鋼波紋涵管涵(han)洞施工(gong)(gong)工(gong)(gong)藝流程(cheng)可分為路(lu)(lu)堤法和反開槽回填法,下(xia)面主要介紹后者,因(yin)其(qi)在施工(gong)(gong)過程(cheng)中(zhong)不影(ying)響(xiang)路(lu)(lu)基(ji)施工(gong)(gong)整體的(de)進度(du) 在山區修建高速(su)公(gong)路(lu)(lu),為達到終的(de)設(she)計要求,深挖高墳(fen)這種情況經常能(neng)遇到,因(yin)此產生的(de)髙墳(fen)方路(lu)(lu)堤下(xia)的(de)涵(han)洞工(gong)(gong)程(cheng)越來越多。
鍍(du)鋅波紋管涵
進(jin)岀口(kou)可(ke)采用由制造的(de)(de)金屬(shu)波紋(wen)(wen)管(guan)(guan)節,有直管(guan)(guan)和與路基邊(bian)坡同坡率的(de)(de)斜口(kou)兩種(zhong)形式;也可(ke)根據所在地區的(de)(de)具體(ti)情況采用漿砌(qi)片石(shi)或干砌(qi)片石(shi)砌(qi)筑。一般(ban)在寒冷地區,采用金屬(shu)波紋(wen)(wen)管(guan)(guan)節或干砌(qi)片石(shi)。 金屬(shu)波紋(wen)(wen)涵管(guan)(guan)應用于公路養護工程時(shi)。
待涵身及洞口(kou)主(zhu)體部件運至施工(gong)(gong)(gong)現場后(hou),施工(gong)(gong)(gong)單位才(cai)能開始(shi)拆除舊(jiu)涵洞的工(gong)(gong)(gong)作(zuo)(zuo)(zuo)(zuo),在拆除舊(jiu)涵洞的同時,抓緊基(ji)礎材料(liao)(liao)的備(bei)(bei)料(liao)(liao)工(gong)(gong)(gong)作(zuo)(zuo)(zuo)(zuo),備(bei)(bei)料(liao)(liao)完成,并經檢驗合格后(hou)方可(ke)進(jin)行基(ji)坑的開挖(wa)工(gong)(gong)(gong)作(zuo)(zuo)(zuo)(zuo)。金屬波(bo)紋(wen)涵管(guan)應用于(yu)新建公路工(gong)(gong)(gong)程(cheng)時,在定(ding)購金屬波(bo)紋(wen)涵管(guan)的同時可(ke)抓緊基(ji)礎材料(liao)(liao)的備(bei)(bei)料(liao)(liao)和基(ji)坑的開挖(wa)工(gong)(gong)(gong)作(zuo)(zuo)(zuo)(zuo)。(hanihanbj.com)
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