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混(hun)(hun)(hun)凝(ning)土(tu)澆筑(zhu)正(zheng)值7~8月份高溫季節,易造(zao)成(cheng)混(hun)(hun)(hun)凝(ning)土(tu)坍(tan)落(luo)度損失(shi)加(jia)(jia)大(da),降低混(hun)(hun)(hun)凝(ning)土(tu)工(gong)作度方面的(de)(de)(de)要求,加(jia)(jia)之可能(neng)出現(xian)的(de)(de)(de)運輸(shu)途中(zhong)堵車或(huo)施工(gong)中(zhong)出現(xian)臨時(shi)(shi)需處(chu)理的(de)(de)(de)問題(ti),使澆搗速度減(jian)緩(huan),延(yan)誤了混(hun)(hun)(hun)凝(ning)土(tu)的(de)(de)(de)入模(mo)時(shi)(shi)間,因時(shi)(shi)間延(yan)長(chang)造(zao)成(cheng)混(hun)(hun)(hun)凝(ning)土(tu)坍(tan)落(luo)度損失(shi)加(jia)(jia)大(da),致(zhi)使不(bu)能(neng)滿足泵(beng)送要求,此時(shi)(shi)應嚴禁加(jia)(jia)入生(sheng)水(shui),而(er)應采取二次摻(chan)(chan)少量的(de)(de)(de)FDN2I減(jian)水(shui)劑(ji)的(de)(de)(de)后(hou)(hou)摻(chan)(chan)法,補償(chang)和(he)恢(hui)復(fu)混(hun)(hun)(hun)凝(ning)土(tu)的(de)(de)(de)坍(tan)落(luo)度損失(shi)。在配合比中(zhong)FDN2I減(jian)水(shui)劑(ji)量為(wei)0.8%,地般該減(jian)水(shui)劑(ji)的(de)(de)(de)摻(chan)(chan)量地高為(wei)1%,在后(hou)(hou)摻(chan)(chan)減(jian)水(shui)劑(ji)時(shi)(shi)只考慮在0.2%以(yi)(yi)內。后(hou)(hou)摻(chan)(chan)法比先摻(chan)(chan)法或(huo)同(tong)摻(chan)(chan)法在相同(tong)摻(chan)(chan)量下減(jian)水(shui)作用顯著提高,是能(neng)補償(chang)坍(tan)落(luo)度損失(shi)的(de)(de)(de)。但應注(zhu)意凡后(hou)(hou)摻(chan)(chan)減(jian)水(shui)劑(ji)的(de)(de)(de)運輸(shu)車,應快速攪(jiao)(jiao)拌30轉(zhuan)或(huo)1秒以(yi)(yi)上。其摻(chan)(chan)量和(he)攪(jiao)(jiao)拌時(shi)(shi)間由專(zhuan)人負(fu)責實施。
在鋪(pu)(pu)貼高(gao)分(fen)子(zi)(zi)防水(shui)(shui)卷(juan)(juan)材(cai)(cai)時,一般(ban)都會在施工前將驗收(shou)合格的基(ji)層(ceng)(ceng)清理干凈,并測(ce)定基(ji)層(ceng)(ceng)干燥(zao)度是否(fou)符(fu)合施工要求,按設計要求及卷(juan)(juan)材(cai)(cai)鋪(pu)(pu)貼方(fang)向(xiang)、搭(da)接(jie)寬(kuan)度放(fang)線定位(wei),并在基(ji)層(ceng)(ceng)彈上粉線;然后(hou)在涂(tu)刷(shua)(shua)(shua)膠粘(zhan)劑(ji)。