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淺談沸石硅質剛性防水材料

發布日期:2017-09-15   瀏覽量:次

沸石硅質(zhi)剛性(xing)防(fang)水材(cai)料---即:沸石硅質(zhi)抗(kang)裂防(fang)水劑(ji)JX系列(lie),是一種集(ji)砂漿(jiang)混凝土(tu)防(fang)水劑(ji)、混凝土(tu)膨脹劑(ji)為一體(ti)的砼外加劑(ji)產品(pin),

優點:由(you)于(yu)其摻合(he)料(liao)選用了高品級(ji)的(de)(de)(de)(de)絲光沸(fei)(fei)石(shi)為(wei)主要(yao)原料(liao),從而利用天然(ran)絲光沸(fei)(fei)石(shi)特(te)有(you)的(de)(de)(de)(de)吸(xi)附、離子交(jiao)換、耐(nai)酸、耐(nai)堿(jian)、熱穩(wen)定、環保(bao)等性(xing)(xing)(xing)能(neng),使添加(jia)后的(de)(de)(de)(de)砼、砂漿(jiang)具有(you)密實(shi)(shi)、減(jian)(jian)水(shui)(shui)(shui)(shui)、引(yin)氣、憎水(shui)(shui)(shui)(shui)、補償收縮、自愈合(he)等防(fang)水(shui)(shui)(shui)(shui)性(xing)(xing)(xing)能(neng),將它(ta)摻入(ru)水(shui)(shui)(shui)(shui)泥(ni)砂漿(jiang)、混凝土中(zhong),由(you)于(yu)沸(fei)(fei)石(shi)富含sio2    Al2o3及(ji)(ji)少量的(de)(de)(de)(de)MgO,能(neng)與水(shui)(shui)(shui)(shui)泥(ni)水(shui)(shui)(shui)(shui)化(hua)(hua)后產(chan)生(sheng)的(de)(de)(de)(de)Ca(OH)2及(ji)(ji)CaSO4進(jin)行連續(xu)均勻的(de)(de)(de)(de)水(shui)(shui)(shui)(shui)化(hua)(hua)反應,生(sheng)成(cheng)具有(you)密實(shi)(shi)、微膨脹的(de)(de)(de)(de)雙膨脹源鈣礬石(shi)和(he)水(shui)(shui)(shui)(shui)鎂石(shi),可起到(dao)補償收縮減(jian)(jian)少裂縫(feng)的(de)(de)(de)(de)作用。改性(xing)(xing)(xing)后的(de)(de)(de)(de)沸(fei)(fei)石(shi)微晶(jing)表(biao)面(mian)活(huo)性(xing)(xing)(xing)對拌合(he)物(wu)可產(chan)生(sheng)分散、減(jian)(jian)水(shui)(shui)(shui)(shui)、引(yin)氣作用、并形成(cheng)憎水(shui)(shui)(shui)(shui)吸(xi)附層和(he)不溶(rong)膠體物(wu)質(zhi)填充微小(xiao)孔隙和(he)堵塞毛(mao)細管通路,增加(jia)密實(shi)(shi),提高強(qiang)度和(he)抗滲,同(tong)時降(jiang)低水(shui)(shui)(shui)(shui)泥(ni)毛(mao)細孔壁的(de)(de)(de)(de)表(biao)面(mian)張力(li)(li),減(jian)(jian)少水(shui)(shui)(shui)(shui)泥(ni)凝膠的(de)(de)(de)(de)收縮,從而減(jian)(jian)少了干(gan)縮,并使硬化(hua)(hua)后的(de)(de)(de)(de)砂漿(jiang)、混凝土產(chan)生(sheng)憎水(shui)(shui)(shui)(shui),即使因(yin)變形產(chan)生(sheng)微小(xiao)裂縫(feng)(0.2mm),若(ruo)在(zai)潮濕環境下,充盈于(yu)毛(mao)細孔隙中(zhong)的(de)(de)(de)(de)活(huo)性(xing)(xing)(xing)基(ji)團物(wu)質(zhi)與未完(wan)全水(shui)(shui)(shui)(shui)化(hua)(hua)成(cheng)分及(ji)(ji)Ca(OH)2發生(sheng)二次反應,生(sheng)產(chan)具有(you)一定粘接(jie)力(li)(li)的(de)(de)(de)(de)憎水(shui)(shui)(shui)(shui)結晶(jing)物(wu)質(zhi)填充于(yu)裂縫(feng)中(zhong),可提高裂縫(feng)自愈合(he)能(neng)力(li)(li)。因(yin)為(wei)它(ta)的(de)(de)(de)(de)上述特(te)性(xing)(xing)(xing),從而使其被(bei)湖南(nan)省(sheng)標準(zhun)設(she)計(ji)院編為(wei)標準(zhun)圖集《湘T2015J205建(jian)筑(zhu)工程防(fang)水(shui)(shui)(shui)(shui)材料(liao)與構造(二)沸(fei)(fei)石(shi)硅質(zhi)剛性(xing)(xing)(xing)防(fang)水(shui)(shui)(shui)(shui)材料(liao)》,同(tong)時被(bei)湖南(nan)省(sheng)住房和(he)城鄉建(jian)設(she)廳在(zai)建(jian)設(she)行業進(jin)行推廣。

