Plaster Mortar: Qhov Sib Piv Thiab Muaj Pes Tsawg Leeg, Yuav Ua Li Cas Dilute Rau Phab Ntsa Plastering Nrog Koj Tus Kheej Tes, Yuav Ua Li Cas Thiaj Zoo Nkauj Plaster Koj Tus Kheej

Cov txheej txheem:

Video: Plaster Mortar: Qhov Sib Piv Thiab Muaj Pes Tsawg Leeg, Yuav Ua Li Cas Dilute Rau Phab Ntsa Plastering Nrog Koj Tus Kheej Tes, Yuav Ua Li Cas Thiaj Zoo Nkauj Plaster Koj Tus Kheej

Video: Plaster Mortar: Qhov Sib Piv Thiab Muaj Pes Tsawg Leeg, Yuav Ua Li Cas Dilute Rau Phab Ntsa Plastering Nrog Koj Tus Kheej Tes, Yuav Ua Li Cas Thiaj Zoo Nkauj Plaster Koj Tus Kheej
Video: Indian Style Mortar Preparation for Plastering | Mortar for Plastering | Plaster Mortar Ratio 2024, Tej zaum
Plaster Mortar: Qhov Sib Piv Thiab Muaj Pes Tsawg Leeg, Yuav Ua Li Cas Dilute Rau Phab Ntsa Plastering Nrog Koj Tus Kheej Tes, Yuav Ua Li Cas Thiaj Zoo Nkauj Plaster Koj Tus Kheej
Plaster Mortar: Qhov Sib Piv Thiab Muaj Pes Tsawg Leeg, Yuav Ua Li Cas Dilute Rau Phab Ntsa Plastering Nrog Koj Tus Kheej Tes, Yuav Ua Li Cas Thiaj Zoo Nkauj Plaster Koj Tus Kheej
Anonim

Plaster yog qhov ua tiav ntawm phab ntsa thiab qab nthab, nrog rau lub ntsej muag ntawm lub tsev. Tom qab nws thov, tag nrho lwm txoj haujlwm pib. Koj tuaj yeem ua koj tus kheej lossis caw cov kws tshaj lij rau qhov no.

Cov theem ntawm kev kho no yog ib qho tseem ceeb uas cov plastering tiv thaiv qhov chaw . Tshwj xeeb tsis txhob ua siab deb kom ua tiav lub ntsej muag, vim nws yooj yim dua rau kev cuam tshuam sab nraud.

Txawm hais tias kev ua haujlwm hnyav thiab lub sijhawm qhuav ntev ntawm txheej, txheej txheej yog txheej txheem qub ntawm kev kho kom zoo nkauj sab hauv.

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Peculiarities

Nrog kev pab los ntawm plaster, koj tuaj yeem pom ntau yam kev tsim qauv daws teeb meem, ua rau saum npoo los ntawm kev ua piv txwv ntawm ntau yam textures thiab cov khoom siv. Nws tsim nyog rau txhua hom nto - los ntawm cib mus rau ntoo.

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Rau kev ua haujlwm sab hauv, plaster tau muab faib ua:

  • yam ntxwv - nws yog tus yam ntxwv sib txawv thiab muab kev nplij siab;
  • textured - sib txawv ntawm cov khoom me me, muab qhov sib txawv sib txawv, piv txwv li, pob zeb, ntoo lossis xuab zeb;
  • zoo nkauj - muab cov nyhuv ntawm tha xim, ennobles cov tsos ntawm cov nplaim;
  • pob zeb - tsim daim duab qub;
  • latex dag plaster - tiv taus cov khoom puas.
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Sab nrauv plaster kuj tseem tuaj yeem tsim qhov ntxim nyiam rau lub tsev, tab sis nws lub luag haujlwm tseem ceeb yog ntxiv dag zog rau phab ntsa thiab tiv thaiv lawv los ntawm kev puas tsuaj. Feem ntau nws tau siv hauv ob peb txheej.

Cov yam ntxwv ntawm hom kev ua tiav no tseem suav nrog kev nce hauv cov rwb thaiv tsev cua sov thiab lub suab rwb thaiv tsev, ua kom du thiab tshem tawm qhov tsis xws luag saum npoo av, dej thiab hluav taws tiv taus ntawm qhov chaw.

