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游泳池防水施工方案
游(you)泳池為長年蓄水(shui)建(jian)筑工程(cheng)要求(qiu)抗裂、防(fang)滲漏(lou)性能高,故(gu)采用(yong)結(jie)(jie)構密實混凝(ning)土自防(fang)水(shui)和剛性防(fang)水(shui)層(ceng)相結(jie)(jie)合的(de)抗裂、防(fang)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(rou)性(xing)防(fang)水(shui)(shui)層(ceng)(ceng);第三道(dao)防(fang)水(shui)(shui)層(ceng)(ceng)是(shi)28mm厚摻加TJ型防(fang)水(shui)(shui)液的水(shui)(shui)泥砂漿(jiang)剛性(xing)防(fang)水(shui)(shui)層(ceng)(ceng)。
基層處理:
水池一次性連(lian)續澆筑(zhu)混(hun)凝土完(wan)畢,不留設施(shi)工縫。其(qi)中池壁按50M分(fen)層澆筑(zhu),確(que)保(bao)混(hun)凝土密實性。
1、水(shui)池采用(yong)蓄水(shui)養護,養護期15小時,其后用(yong)乙炔割除游泳池結構外露(lu)的止水(shui)螺桿及錨固筋。
2、將防水施工面(mian)清理干(gan)凈,浮土清掃干(gan)凈并用清水洗刷清潔。
施工步驟(zou):水(shui)(shui)他密實混凝土(tu)撓(nao)筑‘養護--基層(ceng)(ceng)處理。--1.5M厚(hou)防(fang)(fang)水(shui)(shui)涂料柔性防(fang)(fang)水(shui)(shui)層(ceng)(ceng)--28加厚(hou)防(fang)(fang)水(shui)(shui)水(shui)(shui)泥砂漿剛性防(fang)(fang)水(shui)(shui)層(ceng)(ceng)--保護結合(he)后--貼(tie)瓷層(ceng)(ceng)----蓄水(shui)(shui)試驗。
施工工藝:
基面處理:
必(bi)須(xu)(xu)平(ping)整、堅固、清潔無(wu)油污、無(wu)滲(shen)漏(lou)(lou)(lou)、無(wu)明水(shui)(shui)。凹陷不平(ping)處;須(xu)(xu)找平(ping);滲(shen)漏(lou)(lou)(lou)處應予以堵漏(lou)(lou)(lou)(可用速凝型水(shui)(shui)不漏(lou)(lou)(lou)進行堵漏(lou)(lou)(lou));轉(zhuan)角處應抹成圓弧形;配(pei)料(liao)(liao)(liao):按規定比(bi)例(li)取(qu)料(liao)(liao)(liao)。基面涂層配(pei)比(bi)(重是)I類(lei)按液(ye)料(liao)(liao)(liao):粉(fen)料(liao)(liao)(liao):水(shui)(shui)=10:14:2,類(lei)按液(ye)料(liao)(liao)(liao):粉(fen)料(liao)(liao)(liao):水(shui)(shui)=10:10:2
涂覆:
根據具體工(gong)(gong)(gong)程的(de)(de)特點和要(yao)求,選定適用的(de)(de)方法并按其規定施工(gong)(gong)(gong),涂覆(fu)工(gong)(gong)(gong)具可(ke)選用滾子、刮(gua)(gua)板(ban)或(huo)(huo)(huo)刷(shua)子;涂覆(fu)操作要(yao)點如下:涂覆(fu)時(shi),每(mei)遍涂覆(fu)的(de)(de)推進方向應(ying)(ying)(ying)與前一遍互相垂直:要(yao)求滾刷(shua)幾(ji)次,以(yi)使(shi)涂層(ceng)(ceng)與基層(ceng)(ceng)之(zhi)(zhi)間(jian)(jian)(jian)互相粘牢、排除(chu)氣泡,不得有(you)局部沉淀;各涂層(ceng)(ceng)之(zhi)(zhi)間(jian)(jian)(jian)施工(gong)(gong)(gong)間(jian)(jian)(jian)隔時(shi)間(jian)(jian)(jian)為(wei)前一層(ceng)(ceng)涂膜固化為(wei)準(一般需要(yao)3-4小時(shi)):節(jie)點、異形部位(wei)附加層(ceng)(ceng)應(ying)(ying)(ying)作無紡(fang)布(bu)(或(huo)(huo)(huo)玻(bo)璃纖(xian)(xian)維(wei)布(bu))加強(qiang)層(ceng)(ceng);下涂層(ceng)(ceng)、無紡(fang)布(bu)(或(huo)(huo)(huo)玻(bo)璃纖(xian)(xian)維(wei)布(bu)),中涂層(ceng)(ceng),三層(ceng)(ceng)應(ying)(ying)(ying)同時(shi)連續施工(gong)(gong)(gong),期間(jian)(jian)(jian)不允許有(you)間(jian)(jian)(jian)隔,應(ying)(ying)(ying)邊(bian)涂,邊(bian)鋪無防布(bu)(或(huo)(huo)(huo)玻(bo)璃纖(xian)(xian)維(wei)布(bu)),并應(ying)(ying)(ying)粘牢、刮(gua)(gua)平、排除(chu)氣泡;若防水層(ceng)(ceng)總厚度(du)不夠,應(ying)(ying)(ying)加涂幾(ji)層(ceng)(ceng);若需彩色裝飾面(mian)層(ceng)(ceng),須在上涂層(ceng)(ceng)中添(tian)加顏料。
施工條件
不(bu)能(neng)在(zai)施(shi)工(gong)環(huan)境(jing)氣溫0°C以下或雨中(zhong)施(shi)工(gong);不(bu)宜在(zai)特(te)別潮濕又不(bu)通(tong)風(feng)的環(huan)境(jing)中(zhong)施(shi)工(gong),否(fou)則影響成膜,應(ying)加(jia)強(qiang)通(tong)幾后方可(ke)施(shi)工(gong)。