大家(jia)都知道船上的(de)(de)油(you)漆不僅是(shi)為(wei)了(le)(le)好看，更為(wei)了(le)(le)保(bao)護(hu)船體不生銹不被腐(fu)蝕，柔性防水(shui)(shui)一個作(zuo)用(yong)(yong)是(shi)為(wei)了(le)(le)因混(hun)凝(ning)土(tu)開裂引起的(de)(de)滲水(shui)(shui)，另一個關鍵作(zuo)用(yong)(yong)是(shi)為(wei)了(le)(le)保(bao)護(hu)混(hun)凝(ning)土(tu)的(de)(de)毛(mao)細孔不受侵蝕。現有(you)混(hun)凝(ning)土(tu)的(de)(de)設計(ji)已經(jing)達到防水(shui)(shui)要求了(le)(le)，臨(lin)滄911聚氨酯防水(shui)(shui)涂料(liao)，但現場施工混(hun)凝(ning)土(tu)很難(nan)做到密實和開裂還有(you)二(er)次澆筑接縫的(de)(de)問(wen)題。采用(yong)(yong)剛性防水(shui)(shui)材料(liao)應(ying)做在混(hun)凝(ning)土(tu)結構層上，不易做在底板墊(dian)層及找平層上，使用(yong)(yong)過程(cheng)應(ying)按要求做好保(bao)護(hu)和養護(hu)。

割去起鼓部分，露出基層(ceng)(ceng)，排除潮氣，等(deng)基層(ceng)(ceng)干了，再(zai)重新(xin)分層(ceng)(ceng)粘貼，每層(ceng)(ceng)卷材修補范圍應(ying)為(wei)空鼓處周邊外擴10厘米， 如(ru)果有(you)必要需要采用應(ying)用配(pei)套密封(feng)膠進行密封(feng)。彈性改(gai)性瀝青防(fang)水(shui)卷材施(shi)(shi)(shi)(shi)工(gong)(gong)(gong)前要做好以下幾點。1.施(shi)(shi)(shi)(shi)工(gong)(gong)(gong)前的(de)(de)技術(shu)準備工(gong)(gong)(gong)作；屋(wu)面工(gong)(gong)(gong)程施(shi)(shi)(shi)(shi)工(gong)(gong)(gong)前，911聚氨酯防(fang)水(shui)涂(tu)(tu)料(liao)批發價(jia)，施(shi)(shi)(shi)(shi)工(gong)(gong)(gong)單位應(ying)組織(zhi)技術(shu)管理人(ren)員會(hui)審(shen)屋(wu)面工(gong)(gong)(gong)程圖(tu)(tu)紙，911聚氨酯防(fang)水(shui)涂(tu)(tu)料(liao)廠家，掌握施(shi)(shi)(shi)(shi)工(gong)(gong)(gong)圖(tu)(tu)中(zhong)的(de)(de)細(xi)部構造及有(you)關技術(shu)要求并根(gen)據(ju)工(gong)(gong)(gong)程的(de)(de)實際情況編制屋(wu)面工(gong)(gong)(gong)程的(de)(de)施(shi)(shi)(shi)(shi)工(gong)(gong)(gong)方案或技術(shu)措施(shi)(shi)(shi)(shi)。

防(fang)(fang)治措施(shi)：溝(gou)(gou)(gou)內防(fang)(fang)水(shui)層(ceng)(ceng)(ceng)施(shi)工前，先(xian)檢查預(yu)制天(tian)(tian)溝(gou)(gou)(gou)的(de)(de)(de)接頭和屋面(mian)基層(ceng)(ceng)(ceng)結合處(chu)的(de)(de)(de)灌縫是否嚴密(mi)和平(ping)整，水(shui)落口(kou)杯要(yao)(yao)安裝好(hao)，911聚氨(an)酯防(fang)(fang)水(shui)涂(tu)料訂(ding)購，排水(shui)坡(po)度不宜(yi)小于 1%，溝(gou)(gou)(gou)底(di)陰角(jiao)要(yao)(yao)抹(mo)成(cheng)圓弧，轉(zhuan)角(jiao)處(chu)陽角(jiao)要(yao)(yao)抹(mo)成(cheng)鈍角(jiao)，用與卷材(cai)同性(xing)質的(de)(de)(de)涂(tu)膜做防(fang)(fang)水(shui)增強(qiang)層(ceng)(ceng)(ceng)，溝(gou)(gou)(gou)與屋面(mian)交接處(chu)空(kong)鋪寬(kuan)為200mm的(de)(de)(de)卷材(cai)條(tiao)，防(fang)(fang)水(shui)卷材(cai)必須鋪到(dao)天(tian)(tian)溝(gou)(gou)(gou)外(wai)邦(bang)頂面(mian)。天(tian)(tian)溝(gou)(gou)(gou)、檐溝(gou)(gou)(gou)出現裂縫，要(yao)(yao)將裂縫處(chu)的(de)(de)(de)防(fang)(fang)水(shui)層(ceng)(ceng)(ceng)割開，將基層(ceng)(ceng)(ceng)裂縫處(chu)鑿(zao)成(cheng)“V”形槽(cao)，上口(kou)寬(kuan)20mm，并掃刷干凈，再嵌(qian)填柔性(xing)密(mi)封(feng)膏，在(zai)縫上空(kong)鋪寬(kuan)200mm的(de)(de)(de)卷材(cai)條(tiao)作緩(huan)沖(chong)層(ceng)(ceng)(ceng)，然(ran)后(hou)滿粘貼寬(kuan)350mm的(de)(de)(de)卷材(cai)防(fang)(fang)水(shui)層(ceng)(ceng)(ceng)。