鍍鋅波紋(wen)管涵是指鋪埋在公路(lu),鐵路(lu)下面(mian)的涵洞(dong)用螺紋(wen)波紋(wen)管,它(ta)是由波形金屬板卷(juan)制(zhi)成(cheng)或(huo)用半圓(yuan)波形鋼(gang)片拼制(zhi)成(cheng)的圓(yuan)形波紋(wen)管,應(ying)用于(yu)公路(lu),鐵路(lu),小橋,通(tong)道,擋土(tu)墻(qiang)以及各種(zhong)礦(kuang)場,巷(xiang)道擋墻(qiang)支護等工程中的涵洞(dong)(管)。
鍍(du)鋅波紋管(guan)涵是與鋼筋混凝土管(guan)涵相比,具有(you)管(guan)節薄,重量輕(qing),便于運輸存放,施工(gong)(gong)工(gong)(gong)藝簡(jian)單,組裝快速,工(gong)(gong)期短等優點。
建(jian)筑(zhu)波(bo)紋管(guan)時(shi),可根據需要(yao)隨意組裝(zhuang)成任(ren)何長(chang)度,必要(yao)時(shi),管(guan)節還可拆(chai)除,遷往別處(chu)修建(jian),在缺乏(fa)砂石材(cai)料地(di)(di)區或地(di)(di)基(ji)承載(zai)力較低的地(di)(di)區,鍍鋅波(bo)紋管(guan)涵的優(you)越性(xing)更為顯著。
鍍(du)鋅(xin)波(bo)(bo)紋(wen)管(guan)(guan)(guan)涵在國(guo)(guo)外的公路(lu)、鐵(tie)路(lu)和(he)房屋建(jian)工(gong)程(cheng)中(zhong)早已被方泛采(cai)用,一些(xie)發(fa)達不僅設(she)有制造波(bo)(bo)紋(wen)管(guan)(guan)(guan)節的工(gong)廠,而且有些(xie)發(fa)布了鍍(du)鋅(xin)波(bo)(bo)紋(wen)管(guan)(guan)(guan)涵的設(she)計(ji)與施工(gong)規范或規程(cheng)。我國(guo)(guo)解(jie)放前公路(lu)、鐵(tie)路(lu)部門也曾使(shi)用過國(guo)(guo)外進(jin)口(kou)的波(bo)(bo)紋(wen)管(guan)(guan)(guan)管(guan)(guan)(guan)節。
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