鋼波(bo)紋涵管也叫波(bo)(bo)紋(wen)管(guan)(guan)(guan)涵,是指鋪埋在(zai)公路(lu)、鐵路(lu)路(lu)下的(de)涵洞用的(de)螺紋(wen)波(bo)(bo)紋(wen)管(guan)(guan)(guan),它是由波(bo)(bo)形鋼(gang)(gang)板卷制成或(huo)用波(bo)(bo)形鋼(gang)(gang)片組拼成的(de)圓形鋼(gang)(gang)結構(gou)(gou)管(guan)(guan)(guan)。金屬波(bo)(bo)紋(wen)管(guan)(guan)(guan)涵的(de)波(bo)(bo)紋(wen)結構(gou)(gou)可使(shi)涵洞路(lu)面受力合理,荷載分布均(jun)勻,并具有(you)一定的(de)抗變形能(neng)(neng)力,能(neng)(neng)解決北(bei)方寒冷地區(qu)(霜凍)對橋(qiao)梁和管(guan)(guan)(guan)涵砼結構(gou)(gou)的(de)破壞問題;使(shi)路(lu)表面沒有(you)伸縮縫,提高行(xing)車舒適性(xing);有(you)利(li)于改善軟土(tu)地基結構(gou)(gou)與路(lu)堤交界處的(de)“錯臺”現象,提高行(xing)車安全性(xing)。波(bo)(bo)紋(wen)管(guan)(guan)(guan)涵的(de)工(gong)后營運、養護成本低(di),工(gong)程實際(ji)造(zao)價也低(di)于同類(lei)跨徑(jing)的(de)橋(qiao)梁、涵洞。鋼(gang)(gang)波(bo)(bo)紋(wen)涵管(guan)(guan)(guan)進出口也可按照邊坡比例做成斜口,加工(gong)波(bo)(bo)紋(wen)管(guan)(guan)(guan)管(guan)(guan)(guan)徑(jing)范圍0.5~8 m,管(guan)(guan)(guan)壁厚(hou)度(du)為3 mm~7 mm,能(neng)(neng)夠滿足填土(tu)0.5 ~40 m厚(hou)的(de)需(xu)要。
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