缺陷(xian):沸石(shi)(shi)硅質(zhi)(zhi)抗(kang)裂防(fang)(fang)(fang)(fang)(fang)(fang)(fang)水(shui)(shui)(shui)(shui)(shui)(shui)劑(ji)觀其圖集上(shang)的(de)(de)技術(shu)指標(biao),參照相(xiang)(xiang)關(guan)國(guo)家規范標(biao)準,實(shi)(shi)際(ji)上(shang)它(ta)執(zhi)行(xing)的(de)(de)是(shi)JC474-2008砂(sha)(sha)漿(jiang)(jiang)混(hun)凝(ning)土防(fang)(fang)(fang)(fang)(fang)(fang)(fang)水(shui)(shui)(shui)(shui)(shui)(shui)劑(ji)、GB23439-2009混(hun)凝(ning)土膨脹劑(ji)、GB8076-2008混(hun)泥(ni)土外(wai)加(jia)劑(ji)標(biao)準中(zhong)相(xiang)(xiang)關(guan)技術(shu)指標(biao),也(ye)(ye)就(jiu)是(shi)說它(ta)實(shi)(shi)際(ji)上(shang)就(jiu)是(shi)一(yi)種混(hun)凝(ning)土外(wai)加(jia)劑(ji),它(ta)僅僅只具有(you)(you)剛(gang)(gang)(gang)性(xing)(xing)防(fang)(fang)(fang)(fang)(fang)(fang)(fang)水(shui)(shui)(shui)(shui)(shui)(shui)的(de)(de)性(xing)(xing)能,故只能用(yong)(yong)于(yu)建(jian)筑(zhu)(zhu)結(jie)(jie)(jie)構(gou)自(zi)防(fang)(fang)(fang)(fang)(fang)(fang)(fang)水(shui)(shui)(shui)(shui)(shui)(shui)。而(er)圖集將其作(zuo)為防(fang)(fang)(fang)(fang)(fang)(fang)(fang)水(shui)(shui)(shui)(shui)(shui)(shui)工(gong)(gong)(gong)程進行(xing)相(xiang)(xiang)關(guan)防(fang)(fang)(fang)(fang)(fang)(fang)(fang)水(shui)(shui)(shui)(shui)(shui)(shui)等(deng)級(ji)(一(yi)級(ji),二(er)級(ji)等(deng))的(de)(de)工(gong)(gong)(gong)程防(fang)(fang)(fang)(fang)(fang)(fang)(fang)水(shui)(shui)(shui)(shui)(shui)(shui)設防(fang)(fang)(fang)(fang)(fang)(fang)(fang)必然會(hui)(hui)留(liu)下(xia)致(zhi)(zhi)(zhi)命(ming)的(de)(de)隱患,其所進行(xing)防(fang)(fang)(fang)(fang)(fang)(fang)(fang)水(shui)(shui)(shui)(shui)(shui)(shui)施(shi)(shi)工(gong)(gong)(gong)即(ji)使嚴格按照圖集工(gong)(gong)(gong)藝(yi)施(shi)(shi)工(gong)(gong)(gong)也(ye)(ye)無(wu)法克服這(zhe)些致(zhi)(zhi)(zhi)命(ming)的(de)(de)隱患,因(yin)(yin)(yin)為,砼(tong)外(wai)加(jia)劑(ji)的(de)(de)剛(gang)(gang)(gang)性(xing)(xing)防(fang)(fang)(fang)(fang)(fang)(fang)(fang)水(shui)(shui)(shui)(shui)(shui)(shui)只能作(zuo)為結(jie)(jie)(jie)構(gou)自(zi)防(fang)(fang)(fang)(fang)(fang)(fang)(fang)水(shui)(shui)(shui)(shui)(shui)(shui)用(yong)(yong),而(er)剛(gang)(gang)(gang)性(xing)(xing)防(fang)(fang)(fang)(fang)(fang)(fang)(fang)水(shui)(shui)(shui)(shui)(shui)(shui)致(zhi)(zhi)(zhi)命(ming)的(de)(de)缺陷(xian)即(ji)是(shi)不(bu)抗(kang)裂,雖(sui)然沸石(shi)(shi)硅質(zhi)(zhi)抗(kang)裂防(fang)(fang)(fang)(fang)(fang)(fang)(fang)水(shui)(shui)(shui)(shui)(shui)(shui)劑(ji)能夠(gou)一(yi)定(ding)程度(du)(du)上(shang)補償(chang)收縮、微(wei)晶填塞毛(mao)細管(guan)通道、二(er)次(ci)水(shui)(shui)(shui)(shui)(shui)(shui)化反應等(deng)對砼(tong)的(de)(de)收縮有(you)(you)一(yi)定(ding)的(de)(de)抵抗(kang)及補償(chang)作(zuo)用(yong)(yong),但它(ta)的(de)(de)所有(you)(you)作(zuo)用(yong)(yong)都是(shi)有(you)(you)限(xian)的(de)(de)(即(ji)使達(da)到(dao)了(le)規范標(biao)準的(de)(de)理(li)論(lun)值0.2mm),而(er)結(jie)(jie)(jie)構(gou)砼(tong)由(you)于(yu)建(jian)筑(zhu)(zhu)的(de)(de)沉(chen)降、結(jie)(jie)(jie)構(gou)的(de)(de)自(zi)然老化收縮特別是(shi)我國(guo)的(de)(de)氣候四季分明(ming),從(cong)而(er)由(you)于(yu)溫度(du)(du)、濕度(du)(du)、環境(jing)變化等(deng)多方因(yin)(yin)(yin)素(su)的(de)(de)影響,結(jie)(jie)(jie)構(gou)砼(tong)的(de)(de)收縮一(yi)般都會(hui)(hui)遠遠大于(yu)0.2mm這(zhe)個(ge)值,從(cong)而(er)使結(jie)(jie)(jie)構(gou)裂縫出現(xian)滲漏;同時由(you)于(yu)結(jie)(jie)(jie)構(gou)砼(tong)以及防(fang)(fang)(fang)(fang)(fang)(fang)(fang)水(shui)(shui)(shui)(shui)(shui)(shui)砂(sha)(sha)漿(jiang)(jiang)層均為人工(gong)(gong)(gong)