鋼波紋管進(jin)行預拉伸是不會(hui)影響補償(chang)量和自(zi)身壽(shou)命的(de)。這里需要(yao)闡明的(de)是預拉伸不能(neng)夠(gou)添(tian)加補償(chang)量的(de)大(da)小。鋼波紋(wen)管在進(jin)行軸(zhou)向預拉伸的(de)時分(fen)能(neng)夠(gou)提早(zao)由進(jin)行,假(jia)如需要(yao)其(qi)它的(de)方式(shi)變形則需要(yao)在裝置現場進(jin)行更詳細的(de)操(cao)作(zuo)。其(qi)中,環保(bao)方針的(de)從(cong)嚴使(shi)波紋(wen)管對水泥、混凝土制管的(de)替代(dai)性加強(qiang)。
而隨著我國(guo)治理城市(shi)內(nei)澇(lao)對相關污(wu)水規劃、排水規劃以及水土(tu)保持標準的(de)(de)進步,將帶(dai)來巨(ju)大(da)的(de)(de)市(shi)政工程改造需求(qiu)(qiu)。此(ci)外,先成型后鍍鋅(xin)工藝的(de)(de)環保問題將帶(dai)來熱軋重鍍鋅(xin)板的(de)(de)需求(qiu)(qiu)。尤其在高寒凍土(tu)、軟(ruan)土(tu)、脹大(da)土(tu)、濕陷性黃土(tu)等地帶(dai),具有明顯(xian)的(de)(de)經(jing)濟效。
鋼(gang)波(bo)紋管適應地(di)基變形才能(neng)(neng)強,對地(di)基承載(zai)才能(neng)(neng)、平整(zheng)度要求十(shi)分低,工(gong)(gong)(gong)程實際造價比(bi)同類跨(kua)徑(jing)的(de)橋涵(han)附近(jin)或較低。施工(gong)(gong)(gong)工(gong)(gong)(gong)期(qi)短是(shi)明顯的(de)優勢,土建工(gong)(gong)(gong)程與管節裝(zhuang)置可分隔施行。鋼(gang)波(bo)紋管結(jie)構受力狀況合理(li),荷載(zai)分布均勻,并有必(bi)定(ding)的(de)抗變形才能(neng)(neng)。
The steel bellows has strong adaptability to foundation deformation, and has very low requirements for foundation bearing capacity and flatness. The actual cost of the project is lower than that near or near bridges and culverts with similar spans. Short construction period is an obvious advantage, and civil works and pipe joint devices can be implemented separately. The steel bellows structure has reasonable stress condition, uniform load distribution and certain anti deformation ability.
鋼波(bo)(bo)(bo)紋(wen)(wen)管采用(yong)標(biao)準(zhun)化規劃,生產、規劃簡略,生產周期短。生產的(de)波(bo)(bo)(bo)紋(wen)(wen)涵管有利于(yu)改善軟土地基結構(gou)物與(yu)路堤(di)交(jiao)界處(chu)的(de)“錯臺”現象,進步行車的(de)舒服度與(yu)性(xing),減少(shao)工后營運、維護本(ben)錢。一是大規模(mo)基礎建設拉動內(nei)需,帶(dai)來公路、鐵路、水利等鋼質(zhi)波(bo)(bo)(bo)紋(wen)(wen)管傳統應用(yong)范疇(chou)的(de)剛性(xing)需求;二是應用(yong)技術日漸老練帶(dai)來的(de)應用(yong)范疇(chou)擴展。
如在國外已遍及應用的各種工業項目的內部管網、礦山、倉儲、水利設備等范疇;三是勞動力本錢和傳統建筑材料本錢上升將進步鋼質波紋管的競賽優勢;四是環保認識的增強和水土保持要求的進步,將帶來愈加的應用。//hanihanbj.com/
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