鍍鋅(xin)波(bo)紋(wen)(wen)管涵是指鋪埋在公路(lu),鐵(tie)路(lu)下面的涵洞(dong)用螺(luo)紋(wen)(wen)波(bo)紋(wen)(wen)管,它是由波(bo)形金屬板(ban)卷制(zhi)成或用半圓波(bo)形鋼片拼制(zhi)成的圓形波(bo)紋(wen)(wen)管,應用于(yu)公路(lu),鐵(tie)路(lu),小(xiao)橋,通道,擋土墻以及各種礦場,巷道擋墻支(zhi)護(hu)等(deng)工程中的涵洞(dong)(管)。
鍍鋅波紋管(guan)涵是與鋼筋(jin)混凝(ning)土管(guan)涵相(xiang)比,具有(you)管(guan)節(jie)薄(bo),重量輕,便于運輸存放(fang),施工(gong)(gong)工(gong)(gong)藝簡單,組(zu)裝快速(su),工(gong)(gong)期短等優點。
建筑波紋(wen)管時,可(ke)根據需要隨意組裝成任(ren)何長(chang)度,必要時,管節還可(ke)拆除,遷(qian)往(wang)別處修建,在缺乏砂石材料地(di)區或地(di)基(ji)承(cheng)載力較低的(de)地(di)區,鍍鋅波紋(wen)管涵(han)的(de)優(you)越性更為顯著(zhu)。
鍍(du)鋅波(bo)(bo)紋(wen)(wen)管(guan)(guan)涵在國(guo)(guo)外(wai)的公(gong)路(lu)、鐵路(lu)和房屋建工(gong)(gong)程中早已(yi)被方泛采用(yong),一些發達不僅(jin)設(she)有制造波(bo)(bo)紋(wen)(wen)管(guan)(guan)節(jie)(jie)的工(gong)(gong)廠,而且有些發布了鍍(du)鋅波(bo)(bo)紋(wen)(wen)管(guan)(guan)涵的設(she)計與(yu)施(shi)工(gong)(gong)規(gui)范或規(gui)程。我國(guo)(guo)解放前公(gong)路(lu)、鐵路(lu)部門也曾使用(yong)過國(guo)(guo)外(wai)進(jin)口的波(bo)(bo)紋(wen)(wen)管(guan)(guan)管(guan)(guan)節(jie)(jie)。
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