施(shi)(shi)工(gong)(gong)(gong),在砼(tong)制(zhi)(zhi)作(zuo)過程中(zhong)膠(jiao)凝(ning)材(cai)料的(de)(de)品質(zhi)(zhi)、標(biao)號、類型,砂(sha)(sha)石(shi)(shi)的(de)(de)含泥(ni)量、級(ji)配(pei)、水(shui)(shui)(shui)(shui)(shui)(shui)膠(jiao)比等(deng)等(deng)因(yin)(yin)(yin)素(su)都無(wu)法達(da)到(dao)理(li)論(lun)值,澆(jiao)筑(zhu)(zhu)施(shi)(shi)工(gong)(gong)(gong)時要求(qiu)的(de)(de)振(zhen)(zhen)搗(要求(qiu)均勻不(bu)漏振(zhen)(zhen)、不(bu)欠振(zhen)(zhen)不(bu)過振(zhen)(zhen)),抹(mo)面(mian)工(gong)(gong)(gong)藝(yi)中(zhong)的(de)(de)密(mi)實(shi)(shi)壓光等(deng)等(deng)都不(bu)可(ke)能達(da)到(dao)理(li)論(lun)的(de)(de)要求(qiu),在砼(tong)或(huo)砂(sha)(sha)漿(jiang)(jiang)防(fang)(fang)(fang)(fang)(fang)(fang)(fang)水(shui)(shui)(shui)(shui)(shui)(shui)層施(shi)(shi)工(gong)(gong)(gong)中(zhong)可(ke)能會(hui)(hui)出現(xian)峰孔、麻(ma)面(mian)即(ji)使極少也(ye)(ye)會(hui)(hui)讓這(zhe)些致(zhi)(zhi)(zhi)命(ming)隱患留(liu)下(xia)從(cong)而(er)產生滲漏,而(er)與之相(xiang)(xiang)配(pei)合的(de)(de)第二(er)道防(fang)(fang)(fang)(fang)(fang)(fang)(fang)水(shui)(shui)(shui)(shui)(shui)(shui)層--水(shui)(shui)(shui)(shui)(shui)(shui)泥(ni)砂(sha)(sha)漿(jiang)(jiang)防(fang)(fang)(fang)(fang)(fang)(fang)(fang)水(shui)(shui)(shui)(shui)(shui)(shui)層也(ye)(ye)是(shi)由(you)施(shi)(shi)工(gong)(gong)(gong)方在現(xian)場利用(yong)(yong)建(jian)筑(zhu)(zhu)本身(shen)自(zi)有(you)(you)的(de)(de)建(jian)筑(zhu)(zhu)砂(sha)(sha)摻入一(yi)定(ding)量的(de)(de)沸石(shi)(shi)硅質(zhi)(zhi)防(fang)(fang)(fang)(fang)(fang)(fang)(fang)水(shui)(shui)(shui)(shui)(shui)(shui)劑(ji)制(zhi)(zhi)成的(de)(de),根本不(bu)是(shi)專(zhuan)用(yong)(yong)防(fang)(fang)(fang)(fang)(fang)(fang)(fang)水(shui)(shui)(shui)(shui)(shui)(shui)材(cai)料中(zhong)的(de)(de)由(you)專(zhuan)業防(fang)(fang)(fang)(fang)(fang)(fang)(fang)水(shui)(shui)(shui)(shui)(shui)(shui)企業預(yu)制(zhi)(zhi)好(hao)的(de)(de)防(fang)(fang)(fang)(fang)(fang)(fang)(fang)水(shui)(shui)(shui)(shui)(shui)(shui)專(zhuan)用(yong)(yong)砂(sha)(sha)漿(jiang)(jiang),這(zhe)就(jiu)使得用(yong)(yong)于(yu)砂(sha)(sha)漿(jiang)(jiang)防(fang)(fang)(fang)(fang)(fang)(fang)(fang)水(shui)(shui)(shui)(shui)(shui)(shui)層的(de)(de)防(fang)(fang)(fang)(fang)(fang)(fang)(fang)水(shui)(shui)(shui)(shui)(shui)(shui)砂(sha)(sha)漿(jiang)(jiang)的(de)(de)標(biao)號、砂(sha)(sha)石(shi)(shi)級(ji)配(pei)等(deng)等(deng)離理(li)論(lun)要求(qiu)相(xiang)(xiang)差(cha)甚(shen)遠,二(er)且也(ye)(ye)僅僅是(shi)多了(le)一(yi)層剛(gang)(gang)(gang)性(xing)(xing)細石(shi)(shi)砼(tong)或(huo)者砂(sha)(sha)漿(jiang)(jiang)防(fang)(fang)(fang)(fang)(fang)(fang)(fang)水(shui)(shui)(shui)(shui)(shui)(shui)層而(er)已,兩層乃(nai)至(zhi)多層剛(gang)(gang)(gang)性(xing)(xing)防(fang)(fang)(fang)(fang)(fang)(fang)(fang)水(shui)(shui)(shui)(shui)(shui)(shui)層搭(da)配(pei)的(de)(de)防(fang)(fang)(fang)(fang)(fang)(fang)(fang)水(shui)(shui)(shui)(shui)(shui)(shui)依然是(shi)剛(gang)(gang)(gang)性(xing)(xing)防(fang)(fang)(fang)(fang)(fang)(fang)(fang)水(shui)(shui)(shui)(shui)(shui)(shui),同樣無(wu)法克服剛(gang)(gang)(gang)性(xing)(xing)防(fang)(fang)(fang)(fang)(fang)(fang)(fang)水(shui)(shui)(shui)(shui)(shui)(shui)的(de)(de)致(zhi)(zhi)(zhi)命(ming)缺陷(xian),也(ye)(ye)違反了(le)建(jian)筑(zhu)(zhu)防(fang)(fang)(fang)(fang)(fang)(fang)(fang)水(shui)(shui)(shui)(shui)(shui)(shui)必須采用(yong)(yong)剛(gang)(gang)(gang)柔相(xiang)(xiang)濟(ji)、防(fang)(fang)(fang)(fang)(fang)(fang)(fang)排結(jie)(jie)(jie)合的(de)(de)原(yuan)則。

