鋼波紋涵管是一種柔性(xing)結構,鋼波(bo)紋(wen)涵管在結構上具(ju)有橫向(xiang)補償位移的(de)特(te)性(xing),能夠充分發揮鋼材抗拉功(gong)能強、抗變(bian)(bian)形才(cai)干(gan)的(de)特(te)色,具(ju)有較(jiao)大的(de)抗變(bian)(bian)形才(cai)干(gan)和(he)抗沉降才(cai)干(gan),特(te)別適(shi)合(he)于軟土(tu)(tu)、膨脹(zhang)土(tu)(tu)、濕(shi)陷性(xing)黃土(tu)(tu)等地(di)基承載力較(jiao)低(di)的(de)區(qu)(qu)域和(he)地(di)震多(duo)發區(qu)(qu)域。
東莞鋼波紋涵管為何如此經濟耐用?
因為(wei)鋼波(bo)紋涵管(guan)施(shi)(shi)工(gong)(gong)(gong)(gong)簡(jian)略且施(shi)(shi)工(gong)(gong)(gong)(gong)工(gong)(gong)(gong)(gong)期短(duan)(一(yi)般(ban)一(yi)道涵洞的施(shi)(shi)工(gong)(gong)(gong)(gong)時刻大約在10天(tian)-15天(tian)左右)縮短(duan)了多(duo)年凍土的裸露時刻,凍融(rong)量小(xiao)(xiao),故特別適用于多(duo)年凍土區(qu)域。鋼波(bo)紋涵管(guan)施(shi)(shi)工(gong)(gong)(gong)(gong)時對周(zhou)圍環境(jing)的損壞小(xiao)(xiao),適用于生(sheng)態環境(jing)脆弱的區(qu)域鋼波(bo)紋涵管(guan)施(shi)(shi)工(gong)(gong)(gong)(gong)中(zhong)只需要(yao)對基礎(chu)進行砂礫回填處理,對進出口進行混(hun)凝土或砌石(shi)施(shi)(shi)工(gong)(gong)(gong)(gong)處理,對砂、石(shi)材、鋼筋(jin)等(deng)用量小(xiao)(xiao),十(shi)分實(shi)用于砂石(shi)缺少的區(qu)域。
鋼(gang)(gang)波(bo)紋涵(han)管(guan)選用(yong)標準化規(gui)劃、工(gong)廠加工(gong)出產(chan),出產(chan)不受(shou)環(huan)境影響,進行會合工(gong)廠化出產(chan),出產(chan)周期短,實用(yong)于質量(liang)要求高,工(gong)期緊(jin),基礎差的工(gong)程項目。鋼(gang)(gang)波(bo)紋涵(han)管(guan)結(jie)構(gou)受(shou)力狀況合理,荷載散布均勻,并有一定的抗變(bian)形才干。
東莞鋼波紋涵管為何如此經濟耐用?
削減或底子拋棄(qi)了慣例(li)建材,如水泥、黃(huang)砂、石子、木材的(de)運用,環保意義深遠(yuan)。處理北方冰冷區域(霜(shuang)凍)對橋梁和(he)管砼結(jie)構(gou)的(de)損壞問題。現(xian)場裝置(zhi)便利,不需(xu)運用大(da)型(xing)設備。雨(yu)期施工應提(ti)早安排,盡(jin)量安排在降雨(yu)降臨(lin)前完結(jie),基坑(keng)周(zhou)邊有(you)防(fang)水設施,避免邊水流入基坑(keng)內。
增加(jia)砂(sha)、石料含水(shui)量檢測頻(pin)率,及時調整混凝(ning)土合作比,確保混凝(ning)土拌(ban)和(he)質(zhi)量。應特別注意做好(hao)供電(dian)(dian)線路保護(hu),現場(chang)機電(dian)(dian)設備的電(dian)(dian)閘箱應采取隱瞞、防潮措施,電(dian)(dian)線做到絕緣良好(hao),避免漏觸(chu)電(dian)(dian)事端發(fa)生。
從資料(liao)與構(gou)造和功用(yong)的(de)實質關系上(shang)分(fen)析,選用(yong)柔性高,強(qiang)度的(de)鋼波(bo)紋(wen)涵管洞,不只具有習氣地(di)(di)基(ji)(ji)與基(ji)(ji)礎(chu)變形的(de)才干,能夠處理(li)因(yin)地(di)(di)基(ji)(ji)基(ji)(ji)礎(chu)不均勻(yun)沉降導致(zhi)的(de)涵洞損壞(huai)疑問,而且鋼波(bo)紋(wen)涵管洞因(yin)為軸(zhou)向波(bo)紋(wen)的(de)存(cun)在使(shi)其具有的(de)受力特征,軸(zhou)向和徑向一同散布(bu)因(yin)荷載引起的(de)應力應變,能夠更大程度上(shang)松散荷載的(de)應力會合,更好地(di)(di)發揮鋼構(gou)造的(de)優勢。
焊接時環境溫度應不低于-20℃,且應采取防雪、擋風等措施,削減焊件的溫度差。焊接后的接頭嚴禁當即接觸冰雪。冬期拌和混凝土時應嚴格操控混凝土的合作比和坍落度,集料不得帶有冰雪和凍結團塊。鋼波紋涵管投料前,應先選用熱水或蒸汽沖洗拌和機拌盤或鼓筒。//hanihanbj.com/
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