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碳纖維布-板底碳纖維抗震加固步驟

發布日期:2020-05-09 16:07  瀏覽次數:

碳纖維布-板底碳纖維抗震加固步驟(圖1)

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碳纖維布實現原絲高純化、高強化、致密化以及表面光潔無暇是制備高性能碳纖維的首要任務。碳纖維系統工程需從原絲的聚合單體開始,實現一條龍生產。原絲質量既決定了碳纖維的性質,又制約其生產成本。**PAN原絲是制造高性能碳纖維的首要必備條件。雜質缺陷少化,這是提高碳纖維拉伸強度的根本措施,也是科技工作者研究的熱門課題。在某種意義上說,提高強度的過程實質上就是減少、減小缺陷的過程。
產品(pin)用途
1、梁、板等(deng)受彎(wan)構(gou)件(jian)的受拉區加固。
2、梁(liang)、柱沿與(yu)軸線垂直方向的受(shou)剪加固(gu)。
3、柱的抗震加固(gu)。
4、應(ying)用于特殊環境(高濕度、腐蝕(shi)等(deng))下鋼(gang)筋混(hun)凝土(tu)以及補(bu)強(qiang)(qiang)幅度較高的鋼(gang)筋混(hun)凝土(tu)結(jie)(jie)(jie)構(gou),橋墩碳(tan)(tan)纖(xian)(xian)(xian)維(wei)(wei)(wei)加(jia)(jia)(jia)(jia)(jia)固(gu)(gu)(gu)(gu),立柱碳(tan)(tan)纖(xian)(xian)(xian)維(wei)(wei)(wei)加(jia)(jia)(jia)(jia)(jia)固(gu)(gu)(gu)(gu),混(hun)凝土(tu)碳(tan)(tan)纖(xian)(xian)(xian)維(wei)(wei)(wei)加(jia)(jia)(jia)(jia)(jia)固(gu)(gu)(gu)(gu),煙囪碳(tan)(tan)纖(xian)(xian)(xian)維(wei)(wei)(wei)加(jia)(jia)(jia)(jia)(jia)固(gu)(gu)(gu)(gu),舊廠房碳(tan)(tan)纖(xian)(xian)(xian)維(wei)(wei)(wei)加(jia)(jia)(jia)(jia)(jia)固(gu)(gu)(gu)(gu),大梁碳(tan)(tan)纖(xian)(xian)(xian)維(wei)(wei)(wei)加(jia)(jia)(jia)(jia)(jia)固(gu)(gu)(gu)(gu),砼(tong)橫(heng)梁碳(tan)(tan)纖(xian)(xian)(xian)維(wei)(wei)(wei)加(jia)(jia)(jia)(jia)(jia)固(gu)(gu)(gu)(gu),房屋碳(tan)(tan)纖(xian)(xian)(xian)維(wei)(wei)(wei)加(jia)(jia)(jia)(jia)(jia)固(gu)(gu)(gu)(gu),結(jie)(jie)(jie)構(gou)碳(tan)(tan)纖(xian)(xian)(xian)維(wei)(wei)(wei)加(jia)(jia)(jia)(jia)(jia)固(gu)(gu)(gu)(gu),建(jian)筑(zhu)碳(tan)(tan)纖(xian)(xian)(xian)維(wei)(wei)(wei)加(jia)(jia)(jia)(jia)(jia)固(gu)(gu)(gu)(gu),建(jian)筑(zhu)結(jie)(jie)(jie)構(gou)加(jia)(jia)(jia)(jia)(jia)固(gu)(gu)(gu)(gu)補(bu)強(qiang)(qiang),樓板裂縫(feng)碳(tan)(tan)纖(xian)(xian)(xian)維(wei)(wei)(wei)加(jia)(jia)(jia)(jia)(jia)固(gu)(gu)(gu)(gu),無收縮水泥(ni)灌漿(jiang),橋梁碳(tan)(tan)纖(xian)(xian)(xian)維(wei)(wei)(wei)加(jia)(jia)(jia)(jia)(jia)固(gu)(gu)(gu)(gu),混(hun)凝土(tu)修復碳(tan)(tan)纖(xian)(xian)(xian)維(wei)(wei)(wei),抗震加(jia)(jia)(jia)(jia)(jia)固(gu)(gu)(gu)(gu),裂縫(feng)修復碳(tan)(tan)纖(xian)(xian)(xian)維(wei)(wei)(wei)加(jia)(jia)(jia)(jia)(jia)固(gu)(gu)(gu)(gu)等(deng)各種加(jia)(jia)(jia)(jia)(jia)固(gu)(gu)(gu)(gu)工程。
