盤(pan)扣(kou)式(shi)鋼(gang)管(guan)(guan)架(jia)(jia)主(zhu)要(yao)靠承插式(shi)的(de)節點(dian)進(jin)行構(gou)件的(de)連(lian)接，其架(jia)(jia)體內部也有(you)對應的(de)斜桿與(yu)承插口連(lian)接固定，但由于(yu)(yu)其桿件的(de)單元化，架(jia)(jia)體整體穩定性(xing)還(huan)需進(jin)一(yi)步增強，大口徑(jing)鋼(gang)管(guan)(guan)出租(zu)，主(zhu)要(yao)通(tong)過鋼(gang)管(guan)(guan)形(xing)成(cheng)剪(jian)(jian)(jian)(jian)刀(dao)撐(cheng)(cheng)(cheng)(cheng)(cheng)來提(ti)高盤(pan)扣(kou)鋼(gang)管(guan)(guan)架(jia)(jia)的(de)整體穩定性(xing)。由于(yu)(yu)剪(jian)(jian)(jian)(jian)刀(dao)撐(cheng)(cheng)(cheng)(cheng)(cheng)布置(zhi)只(zhi)能由鋼(gang)管(guan)(guan)組成(cheng)，故(gu)可參考(kao)扣(kou)件式(shi)鋼(gang)管(guan)(guan)腳手架(jia)(jia)技術規(gui)范來對盤(pan)扣(kou)式(shi)鋼(gang)管(guan)(guan)架(jia)(jia)安裝剪(jian)(jian)(jian)(jian)刀(dao)撐(cheng)(cheng)(cheng)(cheng)(cheng)。剪(jian)(jian)(jian)(jian)刀(dao)撐(cheng)(cheng)(cheng)(cheng)(cheng)搭設分為(wei)水(shui)平(ping)(ping)剪(jian)(jian)(jian)(jian)刀(dao)撐(cheng)(cheng)(cheng)(cheng)(cheng)和豎向(xiang)剪(jian)(jian)(jian)(jian)刀(dao)撐(cheng)(cheng)(cheng)(cheng)(cheng)，而(er)豎向(xiang)剪(jian)(jian)(jian)(jian)刀(dao)撐(cheng)(cheng)(cheng)(cheng)(cheng)可分為(wei)縱向(xiang)和橫向(xiang)。水(shui)平(ping)(ping)剪(jian)(jian)(jian)(jian)刀(dao)撐(cheng)(cheng)(cheng)(cheng)(cheng)宜(yi)在豎向(xiang)剪(jian)(jian)(jian)(jian)刀(dao)撐(cheng)(cheng)(cheng)(cheng)(cheng)斜桿相交平(ping)(ping)面設置(zhi)。

如果鋼(gang)(gang)(gang)管焊(han)縫(feng)(feng)存(cun)在缺陷，如氣孔、夾渣(zha)、裂紋(wen)等(deng)，會(hui)影響(xiang)鋼(gang)(gang)(gang)管的(de)(de)強度和(he)密封性，大口徑鋼(gang)(gang)(gang)管哪家(jia)好，導致鋼(gang)(gang)(gang)管在焊(han)接過(guo)程中(zhong)(zhong)出現漏點(dian)、斷(duan)裂等(deng)問(wen)(wen)題(ti)(ti)，從而影響(xiang)到產(chan)(chan)品的(de)(de)質(zhi)(zhi)量(liang)和(he)安全性。在鋼(gang)(gang)(gang)管的(de)(de)生產(chan)(chan)和(he)使用過(guo)程中(zhong)(zhong)，需要(yao)對鋼(gang)(gang)(gang)管焊(han)縫(feng)(feng)進行嚴(yan)格的(de)(de)質(zhi)(zhi)量(liang)控制和(he)檢(jian)測(ce)，大口徑鋼(gang)(gang)(gang)管哪家(jia)靠譜，以確(que)保鋼(gang)(gang)(gang)管的(de)(de)質(zhi)(zhi)量(liang)和(he)安全性。為確(que)保焊(han)縫(feng)(feng)焊(han)接質(zhi)(zhi)量(liang)，特在產(chan)(chan)線(xian)增加渦輪焊(han)縫(feng)(feng)檢(jian)測(ce)設備，檢(jian)測(ce)每一支鋼(gang)(gang)(gang)管的(de)(de)焊(han)縫(feng)(feng)焊(han)接狀態，生產(chan)(chan)過(guo)程中(zhong)(zhong)在出現焊(han)縫(feng)(feng)問(wen)(wen)題(ti)(ti)會(hui)馬上報警，將(jiang)有問(wen)(wen)題(ti)(ti)的(de)(de)產(chan)(chan)品打(da)入成品包內。

腳(jiao)手架(jia)基礎經(jing)驗收合格(ge)后，按施工組織(zhi)設(she)計(ji)要求放線定位。鋼(gang)(gang)管(guan)的(de)外(wai)徑應(ying)(ying)(ying)為(wei)(wei)48-51毫(hao)米(mi)(mi)，壁(bi)厚應(ying)(ying)(ying)為(wei)(wei)3-3.5毫(hao)米(mi)(mi)，文(wen)山(shan)大口徑鋼(gang)(gang)管(guan)，長(chang)度應(ying)(ying)(ying)為(wei)(wei)4-6.5米(mi)(mi)和2.1-2.8米(mi)(mi)，腐蝕、彎曲、壓扁或(huo)開裂嚴重者不得使(shi)用。鋼(gang)(gang)管(guan)和扣(kou)件應(ying)(ying)(ying)有出(chu)廠合格(ge)證(zheng)，易(yi)碎、變形或(huo)打滑的(de)不得使(shi)用。鋼(gang)(gang)管(guan)腳(jiao)手架(jia)立(li)桿(gan)，應(ying)(ying)(ying)根(gen)據設(she)計(ji)要求，垂直穩定在(zai)金屬底座或(huo)墊木上，立(li)桿(gan)底座排水(shui)要保持通暢，禁止長(chang)期浸泡在(zai)水(shui)中(zhong)。鋼(gang)(gang)筋立(li)桿(gan)、大橫桿(gan)接(jie)頭(tou)應(ying)(ying)(ying)相互錯開，搭接(jie)長(chang)度不小(xiao)于(yu)1M，承插式管(guan)接(jie)頭(tou)不得小(xiao)于(yu)5CM，水(shui)平(ping)承插或(huo)接(jie)頭(tou)應(ying)(ying)(ying)穿銷，并用扣(kou)件連接(jie)，擰緊螺栓，不得用鐵絲綁牢。