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  天安金屬波紋管的優點

  1)金屬波紋管適應地基變形能(neng)力強,對地基承載能(neng)力、平整度要(yao)求較(jiao)低,工程實際造(zao)價(jia)比同類跨(kua)徑的橋、洞相近或較(jiao)低。

  2) 施工工期短(duan)是最明(ming)顯(xian)的(de)優勢,土建工程與管節安裝可分開實施。

  3)進行工廠(chang)集(ji)中化生(sheng)產,生(sheng)產不受環(huan)境影響,有利降低成本(ben)、控制質(zhi)量。

  4) 金屬波紋管現場安裝方便,不需(xu)使用大型設(she)備。

  5) 解決北方寒冷地區(霜凍)對橋梁和管砼結構的破壞問題(ti)。

  6) 減少或根本舍棄了常規(gui)建(jian)材,如水泥、黃(huang)砂、石子、木(mu)材的使(shi)用,環(huan)保意義(yi)深(shen)遠。

  7) 金屬波紋管結構受(shou)力(li)情況合(he)理,荷(he)載(zai)分布(bu)均勻(yun),并有一定的(de)抗變形能力(li)。

  8) 金(jin)屬(shu)波紋管(guan)采用標(biao)準(zhun)化設(she)計,生產、設(she)計簡單,生產周期短。

  9) 波(bo)紋管有利于改善軟土地基(ji)結構(gou)物與路堤交界處(chu)的“錯臺”現象,提高行車的舒適度與安全性,減少工后營運、養(yang)護成本。

  鋼制波紋管(guan)是替代圓管(guan)、蓋(gai)板、和小橋(qiao)的優質公路建材。產品具(ju)有工期短、重量(liang)輕(qing)、安裝方便、耐久(jiu)性好、工廠造(zao)價低、抗變形(xing)能(neng)力強、減少(shao)通車后養護成(cheng)本等(deng)優點(dian),由其適合高寒凍土地區,軟土路基(ji)地帶和深(shen)填土地帶,可節(jie)省大(da)量(liang)資金,具(ju)有明顯的經濟效益。

  在公(gong)路(lu)(lu)施(shi)(shi)工(gong)(gong)(gong)(gong)中(zhong),應(ying)用(yong)金(jin)屬(shu)波(bo)紋(wen)(wen)管(guan)(guan)(guan)代替鋼(gang)(gang)筋混凝土進(jin)(jin)行(xing)洞(dong)(dong)(dong)施(shi)(shi)工(gong)(gong)(gong)(gong)的(de)(de)歷史已經(jing)有100多(duo)年了(le)(le)。1896年,美(mei)國(guo)(guo)率先(xian)進(jin)(jin)行(xing)波(bo)紋(wen)(wen)管(guan)(guan)(guan)通(tong)道、管(guan)(guan)(guan)的(de)(de)可行(xing)性研究。其后,在美(mei)國(guo)(guo)、加拿大(da)(da)(da)、澳大(da)(da)(da)利(li)亞等國(guo)(guo)的(de)(de)公(gong)路(lu)(lu)建(jian)設(she)(she)(she)中(zhong),均采用(yong)了(le)(le)鋼(gang)(gang)波(bo)紋(wen)(wen)管(guan)(guan)(guan)進(jin)(jin)行(xing)洞(dong)(dong)(dong)的(de)(de)施(shi)(shi)工(gong)(gong)(gong)(gong)。1990年,日本高速公(gong)路(lu)(lu)設(she)(she)(she)計,規范(fan)制定了(le)(le)波(bo)紋(wen)(wen)管(guan)(guan)(guan)設(she)(she)(she)計技(ji)術規范(fan)。隨著波(bo)紋(wen)(wen)管(guan)(guan)(guan)在世界各(ge)地的(de)(de)安(an)裝使(shi)用(yong),證(zheng)明(ming)了(le)(le)此種結構(gou)在各(ge)種使(shi)用(yong)情況下的(de)(de)通(tong)用(yong)性。在我國(guo)(guo)改革(ge)開放(fang)后,深圳(zhen)及大(da)(da)(da)同(tong)煤(mei)礦開始從國(guo)(guo)外進(jin)(jin)口成(cheng)品波(bo)紋(wen)(wen)管(guan)(guan)(guan)進(jin)(jin)行(xing)洞(dong)(dong)(dong)施(shi)(shi)工(gong)(gong)(gong)(gong)。之后,上海(hai)市公(gong)路(lu)(lu)管(guan)(guan)(guan)理處、上海(hai)市政工(gong)(gong)(gong)(gong)程設(she)(she)(she)計研究院、上海(hai)同(tong)濟大(da)(da)(da)學對金(jin)屬(shu)波(bo)紋(wen)(wen)管(guan)(guan)(guan)進(jin)(jin)行(xing)了(le)(le)動、靜載試驗,結果表明(ming)能滿(man)足設(she)(she)(she)計使(shi)用(yong)要求(qiu),填補了(le)(le)國(guo)(guo)內的(de)(de)空白,且迅速得到推廣應(ying)用(yong)。幕墻(qiang)一(yi)(yi)貫反應(ying)用(yong)于我國(guo)(guo)各(ge)地公(gong)路(lu)(lu)設(she)(she)(she)施(shi)(shi)建(jian)設(she)(she)(she)當(dang)中(zhong)。波(bo)紋(wen)(wen)管(guan)(guan)(guan)投(tou)入到了(le)(le)青海(hai)公(gong)路(lu)(lu)施(shi)(shi)工(gong)(gong)(gong)(gong)當(dang)中(zhong),三(san)年的(de)(de)實(shi)踐證(zheng)明(ming),波(bo)紋(wen)(wen)管(guan)(guan)(guan)在北方寒(han)冷地區完全符合公(gong)路(lu)(lu)建(jian)設(she)(she)(she)當(dang)中(zhong)的(de)(de)洞(dong)(dong)(dong)施(shi)(shi)工(gong)(gong)(gong)(gong)要求(qiu)。陜西通(tong)途交通(tong)設(she)(she)(she)施(shi)(shi)有限公(gong)司是一(yi)(yi)家專業生產公(gong)路(lu)(lu)洞(dong)(dong)(dong)通(tong)道用(yong)波(bo)紋(wen)(wen)鋼(gang)(gang)管(guan)(guan)(guan)(板)的(de)(de)企業,主要產品包(bao)括公(gong)路(lu)(lu)洞(dong)(dong)(dong)通(tong)道用(yong)波(bo)紋(wen)(wen)鋼(gang)(gang)管(guan)(guan)(guan)(板)、相(xiang)關配套設(she)(she)(she)施(shi)(shi)有橋(qiao)梁支(zhi)座、伸(shen)縮縫、鋼(gang)(gang)波(bo)紋(wen)(wen)腹板橋(qiao)、聲屏障、鋼(gang)(gang)便橋(qiao)、土工(gong)(gong)(gong)(gong)材料(liao)、防水材料(liao)、金(jin)屬(shu)掛網、防眩板、公(gong)路(lu)(lu)護欄(lan)等交通(tong)基礎設(she)(she)(she)施(shi)(shi)和其他相(xiang)應(ying)的(de)(de)基礎設(she)(she)(she)施(shi)(shi)。