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Feem ntau, cov cement thiab gypsum mortars tau siv rau kev pleev xim . Lawv yog tus yam ntxwv los ntawm tus nqi qis thiab kom qhuav sai.

Txhawm rau ua kom yooj yim rau kev ua haujlwm, koj tuaj yeem siv cov chaw tshwj xeeb plastering, vim tias plastering yog txheej txheem nyuaj uas yuav tsum tau siv zog. Qhov no txuag tsis tsuas yog lub sijhawm tab sis kuj yog cov ntaub ntawv. Qhov chaw nres tsheb ua rau cov plag tsev tso cai rau koj ua cov txheej txheem loj hauv ib qho mus, uas tsis xav tau kev ua ntxiv.

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Thawj qhov yuav tsum tau muaj

Vim qhov tseeb tias plaster yog lub hauv paus rau kev ua haujlwm tom ntej, ntau txoj cai tau yuam rau nws. Qhov zoo ntawm cov tshuaj khib yog txiav txim siab los ntawm nws lub zog, yas, nplaum zoo thiab zoo ib yam.

Nws yog qhov tsim nyog yuav tsum tau them sai sai rau qhov muaj pes tsawg leeg thiab qhov sib piv ntawm cov khoom siv. Kev nthuav dav ntawm kev thov cov tshuaj plaster thiab lawv cov haujlwm nyob ntawm qhov no. Tsis tas li, qhov ntsuas tseem ceeb tshaj plaws yog dej tsis kam thiab tiv thaiv hluav taws.

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Lub zog thiab ua kom ntev ntawm txheej txheej tsis cuam tshuam tsis yog los ntawm kev sib xyaw ntawm cov tshuaj, tab sis kuj los ntawm qhov ua tau zoo ntawm kev npaj nto. Ntawm qhov chaw ua vaj tse, kev tawm thiab qhov raug kaw, ntxuav nrog txhuam tshwj xeeb. Yog tias tsim nyog, nteg cov ntxaij hlau, thiab ua ntej thov cov plaster, saum npoo yog me ntsis moistened nrog dej.

Cov phab ntsa cib kuj tseem yuav tsum tau ntxuav thiab qib . Ua ntej ua tiav cov hlau, xyuas kom tseeb tias tsis muaj xeb. Nws raug nquahu kom ua tiav cov ntoo ntoo nrog shingles lossis daim thaiv tshwj xeeb. Shingles yog cov laug cam ntoo uas ua los ntawm daim phiaj.

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Hom sib tov

Muaj hom kev daws teeb meem yooj yim thiab ua ke.

Cov tseem ceeb yog:

  • cement (feem ntau ruaj khov);
  • av nplaum (rov siv tau);
  • calcareous (nce plasticity thiab adhesion);
  • gypsum (qhuav sai).
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Yuav luag txhua lub sijhawm, rau kev npaj cov kev daws teeb meem, dej xuab zeb tau ntxiv rau cov khoom siv tseem ceeb, uas muaj qhov txiaj ntsig zoo ntawm lub zog ntawm kev ua kom tiav thiab tsis xav tau kev tu.

Cov phom sib xyaw ua ke suav nrog ntau yam khoom siv yooj yim thiab yog li txhim kho cov yam ntxwv ntawm cov plaster.

Maas plaster yog hnyav heev thiab nyuaj me ntsis los ua haujlwm nrog. Txawm hais tias qhov tsis zoo no, cov cement sib tov muab lub neej ua haujlwm ntev, lub zog thiab dej tsis kam. Maas plaster muaj cov khoom siv ntuj tsim, yog li ntawd nws suav tias yog kev nyab xeeb thiab ib puag ncig zoo.

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Lub sij hawm qhuav qhuav ntawm cov khoom yog ob qho zoo thiab qhov tsis zoo. Hauv thawj kis, nws muaj peev xwm npaj tau qhov kev daws teeb meem loj tam sim ntawd, thiab qhov thib ob nws yog qhov tsim nyog yuav tau tos ntev ntev rau cov plaster kom qhuav tag (kwv yees li 10-14 hnub) rau kev ua haujlwm tom ntej.

