建筑(zhu)工程防水(shui)基(ji)礎知識整(zheng)理
一、防(fang)水(shui)工程的分類:
1、按(an)設防的部(bu)位劃分,2、按(an)設防的方法(fa)分類,3、按(an)設防材料性能分類
二(er)、防水(shui)工(gong)程的基本內容:
1、建筑物,2、構(gou)筑物
三、防水等級:
防(fang)水(shui)等(deng)級(ji)是根(gen)據建筑(zhu)物的性質、重要(yao)程度、使用(yong)功能要(yao)求、建筑(zhu)物結(jie)構特點、防(fang)水(shui)層耐用(yong)年(nian)(nian)限(xian)確定(ding)屋面防(fang)水(shui)等(deng)級(ji)分為:5年(nian)(nian)、10年(nian)(nian)、15年(nian)(nian)、25年(nian)(nian)。
四、屋面防水層的施(shi)工:
卷(juan)材防水屋面(mian)施工(gong),分為:瀝青卷(juan)材、高(gao)聚物改性瀝青卷(juan)材、合成高(gao)分子卷(juan)材;卷(juan)材鋪貼(tie)的一(yi)般工(gong)藝要求
五、地下防水工程:
地(di)下(xia)防(fang)(fang)水(shui)(shui)工(gong)(gong)(gong)程的(de)(de)(de)(de)(de)要(yao)(yao)求(qiu)。遵循(xun):防(fang)(fang)、排、截、堵相結合,因地(di)制宜,綜合治(zhi)理的(de)(de)(de)(de)(de)原則。防(fang)(fang)水(shui)(shui)等(deng)級(ji)一級(ji):不(bu)(bu)允許(xu)有(you)滲水(shui)(shui),結構表面(mian)(mian)(mian)(mian)(mian)(mian)沒有(you)濕漬(zi)。適用于(yu)(yu)(yu)人員長期停留(liu)的(de)(de)(de)(de)(de)場所(suo),非常(chang)重(zhong)要(yao)(yao)的(de)(de)(de)(de)(de)戰(zhan)(zhan)備工(gong)(gong)(gong)程。防(fang)(fang)水(shui)(shui)等(deng)級(ji)二級(ji):不(bu)(bu)允許(xu)有(you)漏水(shui)(shui),結構的(de)(de)(de)(de)(de)表面(mian)(mian)(mian)(mian)(mian)(mian)可以有(you)少許(xu)濕漬(zi)。其(qi)中,對于(yu)(yu)(yu)工(gong)(gong)(gong)業和(he)(he)民(min)用建筑:濕漬(zi)的(de)(de)(de)(de)(de)總(zong)面(mian)(mian)(mian)(mian)(mian)(mian)積(ji)(ji)(ji)不(bu)(bu)大(da)于(yu)(yu)(yu)總(zong)防(fang)(fang)水(shui)(shui)面(mian)(mian)(mian)(mian)(mian)(mian)積(ji)(ji)(ji)的(de)(de)(de)(de)(de)1%,單(dan)個(ge)濕漬(zi)面(mian)(mian)(mian)(mian)(mian)(mian)積(ji)(ji)(ji)不(bu)(bu)大(da)于(yu)(yu)(yu)0.1㎡,在任(ren)(ren)意100㎡的(de)(de)(de)(de)(de)防(fang)(fang)水(shui)(shui)范圍內不(bu)(bu)超過1處。對于(yu)(yu)(yu)其(qi)他地(di)下(xia)工(gong)(gong)(gong)程:濕漬(zi)總(zong)面(mian)(mian)(mian)(mian)(mian)(mian)積(ji)(ji)(ji)不(bu)(bu)大(da)于(yu)(yu)(yu)總(zong)防(fang)(fang)水(shui)(shui)面(mian)(mian)(mian)(mian)(mian)(mian)積(ji)(ji)(ji)的(de)(de)(de)(de)(de)6%,單(dan)個(ge)濕漬(zi)面(mian)(mian)(mian)(mian)(mian)(mian)積(ji)(ji)(ji)不(bu)(bu)大(da)于(yu)(yu)(yu)0.2㎡,任(ren)(ren)意100㎡的(de)(de)(de)(de)(de)防(fang)(fang)水(shui)(shui)面(mian)(mian)(mian)(mian)(mian)(mian)積(ji)(ji)(ji)不(bu)(bu)超過4處。適用于(yu)(yu)(yu)人員經(jing)常(chang)活(huo)動的(de)(de)(de)(de)(de)場所(suo),重(zhong)要(yao)(yao)的(de)(de)(de)(de)(de)戰(zhan)(zhan)備工(gong)(gong)(gong)程。防(fang)(fang)水(shui)(shui)等(deng)級(ji)三級(ji):有(you)少量(liang)的(de)(de)(de)(de)(de)漏水(shui)(shui)點,不(bu)(bu)得(de)有(you)線(xian)流和(he)(he)漏泥沙(sha)。單(dan)個(ge)濕漬(zi)面(mian)(mian)(mian)(mian)(mian)(mian)積(ji)(ji)(ji)不(bu)(bu)大(da)于(yu)(yu)(yu)0.3㎡,單(dan)個(ge)漏水(shui)(shui)點的(de)(de)(de)(de)(de)漏水(shui)(shui)量(liang)不(bu)(bu)大(da)于(yu)(yu)(yu)2.5L/d,任(ren)(ren)意100㎡防(fang)(fang)水(shui)(shui)面(mian)(mian)(mian)(mian)(mian)(mian)積(ji)(ji)(ji)不(bu)(bu)超過7處。適用于(yu)(yu)(yu)人員臨時(shi)活(huo)動的(de)(de)(de)(de)(de)場所(suo),一般的(de)(de)(de)(de)(de)戰(zhan)(zhan)備工(gong)(gong)(gong)程。防(fang)(fang)水(shui)(shui)等(deng)級(ji)四級(ji):有(you)漏水(shui)(shui)點,不(bu)(bu)得(de)有(you)線(xian)流和(he)(he)漏泥沙(sha)。整個(ge)工(gong)(gong)(gong)程平均漏水(shui)(shui)量(liang)不(bu)(bu)大(da)于(yu)(yu)(yu) 2L/d,任(ren)(ren)意100㎡防(fang)(fang)水(shui)(shui)面(mian)(mian)(mian)(mian)(mian)(mian)積(ji)(ji)(ji)的(de)(de)(de)(de)(de)平均漏水(shui)(shui)量(liang)不(bu)(bu)大(da)于(yu)(yu)(yu)4L/d。適用于(yu)(yu)(yu)對滲透水(shui)(shui)沒有(you)嚴格要(yao)(yao)求(qiu)的(de)(de)(de)(de)(de)工(gong)(gong)(gong)程。
六(liu)、樓層、廁浴間、廚(chu)房防水:
其防水(shui)方(fang)法(fa)應用(yong)柔性涂膜(mo)防水(shui)層(ceng)(ceng)、剛性防水(shui)砂(sha)漿防水(shui)層(ceng)(ceng),或(huo)兩者復合的防水(shui)層(ceng)(ceng)。
七、特(te)殊建筑工程(部位)防水(shui):
特殊部位(wei)宜采(cai)用(yong)等級(ji)為Ⅰ、Ⅱ級(ji)防水措施,并且采(cai)用(yong)現澆(jiao)鋼筋混(hun)凝土穩定結構作為基層,宜摻微膨(peng)脹劑。
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