鋼波紋管洞(dong)施(shi)工只需對根底和(he)進出口中止處置,減少了水泥(ni)、塊石、片(pian)石或碎石、砂等的用。鋼(gang)波紋管具有路(lu)用功(gong)能,尤其是(shi)對地基要求低(di)、施(shi)工簡易、能快速安裝、大(da)(da)大(da)(da)縮短工期是(shi)一般(ban)涵管無法比較(jiao)的,在公路(lu)新改建工程(cheng)(cheng)、路(lu)基維護工程(cheng)(cheng)中將發揮活躍的效果。
雞西鋼波紋管有幾種使用方式???
回(hui)(hui)(hui)填(tian)(tian)土鍍鋅波紋(wen)鋼(gang)(gang)涵(han)(han)管(guan)兩邊(bian)(bian)回(hui)(hui)(hui)填(tian)(tian)應(ying)采用(yong)(yong)砂研(yan)或與路基填(tian)(tian)料(liao)相同的(de)資料(liao)。波紋(wen)涵(han)(han)管(guan)兩邊(bian)(bian)回(hui)(hui)(hui)填(tian)(tian)應(ying)對(dui)稱施工(gong),分層(ceng)回(hui)(hui)(hui)填(tian)(tian),每層(ceng)厚度為20cm。鋼(gang)(gang)波紋(wen)管(guan)兩邊(bian)(bian)回(hui)(hui)(hui)填(tian)(tian)應(ying)采用(yong)(yong)振動(dong)夯實(shi)機逐層(ceng)夯實(shi)。密實(shi)度不小于95%。
鋼波(bo)紋管(guan)兩邊近處用機械夯實,管(guan)底(di)下方粗砂用“水密法”震蕩器振實。鋼波(bo)紋管(guan)可用于不同的(de)土(tu)質(zhi)地基,這是非(fei)常好的(de),可是不同的(de)土(tu)質(zhi)地基中(zhong)的(de)施工(gong)問題,又困擾著人們(men),為了(le)幫助大家,下面(mian)我們(men)來說說鋼波(bo)紋管(guan)在不同的(de)土(tu)質(zhi)地基怎么施工(gong)?
雞西鋼波紋管有幾種使用方式???
巖石地基(ji)波紋涵(han)管不(bu)(bu)能直接置(zhi)于巖石或混(hun)凝土基(ji)床上,因過于剛性(xing)的(de)支(zhi)承(cheng),不(bu)(bu)但(dan)(dan)會(hui)下(xia)降管壁自身所(suo)具有的(de)突出(chu)柔性(xing),并且還會(hui)減小涵(han)管的(de)承(cheng)載(zai)才干,影響我(wo)們的(de)出(chu)行。但(dan)(dan)是鋼波紋管適用于公路(lu)排(pai)水施工(gong),這是怎么(me)回事呢?
因為鋼(gang)波紋(wen)管涵洞(dong)采用規范化規劃、消(xiao)費(fei)(fei),規劃簡單(dan),消(xiao)費(fei)(fei)周期(qi)短(duan)、施工(gong)(gong)(gong)工(gong)(gong)(gong)期(qi)短(duan),現場設備不需(xu)運用大型設備,主要(yao)為組裝施工(gong)(gong)(gong)(一般(ban)一道涵洞(dong)的施工(gong)(gong)(gong)時(shi)間(jian)在(zai)一個(ge)工(gong)(gong)(gong)作日以內)。預留拱度埋設于一般(ban)土(tu)質地基上的波紋(wen)管涵,經過一段(duan)時(shi)間(jian)后,常會產生一定的下沉。
并且往往是管道中部大于兩端。因而,鋪設于路堤下的波紋管的管身要設置預留拱度。其大小根據地基土或許呈現的下沉量,涵底縱坡和填土高度等因素歸納考慮,一般可為管長的0.6%~1%,醉大不宜大于2%,以確保管道中部不呈現洼陷或滑坡。//hanihanbj.com/
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