①. 管(guan)道(dao)(dao)(dao)穿過建筑物的(de)樓(lou)板(ban)、房頂(ding)或(huo)墻時(shi),在穿孔處應(ying)(ying)(ying)加套(tao)(tao)管(guan),套(tao)(tao)管(guan)與管(guan)道(dao)(dao)(dao)之間的(de)空隙應(ying)(ying)(ying)以軟(ruan)質材料封堵。套(tao)(tao)管(guan)直徑(jing)應(ying)(ying)(ying)大于(yu)管(guan)道(dao)(dao)(dao)或(huo)隔(ge)熱管(guan)道(dao)(dao)(dao)的(de)隔(ge)熱層外徑(jing),并且不影響管(guan)道(dao)(dao)(dao)的(de)熱位(wei)移(yi)。套(tao)(tao)管(guan)應(ying)(ying)(ying)高出樓(lou)板(ban)或(huo)房頂(ding)50mm,處于(yu)頂(ding)層者必要時(shi)應(ying)(ying)(ying)設(she)防雨罩。管(guan)道(dao)(dao)(dao)的(de)焊縫(feng)不應(ying)(ying)(ying)位(wei)于(yu)套(tao)(tao)管(guan)內,并距(ju)套(tao)(tao)管(guan)端部不小于(yu)150mm。管(guan)道(dao)(dao)(dao)不應(ying)(ying)(ying)穿過防火墻和(he)防爆墻。


  ②. 管(guan)(guan)(guan)道(dao)穿過為隔(ge)離(li)劇毒或易(yi)爆介質(zhi)的(de)建筑物隔(ge)離(li)墻時應加套(tao)(tao)管(guan)(guan)(guan),套(tao)(tao)管(guan)(guan)(guan)內的(de)空隙(xi)應采用(yong)非金屬(shu)柔性材料充填。管(guan)(guan)(guan)道(dao)上的(de)焊縫不(bu)(bu)應在套(tao)(tao)管(guan)(guan)(guan)內,并(bing)距(ju)套(tao)(tao)管(guan)(guan)(guan)端口不(bu)(bu)小于100mm。管(guan)(guan)(guan)道(dao)穿屋面(mian)處,應有防(fang)雨措施。


  ③. 管(guan)(guan)道穿越樓板必須加套管(guan)(guan),管(guan)(guan)壁到(dao)套管(guan)(guan)有50~100mm的凈空。


  ④. 所有(you)墻、樓板(ban)有(you)管道穿越時都需(xu)要加套(tao)(tao)管,只不過套(tao)(tao)管的形(xing)式不同。


  穿(chuan)外墻(qiang)的(de)用(yong)柔性防水套管或鋼性防水套管。穿(chuan)內墻(qiang)的(de)用(yong)鋼套管或鐵皮套管。


  穿墻套(tao)(tao)管(guan)(guan)(guan)又(you)叫做穿墻管(guan)(guan)(guan)、防水(shui)(shui)(shui)套(tao)(tao)管(guan)(guan)(guan)、墻體預埋管(guan)(guan)(guan),防水(shui)(shui)(shui)套(tao)(tao)管(guan)(guan)(guan)分為剛性(xing)(xing)防水(shui)(shui)(shui)套(tao)(tao)管(guan)(guan)(guan)和(he)柔(rou)性(xing)(xing)防水(shui)(shui)(shui)套(tao)(tao)管(guan)(guan)(guan)。兩(liang)者主(zhu)(zhu)要(yao)(yao)是使用(yong)(yong)的(de)地(di)方(fang)不一(yi)樣,柔(rou)性(xing)(xing)防水(shui)(shui)(shui)套(tao)(tao)管(guan)(guan)(guan)主(zhu)(zhu)要(yao)(yao)用(yong)(yong)在(zai)人(ren)防墻、水(shui)(shui)(shui)池等(deng)要(yao)(yao)求很高的(de)地(di)方(fang),剛性(xing)(xing)防水(shui)(shui)(shui)套(tao)(tao)管(guan)(guan)(guan)一(yi)般用(yong)(yong)在(zai)地(di)下室等(deng)需(xu)穿管(guan)(guan)(guan)道的(de)位置。柔(rou)性(xing)(xing)防水(shui)(shui)(shui)套(tao)(tao)管(guan)(guan)(guan)是適用(yong)(yong)于管(guan)(guan)(guan)道穿過墻壁之處受(shou)有振(zhen)動或有嚴密防水(shui)(shui)(shui)要(yao)(yao)求的(de)構筑物的(de)五金管(guan)(guan)(guan)件。





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