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Nws yog ib qho tseem ceeb los saib xyuas cov xuab zeb ntxiv rau cov tshuaj ., raws li nws tuaj yeem txo qhov nplaum ntawm qhov sib tov.

Cement-lime plaster tau hloov pauv, yog tias nws yog qhov tsim nyog kom tau txais kev sib xyaw kom ruaj khov dua. Txawm li cas los xij, qhov tseem ceeb hauv qhov no yog tsis ua rau nws ntau dhau, vim tias cov kua qaub ntau yuav ua rau muaj qhov tsis zoo - cov plaster tuaj yeem tawg. Qhov zoo tshaj plaws piv ntawm cov txiv qaub rau cov cement sib tov yog 1: 3.

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Cement-lime mortar yog siv rau kev kho kom zoo nkauj sab hauv ntawm lub tsev thiab rau kho kom zoo nkauj sab nrauv.

Lime-gypsum plaster yog siv rau ua kom tiav chav nrog cov av noo nruab nrab (tsis haum rau chav dej) nrog phab ntsa ua los ntawm pob zeb, ntoo thiab lwm yam khoom siv.

Nws yog ib qho tseem ceeb coj mus rau hauv tus account lub sijhawm uas gypsum tawv tawv heev . (li 10-15 feeb), yog li cov tshuaj tau npaj ua ntu me me. Nws tsis yog qhov tsim nyog los daws qhov kev daws teeb meem mus rau hauv cov tawv tawv tawv tawv - ntawm qhov tsis sib xws, nws yuav ua rau poob lub zog thiab ua kom khov. Nws kuj tseem pom zoo kom faib cov nplaim rau hauv ntu me me thiab muab lawv ib qho los ua ib qho.

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Cov av nplaum yog cov khoom qub tshaj plaws. Ua haujlwm nrog nws tuaj yeem siv sijhawm ntev, vim tias cov av nplaum yuav tsum tau npaj ua ntej. Hom plaster no yog siv rau chav nrog cov av qis heev. Txiv qaub (rau ntau dua yas), xis mas (txhawm rau ntxiv dag zog) lossis gypsum (kom qhuav sai) feem ntau ntxiv rau cov av nplaum sib xyaw.

Qhov sib txawv tseem ceeb ntawm cov av nplaum los ntawm lwm hom yog lub peev xwm los dilute nrog dej thaum ua kom tawv. Yog li, yog tias tau npaj cov tshuaj khib nyiab ntau dhau thiab nws khov, tom qab ntawd cov dej tuaj yeem ntxiv rau nws dua thiab siv rau qhov ua tiav tiav. Nyob rau tib lub sijhawm, qhov ua haujlwm tau zoo yuav tsis raug cuam tshuam.

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Gypsum plaster, nrog rau qhov zoo xws li lub cev hnyav, yooj yim ntawm daim ntawv thov thiab lub zog siab, muaj ib qhov tsis zoo - tsis muaj dej tsis kam. Rau lub sijhawm kho luv luv, koj tuaj yeem hloov daim ntawv qhia ntawm cov tshuaj gypsum los ntawm kev ntxiv cov pobzeb lossis PVA kua nplaum rau nws.

Hniav (terrazite) plaster feem ntau yog siv rau kev kho kom zoo nkauj ntawm lub ntsej muag, qee zaum rau txoj kev hauv tsev. Qhov muaj peev xwm ua tau ntawm cov plaster yog qhov dav heev, tab sis cov cement thiab cov xim xim yuav luag ib txwm siv. Txhawm rau kom tau txais ntau yam kev coj ua, xav tau ntxiv tshwj xeeb thiab siv cov cuab yeej tsim nyog rau kev ua tiav yog xav tau.

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Terrazzite plaster yog qhov sib txawv los ntawm qib ntawm granularity, uas nyob ntawm qhov muab faib ua feem:

  • nplua -grained - feem txog 2 hli;
  • nruab nrab-grained-2-4 hli;
  • ntxhib - 4-6 hli.
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Txhua lub plaster muaj cov muab tub lim, dej thiab phau ntawv tso rau.

