"結構防水,主要(yao)是依(yi)靠結構構件材料自身的密(mi)實(shi)性(xing)及(ji)其(qi)某(mou)些構造措施(坡(po)度、埋設止水帶等(deng)),使(shi)結構構件起(qi)到防水作用。
雨(yu)天施(shi)工(gong)會使基層含水(shui)(shui)(shui)(shui)率(lv)增大,導致防(fang)水(shui)(shui)(shui)(shui)層粘(zhan)結不牢;氣溫(wen)過低時(shi)鋪(pu)貼(tie)卷材(cai),易(yi)出(chu)現開卷時(shi)卷材(cai)發硬(ying)、脆(cui)裂,嚴(yan)重影(ying)響防(fang)水(shui)(shui)(shui)(shui)層質(zhi)(zhi)量;低溫(wen)涂刷(shua)涂料,涂層易(yi)受凍且不成(cheng)膜;五級風(feng)以上進行防(fang)水(shui)(shui)(shui)(shui)層施(shi)工(gong)操作,難以確保防(fang)水(shui)(shui)(shui)(shui)層質(zhi)(zhi)量和人身安全。防(fang)水(shui)(shui)(shui)(shui)效(xiao)果的好(hao)壞,對建(jian)(jian)筑(zhu)物的質(zhi)(zhi)量至關(guan)重要,所以說防(fang)水(shui)(shui)(shui)(shui)工(gong)程在建(jian)(jian)筑(zhu)工(gong)程中(zhong)占有十分重要的地(di)位(wei)。在整個(ge)建(jian)(jian)筑(zhu)工(gong)程施(shi)工(gong)中(zhong),必須嚴(yan)格、認真地(di)做好(hao)建(jian)(jian)筑(zhu)防(fang)水(shui)(shui)(shui)(shui)工(gong)程。建(jian)(jian)筑(zhu)物滲透問題(ti)(ti)是建(jian)(jian)筑(zhu)物較為普遍的質(zhi)(zhi)量通(tong)病,也是住戶反(fan)映為強烈(lie)的問題(ti)(ti)。"
外墻(qiang)(qiang)面水(shui)(shui)平施(shi)工(gong)(gong)縫的防(fang)(fang)水(shui)(shui)處理:墻(qiang)(qiang)面水(shui)(shui)平施(shi)工(gong)(gong)縫加止(zhi)水(shui)(shui)條(tiao)的形(xing)(xing)式防(fang)(fang)止(zhi)滲(shen)水(shui)(shui)。墻(qiang)(qiang)面水(shui)(shui)平施(shi)工(gong)(gong)縫加止(zhi)水(shui)(shui)條(tiao)的形(xing)(xing)式防(fang)(fang)止(zhi)滲(shen)水(shui)(shui)。新舊砼的接(jie)縫處理。砼澆筑前24小(xiao)時,施(shi)工(gong)(gong)縫用高壓(ya)清水(shui)(shui)沖洗,并多次(ci)濕潤砼接(jie)槎面,使新舊砼有良好的接(jie)槎。由(you)于一(yi)場大雨(yu),外墻(qiang)(qiang)滲(shen)水(shui)(shui)。那么,我們都知道,一(yi)旦(dan)滲(shen)水(shui)(shui)持續(xu)很長(chang)一(yi)段(duan)時間(jian),很可能會(hui)降低墻(qiang)(qiang)體的使用壽命。涂料(liao)刷(shua)墻(qiang)(qiang)要一(yi)層(ceng)層(ceng)疊加,但(dan)是要注意,并不是涂料(liao)層(ceng)數越(yue)多越(yue)好,這樣會(hui)導致涂料(liao)過厚,從而干燥后(hou)裂開。
外墻(qiang)(qiang)防水(shui)(shui)應具(ju)有阻擋雨水(shui)(shui)、雪水(shui)(shui)侵入(ru)墻(qiang)(qiang)體的基本功能,并(bing)且(qie)應該具(ju)有抗凍融(rong)、耐高低溫(wen)、承受風(feng)載等性能。防水(shui)(shui)工程施工價格不(bu)(bu)是固定,也受到各種(zhong)各樣因素的影響,可以在(zai)防水(shui)(shui)施工之前先問清(qing)楚具(ju)體的價位。不(bu)(bu)同的建筑部位,對防水(shui)(shui)材料的要求不(bu)(bu)同。每種(zhong)材料都有各自(zi)的長處和短處,各種(zhong)材料之間只能互(hu)補,而不(bu)(bu)可取代,各自(zi)有用(yong)武(wu)之地。
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