鐵皮保(bao)溫工(gong)程施工(gong)的常見問(wen)題是什么?
鐵皮保(bao)溫(wen)(wen)層與木(mu)(mu)制(zhi)(zhi)支(zhi)(zhi)(zhi)架(jia)粘(zhan)接不緊(jin)密。在(zai)施(shi)工(gong)過程中(zhong)(zhong)(zhong),由(you)于(yu)工(gong)人(ren)保(bao)溫(wen)(wen)層長度測(ce)量不準確,工(gong)人(ren)在(zai)施(shi)工(gong)過程中(zhong)(zhong)(zhong)經常拉長保(bao)溫(wen)(wen)材料(liao)并粘(zhan)接。由(you)于(yu)數(shu)據本身具有彈性,拉伸(shen)后會收縮(suo)。隨著時間的推移,保(bao)溫(wen)(wen)數(shu)據和木(mu)(mu)制(zhi)(zhi)支(zhi)(zhi)(zhi)架(jia)之間的粘(zhan)接處(chu)出現了(le)開膠現象,這是保(bao)溫(wen)(wen)中(zhong)(zhong)(zhong)常見的質量問題之一。防治(zhi)措施(shi):在(zai)進料(liao)和粘(zhan)接過程中(zhong)(zhong)(zhong)不允許拉伸(shen)數(shu)據。同時,請(qing)在(zai)木(mu)(mu)制(zhi)(zhi)支(zhi)(zhi)(zhi)架(jia)兩側和保(bao)溫(wen)(wen)數(shu)據截面上涂膠,平均涂膠豐滿;木(mu)(mu)制(zhi)(zhi)支(zhi)(zhi)(zhi)架(jia)應(ying)選擇規則(ze)。如果(guo)木(mu)(mu)制(zhi)(zhi)支(zhi)(zhi)(zhi)架(jia)斷(duan)裂成幾塊,則(ze)應(ying)更換,以(yi)避(bi)免冷橋結(jie)露。
絕(jue)緣(yuan)數(shu)據之(zhi)間的(de)粘(zhan)接(jie)并不緊密。絕(jue)緣(yuan)數(shu)據之(zhi)間的(de)粘(zhan)接(jie)比較(jiao)常見,特(te)別是在水平(ping)管(guan)上方(fang)和垂直管(guan)側(ce)(ce)面(mian)的(de)絕(jue)緣(yuan)數(shu)據粘(zhan)接(jie)縫較(jiao)長,容易出現(xian)粘(zhan)接(jie)不牢固(gu)的(de)現(xian)象。這(zhe)主(zhu)要是由于切割過(guo)程(cheng)中數(shu)據截面(mian)不均勻(yun)、膠刷不均勻(yun)形(xing)成的(de),這(zhe)也是絕(jue)緣(yuan)過(guo)程(cheng)中常見的(de)質(zhi)量(liang)問題之(zhi)一。防治措施(shi):要求(qiu)施(shi)工(gong)人員(yuan)在進(jin)料過(guo)程(cheng)中使用尺子,不能(neng)徒手進(jin)料,涂膠時要求(qiu)平(ping)均,從(cong)一側(ce)(ce)逐(zhu)漸擠壓到另一側(ce)(ce),確保(bao)數(shu)據切割面(mian)能(neng)夠強烈(lie)粘(zhan)接(jie)。
彎(wan)頭(tou)(tou)處打開膠(jiao)水。鐵皮(pi)(pi)(pi)保(bao)(bao)溫時,一(yi)般(ban)要求(qiu)將保(bao)(bao)溫層(ceng)(ceng)接縫放置在鐵皮(pi)(pi)(pi)上(shang)方(fang),鐵皮(pi)(pi)(pi)彎(wan)頭(tou)(tou)上(shang)方(fang)經常(chang)出現保(bao)(bao)溫層(ceng)(ceng)開裂現象(xiang),導(dao)致部分保(bao)(bao)溫層(ceng)(ceng)過薄(bo),形(xing)成凝結(jie)水露。防治措施(shi):要求(qiu)施(shi)工(gong)人員不僅根據估(gu)計尺(chi)寸進行彎(wan)頭(tou)(tou)保(bao)(bao)溫,而且用軟(ruan)尺(chi)準確測量(liang)尺(chi)寸;下料截面(mian)平整(zheng);在鐵皮(pi)(pi)(pi)彎(wan)頭(tou)(tou)受力(li)較(jiao)大的中心涂膠(jiao)。
玻璃棉(mian)作(zuo)為(wei)一種保(bao)溫棉(mian),擁(yong)有(you)(you)導熱能力(li)低(di)、纖(xian)維柔(rou)和(he)長些、多孔(kong)吸(xi)聲(sheng)概(gai)構造好等(deng)優(you)點(dian),不但擁(yong)有(you)(you)較(jiao)好的(de)(de)(de)保(bao)溫能力(li),而且具有(you)(you)良好的(de)(de)(de)吸(xi)聲(sheng)效果,因此玻璃棉(mian)可制成墻板、天(tian)花板、空間吸(xi)聲(sheng)體等(deng)。雖然施工過(guo)程中會產(chan)生灰塵(chen),但經過(guo)工藝改進(jin),現有(you)(you)的(de)(de)(de)白色無甲醛(quan)玻璃棉(mian),幾乎(hu)沒有(you)(you)灰塵(chen)。