鋼波紋涵管是(shi)一(yi)種(zhong)柔性(xing)結(jie)構(gou),鋼波紋涵管在結(jie)構(gou)上(shang)具有橫向補(bu)償位移的特(te)(te)性(xing),能(neng)夠充分發揮(hui)鋼材抗拉功(gong)能(neng)強、抗變形才干的特(te)(te)色,具有較大的抗變形才干和抗沉降才干,特(te)(te)別(bie)適合于(yu)軟土、膨脹土、濕陷性(xing)黃土等地(di)基承載力較低的區域(yu)和地(di)震多發區域(yu)。
因為鋼(gang)波紋(wen)涵管(guan)施(shi)工(gong)(gong)(gong)簡(jian)略且施(shi)工(gong)(gong)(gong)工(gong)(gong)(gong)期(qi)短(duan)(一(yi)般一(yi)道(dao)涵洞的施(shi)工(gong)(gong)(gong)時刻(ke)大(da)約(yue)在10天(tian)-15天(tian)左(zuo)右)縮(suo)短(duan)了多年凍(dong)(dong)土的裸露時刻(ke),凍(dong)(dong)融量小,故特別適(shi)用于(yu)多年凍(dong)(dong)土區(qu)域(yu)。鋼(gang)波紋(wen)涵管(guan)施(shi)工(gong)(gong)(gong)時對(dui)周圍(wei)環(huan)境(jing)的損壞小,適(shi)用于(yu)生態環(huan)境(jing)脆(cui)弱的區(qu)域(yu)鋼(gang)波紋(wen)涵管(guan)施(shi)工(gong)(gong)(gong)中只需(xu)要對(dui)基礎進行砂(sha)礫回填處(chu)理(li),對(dui)進出(chu)口(kou)進行混凝土或砌(qi)石施(shi)工(gong)(gong)(gong)處(chu)理(li),對(dui)砂(sha)、石材、鋼(gang)筋等用量小,十分實用于(yu)砂(sha)石缺少的區(qu)域(yu)。
鋼波紋(wen)涵管選(xuan)用(yong)標準化規劃、工(gong)廠加工(gong)出產,出產不受環境影(ying)響(xiang),進行(xing)會合工(gong)廠化出產,出產周期短,實(shi)用(yong)于(yu)質量要求高(gao),工(gong)期緊(jin),基礎(chu)差的(de)工(gong)程項目(mu)。鋼波紋(wen)涵管結(jie)構受力狀況(kuang)合理,荷載(zai)散布均勻,并有一(yi)定的(de)抗變形才干。
削(xue)減(jian)或(huo)底子(zi)拋(pao)棄了慣例建材,如水泥、黃砂、石子(zi)、木材的運(yun)用,環保意義深遠。處理北方(fang)冰冷區域(霜凍)對橋梁和管(guan)砼結構的損壞問題。現場裝置便利(li),不需運(yun)用大型設備(bei)。雨(yu)期施工應(ying)提(ti)早(zao)安(an)排(pai),盡量安(an)排(pai)在降雨(yu)降臨前完結,基坑周邊有防水設施,避免邊水流入基坑內。
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