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屋面(mian)(mian)的平面(mian)(mian)和(he)立(li)面(mian)(mian)交(jiao)角(jiao)(jiao)處(chu)、暗地室底面(mian)(mian)和(he)墻面(mian)(mian)內內政角(jiao)(jiao)處(chu)、檐口(kou)和(he)天溝交(jiao)接(jie)處(chu)、天溝轉角(jiao)(jiao)處(chu)、兩個立(li)面(mian)(mian)轉角(jiao)(jiao)處(chu)構成(cheng)陰(yin)(yin)陽(yang)角(jiao)(jiao)。解(jie)釋這(zhe)些(xie)部位常(chang)由(you)于混凝土、沙漿干(gan)縮和(he)溫(wen)差變形發作應(ying)力集中招致開裂(lie),有些(xie)破綻(zhan)寬度可裁減(jian)到5mm。陰(yin)(yin)陽(yang)角(jiao)(jiao)的加(jia)(jia)強(qiang)層可采(cai)用卷(juan)(juan)(juan)材條(tiao),即(ji)在(zai)交(jiao)角(jiao)(jiao)處(chu)鋪貼(tie)1層100~150mm寬的卷(juan)(juan)(juan)材條(tiao)予以(yi)加(jia)(jia)強(qiang)。但(dan)由(you)于卷(juan)(juan)(juan)材較硬挺(ting),在(zai)交(jiao)角(jiao)(jiao)處(chu)難以(yi)鋪平、鋪實,屢屢采(cai)用材料加(jia)(jia)加(jia)(jia)強(qiang)胎(tai)體布作為加(jia)(jia)強(qiang)層,即(ji)在(zai)交(jiao)角(jiao)(jiao)處(chu)涂(tu)150~200mm寬、厚1~2mm的加(jia)(jia)胎(tai)體的涂(tu)層。胎(tai)體鋪貼(tie)時切忌拉緊(jin),應(ying)廢弛(chi)不皺。在(zai)3面(mian)(mian)交(jiao)角(jiao)(jiao)處(chu)采(cai)用材料加(jia)(jia)強(qiang),效果(guo)就(jiu)更(geng)好了。
1.成(cheng)品保護不善(shan)(shan)。解釋購(gou)置的地(di)下(xia)(xia)堵(du)漏(lou)(lou)材料或已完工(gong)的地(di)下(xia)(xia)堵(du)漏(lou)(lou)層,由(you)于保管不善(shan)(shan),施(shi)(shi)工(gong)不慎造(zao)成(cheng)破壞且未及時修(xiu)補而(er)造(zao)成(cheng)滲(shen)(shen)漏(lou)(lou)。2.混(hun)(hun)凝(ning)(ning)土保護層厚度不夠。介(jie)紹(shao)混(hun)(hun)凝(ning)(ning)土保護層按規(gui)范要求(qiu)應為厚, 但施(shi)(shi)工(gong)時常常由(you)于不能保證而(er)出(chu)現(xian)裂縫, 造(zao)成(cheng)滲(shen)(shen)漏(lou)(lou)。3.不重視細(xi)部的構造(zao)處理(li),對變形縫、施(shi)(shi)工(gong)縫、后(hou)澆帶(dai)、預(yu)留接(jie)口、混(hun)(hun)凝(ning)(ning)土主體結構等部位采取(qu)的地(di)下(xia)(xia)堵(du)漏(lou)(lou)措施(shi)(shi)不當。4.地(di)下(xia)(xia)堵(du)漏(lou)(lou)混(hun)(hun)凝(ning)(ning)土配合比在現(xian)場施(shi)(shi)工(gong)時配制不準確,特別是水灰比增大,使(shi)混(hun)(hun)凝(ning)(ning)土收縮大,出(chu)現(xian)裂縫引起滲(shen)(shen)漏(lou)(lou)。5.混(hun)(hun)凝(ning)(ning)土養護不良(liang)造(zao)成(cheng)早(zao)期失(shi)水嚴(yan)重,形成(cheng)滲(shen)(shen)漏(lou)(lou)。6.對混(hun)(hun)凝(ning)(ning)土圍護結構不采用地(di)下(xia)(xia)堵(du)漏(lou)(lou)混(hun)(hun)凝(ning)(ning)土,而(er)只做柔性地(di)下(xia)(xia)堵(du)漏(lou)(lou)層。
算上單組分環保型聚氨酯材料、覆蓋在材料上的水泥層以及面磚,每平方米的用料一般不會超過400元。建筑防水公司哪家好,一個5平方米大小的衛浴間,重新做一下防水約需2000元左右,浴缸等需要重新配置的衛浴設施另算。防水施工完畢后,要將衛生間的所有下水道堵住,在衛生間的門口砌一道"矮墻"進行注水試驗,注水高度在20cm左右。24小時后檢查,若衛生間的四周墻面和地面沒有滲漏現象說明衛生間的防水質量很好。反之,要找出漏點,進行維修。同時呢,墻面也要做防水。專業建筑防水公司為了(le)達到較好的防水(shui)效(xiao)果,一般衛生間的墻(qiang)面(mian)(mian)上(shang)也(ye)要(yao)做大約(yue)30cm高(gao)的防水(shui)處理,防止積水(shui)洇透(tou)墻(qiang)面(mian)(mian)。與浴缸(gang)相鄰(lin)的墻(qiang)面(mian)(mian),防水(shui)處理的高(gao)度也(ye)要(yao)比浴缸(gang)上(shang)沿(yan)高(gao)出一些(xie)。這樣才能保證萬(wan)無一失。
