大直徑鋼波紋管拼裝方法你知道嗎?
1、搭設(she)(she)拼裝支(zhi)架(jia)(jia):搭設(she)(she)腳(jiao)手(shou)(shou)架(jia)(jia)根據波(bo)紋(wen)管(guan)的(de)直徑(jing)(jing)提前(qian)確(que)定(ding),采用管(guan)扣(kou)連接鋼管(guan)的(de)方式搭設(she)(she)腳(jiao)手(shou)(shou)架(jia)(jia),形(xing)式分(fen)A型和B型腳(jiao)手(shou)(shou)架(jia)(jia)長度一般長25m、克(ke)0、6m、高為2d3(d為波(bo)紋(wen)管(guan)直徑(jing)(jing)),B型腳(jiao)手(shou)(shou)架(jia)(jia)一般克(ke)為25m高依據波(bo)紋(wen)管(guan)直徑(jing)(jing)大小拼裝接縫位置確(que)定(ding)尺(chi)寸(cun)。腳(jiao)手(shou)(shou)架(jia)(jia)按(an)上(shang)述尺(chi)寸(cun)搭設(she)(she)便于施工、
2、拼裝(zhuang)類型與(yu)搭接方式(shi):拼裝(zhuang)以(yi)中心軸(zhou)線為基準,由中心向兩端對稱進行安裝(zhuang),直至兩端。1斷(duan)面(mian)(奇數斷(duan)面(mian))、Ⅱ斷(duan)面(mian)(偶數斷(duan)面(mian))、加強斷(duan)面(mian)(偶數斷(duan)管(guan)管(guan)片)
3、波紋(wen)管(guan)拼(pin)裝(zhuang)(zhuang)(zhuang):采用刻槽(cao)(cao)法施(shi)(shi)工的地基,安(an)(an)裝(zhuang)(zhuang)(zhuang)吊(diao)車依(yi)據刻槽(cao)(cao)深(shen)度,依(yi)次安(an)(an)裝(zhuang)(zhuang)(zhuang)底(di)部(bu)管(guan)片(pian)(pian)。底(di)部(bu)管(guan)片(pian)(pian)安(an)(an)裝(zhuang)(zhuang)(zhuang)完(wan)成后對剩余(yu)管(guan)片(pian)(pian)進行安(an)(an)裝(zhuang)(zhuang)(zhuang)。管(guan)片(pian)(pian)安(an)(an)裝(zhuang)(zhuang)(zhuang)同平基上的鋼波紋(wen)管(guan)施(shi)(shi)工。
首(shou)(shou)圈(quan)(quan)波(bo)紋(wen)(wen)管(guan)(guan)(guan)圈(quan)(quan)為奇數斷(duan)(duan)面(mian),拼裝時應將管(guan)(guan)(guan)片(pian)(pian)(pian)立于地上安(an)裝,使(shi)用(yong)(yong)(yong)鐵(tie)鉤的(de)(de)(de)一端勾住I斷(duan)(duan)面(mian)片(pian)(pian)(pian)(1#管(guan)(guan)(guan)片(pian)(pian)(pian))波(bo)紋(wen)(wen)管(guan)(guan)(guan)管(guan)(guan)(guan)片(pian)(pian)(pian)螺(luo)絲囗,用(yong)(yong)(yong)12噸(dun)的(de)(de)(de)吊車勾住鐵(tie)鉤的(de)(de)(de)另一端,將波(bo)紋(wen)(wen)管(guan)(guan)(guan)片(pian)(pian)(pian)立于墊(dian)層上,然后使(shi)用(yong)(yong)(yong)同樣的(de)(de)(de)辦法將第二(er)片(pian)(pian)(pian)(6#管(guan)(guan)(guan)片(pian)(pian)(pian))波(bo)紋(wen)(wen)管(guan)(guan)(guan)管(guan)(guan)(guan)片(pian)(pian)(pian)按圖3、21斷(duan)(duan)面(mian)所示(shi)的(de)(de)(de)搭接方(fang)式放置,使(shi)用(yong)(yong)(yong)撬棍將管(guan)(guan)(guan)片(pian)(pian)(pian)的(de)(de)(de)螺(luo)栓口對齊,將提前準備好(hao)的(de)(de)(de)螺(luo)栓螺(luo)紋(wen)(wen)部(bu)涂(tu)上渢滑劑,由(you)內冋外(wai)插入孔位;波(bo)紋(wen)(wen)管(guan)(guan)(guan)外(wai)側(ce)套上凹墊(dian)圈(quan)(quan)或凸(tu)墊(dian)圈(quan)(quan),遇波(bo)使(shi)用(yong)(yong)(yong)凸(tu)墊(dian)圈(quan)(quan),遇波(bo)峰使(shi)用(yong)(yong)(yong)凹墊(dian)圈(quan)(quan)墊(dian)圈(quan)(quan)外(wai)側(ce)旋(xuan)上螺(luo)母,在(zai)用(yong)(yong)(yong)套筒扳手預(yu)緊(jin)螺(luo)母,然后使(shi)用(yong)(yong)(yong)電動扳手緊(jin)固螺(luo)母兩(liang)塊板片(pian)(pian)(pian)洤全部(bu)安(an)裝完畢(bi);波(bo)紋(wen)(wen)管(guan)(guan)(guan)的(de)(de)(de)螺(luo)栓安(an)裝完畢(bi)后,需(xu)采(cai)用(yong)(yong)(yong)專(zhuan)用(yong)(yong)(yong)注膠槍(qiang)于端部(bu)接合(he)處(chu)(chu)、緊(jin)回件(jian)連接的(de)(de)(de)螺(luo)栓孔空隙處(chu)(chu)涂(tu)抹中性硅酮耐候(hou)膠。緊(jin)接著按2#管(guan)(guan)(guan)片(pian)(pian)(pian)、5#管(guan)(guan)(guan)片(pian)(pian)(pian)、3#管(guan)(guan)(guan)片(pian)(pian)(pian)、4#管(guan)(guan)(guan)片(pian)(pian)(pian)的(de)(de)(de)施工拼裝順序,拼裝好(hao)首(shou)(shou)圈(quan)(quan)波(bo)紋(wen)(wen)管(guan)(guan)(guan)圖36偶數、奇數斷(duan)(duan)面(mian)交替(ti)拼裝順序
4、加強斷面拼裝
當波紋管(guan)涵直徑較大、填土高(gao)(gao)度較高(gao)(gao)時,必須設置加(jia)強(qiang)(qiang)管(guan)片,稱為加(jia)強(qiang)(qiang)圈”,加(jia)強(qiang)(qiang)斷面的(de)管(guan)片安(an)裝工序(xu)。
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