Nrog rau txoj kev loj hlob sai ntawm kev lag luam mortar qhuav hauv Suav teb, daim ntawv thov ntawm cov nplais pobzeb nplaum tuaj yeem txhawb nqa tau zoo.Yog li, dab tsi teeb meem yuav tshwm sim nyob rau hauv daim ntawv thov ntawm ceramic pobzeb kua nplaum?Hnub no, pab koj teb kom meej!
A, vim li cas thiaj siv cov nplais nplaum?
1) Tam sim no ceramic pobzeb lag luam, lub cib ua haujlwm loj dua
Cov vuas loj (xws li 800 × 800) yooj yim rau sag.Kev sib tsoo pobzeb feem ntau tsis xav txog sagging, thiab lub sagging ntawm cov pobzeb los ntawm nws tus kheej qhov hnyav yuav ua rau kom muaj zog ntawm daim ntawv cog lus.
Tam sim no, thaum pasting ceramic pobzeb feem ntau coated nrog cement mortar binder nyob rau sab nraum qab ntawm cov pobzeb ceramic, thiab ces nias rau ntawm phab ntsa, leveling ceramic pobzeb los ntawm kev siv roj hmab rauj, vim hais tias thaj tsam ntawm cov pobzeb ceramic yog qhov loj, nws nyuaj rau tshem tawm tag nrho cov huab cua ntawm cement mortar daim ntawv cog lus txheej, yog li nws yog ib qho yooj yim los tsim lub nruas khoob, daim ntawv cog lus tsis ruaj khov;
2) Hauv kev ua lag luam ntau lub hom phiaj iav cib dej nqus tus nqi kuj tsawg (≤0.2%)
Qhov saum npoo yog du, bibulous tus nqi yog tsawg heev ceramic pobzeb, daim ntawv cog lus nce nyuaj, tsoos ceramic pobzeb nplaum twb tsis tuaj yeem ua raws li qhov yuav tsum tau ua, uas yog hais tias cov pobzeb ceramic uas muag hauv khw tam sim no thiab cov pobzeb ceramic yav dhau los ua. Kev hloov pauv loj heev, thiab tus neeg sawv cev nplaum uas peb siv thiab kev tsim kho yog cov tsoos zoo li ua ntej txawm li cas los xij.
Ob, qhov sib txawv ntawm daim ntawv thov tus neeg sawv cev taw qhia thiab cov cement dawb taw tes
1) Hauv kev ua haujlwm ntev ntawm kev sib sau cov pob qij txha, ntau pawg kho kom zoo nkauj siv cov cement los sau cov pob qij txha.
2) Kev ruaj ntseg ntawm cov cement dawb tsis muaj zog.Thaum pib, nws zoo nkaus li zoo, tab sis tom qab lub sijhawm ntev, yuav muaj cov kab nrib pleb thiab tawg ntawm qhov chaw thiab sab ntawm cov pobzeb ceramic.
3) Kuj tseem muaj qhov hloov xim ntawm qhov chaw ntub dej, (cov plaub hau dub thiab ntsuab) thiab cov cement yog dej nqus.Nws tseem tuaj yeem nqus ob peb yam qias neeg kom pom hauv cov pobzeb ceramic sab hauv, ua rau tsis muaj xim.Nyob rau tib lub sijhawm, yooj yim rau lauj kaub alkali.
Peb, yuav ua li cas nrog ntau dhau ntawm cov pobzeb ceramic?
Taw tes rau glaze cib feem ntau, siv cov nplais pobzeb nplaum tsis tas yuav ntub dej feem ntau, kev tsim kho nyuaj yog tshwm sim tom qab soaking dej.Yog hais tias tsis saib xyuas ntau dhau soaking, nyob rau hauv qhov chaw ntawm tsis rhuav tshem cov pobzeb glaze, yuav tsum tau qhuav, thiab ces siv.
Plaub, cais cib, antique cib tom qab kev sib koom ua ke filling tus neeg saib xyuas kev ua qias tuaj
1) Nws yog ib qho nyuaj rau kev ntxuav, tus tsim yuav tsum xav txog kev siv tib cov xim caulking tus neeg saib xyuas, kev tiv thaiv kev tiv thaiv yuav tsum tau ua ua ntej caulking, nws yog tsim nyog los siv qhuav nuv, thiab ces siv cov cuab yeej tshwj xeeb slip seam;
2) Thaum lub sij hawm tsim kho, tom qab lub sealant yog kho, txhuam tawm cov sealant ntawm qhov chaw nrog ib tug tawv txhuam nyob rau hauv 2h, thiab ces ntxuav lub nto nrog ib tug ntau txhuam;
3) Rau qhov chaw sib kis los ntawm kev sib koom ua ke tus neeg sawv cev, nws tuaj yeem ntxuav nrog cov kua qaub tsis muaj zog thiab ntxuav nrog dej tom qab 10 hnub ntawm kev kho kom qhuav nrog kev sib koom ua ke, tsis muaj qhov seem.
