鋼波紋涵管承、插口(kou)(kou)中(zhong)心(xin)線(xian)對(dui)齊。管材現(xian)場(chang)轉移一(yi)般選用人工(gong),轉移時輕(qing)抬輕(qing)放,嚴禁直接(jie)在地面上遷延、滾(gun)壓(ya)。鋼波(bo)紋涵管接(jie)口(kou)(kou)時,應將承口(kou)(kou)內壁(bi)(bi)(bi)及插口(kou)(kou)外壁(bi)(bi)(bi)清洗干凈,一(yi)起在承口(kou)(kou)內壁(bi)(bi)(bi)及插口(kou)(kou)膠(jiao)圈位置涂上潤滑(hua)劑,然(ran)后將承口(kou)(kou)、插口(kou)(kou)中(zhong)心(xin)軸線(xian)對(dui)齊,選用手搬葫蘆等工(gong)具進(jin)行裝置。
朝陽冬季鋼波紋涵管有哪些施工事項要注意啦?
鋼波(bo)紋(wen)涵管洞(dong)(dong)作為一種新(xin)型的涵洞(dong)(dong)方式,主要是(shi)由鋼、鋁等(deng)資料組成的波(bo)紋(wen)狀管拼接而成的涵洞(dong)(dong)方式,具有(you)受力特(te)征突(tu)出(chu)、荷載應力會(hui)集渙散更(geng)大(da)的特(te)色(se),而且施(shi)工工期短、重量輕、裝置方便、耐久性好、工程造價低、抗變形(xing)才干較(jiao)強、通車(che)后維護本錢低廉(lian),特(te)別應用(yong)在高寒凍(dong)土區(qu)域,軟土路基地帶和深填土地帶。
具(ju)有顯著的(de)(de)經濟效益,因而在工(gong)(gong)程施工(gong)(gong)中也(ye)得到(dao)了應用。鋼波(bo)紋(wen)涵(han)管具(ju)有突出的(de)(de)路用功能,特別(bie)是(shi)對地基(ji)要求(qiu)低,施工(gong)(gong)簡易,能快(kuai)速裝置(zhi)。大(da)大(da)縮(suo)短工(gong)(gong)期,是(shi)一般涵(han)管無法相比的(de)(de),鋼波(bo)紋(wen)涵(han)管在公路新改建工(gong)(gong)程、路基(ji)維護工(gong)(gong)程中將發揮積J的(de)(de)效果。
朝陽冬季鋼波紋涵管有哪些施工事項要注意啦?
鋼(gang)(gang)波紋涵(han)管(guan)(guan)鋪(pu)設管(guan)(guan)槽應(ying)平整,無尖石(shi)和(he)軟土,為維護管(guan)(guan)道(dao)和(he)減少不(bu)均(jun)勻沉降,宜用(yong)大(da)粒徑礦礫加固。膠圈的(de)位置(zhi)應(ying)放置(zhi)在(zai)管(guan)(guan)道(dao)插口(kou)端(duan)的(de)個(ge)凹槽內。管(guan)(guan)道(dao)插口(kou)應(ying)順水(shui)流(liu),承口(kou)逆(ni)水(shui)流(liu)方向(xiang)裝置(zhi)。經實驗結果剖析(xi)得出再生公路鋼(gang)(gang)波紋涵(han)管(guan)(guan)梁開裂彎矩較一般公路鋼(gang)(gang)波紋涵(han)管(guan)(guan)梁降低8.2%。
聚丙(bing)烯(xi)(xi)纖維(wei)公(gong)(gong)路鋼波(bo)(bo)(bo)(bo)紋涵(han)(han)(han)管(guan)(guan)梁(liang)(liang)開(kai)裂彎(wan)矩大于(yu)一(yi)(yi)般(ban)公(gong)(gong)路鋼波(bo)(bo)(bo)(bo)紋涵(han)(han)(han)管(guan)(guan)梁(liang)(liang)9.1%,聚丙(bing)烯(xi)(xi)纖維(wei)再(zai)生公(gong)(gong)路鋼波(bo)(bo)(bo)(bo)紋涵(han)(han)(han)管(guan)(guan)梁(liang)(liang)開(kai)裂彎(wan)矩較再(zai)生公(gong)(gong)路鋼波(bo)(bo)(bo)(bo)紋涵(han)(han)(han)管(guan)(guan)梁(liang)(liang)前進14.1%;到達承(cheng)載才干限狀況(kuang)時(shi),再(zai)生公(gong)(gong)路鋼波(bo)(bo)(bo)(bo)紋涵(han)(han)(han)管(guan)(guan)梁(liang)(liang)大裂縫寬度高于(yu)一(yi)(yi)般(ban)公(gong)(gong)路鋼波(bo)(bo)(bo)(bo)紋涵(han)(han)(han)管(guan)(guan)梁(liang)(liang)16.1%,高于(yu)聚丙(bing)烯(xi)(xi)纖維(wei)再(zai)生公(gong)(gong)路鋼波(bo)(bo)(bo)(bo)紋涵(han)(han)(han)管(guan)(guan)梁(liang)(liang)23.2%,纖維(wei)阻裂功能顯著。
公路鋼波紋涵管因再生骨料的天然缺陷引起再生公路鋼波紋涵管外部微裂紋、漏洞較多,使公路鋼波紋涵管抗壓強度、抗拉強度等功能降低,限制了再生公路鋼波紋涵管的運用。在再生公路鋼波紋涵管中參加聚丙烯纖維(公路鋼波紋涵管纖維)以研宄聚丙烯纖維對再生公路鋼波紋涵管梁受彎功能的影響。//hanihanbj.com/
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