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在墻(qiang)(qiang)板(ban)混(hun)(hun)(hun)凝(ning)土(tu)配合比設計試配,確定設計配合比階段,采(cai)取了(le)降低(di)水(shui)灰(hui)(hui)比的(de)(de)(de)措(cuo)施(shi)。底(di)板(ban)與(yu)墻(qiang)(qiang)板(ban)同為(wei)(wei)(wei)C30P12,而底(di)板(ban)的(de)(de)(de)水(shui)灰(hui)(hui)比為(wei)(wei)(wei)0.47。而墻(qiang)(qiang)板(ban)的(de)(de)(de)水(shui)灰(hui)(hui)比為(wei)(wei)(wei)0.41,混(hun)(hun)(hun)凝(ning)土(tu)的(de)(de)(de)坍落(luo)度指(zhi)標底(di)板(ban)為(wei)(wei)(wei)18~20厘米(mi),墻(qiang)(qiang)板(ban)坍落(luo)度指(zhi)標控(kong)制(zhi)(zhi)在14~16厘米(mi)。采(cai)取該措(cuo)施(shi)的(de)(de)(de)目的(de)(de)(de)在于減少用水(shui)量、降低(di)混(hun)(hun)(hun)凝(ning)土(tu)的(de)(de)(de)收縮。在混(hun)(hun)(hun)凝(ning)土(tu)澆筑(zhu)階段,采(cai)用二次振搗的(de)(de)(de)工藝,即(ji)在混(hun)(hun)(hun)凝(ning)土(tu)初凝(ning)前(qian)進行二次振搗。避免(mian)混(hun)(hun)(hun)凝(ning)土(tu)因沉降收縮而引起的(de)(de)(de)裂縫(feng)。提醒這些措(cuo)施(shi)的(de)(de)(de)實施(shi)對控(kong)制(zhi)(zhi)墻(qiang)(qiang)體裂縫(feng)的(de)(de)(de)出現是非常有必(bi)要的(de)(de)(de)。在澆筑(zhu)過(guo)程中(zhong)其他方(fang)面的(de)(de)(de)控(kong)制(zhi)(zhi)均與(yu)底(di)板(ban)的(de)(de)(de)控(kong)制(zhi)(zhi)措(cuo)施(shi)方(fang)法相同。
DH-814Ⅱ型聚(ju)氨酯(zhi)幫助堵(du)漏(lou)膠(jiao)是遇水(shui)(shui)(shui)(shui)即反應,由于水(shui)(shui)(shui)(shui)參與(yu)了反應,漿(jiang)(jiang)液(ye)不會被水(shui)(shui)(shui)(shui)稀(xi)釋沖走,這是其他灌漿(jiang)(jiang)材料所(suo)不具(ju)備(bei)的(de)優點;漿(jiang)(jiang)液(ye)在(zai)(zai)壓力(li)作用下,灌入混(hun)凝 土(tu)(tu)裂縫(feng)(feng),同(tong)時向裂縫(feng)(feng)周圍蔓延,當遇水(shui)(shui)(shui)(shui)時又發(fa)生反應,發(fa)泡膨脹(zhang),形(xing)成二次蔓延,繼(ji)續滲(shen)入混(hun)凝土(tu)(tu)縫(feng)(feng)隙(xi),形(xing)成網狀結(jie)構,成為密(mi)度小、含水(shui)(shui)(shui)(shui)的(de)彈性體(ti),有良好(hao)的(de) 適應變形(xing)能力(li),止水(shui)(shui)(shui)(shui)性好(hao)。灌漿(jiang)(jiang)孔(kong)(kong)的(de)設計和(he)布孔(kong)(kong) 灌漿(jiang)(jiang)孔(kong)(kong)的(de)布孔(kong)(kong)有騎縫(feng)(feng)和(he)斜孔(kong)(kong)兩(liang)種形(xing)式,建議根據(ju)實際情(qing)況和(he)需要(yao)加(jia)以(yi)選擇,必(bi)要(yao)時兩(liang)者并(bing)用。(1) 灌漿(jiang)(jiang)孔(kong)(kong)的(de)設計:灌漿(jiang)(jiang)孔(kong)(kong)的(de)位(wei)置,應使孔(kong)(kong)和(he)漏(lou)水(shui)(shui)(shui)(shui)裂縫(feng)(feng)孔(kong)(kong)隙(xi)相交,并(bing)選在(zai)(zai)漏(lou)水(shui)(shui)(shui)(shui)量深(shen)處。