鋼波紋涵管是一種柔性構造(zao)(zao),鋼波(bo)紋涵管在構造(zao)(zao)上具(ju)有橫(heng)向補償位(wei)移的(de)(de)特性,能(neng)(neng)夠充沛發(fa)揮鋼材抗拉性能(neng)(neng)強、抗變形(xing)才(cai)能(neng)(neng)特性,具(ju)有較(jiao)大的(de)(de)抗變形(xing)才(cai)能(neng)(neng)和抗沉降才(cai)能(neng)(neng),特別合適于軟土(tu)(tu)(tu)、收縮土(tu)(tu)(tu)、濕陷性黃土(tu)(tu)(tu)等(deng)地基承載力較(jiao)低(di)的(de)(de)地域(yu)和地震(zhen)多發(fa)地域(yu)。
淮南鋼波紋涵管是如何解決路橋問題呢?
也被道(dao)路(lu)(lu)和(he)鐵道(dao)路(lu)(lu)涵(han)(han)洞普(pu)遍應用,鋼鋼波紋涵(han)(han)管洞施(shi)工(gong)(gong)前準備相(xiang)關資(zi)料(liao)(liao),人員(yuan)及(ji)設(she)備進場,并做好施(shi)工(gong)(gong)時(shi)期的平安(an)防(fang)護工(gong)(gong)作(zuo),對路(lu)(lu)基邊(bian)坡(po)停(ting)止(zhi)圍(wei)網維護,避免石塊等物體(ti)下滑傷人。根(gen)底處(chu)置:可回填砂(sha)礫或砌筑(zhu)片石砼,對基底停(ting)止(zhi)平整,換填30-50cm厚的砂(sha)礫資(zi)料(liao)(liao),密實(shi)度到達(da)90%以上,選(xuan)擇恰當的流(liu)水縱(zong)坡(po)3%左右,定出每道(dao)涵(han)(han)的中線(xian)和(he)邊(bian)線(xian)。
圓形鋼(gang)(gang)波(bo)(bo)紋(wen)(wen)涵管(guan),鋼(gang)(gang)波(bo)(bo)紋(wen)(wen)涵管(guan),大(da)口徑鋼(gang)(gang)波(bo)(bo)紋(wen)(wen)涵管(guan),金(jin)(jin)屬鋼(gang)(gang)波(bo)(bo)紋(wen)(wen)涵管(guan)鋼(gang)(gang)波(bo)(bo)紋(wen)(wen)涵管(guan)的適用(yong)范(fan)圍:后張(zhang)(zhang)法預應(ying)力(li)鋼(gang)(gang)筋混凝(ning)(ning)土(tu)橋梁用(yong)預應(ying)力(li)金(jin)(jin)屬鋼(gang)(gang)波(bo)(bo)紋(wen)(wen)涵管(guan);鋼(gang)(gang)筋混凝(ning)(ning)土(tu)空心(xin)板(ban)板(ban)用(yong)預應(ying)力(li)金(jin)(jin)屬鋼(gang)(gang)波(bo)(bo)紋(wen)(wen)涵管(guan);梁板(ban)后張(zhang)(zhang)法鋼(gang)(gang)絞線的預留孔道(dao)。
淮南鋼波紋涵管是如何解決路橋問題呢?
由(you)于波(bo)紋管帶波(bo)紋,和混凝土分(fen)離較好(hao),且鋼絞線(xian)(xian)張(zhang)拉灌漿凝結后可以讓鋼絞線(xian)(xian)、水(shui)泥漿、梁(liang)板(ban)三者之間很好(hao)的分(fen)離,確保張(zhang)拉應力(li)的平(ping)均散(san)布(bu)及應力(li)損失。地腳螺栓(shuan)預留孔(kong)用金屬(shu)鋼波(bo)紋涵(han)管;建筑(zhu)、構筑(zhu)墻體、根(gen)底(di)管線(xian)(xian)預埋管。
由于(yu)(yu)鋼(gang)波紋(wen)(wen)涵管(guan)施(shi)(shi)(shi)工(gong)(gong)簡單(dan)且(qie)施(shi)(shi)(shi)工(gong)(gong)工(gong)(gong)期(qi)短(普通一道涵洞的(de)施(shi)(shi)(shi)工(gong)(gong)時間大約(yue)在10天-15天左(zuo)右)縮短了(le)多(duo)年凍(dong)土的(de)暴露時間,凍(dong)融量小,故特別適(shi)用(yong)于(yu)(yu)多(duo)年凍(dong)土地域(yu)。鋼(gang)波紋(wen)(wen)涵管(guan)施(shi)(shi)(shi)工(gong)(gong)時對(dui)四(si)周環(huan)境的(de)毀壞小,適(shi)用(yong)于(yu)(yu)生態環(huan)境脆(cui)弱的(de)地域(yu)鋼(gang)波紋(wen)(wen)涵管(guan)施(shi)(shi)(shi)工(gong)(gong)中只需求對(dui)根底(di)停止砂礫回填(tian)處(chu)置,對(dui)進出口停止混凝土或砌石(shi)(shi)施(shi)(shi)(shi)工(gong)(gong)處(chu)置,對(dui)砂、石(shi)(shi)材、鋼(gang)筋等(deng)用(yong)量小,十分適(shi)用(yong)于(yu)(yu)砂石(shi)(shi)缺乏的(de)地域(yu)。
這種方式都可以抵達供暖管(guan)道(dao)防銹處置的目地。金屬(shu)(shu)資(zi)(zi)料外表依據防銹處置處理后,應展(zhan)示(shi)出勻稱互相(xiang)的金屬(shu)(shu)質感,不應該有金屬(shu)(shu)資(zi)(zi)料空氣氧(yang)化或許其他防銹處置是對金屬(shu)(shu)資(zi)(zi)料鋼(gang)波紋涵管(guan)管(guan)道(dao)在刷涂(tu)防腐資(zi)(zi)料前(qian)展(zhan)開(kai)處理的一道(dao)關(guan)鍵工作,如今是肅清(qing)管(guan)道(dao)外表的浮塵、污漬、銹跡、焊穿(chuan)等(deng)殘物。
鋼波紋涵管施工時,采用分段施工的辦法,預先在原拱涵基底用角鋼并排兩根,長度依據涵長肯定,作涵管推進時的滑軌,鋼波紋涵管管徑依據工程需求可有不同的規格,整裝管管徑為0.5m-2.5m,每節長度3.06米,采用內(外)法蘭螺栓銜接,拼裝管管徑為3m-8m,板與板搭接高強螺栓緊固。//hanihanbj.com/
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