(de)(de)領(ling)域(yu),主要包(bao)括:公路、鐵路和(he)(he)礦(kuang)山隧道(dao)類(lei),河流、污水(shui)、排水(shui)的(de)(de)溝渠和(he)(he)管道(dao)類(lei),地下(xia)基(ji)礎(chu)保護類(lei),雨水(shui)、油類(lei)等液體(ti)儲罐或(huo)井類(lei),固體(ti)倉類(lei),簡(jian)易倉庫(ku)和(he)(he)廠(chang)房類(lei)。
制造工藝和裝備簡陋。鋼波紋涵管制(zhi)(zhi)(zhi)造(zao)業在(zai)(zai)我國推廣時(shi)間(jian)僅有(you)(you)10多年,目前(qian)(qian)制(zhi)(zhi)(zhi)造(zao)裝備(bei)和工(gong)藝(yi)技(ji)(ji)術(shu)(shu)水(shui)平總(zong)體還比較(jiao)落后。一方(fang)(fang)面,我國目前(qian)(qian)只能(neng)(neng)制(zhi)(zhi)(zhi)造(zao)鍍鋅(xin)涂層的(de)(de)(de)(de)(de)波(bo)(bo)(bo)紋(wen)(wen)(wen)(wen)管(guan),并(bing)且大(da)部分(fen)采用成型(xing)后簡易熱鍍鋅(xin)工(gong)藝(yi),對環境污染嚴重,鍍層厚(hou)度無法保(bao)(bao)證(zheng)(zheng),嚴重影響使(shi)用壽命;另一方(fang)(fang)面,制(zhi)(zhi)(zhi)造(zao)設(she)(she)備(bei)簡陋,自(zi)動化水(shui)平比較(jiao)低,以(yi)簡單手動加工(gong)的(de)(de)(de)(de)(de)單體設(she)(she)備(bei)為(wei)(wei)主。國內(nei)為(wei)(wei)波(bo)(bo)(bo)紋(wen)(wen)(wen)(wen)管(guan)做配套設(she)(she)備(bei)的(de)(de)(de)(de)(de)企(qi)(qi)業僅有(you)(you)2家~3家,大(da)口徑管(guan)加工(gong)設(she)(she)備(bei)、連續(xu)化生(sheng)產(chan)(chan)線以(yi)及定型(xing)設(she)(she)備(bei)和噴涂設(she)(she)備(bei)的(de)(de)(de)(de)(de)生(sheng)產(chan)(chan)制(zhi)(zhi)(zhi)造(zao)企(qi)(qi)業就(jiu)更少了(le)。一些(xie)(xie)波(bo)(bo)(bo)紋(wen)(wen)(wen)(wen)鋼管(guan)制(zhi)(zhi)(zhi)造(zao)企(qi)(qi)業不(bu)得不(bu)自(zi)己開發一些(xie)(xie)專用設(she)(she)備(bei)。此外(wai),我國相關制(zhi)(zhi)(zhi)造(zao)企(qi)(qi)業還存在(zai)(zai)規模偏(pian)小,分(fen)布不(bu)合理等問題。中國產(chan)(chan)業洞察(cha)網研究部調研顯示(shi),目前(qian)(qian),中國有(you)(you)50家~100家鋼制(zhi)(zhi)(zhi)波(bo)(bo)(bo)紋(wen)(wen)(wen)(wen)管(guan)制(zhi)(zhi)(zhi)造(zao)企(qi)(qi)業,主要分(fen)布在(zai)(zai)10個省(sheng)(sheng),其中排名(ming)前(qian)(qian)3位的(de)(de)(de)(de)(de)是河北(bei)、江蘇和四川(chuan);最為(wei)(wei)集中的(de)(de)(de)(de)(de)是河北(bei)衡水(shui)和泊(bo)頭(tou)地區,占(zhan)中國鋼制(zhi)(zhi)(zhi)波(bo)(bo)(bo)紋(wen)(wen)(wen)(wen)管(guan)產(chan)(chan)能(neng)(neng)的(de)(de)(de)(de)(de)80%以(yi)上。國內(nei)大(da)部分(fen)省(sheng)(sheng)份無相關制(zhi)(zhi)(zhi)造(zao)企(qi)(qi)業,限(xian)制(zhi)(zhi)(zhi)了(le)鋼質波(bo)(bo)(bo)紋(wen)(wen)(wen)(wen)管(guan)技(ji)(ji)術(shu)(shu)應用推廣。衡水(shui)中杰金屬(shu)制(zhi)(zhi)(zhi)品有(you)(you)限(xian)公司生(sheng)產(chan)(chan)、銷售金屬(shu)波(bo)(bo)(bo)紋(wen)(wen)(wen)(wen)涵管(guan),鋼波(bo)(bo)(bo)紋(wen)(wen)(wen)(wen)管(guan)涵。