【外(wai)(wai)墻(qiang)鋁(lv)單(dan)板(ban)(ban)】外(wai)(wai)墻(qiang)鋁(lv)單(dan)板(ban)(ban)施工工藝 外(wai)(wai)墻(qiang)鋁(lv)單(dan)板(ban)(ban)施工流程(cheng)
1、工藝流程(cheng)放(fang)線→固定吊桿→安(an)裝配套龍骨→安(an)裝鋁條(tiao)板→清理
2、施工工藝
1)放線:放吊頂標(biao)高(gao)及龍(long)(long)骨位置(zhi)(zhi)(zhi)(zhi)線(xian): 依據室(shi)內標(biao)高(gao)控制線(xian)(點),用尺(chi)或(huo)水準(zhun)儀找出(chu)吊頂(ding)設計(ji)標(biao)高(gao)位置(zhi)(zhi)(zhi)(zhi),在四周墻上彈一道墨線(xian),作為(wei)吊頂(ding)標(biao)高(gao)控制線(xian)。彈線(xian)應(ying)(ying)清晰,位置(zhi)(zhi)(zhi)(zhi)應(ying)(ying)準(zhun)確。再按吊頂(ding)排(pai)版圖,在樓(lou)板(ban)上彈出(chu)主龍(long)(long)骨位置(zhi)(zhi)(zhi)(zhi)線(xian),最(zui)大(da)(da)間(jian)距(ju)(ju)應(ying)(ying)根據設計(ji)要求,不大(da)(da)于1200mm。然后在主龍(long)(long)骨位置(zhi)(zhi)(zhi)(zhi)線(xian)上用小(xiao)“十”字線(xian)標(biao)出(chu)吊桿(gan)的固定(ding)位置(zhi)(zhi)(zhi)(zhi),一般吊桿(gan)間(jian)距(ju)(ju)為(wei)900-1200mm,距(ju)(ju)主龍(long)(long)骨的端(duan)頭應(ying)(ying)不大(da)(da)于300mm,均勻布置(zhi)(zhi)(zhi)(zhi)。若遇較大(da)(da)設備(bei)或(huo)管道,吊桿(gan)間(jian)距(ju)(ju)大(da)(da)于1200mm時,宜采用型鋼扁擔來滿足(zu)吊桿(gan)間(jian)距(ju)(ju)。
2)固定吊桿:吊桿由角碼、鍍鋅角鋼及不小于8mm的通絲吊桿組成。吊桿與結構頂板通過膨脹螺栓連接。吊頂上的燈具、風口及檢修口和其他設(she)備(bei),應設(she)獨立吊桿(gan)安裝(zhuang),不(bu)得(de)固定(ding)在龍骨吊桿(gan)上(shang)。吊桿(gan)、角(jiao)碼(ma)等金屬件和焊接處應做防腐處理(li)。
3)安裝主龍骨:主龍骨采用(yong)鍍鋅方管,與(yu)吊桿通過(guo)吊掛件連接。
4)安(an)裝配(pei)(pei)套(tao)(tao)(tao)龍(long)骨(gu)(gu):配(pei)(pei)套(tao)(tao)(tao)龍(long)骨(gu)(gu)安(an)裝時采用(yong)螺絲與(yu)主(zhu)龍(long)骨(gu)(gu)固定(ding)連(lian)接(jie)。配(pei)(pei)套(tao)(tao)(tao)龍(long)骨(gu)(gu)的間(jian)距一般為900-1200mm。配(pei)(pei)套(tao)(tao)(tao)龍(long)骨(gu)(gu)端部懸挑應不大于300mm,否則應增加吊桿。配(pei)(pei)套(tao)(tao)(tao)龍(long)骨(gu)(gu)接(jie)長時,必(bi)須對(dui)接(jie),不得有搭接(jie),應采取專(zhuan)用(yong)連(lian)接(jie)件連(lian)接(jie)固定(ding),每(mei)段(duan)配(pei)(pei)套(tao)(tao)(tao)龍(long)骨(gu)(gu)的吊掛(gua)點不得少于2處,相(xiang)鄰兩根配(pei)(pei)套(tao)(tao)(tao)龍(long)骨(gu)(gu)的接(jie)頭要(yao)相(xiang)互錯開,不得放在同一吊桿檔內。配(pei)(pei)套(tao)(tao)(tao)龍(long)骨(gu)(gu)裝完后,應拉通(tong)線進(jin)行(xing)整體調平、調直,并調好起拱(gong)度,起拱(gong)高度按(an)設計(ji)要(yao)求確定(ding),一般為空(kong)間(jian)跨度的3‰-5‰。
5)安裝鋁(lv)單板:安裝時(shi),將(jiang)鋁(lv)單板雙手(shou)托起,把鋁(lv)單板的(de)兩邊的(de)折邊同時(shi)卡入龍骨的(de)卡槽內(nei)。施工時(shi)應從(cong)空間(jian)一端開始(shi),按(an)一個方向依次進行,拉(la)通線進行調整(zheng),將(jiang)板面調平,板邊與接縫調勻、調直(zhi),以確保板邊和接縫嚴(yan)密、順直(zhi),板面平整(zheng)。
6)清(qing)(qing)理(li):在整個施工(gong)過程中,應(ying)保(bao)護好金(jin)屬飾面(mian)(mian)板(ban)(ban)的保(bao)護膜。待交工(gong)前再撕(si)去(qu)保(bao)護膜,用專用清(qing)(qing)洗劑擦洗金(jin)屬飾面(mian)(mian)板(ban)(ban)表面(mian)(mian),將板(ban)(ban)面(mian)(mian)清(qing)(qing)理(li)干(gan)凈。