碳纖維布加固工藝
(1)根據設計圖要(yao)(yao)求在所需加固部位(wei)定位(wei),劃好(hao)粘貼部位(wei)線,然后對混凝土表面進行處理, 利用噴砂(sha)機或(huo)機械打磨(mo)清除砼(tong)構件粘貼面上的粉(fen)刷層松散的砂(sha)粒、已被腐(fu)蝕的砼(tong)組(zu)織等(deng),凸出部位(wei)要(yao)(yao)削平。在轉角部位(wei)要(yao)(yao)倒(dao)成 R>20MM 。
(2)修補(bu)找(zhao)平(ping):砼表面凹下部(bu)位應使用修補(bu)膠 碳纖(xian)維(wei)膠 膠,摻入兩倍(bei)重量的白水泥或重質碳酸(suan)鈣找(zhao)平(ping), 段差和(he)轉(zhuan)角部(bu)位用修補(bu)膠抹成平(ping)滑(hua)曲面。
(3)涂底膠(jiao)(jiao)(jiao):用吹(chui)風(feng)機或吸(xi)塵(chen)器(qi)除盡砼表面(mian)(mian)的(de)(de)灰塵(chen),丙酮擦拭處理去除油污。將(jiang)底膠(jiao)(jiao)(jiao)( 碳纖(xian)維膠(jiao)(jiao)(jiao))甲、乙組分(fen)按 1:3 的(de)(de)重量分(fen)別混合(he)均勻(yun)(yun)。使用滾刷或毛刷均勻(yun)(yun)的(de)(de)涂抹(mo)至粘貼面(mian)(mian)。 調好的(de)(de)底膠(jiao)(jiao)(jiao)要在規定的(de)(de)時間內用完(wan)。當指觸干時(常(chang)溫下(xia)(xia) 3-5 小時)方可下(xia)(xia)步施工。
(4)貼碳纖(xian)(xian)維(wei)布(bu): 碳纖(xian)(xian)維(wei)膠(jiao)(jiao)(jiao) 膠(jiao)(jiao)(jiao)甲、乙組分按(an) 1:3 的(de)(de)重量(liang)分別混合均(jun)勻,使(shi)用滾(gun)壓(ya)促使(shi)粘(zhan)(zhan)(zhan)刷(shua)(shua)、刮(gua)板蘸膠(jiao)(jiao)(jiao)均(jun)勻的(de)(de)涂(tu)抹到砼粘(zhan)(zhan)(zhan)接(jie)面(mian)上,涂(tu)刷(shua)(shua)量(liang)約 600-800 克平米(mi),將碳纖(xian)(xian)維(wei)布(bu)貼上,使(shi)用硬橡(xiang)膠(jiao)(jiao)(jiao)輥或塑(su)料刮(gua)板**碾壓(ya),趕出氣泡, 促使(shi)粘(zhan)(zhan)(zhan)合劑滲透(tou),底(di)層粘(zhan)(zhan)(zhan)浸(jin)膠(jiao)(jiao)(jiao)充分滲透(tou)后刮(gua)涂(tu)上層膠(jiao)(jiao)(jiao),涂(tu)刷(shua)(shua)量(liang)約 200/平米(mi),往(wang)(wang)復(fu)刮(gua)涂(tu)使(shi)粘(zhan)(zhan)(zhan)合劑滲入到彈性(xing)纖(xian)(xian)維(wei)中(zhong)去,常溫下(xia) 1-2 小時后,在使(shi)用硬橡(xiang)膠(jiao)(jiao)(jiao)或塑(su)料刮(gua)板往(wang)(wang)復(fu)輾(zhan)壓(ya)可(ke)能出現的(de)(de)浮動或錯動,后一層碳纖(xian)(xian)維(wei)布(bu)表面(mian)應(ying)均(jun)勻涂(tu)刷(shua)(shua)一道粘(zhan)(zhan)(zhan)合劑。

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