Tsib, pobzeb kua nplaum immersion thiab khov thiab thawing kev puas tsuaj mechanism
1) Kev yaig dej tshiab, thaum dej nkag mus, Ca(oH)2 yuav yaj tawm, uas yuav ua rau cov qauv maj mam xoob thiab ua kom puas;
2) cov o ntawm cov polymer, txawm tias qee cov polymers qhuav rau hauv zaj duab xis, thiab tom qab ntawd dej yuav nqus dej nthuav dav;
3) Interfacial nro: tom qab mortar absorbs dej, dej yuav hloov lub interfacial nro ntawm nws sab hauv capillary phab ntsa thiab cuam tshuam lub interfacial quab yuam;
4) Tom qab ntub dej o thiab ziab, qhov ntim yuav nthuav dav thiab cog lus, ua rau muaj kev ntxhov siab tsis ua haujlwm.
Lus Cim: Cov dej hauv lub mortar yuav khov thiab nthuav thaum nws qis dua qhov chaw khov (coefficient ntawm expansion ntawm dej khov 9%).Thaum lub expansion quab yuam tshaj lub cohesion lub zog ntawm mortar, freezing-thawing tsis ua hauj lwm yuav tshwm sim.
Rau, 801 kua nplaum thiab kua nplaum hmoov tuaj yeem hloov tau cov hmoov latex redispersable?
Tsis tuaj yeem, 801 pom meej rau kev txhim kho kev sib deev kev sib deev, rau qhov kev ua tau zoo tom qab ceramic pobzeb kua nplaum yog tawv, tiv taus dej tshwj xeeb, khov-thaw kev sib deev tsis raug.
Xya, ceramic pobzeb kua nplaum tuaj yeem siv los sib txuas
Tsis zoo, vim hais tias ntawm ob qho tib si Performance index yog sib txawv, ceramic pobzeb kua nplaum yeej nug caking pw ua ke, tus neeg sawv cev caulking nug yooj, hydrophobicity thiab sib ntaus yias-alkalinity, 2 syncretic yuav ua tau tiav nyob rau hauv lub lag luam tam sim no, thiaj li yuav txo tau tus nqi.
Yim, ceramic pobzeb roj hmab hmoov thiab HPMC lub luag haujlwm
Roj Hmab hmoov - txhim kho qhov sib xws thiab smoothness ntawm lub kaw lus nyob rau hauv ntub mixing xeev.Vim yog cov yam ntxwv ntawm cov polymer, kev sib koom ua ke ntawm cov khoom sib xyaw ntub dej tau zoo heev thiab ua rau muaj txiaj ntsig zoo rau kev ua haujlwm.Tom qab ziab, lub zog nplaum ntawm cov txheej txheem duens thiab tuab cov nyhuv ntawm cov xuab zeb thiab pob zeb thiab porosity yog txhim kho.Ntawm qhov chaw ntawm kev ua kom ntseeg tau qhov sib ntxiv, qhov sib txuas tuaj yeem nplua nuj hauv cov yeeb yaj kiab sib xyaw ua ke, yog li cov nplais pobzeb cov nplaum nplaum muaj qee qhov yooj, txo cov elastic modulus, thiab nqus dej kom zoo rau cov thermal deformation kev ntxhov siab.Tom qab ntawd, xws li dej immersion kuj tseem muaj dej tsis zoo, tsis kub, cov khoom deformation tsis sib xws (cov pobzeb deformation coefficient ntawm 6 × 10-6 / ℃, cement pob zeb deformation coefficient ntawm 10 × 10-6 / ℃) thiab lwm yam kev ntxhov siab, txhim kho huab cua tsis kam.