  金屬波紋管(guan)(guan)(guan)(guan)出廠時,管(guan)(guan)(guan)(guan)及(ji)配件均經過熱(re)浸鍍(du)鋅處理,鍍(du)鋅層平(ping)均厚(hou)(hou)度(du)大于84μm,在沒有亂石沖(chong)刷(shua)的(de)情況(kuang)下,它(ta)的(de)鍍(du)鋅層就可防(fang)止銹蝕。目(mu)前國(guo)(guo)內管(guan)(guan)(guan)(guan)出廠前,根(gen)據鋼管(guan)(guan)(guan)(guan)管(guan)(guan)(guan)(guan)壁(bi)(bi)每年(nian)蝕耗厚(hou)(hou)度(du)0.01-0.03mm,比國(guo)(guo)外管(guan)(guan)(guan)(guan)做(zuo)的(de)要(yao)保守,比正常(chang)管(guan)(guan)(guan)(guan)壁(bi)(bi)厚(hou)(hou)度(du)增(zeng)加(jia)了(le)0.5mm,可提(ti)高使(shi)用(yong)壽命,而且管(guan)(guan)(guan)(guan)運至施工(gong)現場后,工(gong)地(di)涂(tu)涮兩遍瀝(li)青,瀝(li)青涂(tu)層厚(hou)(hou)度(du)達(da)到0.3-0.5mm,并且根(gen)據國(guo)(guo)內車輛超載運輸(shu)的(de)實際情況(kuang),還(huan)對金屬波紋管(guan)(guan)(guan)(guan)的(de)技(ji)術參數(波距、波深、壁(bi)(bi)厚(hou)(hou))進行了(le)調整,增(zeng)大了(le)管(guan)(guan)(guan)(guan)在國(guo)(guo)內使(shi)用(yong)的(de)保險系數。以上(shang)幾種措施即(ji)可滿(man)足使(shi)用(yong)要(yao)求(qiu),使(shi)用(yong)壽命完全能適合公(gong)路的(de)需求(qiu),更能滿(man)足受流石沖(chong)刷(shua)的(de)洞(dong),確保流石對管(guan)(guan)(guan)(guan)管(guan)(guan)(guan)(guan)壁(bi)(bi)的(de)沖(chong)擊(ji)。

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