那么如(ru)何使用(yong)(yong)平鋪(pu)(pu)法鋪(pu)(pu)貼高(gao)分(fen)子(zi)(zi)卷(juan)(juan)材(cai)(cai)呢(ni)?1、將高(gao)分(fen)子(zi)(zi)防水(shui)(shui)卷(juan)(juan)材(cai)(cai)拆去包裝紙后(hou)開卷(juan)(juan)鋪(pu)(pu)在基(ji)層(ceng)(ceng)上并對準粉線;2、先鋪(pu)(pu)離上料點遠處,后(hou)鋪(pu)(pu)近處;3、卷(juan)(juan)材(cai)(cai)與基(ji)層(ceng)(ceng)表面涂(tu)刷(shua)(shua)(shua)膠粘(zhan)劑(ji),涂(tu)刷(shua)(shua)(shua)方(fang)法有(1)條(tiao)粘(zhan)法: 將試鋪(pu)(pu)好的卷(juan)(juan)材(cai)(cai)在1/3幅寬(kuan)沿(yan)長(chang)邊對折,用(yong)(yong)油(you)刷(shua)(shua)(shua)沿(yan)長(chang)向(xiang)分(fen)別往卷(juan)(juan)材(cai)(cai)、基(ji)層(ceng)(ceng)表面均勻涂(tu)刷(shua)(shua)(shua)膠粘(zhan)劑(ji),呈長(chang)條(tiao)形,寬(kuan)度為150mm;(2)滿粘(zhan)法:將卷(juan)(juan)材(cai)(cai)鋪(pu)(pu)展(zhan)在干凈的基(ji)層(ceng)(ceng)上,將卷(juan)(juan)材(cai)(cai)沿(yan)1/2幅寬(kuan)對折,用(yong)(yong)長(chang)把滾(gun)刷(shua)(shua)(shua)蘸基(ji)層(ceng)(ceng)膠粘(zhan)劑(ji)滾(gun)涂(tu)卷(juan)(juan)材(cai)(cai)粘(zhan)結面與基(ji)層(ceng)(ceng)表面,應留出搭(da)接(jie)部位(wei)不涂(tu)膠,長(chang)短邊部位(wei)空出80mm,作搭(da)接(jie)用(yong)(yong)。
1、從(cong)事建筑防水(shui)(shui)(shui)(shui)工(gong)(gong)程(cheng)施(shi)工(gong)(gong)的(de)(de)(de)企業必須具有防水(shui)(shui)(shui)(shui)專業施(shi)工(gong)(gong)資質證書(shu),監理應(ying)對其企業資格及(ji)(ji)(ji)人(ren)員資格進(jin)(jin)行審查(cha)確(que)認(ren)。2、防水(shui)(shui)(shui)(shui)層(ceng)(ceng)(ceng)的(de)(de)(de)基層(ceng)(ceng)(ceng)必須堅固、平整、干(gan)凈(jing)、不(bu)(bu)起砂、不(bu)(bu)起皮(pi)。涂膠防水(shui)(shui)(shui)(shui)層(ceng)(ceng)(ceng)及(ji)(ji)(ji)嵌(qian)填密封材(cai)料的(de)(de)(de)基層(ceng)(ceng)(ceng)必須干(gan)燥。3、嚴格防水(shui)(shui)(shui)(shui)材(cai)料的(de)(de)(de)進(jin)(jin)場報驗(yan)程(cheng)序和(he)見證送檢(jian)(jian)制(zhi)度(du)(du)(du),經(jing)檢(jian)(jian)驗(yan)合格的(de)(de)(de)防水(shui)(shui)(shui)(shui)材(cai)料才準予(yu)用(yong)于工(gong)(gong)程(cheng)。4、柔性(xing)防水(shui)(shui)(shui)(shui)層(ceng)(ceng)(ceng)完成后必須及(ji)(ji)(ji)時(shi)做好保(bao)護(hu)層(ceng)(ceng)(ceng)。保(bao)護(hu)層(ceng)(ceng)(ceng)施(shi)工(gong)(gong)時(shi),應(ying)采取有效的(de)(de)(de)保(bao)護(hu)措施(shi),避免破壞(huai)防水(shui)(shui)(shui)(shui)層(ceng)(ceng)(ceng)。