鍍鋅(xin)波(bo)(bo)紋(wen)管涵是(shi)指鋪埋在公路(lu),鐵路(lu)下面(mian)的(de)涵洞(dong)用(yong)螺紋(wen)波(bo)(bo)紋(wen)管,它(ta)是(shi)由波(bo)(bo)形(xing)金(jin)屬板卷制(zhi)(zhi)成(cheng)或用(yong)半圓(yuan)波(bo)(bo)形(xing)鋼片(pian)拼(pin)制(zhi)(zhi)成(cheng)的(de)圓(yuan)形(xing)波(bo)(bo)紋(wen)管,應用(yong)于公路(lu),鐵路(lu),小橋,通道,擋(dang)土墻以及各種礦(kuang)場,巷道擋(dang)墻支護等工(gong)程(cheng)中的(de)涵洞(dong)(管)。
鍍鋅波紋管(guan)涵是與鋼筋混(hun)凝土管(guan)涵相比(bi),具有管(guan)節薄,重量輕,便于運輸存(cun)放,施工工藝簡單,組裝(zhuang)快速,工期短等優點。
建筑波(bo)紋管(guan)時,可根據需要隨意組裝(zhuang)成任何長度,必要時,管(guan)節(jie)還可拆除,遷往別處修(xiu)建,在(zai)缺乏砂石(shi)材料地(di)(di)區或地(di)(di)基承(cheng)載力較(jiao)低(di)的(de)地(di)(di)區,鍍(du)鋅波(bo)紋管(guan)涵的(de)優越性更為顯著。
鍍(du)(du)鋅波(bo)紋管(guan)(guan)(guan)涵在國(guo)外(wai)的公(gong)(gong)路、鐵路和房屋建(jian)工(gong)程(cheng)中早已被方泛采用,一些(xie)發達不僅(jin)設有(you)制造波(bo)紋管(guan)(guan)(guan)節的工(gong)廠,而(er)且(qie)有(you)些(xie)發布了鍍(du)(du)鋅波(bo)紋管(guan)(guan)(guan)涵的設計與施(shi)工(gong)規(gui)范或規(gui)程(cheng)。我國(guo)解(jie)放(fang)前(qian)公(gong)(gong)路、鐵路部門(men)也曾使(shi)用過國(guo)外(wai)進(jin)口的波(bo)紋管(guan)(guan)(guan)管(guan)(guan)(guan)節。
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