大直徑鋼波紋管拼裝方法你知道嗎?
1、搭設拼(pin)裝(zhuang)支架:搭設腳手架根據波紋管(guan)的直(zhi)(zhi)徑(jing)提前確定,采(cai)用管(guan)扣連接(jie)鋼管(guan)的方式搭設腳手架,形(xing)式分A型(xing)和(he)B型(xing)腳手架長度一般長25m、克0、6m、高為(wei)2d3(d為(wei)波紋管(guan)直(zhi)(zhi)徑(jing)),B型(xing)腳手架一般克為(wei)25m高依(yi)據波紋管(guan)直(zhi)(zhi)徑(jing)大小(xiao)拼(pin)裝(zhuang)接(jie)縫位(wei)置(zhi)確定尺寸(cun)。腳手架按(an)上述尺寸(cun)搭設便(bian)于施工、
2、拼裝類型與搭接方式:拼裝以中心(xin)軸線為基準,由中心(xin)向兩端對稱進行安(an)裝,直至兩端。1斷(duan)面(mian)(奇數(shu)斷(duan)面(mian))、Ⅱ斷(duan)面(mian)(偶(ou)數(shu)斷(duan)面(mian))、加強斷(duan)面(mian)(偶(ou)數(shu)斷(duan)管管片)
3、波(bo)紋管(guan)(guan)拼裝(zhuang)(zhuang)(zhuang):采(cai)用刻槽法(fa)施工的地基,安裝(zhuang)(zhuang)(zhuang)吊車依據(ju)刻槽深度,依次安裝(zhuang)(zhuang)(zhuang)底部管(guan)(guan)片。底部管(guan)(guan)片安裝(zhuang)(zhuang)(zhuang)完成后(hou)對(dui)剩余管(guan)(guan)片進行安裝(zhuang)(zhuang)(zhuang)。管(guan)(guan)片安裝(zhuang)(zhuang)(zhuang)同平基上的鋼波(bo)紋管(guan)(guan)施工。
首圈(quan)波紋(wen)(wen)管(guan)(guan)(guan)(guan)(guan)圈(quan)為奇數斷(duan)(duan)面,拼(pin)裝(zhuang)時應將(jiang)(jiang)管(guan)(guan)(guan)(guan)(guan)片(pian)立于(yu)地上安裝(zhuang),使用鐵(tie)鉤(gou)(gou)的(de)一端勾(gou)住I斷(duan)(duan)面片(pian)(1#管(guan)(guan)(guan)(guan)(guan)片(pian))波紋(wen)(wen)管(guan)(guan)(guan)(guan)(guan)管(guan)(guan)(guan)(guan)(guan)片(pian)螺(luo)(luo)絲囗,用12噸的(de)吊車勾(gou)住鐵(tie)鉤(gou)(gou)的(de)另一端,將(jiang)(jiang)波紋(wen)(wen)管(guan)(guan)(guan)(guan)(guan)片(pian)立于(yu)墊(dian)層上,然后使用同樣的(de)辦(ban)法將(jiang)(jiang)第二片(pian)(6#管(guan)(guan)(guan)(guan)(guan)片(pian))波紋(wen)(wen)管(guan)(guan)(guan)(guan)(guan)管(guan)(guan)(guan)(guan)(guan)片(pian)按(an)圖(tu)3、21斷(duan)(duan)面所示的(de)搭接(jie)(jie)方式放置,使用撬(qiao)棍將(jiang)(jiang)管(guan)(guan)(guan)(guan)(guan)片(pian)的(de)螺(luo)(luo)栓口對齊,將(jiang)(jiang)提前(qian)準備好的(de)螺(luo)(luo)栓螺(luo)(luo)紋(wen)(wen)部涂(tu)上渢滑劑(ji),由內冋外(wai)插(cha)入孔(kong)位;波紋(wen)(wen)管(guan)(guan)(guan)(guan)(guan)外(wai)側套上凹(ao)墊(dian)圈(quan)或凸(tu)墊(dian)圈(quan),遇波使用凸(tu)墊(dian)圈(quan),遇波峰使用凹(ao)墊(dian)圈(quan)墊(dian)圈(quan)外(wai)側旋(xuan)上螺(luo)(luo)母,在用套筒扳手預(yu)緊螺(luo)(luo)母,然后使用電動扳手緊固螺(luo)(luo)母兩塊板片(pian)洤全部安裝(zhuang)完(wan)畢(bi);波紋(wen)(wen)管(guan)(guan)(guan)(guan)(guan)的(de)螺(luo)(luo)栓安裝(zhuang)完(wan)畢(bi)后,需采用專(zhuan)用注膠槍于(yu)端部接(jie)(jie)合處(chu)、緊回件(jian)連接(jie)(jie)的(de)螺(luo)(luo)栓孔(kong)空隙處(chu)涂(tu)抹中(zhong)性硅酮耐候膠。緊接(jie)(jie)著按(an)2#管(guan)(guan)(guan)(guan)(guan)片(pian)、5#管(guan)(guan)(guan)(guan)(guan)片(pian)、3#管(guan)(guan)(guan)(guan)(guan)片(pian)、4#管(guan)(guan)(guan)(guan)(guan)片(pian)的(de)施工拼(pin)裝(zhuang)順序,拼(pin)裝(zhuang)好首圈(quan)波紋(wen)(wen)管(guan)(guan)(guan)(guan)(guan)圖(tu)36偶數、奇數斷(duan)(duan)面交替拼(pin)裝(zhuang)順序
4、加強斷面拼裝
當波(bo)紋管涵直徑(jing)較(jiao)大(da)、填土(tu)高度較(jiao)高時(shi),必須設置加(jia)(jia)強管片,稱為加(jia)(jia)強圈”,加(jia)(jia)強斷面的(de)管片安裝工序。
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