鋼波紋涵管是(shi)一(yi)種柔(rou)性(xing)構(gou)造,鋼(gang)波紋涵管(guan)在構(gou)造上具(ju)有橫向補償(chang)位移的(de)(de)特(te)性(xing),能(neng)夠充沛發揮鋼(gang)材(cai)抗拉(la)性(xing)能(neng)強、抗變形才(cai)(cai)能(neng)特(te)性(xing),具(ju)有較大的(de)(de)抗變形才(cai)(cai)能(neng)和(he)(he)抗沉降才(cai)(cai)能(neng),特(te)別合適于(yu)軟土、收縮土、濕陷性(xing)黃土等(deng)地基(ji)承載力(li)較低的(de)(de)地域和(he)(he)地震多發地域。
淮南鋼波紋涵管是如何解決路橋問題呢?
也被道(dao)路和鐵道(dao)路涵洞普遍(bian)應用,鋼(gang)鋼(gang)波紋涵管洞施工(gong)前準(zhun)備(bei)相關資(zi)料,人(ren)員及(ji)設備(bei)進場(chang),并做(zuo)好施工(gong)時期(qi)的(de)(de)平(ping)安防護工(gong)作,對路基邊坡停止圍網維護,避免(mian)石塊等物體下滑(hua)傷人(ren)。根底處置:可回填(tian)砂礫或砌(qi)筑片石砼,對基底停止平(ping)整,換填(tian)30-50cm厚(hou)的(de)(de)砂礫資(zi)料,密實度到達(da)90%以上,選擇恰(qia)當的(de)(de)流(liu)水縱(zong)坡3%左右,定出每道(dao)涵的(de)(de)中線和邊線。
圓形(xing)鋼(gang)(gang)(gang)波(bo)(bo)(bo)(bo)紋涵(han)管(guan)(guan)(guan)(guan),鋼(gang)(gang)(gang)波(bo)(bo)(bo)(bo)紋涵(han)管(guan)(guan)(guan)(guan),大口徑鋼(gang)(gang)(gang)波(bo)(bo)(bo)(bo)紋涵(han)管(guan)(guan)(guan)(guan),金屬鋼(gang)(gang)(gang)波(bo)(bo)(bo)(bo)紋涵(han)管(guan)(guan)(guan)(guan)鋼(gang)(gang)(gang)波(bo)(bo)(bo)(bo)紋涵(han)管(guan)(guan)(guan)(guan)的適用范圍:后張(zhang)法(fa)預應力(li)鋼(gang)(gang)(gang)筋(jin)混凝土(tu)橋梁用預應力(li)金屬鋼(gang)(gang)(gang)波(bo)(bo)(bo)(bo)紋涵(han)管(guan)(guan)(guan)(guan);鋼(gang)(gang)(gang)筋(jin)混凝土(tu)空心板板用預應力(li)金屬鋼(gang)(gang)(gang)波(bo)(bo)(bo)(bo)紋涵(han)管(guan)(guan)(guan)(guan);梁板后張(zhang)法(fa)鋼(gang)(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?
由于波紋(wen)(wen)管(guan)帶波紋(wen)(wen),和混凝土分離(li)較好(hao),且鋼絞線(xian)張拉灌漿凝結(jie)后(hou)可以讓鋼絞線(xian)、水泥漿、梁板三者之(zhi)間很好(hao)的分離(li),確保(bao)張拉應力的平均散(san)布及應力損失(shi)。地腳螺(luo)栓(shuan)預(yu)留孔用金屬鋼波紋(wen)(wen)涵管(guan);建筑、構筑墻體、根底(di)管(guan)線(xian)預(yu)埋(mai)管(guan)。
由于(yu)鋼(gang)波(bo)紋(wen)(wen)(wen)涵(han)(han)管(guan)施工(gong)(gong)簡單且施工(gong)(gong)工(gong)(gong)期短(duan)(普通一道(dao)涵(han)(han)洞的施工(gong)(gong)時間大(da)約在(zai)10天-15天左右)縮短(duan)了多(duo)年凍土的暴露時間,凍融量小,故特別(bie)適(shi)(shi)(shi)用(yong)于(yu)多(duo)年凍土地(di)域(yu)。鋼(gang)波(bo)紋(wen)(wen)(wen)涵(han)(han)管(guan)施工(gong)(gong)時對(dui)四周(zhou)環(huan)境(jing)的毀壞小,適(shi)(shi)(shi)用(yong)于(yu)生態環(huan)境(jing)脆弱的地(di)域(yu)鋼(gang)波(bo)紋(wen)(wen)(wen)涵(han)(han)管(guan)施工(gong)(gong)中只需(xu)求對(dui)根底停(ting)止砂(sha)礫(li)回填處(chu)置,對(dui)進(jin)出口停(ting)止混凝土或砌石(shi)施工(gong)(gong)處(chu)置,對(dui)砂(sha)、石(shi)材、鋼(gang)筋等用(yong)量小,十分適(shi)(shi)(shi)用(yong)于(yu)砂(sha)石(shi)缺乏的地(di)域(yu)。
這(zhe)種方式都可(ke)以抵達(da)供暖管(guan)(guan)道防(fang)銹處(chu)置(zhi)的目地(di)。金(jin)屬資料(liao)外表(biao)(biao)依據防(fang)銹處(chu)置(zhi)處(chu)理后,應展示出勻稱互相的金(jin)屬質感,不應該有金(jin)屬資料(liao)空氣(qi)氧化或許其(qi)他防(fang)銹處(chu)置(zhi)是(shi)對金(jin)屬資料(liao)鋼波(bo)紋涵管(guan)(guan)管(guan)(guan)道在刷涂(tu)防(fang)腐(fu)資料(liao)前展開處(chu)理的一道關(guan)鍵(jian)工(gong)作(zuo),如(ru)今是(shi)肅清管(guan)(guan)道外表(biao)(biao)的浮塵(chen)、污(wu)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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