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游泳池防水施工方案
游泳池為(wei)長(chang)年蓄水(shui)建筑工程要求(qiu)抗裂、防滲漏(lou)性(xing)能(neng)高,故采用結(jie)(jie)構密實混凝土自防水(shui)和剛性(xing)防水(shui)層(ceng)相結(jie)(jie)合的抗裂、防滲漏(lou)作法。
設計3道防水,第一道為結構密實混凝土自防水,混凝土強等級c40,抗滲等級p8;第二道是1.5mm厚JS聚合物水泥防水涂料柔性(xing)防水(shui)層(ceng);第(di)三道防水(shui)層(ceng)是(shi)28mm厚(hou)摻(chan)加TJ型防水(shui)液(ye)的(de)水(shui)泥砂漿剛性(xing)防水(shui)層(ceng)。
基層處理:
水池(chi)一次性連續(xu)澆(jiao)筑(zhu)混凝土完畢,不(bu)留設(she)施工縫。其中池(chi)壁(bi)按50M分層澆(jiao)筑(zhu),確(que)保混凝土密實性。
1、水(shui)池(chi)采用蓄水(shui)養護,養護期(qi)15小時,其后用乙(yi)炔割(ge)除游泳池(chi)結(jie)構外露的(de)止(zhi)水(shui)螺桿及錨(mao)固筋。
2、將防(fang)水施工面清(qing)理(li)干(gan)凈(jing),浮土清(qing)掃(sao)干(gan)凈(jing)并用清(qing)水洗刷(shua)清(qing)潔。
施工步驟:水(shui)他密實混凝土撓(nao)筑(zhu)‘養護--基(ji)層(ceng)處理。--1.5M厚(hou)防(fang)水(shui)涂料(liao)柔(rou)性(xing)(xing)防(fang)水(shui)層(ceng)--28加厚(hou)防(fang)水(shui)水(shui)泥砂漿剛性(xing)(xing)防(fang)水(shui)層(ceng)--保護結(jie)合后(hou)--貼瓷層(ceng)----蓄(xu)水(shui)試驗。
施工工藝:
基面處理:
必(bi)須平(ping)整、堅固、清(qing)潔無(wu)油污(wu)、無(wu)滲(shen)漏(lou)(lou)、無(wu)明(ming)水(shui)(shui)。凹陷不(bu)平(ping)處;須找平(ping);滲(shen)漏(lou)(lou)處應(ying)予以堵漏(lou)(lou)(可用速(su)凝型水(shui)(shui)不(bu)漏(lou)(lou)進行堵漏(lou)(lou));轉角處應(ying)抹(mo)成圓(yuan)弧形;配料:按規(gui)定比(bi)例取料。基面涂層配比(bi)(重(zhong)是)I類按液料:粉料:水(shui)(shui)=10:14:2,類按液料:粉料:水(shui)(shui)=10:10:2
涂覆:
根據(ju)具(ju)(ju)體工(gong)(gong)程的(de)特點(dian)和要(yao)求,選定(ding)適用的(de)方法并按(an)其規(gui)定(ding)施(shi)(shi)工(gong)(gong),涂(tu)(tu)覆(fu)工(gong)(gong)具(ju)(ju)可(ke)選用滾子(zi)、刮(gua)(gua)板或刷子(zi);涂(tu)(tu)覆(fu)操作(zuo)要(yao)點(dian)如(ru)下:涂(tu)(tu)覆(fu)時,每遍涂(tu)(tu)覆(fu)的(de)推(tui)進方向應(ying)與(yu)前(qian)一遍互相(xiang)垂直:要(yao)求滾刷幾(ji)次,以使涂(tu)(tu)層(ceng)(ceng)(ceng)(ceng)與(yu)基(ji)層(ceng)(ceng)(ceng)(ceng)之間(jian)(jian)(jian)(jian)互相(xiang)粘牢、排(pai)除氣(qi)泡(pao),不得(de)有(you)局(ju)部沉(chen)淀;各涂(tu)(tu)層(ceng)(ceng)(ceng)(ceng)之間(jian)(jian)(jian)(jian)施(shi)(shi)工(gong)(gong)間(jian)(jian)(jian)(jian)隔(ge)時間(jian)(jian)(jian)(jian)為前(qian)一層(ceng)(ceng)(ceng)(ceng)涂(tu)(tu)膜(mo)固化為準(一般需要(yao)3-4小(xiao)時):節點(dian)、異形(xing)部位附(fu)加(jia)層(ceng)(ceng)(ceng)(ceng)應(ying)作(zuo)無(wu)紡布(bu)(bu)(bu)(或玻璃纖(xian)(xian)維(wei)(wei)布(bu)(bu)(bu))加(jia)強(qiang)層(ceng)(ceng)(ceng)(ceng);下涂(tu)(tu)層(ceng)(ceng)(ceng)(ceng)、無(wu)紡布(bu)(bu)(bu)(或玻璃纖(xian)(xian)維(wei)(wei)布(bu)(bu)(bu)),中(zhong)涂(tu)(tu)層(ceng)(ceng)(ceng)(ceng),三層(ceng)(ceng)(ceng)(ceng)應(ying)同時連續施(shi)(shi)工(gong)(gong),期間(jian)(jian)(jian)(jian)不允許有(you)間(jian)(jian)(jian)(jian)隔(ge),應(ying)邊(bian)涂(tu)(tu),邊(bian)鋪無(wu)防布(bu)(bu)(bu)(或玻璃纖(xian)(xian)維(wei)(wei)布(bu)(bu)(bu)),并應(ying)粘牢、刮(gua)(gua)平、排(pai)除氣(qi)泡(pao);若防水層(ceng)(ceng)(ceng)(ceng)總厚度不夠(gou),應(ying)加(jia)涂(tu)(tu)幾(ji)層(ceng)(ceng)(ceng)(ceng);若需彩色(se)裝飾面層(ceng)(ceng)(ceng)(ceng),須在(zai)上涂(tu)(tu)層(ceng)(ceng)(ceng)(ceng)中(zhong)添加(jia)顏料。
施工條件
不(bu)能(neng)在施工環(huan)境氣溫(wen)0°C以(yi)下或雨中施工;不(bu)宜(yi)在特別(bie)潮濕又不(bu)通風(feng)的(de)環(huan)境中施工,否(fou)則影響成膜(mo),應(ying)加強通幾后方可施工。