Qhov sib piv ntawm cov ntsiab lus no hauv kev sib xyaw ntawm cov tshuaj kuj tseem nyob ntawm hom haujlwm:

  • txaws;
  • txheej txheej;
  • txheej txheej
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Qhov tsawg kawg ntawm phau ntawv siv rau txau, thiab ntau ntxiv rau txheej txheej. Qhov no yog qhov laj thawj rau lub zog siab ntawm cov khoom siv tiav.

Plastering tuaj yeem nqa tawm hauv txhua peb txheej, nrog rau hauv ib qho xwb. Rau txhua txoj hauv kev, xaiv tus kheej ib feem. Cov av nplaum ib txwm muaj cov khoom no tsawg dua.

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Yog tias koj xav txhim kho qee yam khoom ntawm plaster, koj tuaj yeem yuav cov khoom tshwj xeeb ntxiv. Piv txwv li, cov yas yas ua rau cov yas sib xyaw ua ke thiab muab cov txheej txheej txawm tias, tiv thaiv kom tsis txhob tawg. Lawv kuj tseem tuaj yeem txo cov dej xav tau.

Hauv lub caij txias, cov tshuaj ntxiv nrog cov khoom tiv thaiv te yuav pab ua kom tiav cov haujlwm kom lawv yuav tsis tso cai rau khov. Quartz xuab zeb nce kev tiv thaiv rau cov kua qaub, mica tiv thaiv los ntawm hluav taws xob ultraviolet. Shavings hlau tsis tshua muaj siv vim lawv cov khoom muaj zog, tab sis lawv nce lub zog ntawm txheej.

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Yog tias nws yog qhov tsim nyog txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau lub sijhawm, tom qab ntawd cov khoom tsim nyog tuaj yeem nrhiav tau yam tsis muaj teeb meem.

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Kuj tseem muaj ntau yam ntawm cov khoom siv kho kom zoo nkauj:

  • marble chips tau siv los tsim cov Venetian style;
  • pab tsiaj (cov xim muaj xim ntawm acrylic) muab cov nyhuv ntawm suede txheej;
  • siv quav ciab thiab tshuaj ntxiv yog siv los ua piv txwv pob zeb thiab lo lo ntxhuav.
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Txoj cai tseem ceeb thaum siv cov tshuaj ntxiv yog lawv cov nyiaj, uas hauv cov tshuaj yuav tsum tsis pub tshaj 10% ntawm lub ntim loj. Qee qhov tshuaj ntxiv tuaj yeem ntxiv rau kev daws teeb meem siv lub raj mis.

Qhov sib txawv ntawm plaster thiab putty zoo tib yam yog tias cov putty yog qhov ua tiav tiav thiab zais qhov tsis xws uas tau ua thaum lub sij hawm plastering.

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Yuav ua li cas ua noj?

Txhawm rau npaj cov tshuaj plaster, koj yuav tsum siv cov cuab yeej hauv qab no:

  • ntim rau cov khoom siv;
  • qhob tov khoom (tuaj yeem hloov nrog tov khoom lossis dov);
  • astringent, sib sau ua ke thiab dej;
  • lub dispenser.
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Txhawm rau npaj cov cement plaster, koj ua ntej yuav tsum tau sift cov xuab zeb thiab ntxuav nws ntawm cov khib nyiab thiab pob. Tom qab ntawd sib tov cov cement qhuav thiab xuab zeb kom huv si. Txhawm rau ua qhov no, siv pob zeb tov khoom lossis tov khoom. Sai li cov ntsiab lus dhau los ua homogeneous, koj tuaj yeem maj mam ntxiv dej, maj mam txuas ntxiv mus. Qhov ua kom tiav yuav tsum tau txais lub xeev ntawm tuab qaub cream.

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Hais txog cov ntsiab lus rog, qhov sib xyaw yog qhov txawv hauv:

  • rog (muaj zog nplaum);
  • li qub;
  • daim tawv nqaij (tsis muaj nplaum).
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Kev sib xyaw kom zoo yuav tsum raug cais los ntawm kev sib xyaw ua ke thiab cov roj ib txwm muaj.

