供應直徑4米大口徑拼裝金屬波紋管 鋼波紋管 

鋼波紋(wen)管的材料普通為青銅、黃銅、不銹鋼、蒙乃爾(er)合金和因康鎳爾(er)合金等。鋼波紋(wen)管選用規范化設計方(fang)案，出產(chan)制作，設計方(fang)案簡易，出產(chan)制作周期(qi)時間(jian)短(duan)(duan)；工(gong)(gong)程(cheng)(cheng)項目具體工(gong)(gong)程(cheng)(cheng)造價(jia)比類似跨距的橋(qiao)，洞低(di)；工(gong)(gong)程(cheng)(cheng)施(shi)(shi)(shi)工(gong)(gong)短(duan)(duan)工(gong)(gong)期(qi)，要害為組(zu)裝工(gong)(gong)程(cheng)(cheng)施(shi)(shi)(shi)工(gong)(gong)；金屬材料波紋(wen)管替(ti)代(dai)混凝土結構展開洞工(gong)(gong)程(cheng)(cheng)施(shi)(shi)(shi)工(gong)(gong)。

鋼波紋涵管

鋼板(ban)鋼波(bo)紋管對基底的地(di)(di)基承載(zai)(zai)力(li)(li)一(yi)般情(qing)況下(xia)可按以下(xia)數(shu)值參考(kao)規劃，管頂填土(tu)高度h≤10m時(shi)，地(di)(di)基承載(zai)(zai)力(li)(li)不(bu)(bu)小(xiao)于(yu)180Kpa；10m≤h≤15m時(shi)，地(di)(di)基承載(zai)(zai)力(li)(li)不(bu)(bu)小(xiao)于(yu)200Kpa；15m≤h≤20m時(shi)，地(di)(di)基承載(zai)(zai)力(li)(li)不(bu)(bu)小(xiao)于(yu)220Kpa；20m≤h≤25m時(shi)，地(di)(di)基承載(zai)(zai)力(li)(li)不(bu)(bu)小(xiao)于(yu)250Kpa。

鋼(gang)波(bo)(bo)(bo)紋(wen)管(guan)涵(han)(han)具(ju)有(you)工(gong)期短、重量輕、安裝方(fang)便、耐(nai)久性好、工(gong)程造價(jia)低、抗變形能(neng)(neng)力(li)(li)強(qiang)、減少通車(che)后養護(hu)成本等特點，從(cong)材料與結構(gou)和功能(neng)(neng)的(de)本質關系分析,采用(yong)柔性、高(gao)強(qiang)度的(de)鋼(gang)波(bo)(bo)(bo)紋(wen)管(guan)涵(han)(han)洞(dong),不僅具(ju)有(you)適應(ying)地基(ji)(ji)與基(ji)(ji)礎(chu)變形的(de)能(neng)(neng)力(li)(li),可(ke)(ke)以解決因(yin)地基(ji)(ji)基(ji)(ji)礎(chu)不均(jun)勻沉降導致的(de)涵(han)(han)洞(dong)破壞(huai)問題,而(er)且鋼(gang)波(bo)(bo)(bo)紋(wen)管(guan)涵(han)(han)洞(dong)由于軸向波(bo)(bo)(bo)紋(wen)的(de)存在使其(qi)具(ju)有(you)優良的(de)受力(li)(li)特征,軸向和徑向同(tong)時分布因(yin)荷載引起的(de)應(ying)力(li)(li)應(ying)變,可(ke)(ke)以更(geng)大程度分散荷載的(de)應(ying)力(li)(li)集中(zhong),更(geng)好地發(fa)揮鋼(gang)結構(gou)的(de)優勢。尤(you)其(qi)在高(gao)寒(han)凍土(tu)(tu)、軟土(tu)(tu)、膨脹(zhang)土(tu)(tu)、濕陷(xian)性黃土(tu)(tu)等地帶，具(ju)有(you)明顯(xian)的(de)經濟(ji)效益。