鋼波(bo)紋涵管也叫波(bo)紋(wen)(wen)管(guan)(guan)涵,是指鋪(pu)埋在公路(lu)、鐵路(lu)路(lu)下(xia)的(de)涵洞(dong)用的(de)螺紋(wen)(wen)波(bo)紋(wen)(wen)管(guan)(guan),它是由波(bo)形(xing)鋼(gang)板卷制成或用波(bo)形(xing)鋼(gang)片組(zu)拼(pin)成的(de)圓形(xing)鋼(gang)結(jie)構管(guan)(guan)。金屬波(bo)紋(wen)(wen)管(guan)(guan)涵的(de)波(bo)紋(wen)(wen)結(jie)構可(ke)使涵洞(dong)路(lu)面(mian)受力合理(li),荷載分布均勻,并具有一定的(de)抗變形(xing)能力,能解決北方寒冷(leng)地區(霜凍)對橋梁和管(guan)(guan)涵砼結(jie)構的(de)破壞問(wen)題(ti);使路(lu)表(biao)面(mian)沒有伸縮(suo)縫,提(ti)高行車舒適(shi)性;有利于改善軟土地基結(jie)構與路(lu)堤交界處的(de)“錯臺”現(xian)象,提(ti)高行車安(an)全性。波(bo)紋(wen)(wen)管(guan)(guan)涵的(de)工(gong)(gong)后營運(yun)、養護成本(ben)低,工(gong)(gong)程(cheng)實際造(zao)價也低于同類跨徑(jing)的(de)橋梁、涵洞(dong)。鋼(gang)波(bo)紋(wen)(wen)涵管(guan)(guan)進出口也可(ke)按照邊坡比例做成斜口,加工(gong)(gong)波(bo)紋(wen)(wen)管(guan)(guan)管(guan)(guan)徑(jing)范圍0.5~8 m,管(guan)(guan)壁厚度為(wei)3 mm~7 mm,能夠滿(man)足填土0.5 ~40 m厚的(de)需(xu)要。
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