(2) 布孔(kong)(kong)原則(ze):注漿(jiang)(jiang)孔(kong)(kong)眼的(de)位(wei)置和(he)數量,需根據(ju)不同(tong)漏(lou)水(shui)(shui)(shui)(shui)情(qing)況進行合(he)理安排,以(yi)導出漏(lou)水(shui)(shui)(shui)(shui)為目的(de),在(zai)(zai)集中漏(lou)水(shui)(shui)(shui)(shui)處布孔(kong)(kong),裂縫(feng)(feng)大(da),水(shui)(shui)(shui)(shui)流量大(da),則(ze)孔(kong)(kong)距大(da),縫(feng)(feng)小則(ze)孔(kong)(kong)距小。
房間(jian)水(shui)(shui)(shui)管(guan)(guan)(guan)(guan)(guan)接(jie)口(kou)漏(lou)水(shui)(shui)(shui)怎么辦,水(shui)(shui)(shui)管(guan)(guan)(guan)(guan)(guan)漏(lou)水(shui)(shui)(shui)該如何處理?相信(xin)這(zhe)是(shi)(shi)(shi)許多人都非常想要了(le)解的。是(shi)(shi)(shi)手忙腳(jiao)亂的到(dao)(dao)處搬救兵,還是(shi)(shi)(shi)胸(xiong)有(you)成(cheng)竹(zhu)臨危不(bu)亂?安裝管(guan)(guan)(guan)(guan)(guan)道時(shi)沒有(you)固(gu)定(ding)好(hao)(hao),造成(cheng)松動:管(guan)(guan)(guan)(guan)(guan)道預留口(kou)位置(zhi)有(you)錯誤(wu),混凝土(tu)澆(jiao)搗(dao)不(bu)到(dao)(dao)位:沒有(you)做好(hao)(hao)防漏(lou)處理等是(shi)(shi)(shi)造成(cheng)管(guan)(guan)(guan)(guan)(guan)道漏(lou)水(shui)(shui)(shui)的原(yuan)因。鑿開(kai)預留管(guan)(guan)(guan)(guan)(guan)道洞口(kou),進行(xing)底(di)部裝模與(yu)刷水(shui)(shui)(shui)泥油,以便新舊(jiu)水(shui)(shui)(shui)泥砂漿(jiang)的接(jie)合;澆(jiao)搗(dao)高(gao)一級標號(hao)的砼,在干透的管(guan)(guan)(guan)(guan)(guan)道口(kou)周(zhou)邊(bian)做一層(ceng)防水(shui)(shui)(shui)材(cai)料。在干透的管(guan)(guan)(guan)(guan)(guan)道口(kou)周(zhou)邊(bian)做一層(ceng)防水(shui)(shui)(shui)材(cai)料。24小(xiao)時(shi)之后(hou)做滲水(shui)(shui)(shui)檢(jian)驗,如沒有(you)問題(ti)就(jiu)可(ke)以恢復墻(qiang)面了(le)。管(guan)(guan)(guan)(guan)(guan)道漏(lou)水(shui)(shui)(shui)較為常見,為了(le)避免日后(hou)的麻(ma)煩。記得在施(shi)工時(shi),做好(hao)(hao)安裝工作(zuo),要固(gu)定(ding)好(hao)(hao)管(guan)(guan)(guan)(guan)(guan)道,按照規范澆(jiao)搗(dao)砼。仔(zi)細做好(hao)(hao)每(mei)一步,這(zhe)樣(yang)才能起到(dao)(dao)防治(zhi)作(zuo)用。
