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地(di)址:南寧市西鄉(xiang)塘區明秀路154-82、83號
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對于衛(wei)(wei)生間(jian)的(de)防水(shui)(shui)防滲(shen)的(de)具體工(gong)作。首(shou)先,衛(wei)(wei)生間(jian)是(shi)建(jian)筑物中用(yong)水(shui)(shui)密(mi)集(ji)區,施(shi)工(gong)中應(ying)選用(yong)高質量的(de)防水(shui)(shui)材料與(yu)設(she)施(shi)進行(xing)施(shi)工(gong),衛(wei)(wei)生間(jian)的(de)滲(shen)水(shui)(shui)易發(fa)區應(ying)使用(yong)混凝土(tu)進行(xing)澆(jiao)筑,排(pai)給(gei)水(shui)(shui)管道安設(she)完成后(hou)必須堅持標準的(de)試壓檢測,還要(yao)做好排(pai)水(shui)(shui)漕路。其(qi)(qi)次(ci),在(zai)地(di)下(xia)(xia)室(shi)的(de)防水(shui)(shui)防漏施(shi)工(gong)中則(ze)應(ying)重點加強對施(shi)工(gong)變(bian)形縫的(de)監(jian)控,在(zai)進行(xing)止水(shui)(shui)帶施(shi)工(gong)前必須對其(qi)(qi)嚴密(mi)性(xing)檢查(cha),同時施(shi)工(gong)方還要(yao)對所用(yong)混凝土(tu)的(de)配比精度進行(xing)把關,以免出現不(bu)可修復的(de)局面。對于衛(wei)(wei)生間(jian)的(de)滲(shen)水(shui)(shui)防治,地(di)下(xia)(xia)室(shi)與(yu)其(qi)(qi)有很多相(xiang)似的(de)地(di)方,可以參照(zhao)衛(wei)(wei)生間(jian)防水(shui)(shui)防漏措施(shi)進行(xing)完善(shan)。
混(hun)(hun)凝(ning)土澆筑(zhu)正值7~8月份高溫(wen)季節,易造(zao)成混(hun)(hun)凝(ning)土坍(tan)落(luo)度(du)(du)(du)(du)損(sun)(sun)失(shi)加大(da)(da),降低混(hun)(hun)凝(ning)土工作度(du)(du)(du)(du)方面的要求,加之可能出現(xian)的運(yun)輸(shu)途中堵車(che)或(huo)(huo)施工中出現(xian)臨時(shi)需處理的問(wen)題(ti),使澆搗速度(du)(du)(du)(du)減緩,延誤了混(hun)(hun)凝(ning)土的入模(mo)時(shi)間(jian),因時(shi)間(jian)延長(chang)造(zao)成混(hun)(hun)凝(ning)土坍(tan)落(luo)度(du)(du)(du)(du)損(sun)(sun)失(shi)加大(da)(da),致(zhi)使不能滿足泵送要求,此時(shi)應嚴禁加入生水(shui),而應采取二次摻(chan)(chan)少(shao)量(liang)的FDN2I減水(shui)劑(ji)的后摻(chan)(chan)法,補償(chang)(chang)和恢復混(hun)(hun)凝(ning)土的坍(tan)落(luo)度(du)(du)(du)(du)損(sun)(sun)失(shi)。在配(pei)合比中FDN2I減水(shui)劑(ji)量(liang)為(wei)0.8%,地般該減水(shui)劑(ji)的摻(chan)(chan)量(liang)地高為(wei)1%,在后摻(chan)(chan)減水(shui)劑(ji)時(shi)只(zhi)考慮(lv)在0.2%以內。后摻(chan)(chan)法比先(xian)摻(chan)(chan)法或(huo)(huo)同(tong)摻(chan)(chan)法在相同(tong)摻(chan)(chan)量(liang)下減水(shui)作用顯著提(ti)高,是能補償(chang)(chang)坍(tan)落(luo)度(du)(du)(du)(du)損(sun)(sun)失(shi)的。但應注意凡后摻(chan)(chan)減水(shui)劑(ji)的運(yun)輸(shu)車(che),應快速攪(jiao)拌(ban)(ban)30轉或(huo)(huo)1秒以上(shang)。其摻(chan)(chan)量(liang)和攪(jiao)拌(ban)(ban)時(shi)間(jian)由專人負責(ze)實施。
