粘貼加固鋼板加工工藝

粘貼加固鋼板(ban)加工工藝

  (1)粘(zhan)貼(tie)鋼(gang)板加工區(qu)域混凝(ning)土表(biao)面處(chu)理(li):依據設(she)計圖(tu)的(de)要(yao)求并(bing)結合現場量測(ce)定位(wei)情況(kuang),在粘(zhan)鋼(gang)板加固(gu)補強區(qu)表(biao)面放出扁鋼(gang)帶位(wei)置大(da)樣,先鑿除(chu)粘(zhan)鋼(gang)區(qu)域表(biao)面2CM厚的(de)表(biao)層砂漿(jiang),使堅硬的(de)混凝(ning)土骨料(liao)外露,并(bing)形(xing)成平整的(de)粗糙面,表(biao)面不平整處(chu)應用(yong)(yong)尖鑿輕鑿整平。再用(yong)(yong)鋼(gang)絲(si)輪清(qing)除(chu)表(biao)面浮漿(jiang),剔(ti)除(chu)表(biao)面疏松物,最后用(yong)(yong)壓縮空氣吹凈(jing)表(biao)面粉塵。

  (2)鉆(zhan)孔(kong)(kong)(kong)(kong)植埋膨脹(zhang)螺栓:按照設(she)計(ji)圖(tu)植埋膨脹(zhang)螺栓螺桿,在(zai)鉆(zhan)孔(kong)(kong)(kong)(kong)打盲(mang)孔(kong)(kong)(kong)(kong)前,依據圖(tu)紙查明梁(liang)體鋼(gang)筋(jin)分(fen)布,避(bi)免鉆(zhan)孔(kong)(kong)(kong)(kong)打盲(mang)孔(kong)(kong)(kong)(kong)時碰及鋼(gang)筋(jin)或預應力管道,盲(mang)孔(kong)(kong)(kong)(kong)直(zhi)徑和(he)孔(kong)(kong)(kong)(kong)深按設(she)計(ji)圖(tu)紙施工,對(dui)鉆(zhan)好的盲(mang)孔(kong)(kong)(kong)(kong)先(xian)用壓縮空氣(qi)由孔(kong)(kong)(kong)(kong)底向孔(kong)(kong)(kong)(kong)外清理(li)孔(kong)(kong)(kong)(kong)內(nei)浮塵(chen),然后(hou)涂(tu)抹一(yi)層(ceng)薄薄的環(huan)(huan)(huan)氧樹脂類基(ji)液(ye),向盲(mang)孔(kong)(kong)(kong)(kong)內(nei)注入三分(fen)之二(er)孔(kong)(kong)(kong)(kong)深的環(huan)(huan)(huan)氧類結(jie)構膠(jiao)(jiao),然后(hou)將(jiang)涂(tu)有一(yi)層(ceng)環(huan)(huan)(huan)氧樹脂類基(ji)液(ye)薄漿的膨脹(zhang)螺栓螺桿緩慢轉動(dong)插入,然后(hou)補填環(huan)(huan)(huan)氧類結(jie)構膠(jiao)(jiao)使孔(kong)(kong)(kong)(kong)口填塞飽滿。

  (3)粘(zhan)貼扁(bian)(bian)鋼(gang)(gang)帶(dai)(dai)現(xian)場(chang)(chang)配套打孔與扁(bian)(bian)鋼(gang)(gang)粘(zhan)貼表面處理:依據現(xian)場(chang)(chang)實際放樣(yang)進行(xing)粘(zhan)貼扁(bian)(bian)鋼(gang)(gang)帶(dai)(dai)下料,并根據現(xian)場(chang)(chang)植埋的膨脹(zhang)螺栓螺桿,先對所(suo)粘(zhan)貼的扁(bian)(bian)鋼(gang)(gang)帶(dai)(dai)進行(xing)配套打孔(孔徑比螺桿大2mm),然后對扁(bian)(bian)鋼(gang)(gang)帶(dai)(dai)的粘(zhan)貼面用磨(mo)光砂輪機(ji)或鋼(gang)(gang)絲(si)刷磨(mo)機(ji)進行(xing)除銹(xiu)和粗(cu)糙處理,打磨(mo)粗(cu)糙度滿足(zu)規范要求,打磨(mo)紋路應與扁(bian)(bian)鋼(gang)(gang)帶(dai)(dai)受力方向垂(chui)直,最后用脫(tuo)脂棉蘸(zhan)工業丙酮將(jiang)扁(bian)(bian)鋼(gang)(gang)粘(zhan)貼面擦試干凈。

  (4)配置環氧膠砂、粘(zhan)貼(tie)扁鋼(gang)帶:先用工業丙酮(tong)清(qing)洗處(chu)理(li)后(hou)的(de)粘(zhan)鋼(gang)區域混凝(ning)土(tu)(tu)表面和扁鋼(gang)帶粘(zhan)貼(tie)面,再(zai)在混凝(ning)土(tu)(tu)表面和扁鋼(gang)帶粘(zhan)貼(tie)面涂(tu)抹一層薄而均勻的(de)環氧樹脂類結(jie)構膠(厚(hou)度(du)控(kong)制在2~4mm左右),然后(hou)再(zai)將扁鋼(gang)帶貼(tie)合(he)上。

  (5)加(jia)壓(ya)固定:將粘貼扁(bian)鋼帶貼合上,加(jia)墊片,緊(jin)固螺母,交替(ti)擰緊(jin)各加(jia)壓(ya)螺帽,使多余的膠(jiao)砂沿板縫擠出,達(da)到密(mi)貼程(cheng)度,加(jia)壓(ya)固定的壓(ya)力不小于0.15Mpa,同時要不斷(duan)輕輕敲(qiao)打扁(bian)鋼帶及(ji)時檢查扁(bian)鋼帶下環氧膠(jiao)砂的飽(bao)和(he)性。

  (6)固(gu)化(hua)檢驗(yan)與(yu)扁(bian)(bian)(bian)鋼(gang)帶表(biao)面的防(fang)腐(fu)處理:在完成粘(zhan)貼(tie)扁(bian)(bian)(bian)鋼(gang)帶24小時(shi)后,用小錘輕輕敲擊(ji)粘(zhan)貼(tie)扁(bian)(bian)(bian)鋼(gang),從聲音判斷粘(zhan)貼(tie)固(gu)化(hua)效(xiao)果,若發現鋼(gang)帶粘(zhan)貼(tie)固(gu)化(hua)面積小于90%,則此粘(zhan)貼(tie)扁(bian)(bian)(bian)鋼(gang)帶無效(xiao),應剝(bo)下重新(xin)粘(zhan)貼(tie)。經檢驗(yan)確(que)認(ren),扁(bian)(bian)(bian)鋼(gang)帶粘(zhan)貼(tie)固(gu)化(hua)效(xiao)果可(ke)靠后,清(qing)除(chu)扁(bian)(bian)(bian)鋼(gang)帶表(biao)面污垢(gou)和銹斑,涂(tu)兩(liang)層環氧(yang)防(fang)銹漆防(fang)腐(fu)。

耐磨板|耐磨板廠家價格| 耐磨鋼板現貨——法鋼(gang)(gang)特種鋼(gang)(gang)材(cai)(上海)有限公司(si)