重慶(qing)榆林鋼波(bo)紋(wen)涵管(guan)帶(dai)您了解鋼波(bo)紋(wen)管(guan)涵的優勢您知道(dao)幾(ji)點?
鋼(gang)波紋(wen)管(guan)(guan)涵(han)具(ju)有卓越的(de)路(lu)用性(xing)能,尤(you)其(qi)是對地基要求(qiu)低,施工簡易,能快速安(an)裝。大大縮短工期(qi),是普通涵(han)管(guan)(guan)無法相比的(de),鋼(gang)波紋(wen)管(guan)(guan)涵(han)在公路(lu)新改(gai)建工程、路(lu)基養(yang)護工程中(zhong)將(jiang)發(fa)揮(hui)積極的(de)作用。鋼(gang)波紋(wen)管(guan)(guan)作為一種(zhong)柔性(xing)結構,它能較好地適應(ying)地基土的(de)不均勻(yun)沉降現象。鋼(gang)波紋(wen)管(guan)(guan)......更多
2019-09-17
重慶確保鋼波紋涵管的流通(tong)性及其關(guan)鍵!
鋼波(bo)紋(wen)管銜(xian)(xian)接(jie)時(shi)一(yi)(yi)般應逆水流方(fang)向銜(xian)(xian)接(jie),銜(xian)(xian)接(jie)前在根底上對應承(cheng)插(cha)口(kou)的(de)(de)方(fang)位(wei)挖(wa)一(yi)(yi)個凹槽,承(cheng)插(cha)設(she)備(bei)后(hou),用砂(sha)子(zi)填實;檢(jian)查插(cha)口(kou)推入承(cheng)口(kou)的(de)(de)方(fang)位(wei)是否符合要求,用挖(wa)尺伸(shen)入承(cheng)插(cha)口(kou)空(kong)隙中(zhong)檢(jian)查膠圈方(fang)位(wei)是否正確;設(she)備(bei)完(wan)(wan)畢(bi)設(she)置試壓孔,以確保整個福(fu)建波(bo)紋(wen)管管道設(she)備(bei)完(wan)(wan)畢(bi)之后(hou)的(de)(de)......更(geng)多
2019-09-06
重慶(qing)怎樣確定(ding)鋼(gang)波紋(wen)涵(han)管的硬度(du)值(zhi)?
鋼(gang)波紋(wen)涵(han)管(guan)洛氏(shi)(shi)硬(ying)度(du)(du)法的優(you)點:測(ce)量簡單、迅速,并可(ke)測(ce)薄的試(shi)(shi)樣和硬(ying)的材料,但不如(ru)用布(bu)氏(shi)(shi)硬(ying)度(du)(du)法準(zhun)確。當HBS>220時(shi),HRC/HBS約(yue)等(deng)于(yu)1/10。波紋(wen)涵(han)管(guan)洛氏(shi)(shi)硬(ying)度(du)(du)洛氏(shi)(shi)硬(ying)度(du)(du)試(shi)(shi)驗是用一定(ding)的載荷將頂角為120度(du)(du)的金剛石(shi)圓(yuan)錐體或(huo)直徑為1.588......更多(duo)
2019-09-03
重慶改善鋼波紋涵管焊接質量的方(fang)法(fa)
管(guan)道(dao)彎(wan)(wan)曲半徑(jing)受控于合金的(de)(de)(de)成(cheng)分(fen),一般小彎(wan)(wan)曲半徑(jing)為2d。理想的(de)(de)(de)焊(han)接條(tiao)件是焊(han)縫處于中(zhong)性(xing)或受壓(ya)狀(zhuang)態。而且,管(guan)道(dao)應(ying)進行(xing)退火處理以降(jiang)低其硬度,從(cong)而提高彎(wan)(wan)曲性(xing)能。一般有縫管(guan)和(he)無縫管(guan)的(de)(de)(de)化(hua)學(xue)成(cheng)分(fen)有一定差異(yi)。生產無縫管(guan)的(de)(de)(de)鋼材(cai)成(cheng)分(fen)僅僅是達到astm的(de)(de)(de)基本(ben)要求。改......更多(duo)
2019-08-28
