鋼波紋涵(han)管涵洞施工(gong)(gong)工(gong)(gong)藝(yi)流程(cheng)可分為(wei)(wei)路堤(di)法(fa)(fa)和反開槽回填(tian)法(fa)(fa)，下(xia)面主(zhu)要介紹后者(zhe)，因其在(zai)施工(gong)(gong)過程(cheng)中不影響(xiang)路基施工(gong)(gong)整體的(de)進度 在(zai)山區(qu)修建高速公路，為(wei)(wei)達到終(zhong)的(de)設計要求(qiu)，深(shen)挖(wa)高墳(fen)這種情況經常(chang)能遇到，因此產生(sheng)的(de)髙墳(fen)方路堤(di)下(xia)的(de)涵洞工(gong)(gong)程(cheng)越來越多。

鍍鋅波紋管涵(han)

進岀口可采(cai)(cai)用(yong)(yong)(yong)由制造(zao)的金(jin)(jin)屬波紋管(guan)節，有直管(guan)和(he)與路基邊坡(po)同坡(po)率的斜口兩種(zhong)形式；也(ye)可根據所在地區的具體情(qing)況(kuang)采(cai)(cai)用(yong)(yong)(yong)漿砌(qi)(qi)片石或干(gan)(gan)砌(qi)(qi)片石砌(qi)(qi)筑。一般在寒(han)冷地區，采(cai)(cai)用(yong)(yong)(yong)金(jin)(jin)屬波紋管(guan)節或干(gan)(gan)砌(qi)(qi)片石。 金(jin)(jin)屬波紋涵管(guan)應用(yong)(yong)(yong)于公路養護工(gong)程時。

橋梁鋼波紋管

待(dai)涵身及洞(dong)(dong)口主體部件運至施工(gong)(gong)(gong)(gong)現場(chang)后，施工(gong)(gong)(gong)(gong)單(dan)位才能開始拆除舊涵洞(dong)(dong)的(de)(de)工(gong)(gong)(gong)(gong)作(zuo)(zuo)，在拆除舊涵洞(dong)(dong)的(de)(de)同時(shi)，抓(zhua)緊基礎(chu)材(cai)料的(de)(de)備料工(gong)(gong)(gong)(gong)作(zuo)(zuo)，備料完成，并(bing)經檢驗合格后方可(ke)進行基坑(keng)的(de)(de)開挖工(gong)(gong)(gong)(gong)作(zuo)(zuo)。金(jin)屬波(bo)紋涵管(guan)應用于新建(jian)公路工(gong)(gong)(gong)(gong)程時(shi)，在定購金(jin)屬波(bo)紋涵管(guan)的(de)(de)同時(shi)可(ke)抓(zhua)緊基礎(chu)材(cai)料的(de)(de)備料和基坑(keng)的(de)(de)開挖工(gong)(gong)(gong)(gong)作(zuo)(zuo)。（hanihanbj.com）