5、防水(shui)(shui)(shui)(shui)工(gong)(gong)程(cheng)施(shi)工(gong)(gong)過程(cheng)中應(ying)執行自檢(jian)(jian)、互檢(jian)(jian)、交接檢(jian)(jian)及(ji)(ji)(ji)工(gong)(gong)序檢(jian)(jian)查(cha)等(deng)制(zhi)度(du)(du)(du),嚴格執行從(cong)基層(ceng)(ceng)(ceng)、防水(shui)(shui)(shui)(shui)層(ceng)(ceng)(ceng)到(dao)保(bao)護(hu)層(ceng)(ceng)(ceng)的(de)(de)(de)逐層(ceng)(ceng)(ceng)隱蔽(bi)檢(jian)(jian)查(cha)驗(yan)收(shou)制(zhi)度(du)(du)(du)。6、已施(shi)工(gong)(gong)的(de)(de)(de)柔性(xing)防水(shui)(shui)(shui)(shui)層(ceng)(ceng)(ceng)進(jin)(jin)行抽檢(jian)(jian)取樣實測檢(jian)(jian)查(cha),確(que)認(ren)其厚度(du)(du)(du)(便數)是否(fou)符合設計和(he)規范要求。
應選單(dan)組(zu)分環(huan)保(bao)型(xing)(xing)的聚(ju)氨(an)(an)酯(zhi)材(cai)(cai)(cai)料(liao)(liao),這(zhe)種材(cai)(cai)(cai)料(liao)(liao)是目前建(jian)設部極(ji)力(li)推薦的防水(shui)材(cai)(cai)(cai)料(liao)(liao)。由于這(zhe)種材(cai)(cai)(cai)料(liao)(liao)能嚴密地包住管道(dao)與地面(mian),滲入縫隙(xi),在(zai)干(gan)燥后不會收(shou)縮,因此比防水(shui)水(shui)泥等(deng)剛性材(cai)(cai)(cai)料(liao)(liao)更適合用于衛浴(yu)間這(zhe)種管道(dao)、縫隙(xi)較多的小面(mian)積(ji)房屋。所以(yi)客戶購買(mai)該類材(cai)(cai)(cai)料(liao)(liao)時(shi)應選擇(ze)品牌材(cai)(cai)(cai)料(liao)(liao),每平方米的用料(liao)(liao)費約在(zai)50~60元。據了解,目前國內一些(xie)品牌聚(ju)氨(an)(an)酯(zhi)材(cai)(cai)(cai)料(liao)(liao)生產廠家(jia)都擁有(you)自己的施工隊(dui)伍,市民可在(zai)購買(mai)材(cai)(cai)(cai)料(liao)(liao)的同(tong)時(shi),要求廠家(jia)提供專(zhuan)業(ye)人員(yuan)。為了讓日后的防水(shui)期限(xian)更為長久,材(cai)(cai)(cai)料(liao)(liao)一般需(xu)要刷上3遍(bian),為了讓材(cai)(cai)(cai)料(liao)(liao)充分干(gan)透(tou),所以(yi)不可選擇(ze)在(zai)陰雨或潮濕氣候下進(jin)行(xing)。一般單(dan)組(zu)分環(huan)保(bao)型(xing)(xing)聚(ju)氨(an)(an)酯(zhi)材(cai)(cai)(cai)料(liao)(liao)的干(gan)透(tou)期在(zai)3~4天(tian)左右。
傳統型的防水材料往往是指石油胎油氈、油膏等防水材料,這些防水材料時至今日,再農村地區仍然有相當數量的房子使用這種防水材料。專業建筑防水公司傳統防水材料有著不少缺點:拉伸率低、不耐老化、防水性能差等缺點;新型防水材料其防水效果更好,耐候性更佳,環保、安全方面更好,施工更加方便高效。崇左市建筑防水公司解釋傳統型防(fang)水材料(liao)(liao)油毛氈施工現場。這類傳統防(fang)水材料(liao)(liao)有著不(bu)少缺點:拉伸率低、不(bu)耐老化、防(fang)水性能差等缺點,所以我們常常遇(yu)到這類材料(liao)(liao)做(zuo)的屋(wu)頂防(fang)水,幾年后就(jiu)要開始進行(xing)維修(xiu)(xiu)了,不(bu)到十(shi)年就(jiu)要進行(xing)一(yi)次(ci)徹底翻(fan)修(xiu)(xiu)。另(ling)外,這類防(fang)水材料(liao)(liao)高溫易(yi)變形、遇(yu)火易(yi)燃,也可能成為火災的來源(yuan)。其施工方式是(shi)附在斜坡屋(wu)面(mian)(mian)的瓦下面(mian)(mian),也決(jue)定其防(fang)水效果較差。