首先,正規衛生間防水做屋面防水填充前,應先清理屋面表面的灰塵雜物。然后開始做屋面防水填充。這些基礎工作做好以后,開始刷第一層的基礎的處理劑,第一次刷的面積不宜過大,但是也要確保刷面積的大小能滿足施工當天的需要。接著做水泥砂漿,找平層的時候,要注意必須按照設計的要求去掛線,然后再劃出規范的分割線,放好分格縫板條。做好這些以后,水泥砂漿要進行兩次的壓光,確保它夠結實,光滑平整。屋角拐彎處應該用工具抹成圓弧形。這是為接下來的步驟打好基礎。然后,就可以涂抹防水材料了,宜州市衛生間防水要注(zhu)意在涂裝防(fang)水(shui)材(cai)料時,對于(yu)拐彎角(jiao),不(bu)容(rong)易被注(zhu)意的(de)角(jiao)落和節(jie)點(dian)的(de)位置,要加(jia)層處(chu)理。覺得有必要的(de)地方還(huan)可以(yi)采用橡膠瀝青(qing)材(cai)料和網格布(bu)進行進一步的(de)處(chu)理,加(jia)固。最(zui)后,屋面(mian)的(de)防(fang)水(shui)滲漏(lou)處(chu)涂有防(fang)水(shui)材(cai)料,一般需要刷(shua)油漆2-3次,無空鼓(gu)、起(qi)泡、固化等不(bu)良現象(xiang)。用滌(di)綸(lun)(lun)無紡布(bu)粘貼在之前(qian)刷(shua)的(de)基(ji)層涂層上,粘合牢固,做到無空鼓(gu),無翹曲。第二遍(bian)刷(shua)防(fang)水(shui)材(cai)料是刷(shua)在滌(di)綸(lun)(lun)無紡布(bu)上,注(zhu)意涂的(de)時候力度保持一致,讓(rang)材(cai)料的(de)分布(bu)均勻,施工方向應與第一層垂直。
DH-814Ⅱ型聚(ju)氨(an)酯幫助堵漏(lou)(lou)膠是(shi)遇水(shui)(shui)(shui)即反(fan)應(ying)(ying),由(you)于水(shui)(shui)(shui)參與了反(fan)應(ying)(ying),漿(jiang)(jiang)液不(bu)會(hui)被水(shui)(shui)(shui)稀釋沖(chong)走,這是(shi)其他灌漿(jiang)(jiang)材(cai)料(liao)所不(bu)具備的(de)優點;漿(jiang)(jiang)液在壓力(li)作用下,灌入混(hun)(hun)凝(ning) 土裂縫,同(tong)時向裂縫周圍(wei)蔓延,當遇水(shui)(shui)(shui)時又(you)發生(sheng)反(fan)應(ying)(ying),發泡膨脹,形(xing)(xing)成(cheng)二次蔓延,繼續滲入混(hun)(hun)凝(ning)土縫隙,形(xing)(xing)成(cheng)網狀結構,成(cheng)為(wei)密(mi)度小(xiao)、含水(shui)(shui)(shui)的(de)彈性(xing)體,有良好(hao)的(de) 適應(ying)(ying)變形(xing)(xing)能(neng)力(li),止水(shui)(shui)(shui)性(xing)好(hao)。灌漿(jiang)(jiang)孔(kong)(kong)(kong)(kong)的(de)設計(ji)和布(bu)(bu)孔(kong)(kong)(kong)(kong) 灌漿(jiang)(jiang)孔(kong)(kong)(kong)(kong)的(de)布(bu)(bu)孔(kong)(kong)(kong)(kong)有騎縫和斜孔(kong)(kong)(kong)(kong)兩(liang)種形(xing)(xing)式,建議根據(ju)(ju)實際情況(kuang)和需(xu)要加以選擇,必要時兩(liang)者并(bing)(bing)用。(1) 灌漿(jiang)(jiang)孔(kong)(kong)(kong)(kong)的(de)設計(ji):灌漿(jiang)(jiang)孔(kong)(kong)(kong)(kong)的(de)位(wei)置,應(ying)(ying)使孔(kong)(kong)(kong)(kong)和漏(lou)(lou)水(shui)(shui)(shui)裂縫孔(kong)(kong)(kong)(kong)隙相交,并(bing)(bing)選在漏(lou)(lou)水(shui)(shui)(shui)量(liang)深處。(2) 布(bu)(bu)孔(kong)(kong)(kong)(kong)原(yuan)則:注漿(jiang)(jiang)孔(kong)(kong)(kong)(kong)眼(yan)的(de)位(wei)置和數量(liang),需(xu)根據(ju)(ju)不(bu)同(tong)漏(lou)(lou)水(shui)(shui)(shui)情況(kuang)進(jin)行合理安排,以導(dao)出漏(lou)(lou)水(shui)(shui)(shui)為(wei)目的(de),在集中(zhong)漏(lou)(lou)水(shui)(shui)(shui)處布(bu)(bu)孔(kong)(kong)(kong)(kong),裂縫大(da),水(shui)(shui)(shui)流(liu)量(liang)大(da),則孔(kong)(kong)(kong)(kong)距大(da),縫小(xiao)則孔(kong)(kong)(kong)(kong)距小(xiao)。