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鋼結構建筑的防水問題該如何解決呢?

發布時(shi)間(jian): 2022-06-07 作者: 分享到:
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  陜西鋼結構屋面防水施工常見問題及對策

  (1)屋(wu)(wu)面板(ban)的安(an)裝(zhuang) 屋(wu)(wu)面板(ban)在安(an)裝(zhuang)時,有時穿(chuan)透式自攻螺絲連接的屋(wu)(wu)面板(ban)安(an)裝(zhuang)到位也不會漏水,目前有些(xie)公司為省(sheng)(sheng)造價省(sheng)(sheng)工時,往往省(sheng)(sheng)掉了小方型壓(ya)片(pian),若(ruo)屋(wu)(wu)面板(ban)波(bo)峰處(chu)先加小方型壓(ya)片(pian)再(zai)打自攻螺釘,必(bi)要時為保險再(zai)打硅硐(dong)玻璃(li)膠(jiao).

  (2)暗扣(kou)板(ban)有時漏(lou)水也較(jiao)嚴重,安裝好后往(wang)往(wang)很難(nan)檢查得出來,其中屋(wu)(wu)脊及檐口(kou)處(chu)、屋(wu)(wu)面板(ban)縱向搭(da)(da)(da)接處(chu)、各屋(wu)(wu)面泛水包角搭(da)(da)(da)接處(chu)、屋(wu)(wu)面板(ban)與采光(guang)瓦搭(da)(da)(da)接處(chu)、通風機(器(qi))處(chu)、氣(qi)樓處(chu)以及天溝處(chu)等眾多部位(wei)都存在漏(lou)水現象。

  (3)屋(wu)(wu)脊(ji)處,有些施工單位往(wang)往(wang)省掉了堵頭,或施工時堵頭未粘好(hao),而屋(wu)(wu)脊(ji)蓋板(ban)又沒(mei)有剪口(kou)使其(qi)下插擋風雨(yu),于是在沿海地帶也就(jiu)起不了作用(yong)!另外可以對屋(wu)(wu)面暗扣板(ban)在屋(wu)(wu)脊(ji)處用(yong)自做夾(jia)鉗把波(bo)谷往(wang)上(shang)翹,把在內天溝處的暗扣板(ban)波(bo)谷往(wang)下翹,也能起到防水倒流。

  (4)一(yi)(yi)(yi)(yi)般東(dong)南(nan)沿(yan)海地帶在屋面(mian)(mian)暗扣(kou)板的屋脊及(ji)檐口(kou)處(chu)、屋面(mian)(mian)板縱(zong)向搭(da)接處(chu)波谷(gu)上都打有(you)自攻(gong)(gong)釘(ding)(ding)作為(wei)抗(kang)(kang)(kang)風(feng)(feng)釘(ding)(ding),而這些明(ming)式抗(kang)(kang)(kang)風(feng)(feng)釘(ding)(ding)若施工時(shi)不注意,往往都會(hui)漏雨。其中屋脊及(ji)檐口(kou)處(chu)的抗(kang)(kang)(kang)風(feng)(feng)釘(ding)(ding)一(yi)(yi)(yi)(yi)般不會(hui)漏水,但屋面(mian)(mian)板縱(zong)向搭(da)接處(chu)一(yi)(yi)(yi)(yi)是抗(kang)(kang)(kang)風(feng)(feng)釘(ding)(ding)另外就(jiu)是搭(da)接處(chu)水倒(dao)流(liu)選(xuan)成(cheng)漏水現象就(jiu)較常見。暗扣(kou)板上明(ming)式自攻(gong)(gong)釘(ding)(ding)主要是施工時(shi)打釘(ding)(ding)未注意,在收尾時(shi)太(tai)過用力或用力方向不對(dui),造成(cheng)自攻(gong)(gong)釘(ding)(ding)墊(dian)片被(bei)壓碎或自攻(gong)(gong)釘(ding)(ding)被(bei)打歪,而安(an)裝人員一(yi)(yi)(yi)(yi)般不太(tai)注意。縱(zong)向搭(da)接處(chu)應有(you)兩道玻璃膠(jiao)或密封膠(jiao)及(ji)一(yi)(yi)(yi)(yi)道專(zhuan)用黑色丁基(ji)尼雙面(mian)(mian)膠(jiao)作防水倒(dao)流(liu)用(抗(kang)(kang)(kang)風(feng)(feng)釘(ding)(ding)下面(mian)(mian)兩道上一(yi)(yi)(yi)(yi)道),這三道都應在抗(kang)(kang)(kang)風(feng)(feng)釘(ding)(ding)附近,太(tai)遠則會(hui)因屋面(mian)(mian)檢修或其它(ta)原因而振動造成(cheng)膠(jiao)與屋面(mian)(mian)板松脫。

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