HPMC- muab cov dej tuav tau zoo thiab kev tsim kho rau cov mortar tshiab, tshwj xeeb tshaj yog rau thaj chaw ntub dej.Txhawm rau kom ntseeg tau tias cov tshuaj tiv thaiv hydration du tuaj yeem tiv thaiv cov substrate ntau dhau ntawm cov dej nqus thiab cov dej evaporation.Vim tias nws cov huab cua permeability (1900g / L —-1400g / L PO 400 xuab zeb 600 HPMC 2), cov pobzeb cov kua nplaum ntau ntom yog txo, cov khoom siv tau txais kev cawmdim thiab cov elastic modulus ntawm hardened mortar lub cev raug txo.
Cuaj, xav tias ceramic pobzeb kua nplaum tsis tuaj yeem tsim ua li cas?
1) pobzeb kua nplaum yog hloov kho qhuav sib tov mortar, nws cov dej sib tov, piv nrog cov tsoos cement mortar yuav nplaum, cov neeg ua haujlwm tsim kho muaj lub sijhawm hloov kho;
2) Yog tias cov nplais nplais nplaum nplaum nrog cov dej zoo sib xyaw tshwm sim hauv cov txheej txheem siv cov khoom qhuav tsis tuaj yeem tsim, feem ntau tshwm sim los ntawm lub sijhawm zoo li qub ntev dhau lawm, yuav tsum raug txwv.
Kaum.Yog vim li cas rau xim txawv ntawm sealant
1) Xim txawv ntawm cov khoom nws tus kheej;
2) Cov dej tsis sib xws;
3) huab cua huab cua tom qab kev tsim kho;
4) Cov kev hloov hauv kev tsim kho.
Lwm yam, huv si txheej dej siv yog loj heev, cov dej tsis sib xws uas tshwm sim los ntawm qhov chaw ntiav ntiav, tus neeg saib xyuas cov kua qaub ntau dhau kuj yuav muaj teeb meem saum toj no.
Kaum ib, vim li cas cov pobzeb glazed tshwm me me tawg
Vim tias cov pobzeb glaze nyias dhau lawm, siv cov nplaum nplaum nplaum nplaum nplaum nplaum nplaum nplaum nplaum nplaum, tom qab ziab, ntsws loj dua, lub ntsiab lus rub tawg ntawm glaze los tsim, hais kom siv cov khoom siv cov nplaum nplaum nplaum nplaum.
12, vim li cas cov pobzeb ceramic tom qab nplaum tuaj yeem nyem tawg glaze?
Seam tsis tau tso tseg thaum kev tsim kho, cov pobzeb ceramic cuam tshuam los ntawm cov cua sov bilge txias shrink hloov, tsim tawg ntawm cov vaub kib ntev.
Kaum peb, pobzeb nplaum siv tom qab 2-3D tseem tsis muaj zog, nias muag ntawm tes, vim li cas?
1) Tsis tshua muaj kub, tsis muaj kev tiv thaiv, tsis yooj yim rau hardening;
2) Kev tsim kho yog tuab dhau, qhov tawv tawv sab hauv dej yog lub plhaub loj dhau lawm;
3) Tus nqi nqus dej ntawm lub hauv paus yog tsawg dhau;
4) Qhov loj ntawm lub cib loj heev.
14, tom qab siv tus neeg sawv cev ntawm cov cement puag ceramic pobzeb los nplaum cib, lub peev xwm ntev npaum li cas yog solidified
Feem ntau xav tau 24h kom muaj peev xwm ua tau yooj yim, qhov kub thiab txias lossis qhov cua tsis zoo yuav txuas ntxiv raws li.
Kaum tsib, pob zeb installation 6 lub hlis tom qab tawg, yog vim li cas
1) Lub hauv paus kev daws teeb meem;
2) Kev nthuav dav;
3) Compression deformation;
4) pob zeb sab hauv tsis xws luag (natural kev ntxhib los mos, tawg), qhov tshwm sim tsuas yog ob peb daim;
5) taw tes load lossis hauv zos cuam tshuam ntawm pobzeb nto;
6) pobzeb kua nplaum yog nruj;
7) Cov kab nrib pleb thiab cov pob qij txha ntawm cov cement backplane tsis zoo.
