鋼波紋涵管是(shi)一種柔(rou)性(xing)結(jie)構,鋼波紋涵管在結(jie)構上具有橫向補償位(wei)移(yi)的特(te)性(xing),能(neng)夠(gou)充分發揮鋼材抗拉功能(neng)強、抗變形才(cai)干的特(te)色(se),具有較大的抗變形才(cai)干和抗沉降才(cai)干,特(te)別適合(he)于軟土、膨脹土、濕(shi)陷性(xing)黃土等地(di)基承載(zai)力較低的區域(yu)和地(di)震多發區域(yu)。
因(yin)為鋼波(bo)紋涵(han)管施(shi)(shi)工(gong)(gong)簡略(lve)且施(shi)(shi)工(gong)(gong)工(gong)(gong)期(qi)短(一(yi)般一(yi)道(dao)涵(han)洞的施(shi)(shi)工(gong)(gong)時(shi)刻大約(yue)在10天-15天左右(you))縮短了多年凍土(tu)的裸露時(shi)刻,凍融量(liang)小,故特別適用(yong)(yong)于多年凍土(tu)區域(yu)。鋼波(bo)紋涵(han)管施(shi)(shi)工(gong)(gong)時(shi)對(dui)周圍環(huan)境(jing)的損壞小,適用(yong)(yong)于生態環(huan)境(jing)脆弱(ruo)的區域(yu)鋼波(bo)紋涵(han)管施(shi)(shi)工(gong)(gong)中只需要對(dui)基礎(chu)進(jin)行砂(sha)(sha)礫(li)回填處理,對(dui)進(jin)出口進(jin)行混凝土(tu)或(huo)砌(qi)石施(shi)(shi)工(gong)(gong)處理,對(dui)砂(sha)(sha)、石材、鋼筋等用(yong)(yong)量(liang)小,十分實用(yong)(yong)于砂(sha)(sha)石缺少(shao)的區域(yu)。
鋼波(bo)紋涵管選用標準化規劃、工(gong)廠加工(gong)出產(chan)(chan),出產(chan)(chan)不(bu)受(shou)環境(jing)影(ying)響,進行會合工(gong)廠化出產(chan)(chan),出產(chan)(chan)周期短(duan),實用于質量要求高,工(gong)期緊,基礎(chu)差的工(gong)程(cheng)項目(mu)。鋼波(bo)紋涵管結構(gou)受(shou)力(li)狀況合理,荷載散布均勻,并(bing)有一定(ding)的抗變形才干。
削減或(huo)底子拋棄了慣例建材,如(ru)水(shui)泥(ni)、黃砂、石子、木(mu)材的(de)運用,環保意義(yi)深遠。處理北方冰冷區域(霜凍(dong))對橋梁和管砼(tong)結構的(de)損壞問(wen)題(ti)。現場裝(zhuang)置便利,不需(xu)運用大(da)型(xing)設備。雨期施(shi)工應(ying)提早安排,盡量安排在降(jiang)雨降(jiang)臨(lin)前完結,基坑周邊有(you)防水(shui)設施(shi),避免邊水(shui)流入基坑內(nei)。
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