如果(guo)是露(lu)天陽臺(tai),要(yao)進行(xing)補(bu)漏(lou)可(ke)以(yi)用柏(bo)油跟防(fang)水布雙(shuang)重(zhong)結合的(de)方(fang)式來進行(xing),如果(guo)是封閉式或(huo)者半封閉式陽臺(tai),這(zhe)樣(yang)的(de)隱蔽工程是可(ke)以(yi)找來進行(xing)補(bu)漏(lou)處理,個人施工還是有一定的(de)難度。為了(le)避免底板和外(wai)墻轉角處出(chu)(chu)現(xian)滲漏(lou)現(xian)象(xiang),在300mm高砼(tong)(tong)(tong)導(dao)墻施工嚴(yan)格把(ba)(ba)直把(ba)(ba)質(zhi)量關,先把(ba)(ba)底板砼(tong)(tong)(tong)澆(jiao)筑到吊(diao)(diao)模下口(kou)(kou)處的(de)位置,等到砼(tong)(tong)(tong)即將補(bu)凝時(shi)(shi)再(zai)澆(jiao)筑導(dao)墻砼(tong)(tong)(tong)。導(dao)墻砼(tong)(tong)(tong)澆(jiao)筑時(shi)(shi)必須振(zhen)搗密實,吊(diao)(diao)模下口(kou)(kou)翻(fan)出(chu)(chu)的(de)砼(tong)(tong)(tong)不能急(ji)于刮(gua)除,要(yao)特(te)別注(zhu)意在這(zhe)個時(shi)(shi)候(hou)導(dao)墻根部的(de)砼(tong)(tong)(tong)不能再(zai)振(zhen),以(yi)免出(chu)(chu)現(xian)吊(diao)(diao)腳,導(dao)致滲漏(lou)故(gu)障的(de)發生。為了(le)控(kong)制外(wai)墻蜂窩及裂縫的(de)產生,砼(tong)(tong)(tong)施工時(shi)(shi)要(yao)把(ba)(ba)握振(zhen)搗和養護關。加(jia)強砼(tong)(tong)(tong)振(zhen)搗,執行(xing)“快插慢拔”,嚴(yan)禁出(chu)(chu)現(xian)漏(lou)振(zhen)或(huo)過(guo)振(zhen)而引起蜂窩。
房屋漏水有一個很重要的原因就是防水材料老化,因此防水材料的選擇尤為重要。第一,從材料選擇上,要考慮材料的特性和適應范圍。注重剛性和柔軟的組合,貴港市屋面防水具有很多優勢,例如延展性好,適應性強,可以避免耐熱性差,易老化的缺點。屋面防水哪家好解釋而混凝(ning)土材(cai)質耐久性(xing)(xing)強(qiang)(qiang),耐穿(chuan)刺性(xing)(xing)好,可(ke)以避免抗拉強(qiang)(qiang)度差(cha),變(bian)形適(shi)應性(xing)(xing)差(cha)的缺點(dian)。大大提高了屋(wu)頂(ding)的整(zheng)體(ti)防水性(xing)(xing)。第二,選(xuan)用兩種防水材(cai)料,上(shang)層選(xuan)用APP改性(xing)(xing)瀝青時,下(xia)層應選(xuan)擇(ze)防水涂(tu)層,或易熱熔的SBS防水卷材(cai)。
大家都知道(dao),房子漏水(shui)(shui)特別是地下(xia)(xia)室漏水(shui)(shui)是一件(jian)麻煩(fan)的(de)事情(qing),地下(xia)(xia)室剛(gang)性(xing)防水(shui)(shui)方面,應提高(gao)混(hun)凝土的(de)施工(gong)(gong)(gong)質量以及減少混(hun)凝土的(de)開裂情(qing)況,以下(xia)(xia)是顧(gu)得(de)防水(shui)(shui)整理的(de)一些提高(gao)質量減少開裂的(de)具(ju)(ju)體施工(gong)(gong)(gong)技術。模(mo)(mo)(mo)板(ban)工(gong)(gong)(gong)程(cheng)施工(gong)(gong)(gong)過程(cheng)中,首(shou)先,要(yao)對重要(yao)構件(jian)的(de)模(mo)(mo)(mo)板(ban)和(he)支撐進(jin)行計(ji)算(suan),確(que)保模(mo)(mo)(mo)板(ban)體系具(ju)(ju)有足夠的(de)強度(du)(du)和(he)剛(gang)度(du)(du):其次,模(mo)(mo)(mo)板(ban)加工(gong)(gong)(gong)時(shi)(shi)要(yao)控制模(mo)(mo)(mo)板(ban)尺(chi)寸和(he)因周轉次數(shu)過多而出現損壞的(de)模(mo)(mo)(mo)板(ban):再次,模(mo)(mo)(mo)板(ban)安裝(zhuang)時(shi)(shi)要(yao)注(zhu)意安裝(zhuang)順序、大跨(kua)度(du)(du)構件(jian)的(de)起拱、陰陽角部位(wei)的(de)支護:最后,模(mo)(mo)(mo)板(ban)拆(chai)除時(shi)(shi)要(yao)注(zhu)意混(hun)凝土的(de)強度(du)(du)要(yao)達到(dao)相應要(yao)求方可拆(chai)除。