全(quan)國供應直(zhi)徑0.5-8米(mi)的(de)(de)(de)(de)(de)大(da)管(guan)徑波(bo)(bo)(bo)紋(wen)(wen)(wen)(wen)管(guan)。產(chan)(chan)品單一、粗糙,應用面窄。我國鋼波(bo)(bo)(bo)紋(wen)(wen)(wen)(wen)管(guan)涵品種(zhong)還比較(jiao)少,一般以(yi)小尺寸的(de)(de)(de)(de)(de)圓(yuan)形或拱(gong)形為(wei)(wei)主,大(da)量異型(xing)管(guan)、大(da)尺寸管(guan)(整管(guan)直(zhi)徑大(da)于4米(mi)、拼(pin)裝管(guan)直(zhi)徑大(da)于9米(mi)、拱(gong)形板大(da)于13米(mi))、特種(zhong)端(duan)頭(tou)、特種(zhong)倉體和罐體還不(bu)能(neng)(neng)生(sheng)產(chan)(chan),由(you)于生(sheng)產(chan)(chan)裝備(bei)的(de)(de)(de)(de)(de)落后,加工(gong)尺寸精(jing)度不(bu)能(neng)(neng)保(bao)(bao)證(zheng)(zheng)。
目前(qian),我(wo)國鋼波紋管涵(han)已經在公路、鐵路、少(shao)部分市政(zheng)工(gong)(gong)程以及少(shao)量倉儲罐(guan)體有應(ying)(ying)用。其中,公路、鐵路的涵(han)洞應(ying)(ying)用最多。與(yu)國外相比,我(wo)國在水利工(gong)(gong)程、市政(zheng)工(gong)(gong)程、礦山(shan)、工(gong)(gong)業項目、生態(tai)保護、特(te)種罐(guan)體、特(te)種倉體等(deng)的應(ying)(ying)用較少(shao)。
應(ying)(ying)(ying)用(yong)(yong)研究和(he)標(biao)(biao)準(zhun)(zhun)(zhun)(zhun)(zhun)滯后。我國(guo)自1997年在(zai)青海開始(shi)鋼(gang)制(zhi)波(bo)(bo)紋(wen)管(guan)應(ying)(ying)(ying)用(yong)(yong)研究,主要集中在(zai)交通行業(ye)施(shi)工方(fang)(fang)案的(de)選(xuan)擇(ze)優化(hua)方(fang)(fang)面(mian)。2006年以來,陸(lu)續出(chu)臺了(le)《公(gong)路橋涵(han)用(yong)(yong)波(bo)(bo)形鋼(gang)板(ban)》《公(gong)路涵(han)洞(dong)設計細則(ze)》《公(gong)路涵(han)洞(dong)通道(dao)用(yong)(yong)波(bo)(bo)紋(wen)鋼(gang)管(guan)(板(ban))》《拱(gong)形波(bo)(bo)紋(wen)鋼(gang)蓋結構(gou)技(ji)術規程》等4個行業(ye)標(biao)(biao)準(zhun)(zhun)(zhun)(zhun)(zhun),有(you)(you)(you)關(guan)(guan)適用(yong)(yong)鋼(gang)種標(biao)(biao)準(zhun)(zhun)(zhun)(zhun)(zhun)、環境條件、涂層材料、壽(shou)命設計標(biao)(biao)準(zhun)(zhun)(zhun)(zhun)(zhun)、結構(gou)設計研究很少,也沒有(you)(you)(you)相(xiang)關(guan)(guan)標(biao)(biao)準(zhun)(zhun)(zhun)(zhun)(zhun)。由(you)于應(ying)(ying)(ying)用(yong)(yong)研究滯后,我國(guo)相(xiang)關(guan)(guan)標(biao)(biao)準(zhun)(zhun)(zhun)(zhun)(zhun)有(you)(you)(you)很多不合理的(de)地方(fang)(fang),如涂層材料方(fang)(fang)面(mian),我國(guo)標(biao)(biao)準(zhun)(zhun)(zhun)(zhun)(zhun)中僅有(you)(you)(you)鍍鋅一(yi)種,鍍鋁和(he)聚(ju)合物材料尚沒有(you)(you)(you);在(zai)鋅層厚(hou)(hou)度要求方(fang)(fang)面(mian),我國(guo)標(biao)(biao)準(zhun)(zhun)(zhun)(zhun)(zhun)要求厚(hou)(hou)度大于63μm,相(xiang)當于400g/m2,而美國(guo)相(xiang)關(guan)(guan)標(biao)(biao)準(zhun)(zhun)(zhun)(zhun)(zhun)要求600g/m2以上。另外(wai),美國(guo)噴(pen)涂材料的(de)使用(yong)(yong)壽(shou)命可以達(da)到(dao)50年~100年,而我國(guo)的(de)噴(pen)涂材料僅保證50年。