鋼波紋涵管也叫波(bo)(bo)(bo)(bo)(bo)紋(wen)管(guan)涵,是指鋪埋在公路(lu)、鐵(tie)路(lu)路(lu)下的(de)(de)涵洞(dong)用的(de)(de)螺紋(wen)波(bo)(bo)(bo)(bo)(bo)紋(wen)管(guan),它是由波(bo)(bo)(bo)(bo)(bo)形鋼板卷制成(cheng)(cheng)或(huo)用波(bo)(bo)(bo)(bo)(bo)形鋼片組拼成(cheng)(cheng)的(de)(de)圓形鋼結(jie)構管(guan)。金屬波(bo)(bo)(bo)(bo)(bo)紋(wen)管(guan)涵的(de)(de)波(bo)(bo)(bo)(bo)(bo)紋(wen)結(jie)構可(ke)(ke)使(shi)涵洞(dong)路(lu)面受力(li)合理,荷載分布均勻,并具有(you)(you)一定的(de)(de)抗變形能(neng)力(li),能(neng)解決(jue)北方(fang)寒(han)冷地區(霜凍(dong))對橋(qiao)梁和管(guan)涵砼結(jie)構的(de)(de)破壞(huai)問題;使(shi)路(lu)表面沒有(you)(you)伸(shen)縮縫,提高(gao)行車舒適(shi)性(xing);有(you)(you)利于改(gai)善軟土地基結(jie)構與路(lu)堤(di)交界(jie)處的(de)(de)“錯臺”現象,提高(gao)行車安全性(xing)。波(bo)(bo)(bo)(bo)(bo)紋(wen)管(guan)涵的(de)(de)工(gong)后(hou)營運(yun)、養護成(cheng)(cheng)本低,工(gong)程實際造價也低于同類跨徑的(de)(de)橋(qiao)梁、涵洞(dong)。鋼波(bo)(bo)(bo)(bo)(bo)紋(wen)涵管(guan)進出口也可(ke)(ke)按照邊坡(po)比例做成(cheng)(cheng)斜口,加工(gong)波(bo)(bo)(bo)(bo)(bo)紋(wen)管(guan)管(guan)徑范圍0.5~8 m,管(guan)壁厚(hou)度為(wei)3 mm~7 mm,能(neng)夠滿足(zu)填土0.5 ~40 m厚(hou)的(de)(de)需要(yao)。
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