重慶回(hui)填鋼波紋涵管(guan)的技術指標
管頂填(tian)土(tu)(tu)(tu)厚度(du)小(xiao)于(yu)50cm時,不得(de)(de)使用(yong)大(da)于(yu)6T的壓(ya)路(lu)機(ji)械(xie)碾壓(ya),也不允(yun)許(xu)施工機(ji)械(xie)通(tong)行。達到每種管徑的小(xiao)覆(fu)土(tu)(tu)(tu)厚度(du)后采用(yong)振動式壓(ya)路(lu)機(ji)碾壓(ya),可允(yun)許(xu)施工機(ji)械(xie)通(tong)行。填(tian)筑(zhu)必須在涵(han)管兩(liang)側(ce)(ce)同步對稱進行,兩(liang)側(ce)(ce)的回填(tian)土(tu)(tu)(tu)高差不得(de)(de)大(da)于(yu)30cm。回填(tian)鋼波紋涵(han)管的技術指標......更(geng)多(duo)
2019-08-23
重慶(qing)講(jiang)解鋼波紋涵管的施(shi)工工藝和技術
為了進(jin)(jin)行鋼波紋涵管施工(gong)工(gong)藝及技(ji)術的(de)分析(xi)以(yi)及闡釋,筆(bi)者以(yi)普通(tong)國道323線廣南(nan)段三(san)改二公路建設(she)為例(li),進(jin)(jin)行相(xiang)關的(de)分析(xi)。據悉(xi),該工(gong)程在實際(ji)的(de)建設(she)過程中,由于工(gong)期較為緊張,使得施工(gong)單位在實際(ji)的(de)工(gong)程建設(she)過程中將1~4.0m的(de)鋼波紋管涵取代1~4.0m的(de)......更多
2019-08-21
重慶涵(han)洞中安裝鋼波紋(wen)涵(han)管的幾個步驟
頂(ding)部(bu)及(ji)側(ce)面填(tian)(tian)(tian)筑(zhu)(zhu)范(fan)(fan)圍(wei)(wei)(wei)以外(wai)可采(cai)用路(lu)基填(tian)(tian)(tian)筑(zhu)(zhu)材料。挖方路(lu)基段,構造物兩側(ce)填(tian)(tian)(tian)筑(zhu)(zhu)砂礫,填(tian)(tian)(tian)筑(zhu)(zhu)范(fan)(fan)圍(wei)(wei)(wei)為不小(xiao)(xiao)于0.5米,頂(ding)部(bu)填(tian)(tian)(tian)筑(zhu)(zhu)范(fan)(fan)圍(wei)(wei)(wei)為不小(xiao)(xiao)于0.5米,回填(tian)(tian)(tian)材料要求(qiu)同基礎材料要求(qiu)。頂(ding)部(bu)及(ji)側(ce)面填(tian)(tian)(tian)筑(zhu)(zhu)范(fan)(fan)圍(wei)(wei)(wei)以外(wai)可采(cai)用路(lu)基填(tian)(tian)(tian)筑(zhu)(zhu)材料。涵洞中安裝鋼波紋涵管的幾個步驟鋼波紋涵管......更多(duo)
2019-08-19
重慶鋼波紋涵管可以降低多少(shao)施工成本?
質量(liang)輕。以內徑1m的(de)涵管為(wei)例,鋼(gang)波(bo)紋管涵每(mei)米(mi)質量(liang)為(wei)60~300kg(依波(bo)紋形式(shi)和(he)鋼(gang)板厚度而(er)定(ding)),僅為(wei)鋼(gang)筋砼(tong)圓(yuan)管涵質量(liang)的(de)4%~20%,這給(gei)施工運(yun)輸和(he)安裝帶(dai)來(lai)極(ji)大(da)(da)方便。采用工廠(chang)(chang)化(hua)生產(chan)(chan)。鋼(gang)波(bo)紋管一般是在(zai)工廠(chang)(chang)成(cheng)批生產(chan)(chan),可(ke)大(da)(da)大(da)(da)降低(di)成(cheng)本,質量(liang)穩定(ding)、可(ke)靠......更多(duo)
2019-08-14
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