鋼波紋涵管承、插口中(zhong)心(xin)線對(dui)齊。管材現場轉移一(yi)(yi)般選(xuan)用人工,轉移時(shi)輕抬輕放,嚴禁直接在地面上(shang)遷延、滾(gun)壓。鋼(gang)波紋涵管接口時(shi),應將承口內壁(bi)及(ji)插口外壁(bi)清洗干凈(jing),一(yi)(yi)起(qi)在承口內壁(bi)及(ji)插口膠圈位置涂上(shang)潤滑劑,然后將承口、插口中(zhong)心(xin)軸(zhou)線對(dui)齊,選(xuan)用手搬(ban)葫蘆等工具進行裝(zhuang)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)作為一種新型的(de)涵洞(dong)方(fang)式,主要是(shi)由鋼、鋁(lv)等(deng)資料組(zu)成(cheng)的(de)波(bo)紋(wen)狀管拼接而(er)成(cheng)的(de)涵洞(dong)方(fang)式,具有受力特征突出(chu)、荷(he)載應力會(hui)集渙散更(geng)大的(de)特色,而(er)且施工工期短(duan)、重(zhong)量輕、裝置方(fang)便、耐久性(xing)好、工程造價低、抗變形(xing)才干(gan)較強、通車后維護本錢(qian)低廉,特別應用在高(gao)寒凍(dong)土(tu)區(qu)域,軟土(tu)路基地帶(dai)和深填土(tu)地帶(dai)。
具有顯著的經濟效益,因而在工(gong)程(cheng)施工(gong)中也得到了應用。鋼波(bo)(bo)紋涵(han)管(guan)具有突出的路(lu)用功能(neng),特別是對地基要求低,施工(gong)簡易,能(neng)快速(su)裝(zhuang)置。大大縮短(duan)工(gong)期(qi),是一般(ban)涵(han)管(guan)無法(fa)相比的,鋼波(bo)(bo)紋涵(han)管(guan)在公(gong)路(lu)新(xin)改建工(gong)程(cheng)、路(lu)基維護工(gong)程(cheng)中將發揮積(ji)J的效果。
朝陽冬季鋼波紋涵管有哪些施工事項要注意啦?
鋼(gang)(gang)波(bo)(bo)紋涵管(guan)(guan)鋪設(she)管(guan)(guan)槽應平整,無尖(jian)石和(he)軟土,為(wei)維護管(guan)(guan)道(dao)和(he)減少不均(jun)勻沉降,宜用大粒徑礦(kuang)礫加固。膠(jiao)圈的位置(zhi)(zhi)應放置(zhi)(zhi)在管(guan)(guan)道(dao)插口端的個凹槽內(nei)。管(guan)(guan)道(dao)插口應順水流(liu),承口逆(ni)水流(liu)方向裝置(zhi)(zhi)。經實驗結果剖(pou)析(xi)得出再生公(gong)路(lu)鋼(gang)(gang)波(bo)(bo)紋涵管(guan)(guan)梁(liang)開裂(lie)彎矩較一般公(gong)路(lu)鋼(gang)(gang)波(bo)(bo)紋涵管(guan)(guan)梁(liang)降低8.2%。
聚丙(bing)烯纖維(wei)公(gong)(gong)(gong)路(lu)鋼(gang)(gang)(gang)波(bo)(bo)紋(wen)涵(han)管(guan)梁開裂(lie)彎矩(ju)大于一(yi)(yi)般(ban)公(gong)(gong)(gong)路(lu)鋼(gang)(gang)(gang)波(bo)(bo)紋(wen)涵(han)管(guan)梁9.1%,聚丙(bing)烯纖維(wei)再(zai)生(sheng)公(gong)(gong)(gong)路(lu)鋼(gang)(gang)(gang)波(bo)(bo)紋(wen)涵(han)管(guan)梁開裂(lie)彎矩(ju)較再(zai)生(sheng)公(gong)(gong)(gong)路(lu)鋼(gang)(gang)(gang)波(bo)(bo)紋(wen)涵(han)管(guan)梁前進(jin)14.1%;到達承載才干限狀況時,再(zai)生(sheng)公(gong)(gong)(gong)路(lu)鋼(gang)(gang)(gang)波(bo)(bo)紋(wen)涵(han)管(guan)梁大裂(lie)縫寬度高(gao)于一(yi)(yi)般(ban)公(gong)(gong)(gong)路(lu)鋼(gang)(gang)(gang)波(bo)(bo)紋(wen)涵(han)管(guan)梁16.1%,高(gao)于聚丙(bing)烯纖維(wei)再(zai)生(sheng)公(gong)(gong)(gong)路(lu)鋼(gang)(gang)(gang)波(bo)(bo)紋(wen)涵(han)管(guan)梁23.2%,纖維(wei)阻裂(lie)功能顯著(zhu)。
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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