綜上所需:沸石硅質(zhi)剛(gang)性材(cai)料防(fang)(fang)(fang)水(shui)(shui)用(yong)(yong)作建筑結構(gou)自防(fang)(fang)(fang)水(shui)(shui)不失為一種(zhong)上好的(de)外加(jia)劑,而如果用(yong)(yong)作建筑防(fang)(fang)(fang)水(shui)(shui)工(gong)程(cheng)(cheng)必須(xu)由具有(you)相關(guan)防(fang)(fang)(fang)水(shui)(shui)設計(ji)、施工(gong)專業資質(zhi)的(de)專業人員,配(pei)(pei)合(he)以必須(xu)的(de)與(yu)之相匹(pi)配(pei)(pei)的(de)柔性防(fang)(fang)(fang)水(shui)(shui)材(cai)料同時(shi)搭配(pei)(pei)使用(yong)(yong),這樣做出的(de)防(fang)(fang)(fang)水(shui)(shui)工(gong)程(cheng)(cheng)才能保證防(fang)(fang)(fang)水(shui)(shui)效果萬無(wu)(wu)一失,僅(jin)僅(jin)只有(you)外加(jia)劑研發生產的(de)企業是根本無(wu)(wu)法達到防(fang)(fang)(fang)水(shui)(shui)萬無(wu)(wu)一失的(de)。

 

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