工程施工中為什么選擇用鋼制波紋管涵?
在工(gong)(gong)(gong)(gong)程中(zhong)用鋼(gang)制波紋涵管(guan)替(ti)代鋼(gang)筋混(hun)凝土進(jin)行(xing)涵洞工(gong)(gong)(gong)(gong)程作業,不管(guan)從工(gong)(gong)(gong)(gong)程施(shi)(shi)工(gong)(gong)(gong)(gong)周期、工(gong)(gong)(gong)(gong)程施(shi)(shi)工(gong)(gong)(gong)(gong)造價成本(ben)、環境保護(hu)的意義等方面都是有(you)其(qi)不可以比擬的優勢(shi),且用金(jin)屬(shu)波紋涵管(guan)進(jin)行(xing)涵洞工(gong)(gong)(gong)(gong)程施(shi)(shi)工(gong)(gong)(gong)(gong),可進(jin)一步提高道(dao)路行(xing)車穩定系數(shu),避免道(dao)路中(zhong)涵洞的“錯臺跳車”現形,有(you)利于(yu)解決西(xi)北(bei)及我國寒冷地(di)區(qu)霜凍對砼(tong)管(guan)涵結構的破壞問(wen)題。
鋼制波紋管涵的特色:
(1)鋼(gang)制波紋管涵構(gou)造強(qiang)度(du)(du)高,勢鋼(gang)筋混凝土的(de)1-3倍;對地(di)基承載水(shui)平、平面度(du)(du)的(de)要(yao)求較低,實際上工(gong)程造價(jia)比同類跨徑(jing)的(de)橋、涵洞相近或(huo)較低。
(2)運營使用(yong)期長,可(ke)達一百多年。
(3)工程(cheng)施(shi)工周期時間短(duan),工廠(chang)集中化(hua)生(sheng)產,生(sheng)產不受環境影(ying)響,有利降低成本、控制產品質(zhi)量。
(4)重(zhong)量(liang)較(jiao)輕、工程施工便捷;現場(chang)安(an)裝方便,不需使用大型設備。
(5)解(jie)決北方(fang)寒冷地區(霜凍)對橋梁(liang)和管(guan)涵砼(tong)構(gou)造的損壞(huai)問題。
(6)減少或根(gen)本舍棄了常規建材,如水泥、黃砂(sha)、石子、木材的(de)使用(yong),環境保護(hu)意(yi)義深遠。
(7)構造受(shou)力情況合(he)理,荷載分(fen)布均勻,并(bing)有一定的抗變形水平。
(8)一年四季(ji)(ji)可(ke)工(gong)(gong)程施工(gong)(gong),工(gong)(gong)程施工(gong)(gong)不受季(ji)(ji)節影響。
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