Kaum rau, ceramic pobzeb npliag nruas los yog poob vim li cas
1) pobzeb kua nplaum tsis sib xws;
2) Lub hauv paus tawv tsis ua raws li qhov yuav tsum tau ua, thiab muaj deformation (xws li lub teeb faib phab ntsa);
3) Lub nraub qaum ntawm lub cib tsis raug ntxuav (plua plav lossis tso tawm tus neeg sawv cev);
4) Cov cib loj tsis rov qab;
5) cov kua nplaum nplaum nplaum tsis txaus;
6) Rau lub hauv paus nto nws muaj kev co, tom qab paving nrog ib tug roj hmab rauj ntaus nyuaj heev, cuam tshuam qhov kawg ntawm lub cib raws li qhov kawg ntawm lub installation, ua rau lub interface xoob;
7) Tsis zoo flatness ntawm lub hauv paus nto thiab txawv thickness ntawm ceramic pobzeb kua nplaum ua rau tsis zoo shrinkage tom qab ziab;
8) Muab cov nplaum nplaum tom qab lub sijhawm qhib;
9) Kev hloov ib puag ncig;
10) Cov pob qij txha nthuav dav tsis tau teeb tsa raws li qhov yuav tsum tau ua, ua rau muaj kev ntxhov siab sab hauv;
11) nteg cib ntawm lub hauv paus nto expansion seam;
12) Kev poob siab thiab kev co sab nraud thaum kho.
A. Cement yog cov khoom siv hydraulic cementing.Nws lub zog compressive siab, elastic modulus thiab dej tsis kam ua rau nws yog ib qho tseem ceeb ntawm cov khoom siv masonry.Yog vim li cas yog vim li cas cov txheej txheem ntawm kev sib koom ua ke yog tias cov cement mortar tuaj yeem nkag mus rau hauv lub qhov hws ua ntej qhov chaw pib, condensation thiab hardening, thiab ua si lub luag hauj lwm ntawm mechanical anchoring zoo ib yam li tus yuam sij tso rau hauv lub qhov tseem ceeb, thiaj li ua kom muaj kev sib raug zoo. npog cov khoom siv thiab cov khoom siv hauv paus.
Cov nplaum saum toj no muaj qee qhov kev cog lus rau ceramic bricks (15-30%), tab sis raws li EN12004 tus qauv kab lis kev cai rau 14d + 14d 70 ℃ + 1D, lawv cov nyhuv kuj yuav ploj.Tshwj xeeb tshaj yog nyob rau niaj hnub no cov neeg siv ceramic cib (1-5%) thiab homogeneous cib (0.1%) mechanical anchoring effect tsis tuaj yeem ua lub luag haujlwm zoo.
B, cement thiab 108 kua nplaum raws li binder yog nyob rau hauv redispersion ntawm latex hmoov tsis tau tag nrho lees paub los ntawm cov neeg ntawm cov khoom hloov pauv, nrog siab elastic modulus, tsis tuaj yeem tshem tawm cov kev ntxhov siab sab hauv los ntawm deformation ntawm ceramic pobzeb thiab substrate vim contraction, kub thiab lwm yam.Sab hauv kev ntxhov siab tsis tso tawm, nqa cov pobzeb ceramic kom nce thaum kawg nruas, craze thiab flake.(Raws li pom nyob rau hauv cov xwm txheej saum toj no)
Txhawm rau ua kom tiav, rau cov txheej txheem txheej txheej sab nraud uas muaj cov khoom sib txawv (EIFS\ pwm loj built-in, thiab lwm yam), xws li kev siv cov cib kho kom zoo nkauj, txhawm rau ua kom nws muaj kev nyab xeeb, yuav tsum tsom mus rau qhov sib txuam ntawm elastic modulus ntawm cov khoom sib txawv, qhov yooj yim ntawm cov nplaum nruab nrab, qhov system permeability, kom txo lossis tshem tawm cov kev ntxhov siab sab hauv.Kev xyaum tau ua pov thawj tias kev siv lub hauv paus ntsiab lus ntawm "kev ua raws cai" tau lees paub ntau dua li tsuas yog ua raws li "kev tiv thaiv" txoj kev ntawm kev sib raug zoo siab.
Kaum xya, ceramic pobzeb kua nplaum (cement) sib tov txheej txheem
Pub mis: ntxiv dej ua ntej noj
stirring: cov khoom ntxiv rau hauv dej yuav pib stirred tusyees, sawv ntsug rau 5-10min, ua kom tag nrho mature, thiab ces do rau 2-3min, nyob rau hauv kev siv.
Kaum yim, txheej waterproof rau ceramic pobzeb muab tshuaj txhuam
Cov ntaub ntawv sib txawv ntawm cov dej tsis zoo cuam tshuam rau qhov ruaj khov ntawm cov pobzeb ceramic paste.Yog hais tias cov ntaub ntawv polyurethane organic waterproof siv, lub cib yog ib qho yooj yim mus poob rau lub sij hawm lig vim hais tias ntawm cov khoom incompatibility.
Post lub sij hawm: May-25-2022