鋼制波紋管涵(han)(han)施工時(shi),采用(yong)(yong)分段(duan)施工的(de)辦法,預先在(zai)原(yuan)拱(gong)涵(han)(han)基底用(yong)(yong)角鋼并排兩根,長(chang)度(du)依(yi)據涵(han)(han)長(chang)確定。作(zuo)鋼質涵(han)(han)管(guan)(guan)推進時(shi)的(de)滑軌(gui),波紋涵(han)(han)管(guan)(guan)管(guan)(guan)徑依(yi)據工程需求可(ke)有(you)分歧(qi)的(de)規格,束裝管(guan)(guan)管(guan)(guan)徑為0.5m--2.5m;每節管(guan)(guan)長(chang)度(du)3米左(zuo)右。
鋼波紋涵管(guan)采用分段施工的方法解析
采用內(外)法蘭螺栓銜接(jie)。拼裝涵管管徑為3m--8m。每個圓周偏向有4---15塊板(ban)(ban)構成,板(ban)(ban)與板(ban)(ban)搭接(jie)高(gao)強螺栓緊(jin)固(gu)。假如涵長(chang)小于30米,金屬波紋(wen)管涵兩側(ce)與原涵寬度大于80cm,可(ke)將整道金屬波紋(wen)管涵鄙人游或上游向一端(duan)推進,就位今后(hou),再進行一端(duan)擋(dang)墻的砌(qi)筑(zhu),周圍的回填任務(wu),可(ke)回填沙礫(li)、碎石土,砌(qi)筑(zhu)片石等,頂(ding)部采用漿(jiang)砌(qi)片石或高(gao)壓(ya)泵送膨脹水泥沙漿(jiang)。
假如(ru)涵(han)(han)(han)洞長大(da)于30米,鋼制波(bo)紋管(guan)(guan)涵(han)(han)(han)兩(liang)側(ce)與原涵(han)(han)(han)洞寬(kuan)度小于80cm,可(ke)將3m-6m長涵(han)(han)(han)管(guan)(guan)鄙人游或(huo)(huo)上游向一端推進,就位今后(hou),可(ke)以(yi)將其固定(ding),砌(qi)筑頂(ding)端的(de)片石(shi)(shi)端墻,鋼制波(bo)紋管(guan)(guan)涵(han)(han)(han)的(de)另一端與涵(han)(han)(han)洞間(jian)的(de)間(jian)距用(yong)沙袋或(huo)(huo)漿砌(qi)片石(shi)(shi)蓋住(zhu),寬(kuan)度50cm,然后(hou)開端回(hui)填。
兩側可(ke)用粗沙水(shui)密法(fa)密實(shi)或澆(jiao)注混凝土震(zhen)動棒搗實(shi);頂部(bu)采用高壓泵(beng)送膨脹(zhang)水(shui)泥沙漿(jiang)。該節管(guan)(guan)周圍填筑終(zhong)了(le)今(jin)后,將第二節管(guan)(guan)運(yun)至(zhi),進(jin)行兩管(guan)(guan)的銜(xian)接(jie),鋼制(zhi)波紋管(guan)(guan)涵的銜(xian)接(jie)方法(fa)為內(nei)法(fa)蘭螺栓銜(xian)接(jie),工(gong)人可(ke)在管(guan)(guan)內(nei)銜(xian)接(jie)。銜(xian)接(jie)終(zhong)了(le)后,以上述一樣的辦法(fa)進(jin)行回填。
鋼波紋(wen)涵管
依次進行(xing),完成(cheng)整道金屬波(bo)(bo)紋(wen)(wen)(wen)管(guan)(guan)(guan)涵的(de)(de)(de)建(jian)筑任務。波(bo)(bo)紋(wen)(wen)(wen)管(guan)(guan)(guan)涵是道路(lu)(lu)建(jian)設施工中需要用(yong)(yong)到的(de)(de)(de)一(yi)種涵管(guan)(guan)(guan),其在公路(lu)(lu)施工時所應(ying)(ying)用(yong)(yong)的(de)(de)(de)范圍也(ye)是極廣的(de)(de)(de),波(bo)(bo)紋(wen)(wen)(wen)管(guan)(guan)(guan)涵又分為金屬波(bo)(bo)紋(wen)(wen)(wen)管(guan)(guan)(guan)涵與鋼波(bo)(bo)紋(wen)(wen)(wen)管(guan)(guan)(guan)涵,根據外(wai)形不同還有(you)螺旋波(bo)(bo)紋(wen)(wen)(wen)管(guan)(guan)(guan)涵和異型波(bo)(bo)紋(wen)(wen)(wen)管(guan)(guan)(guan)涵的(de)(de)(de)分類,這些都在道路(lu)(lu)施工中普遍(bian)應(ying)(ying)用(yong)(yong)。(hanihanbj.com)
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