DH-814Ⅱ型(xing)聚氨(an)酯幫助堵漏(lou)膠(jiao)是遇水(shui)(shui)即反(fan)(fan)應,由于(yu)水(shui)(shui)參與了反(fan)(fan)應,漿(jiang)液不會被(bei)水(shui)(shui)稀釋沖(chong)走(zou),這是其他(ta)灌漿(jiang)材料所不具備的(de)優點;漿(jiang)液在壓力(li)作用下,灌入混(hun)凝 土裂縫(feng),同時向裂縫(feng)周圍蔓(man)延,當遇水(shui)(shui)時又(you)發(fa)生(sheng)反(fan)(fan)應,發(fa)泡膨脹(zhang),形成二次(ci)蔓(man)延,繼續滲入混(hun)凝土縫(feng)隙,形成網狀結構,成為(wei)密度小、含水(shui)(shui)的(de)彈性(xing)體(ti),有良好的(de) 適應變形能力(li),止水(shui)(shui)性(xing)好。灌漿(jiang)孔(kong)(kong)(kong)(kong)的(de)設計和(he)布(bu)(bu)孔(kong)(kong)(kong)(kong) 灌漿(jiang)孔(kong)(kong)(kong)(kong)的(de)布(bu)(bu)孔(kong)(kong)(kong)(kong)有騎縫(feng)和(he)斜孔(kong)(kong)(kong)(kong)兩(liang)種形式,建議根(gen)(gen)據實際情況和(he)需要加(jia)以選擇,必要時兩(liang)者并用。(1) 灌漿(jiang)孔(kong)(kong)(kong)(kong)的(de)設計:灌漿(jiang)孔(kong)(kong)(kong)(kong)的(de)位置,應使孔(kong)(kong)(kong)(kong)和(he)漏(lou)水(shui)(shui)裂縫(feng)孔(kong)(kong)(kong)(kong)隙相交,并選在漏(lou)水(shui)(shui)量深處。(2) 布(bu)(bu)孔(kong)(kong)(kong)(kong)原則:注漿(jiang)孔(kong)(kong)(kong)(kong)眼(yan)的(de)位置和(he)數量,需根(gen)(gen)據不同漏(lou)水(shui)(shui)情況進行合理安排(pai),以導出漏(lou)水(shui)(shui)為(wei)目的(de),在集中(zhong)漏(lou)水(shui)(shui)處布(bu)(bu)孔(kong)(kong)(kong)(kong),裂縫(feng)大,水(shui)(shui)流量大,則孔(kong)(kong)(kong)(kong)距(ju)大,縫(feng)小則孔(kong)(kong)(kong)(kong)距(ju)小。
房屋漏水(shui)(shui)(shui)(shui)有(you)一個很(hen)重要(yao)的(de)(de)(de)原因(yin)就是(shi)防(fang)(fang)水(shui)(shui)(shui)(shui)材(cai)料老(lao)(lao)化(hua),因(yin)此防(fang)(fang)水(shui)(shui)(shui)(shui)材(cai)料的(de)(de)(de)選(xuan)(xuan)(xuan)擇(ze)尤(you)為重要(yao)。第(di)一,從材(cai)料選(xuan)(xuan)(xuan)擇(ze)上(shang),要(yao)考慮(lv)材(cai)料的(de)(de)(de)特(te)性(xing)和適(shi)(shi)應(ying)范(fan)圍。注重剛性(xing)和柔軟的(de)(de)(de)組合,具有(you)很(hen)多(duo)優勢,例如延(yan)展(zhan)性(xing)好(hao),適(shi)(shi)應(ying)性(xing)強,可以避(bi)免耐(nai)(nai)熱(re)(re)性(xing)差,易老(lao)(lao)化(hua)的(de)(de)(de)缺點(dian)。解釋而混凝(ning)土材(cai)質耐(nai)(nai)久(jiu)性(xing)強,耐(nai)(nai)穿刺性(xing)好(hao),可以避(bi)免抗拉強度(du)差,變形適(shi)(shi)應(ying)性(xing)差的(de)(de)(de)缺點(dian)。大(da)大(da)提高了屋頂的(de)(de)(de)整(zheng)體防(fang)(fang)水(shui)(shui)(shui)(shui)性(xing)。第(di)二,選(xuan)(xuan)(xuan)用兩種防(fang)(fang)水(shui)(shui)(shui)(shui)材(cai)料,上(shang)層選(xuan)(xuan)(xuan)用APP改性(xing)瀝青(qing)時,下層應(ying)選(xuan)(xuan)(xuan)擇(ze)防(fang)(fang)水(shui)(shui)(shui)(shui)涂層,或易熱(re)(re)熔的(de)(de)(de)SBS防(fang)(fang)水(shui)(shui)(shui)(shui)卷材(cai)。