Txhawm rau npaj cov av nplaum, nws yog qhov tsim nyog los tsau cov alumina hauv dej rau ob peb teev, thiab tom qab ntawd txhuam nws kom tsis muaj pob. Tom qab ntawd ntxiv sawdust rau av nplaum. Thaum kawg, alumina yuav tsum tuab txaus. Txhawm rau ua tiav qhov txiaj ntsig no, nws yog ib qho tsim nyog yuav tsum sib tov sib xyaw tas li thiab ntxiv me ntsis dej.

Txhawm rau tshem tawm cov pob thiab cov khib nyiab kom tiav, koj tuaj yeem so cov tshuaj nrog lub cib. Tom qab cov kauj ruam no, sifted xuab zeb ntxiv. Tab sis xws li kev sib xyaw yuav tsis muaj lub zog txaus, yog li ntawd, cov cement, txiv qaub lossis gypsum tau ntxiv rau nws.

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Txhawm rau npaj cov kua nplaum raws cov kua qaub, tsuas yog siv cov tshuaj slaked xwb. Ua ntej, cov khoom siv no tau tov nrog dej, thiab tom qab ntawd maj mam ntxiv.

Qhov qhuav ntawm cov plaster tuaj yeem txiav txim siab los ntawm kev hloov xim ntawm greyish mus rau dawb . Cov sib xyaw ua tiav hauv lub ntim tuaj yeem khaws cia txog peb hnub, tab sis nws tsis pom zoo kom ncua nws daim ntawv thov, vim tias dhau sijhawm cov tshuaj pib poob nws cov yas.

Yog tias cov kua qaub yog nrawm, tom qab ntawv yuav tsum tau ua. Rau qhov no, txiv qaub qhuav yog diluted nrog dej txias. Nws yog ib qho tseem ceeb uas yuav tsum tau siv lub ntim loj raws li kev tua hluav taws yog qhov ua phem. Yuav tsum tau tsom iav kev nyab xeeb thiab khaub ncaws. Txiv qaub nyob hauv lub xeev no yuav tsum sawv ntsug li ob lub lis piam.

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Txhawm rau tsim cov kua qaub-gypsum, nws yog qhov tsim nyog ntxiv gypsum rau hauv dej thiab sib tov kom txog thaum du. Tom qab ntawd txiv qaub ntxiv. Nws raug nquahu kom ua txhua qhov kev npaj ua sai sai, txij li cov gypsum qhuav sai.

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Cement-lime plaster tuaj yeem npaj nrog koj txhais tes hauv ob txoj hauv kev:

  • Hauv daim ntawv qhuav, cov cement thiab cov xuab zeb tau sib xyaw, tom qab ntawd koj tuaj yeem dilute lawv nrog mis nyuj ntawm txiv qaub, ua kom huv nrog siv lub cib. Tag nrho cov ntsiab lus yog sib xyaw kom huv.
  • Ua ntej, txiv qaub, xuab zeb thiab dej tau sib xyaw, thiab tsuas yog tom qab ntawd ntxiv cov cement. Tsis tas li, qhov txiaj ntsig tau sib xyaw.
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Hniav plaster tuaj yeem ua los ntawm cov ntaub ntawv sib khi, tab sis nrog rau qhov yuav tsum tau ntxiv ntawm cov tshuaj pleev xim ntxiv thiab xim xim.

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Cov zaub mov txawv rau kev npaj daws teeb meem tsis txawv ntau, tab sis cov yam ntxwv ntawm cov khoom siv tau coj los rau hauv tus account.

Txhawm rau npaj cov tshuaj koj tus kheej, koj yuav tsum ua cov hauv qab no:

  • tag nrho cov ntaub ntawv plastering qhuav yuav tsum xub muab sieved thiab ntxuav kom huv;
  • kom paub tseeb ntawm homogeneity ntawm cov sib xyaw ua ke, nws raug nquahu kom lim nws;
  • kev faib ua feem ntawm cov ntaub ntawv hauv kev sib xyaw yog tswj hwm los ntawm hom haujlwm (txau, ua kom tiav lossis ua kom tiav).
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Tam sim no, koj tuaj yeem yuav cov khoom sib xyaw ua kom qhuav uas tsuas yog yuav tsum tau diluted nrog dej. Lawv zoo vim tias lawv muaj cov kws tshaj lij thiab tshwj xeeb muaj pes tsawg leeg, muaj ntau yam tshuaj ntxiv los txhim kho lub zog thiab kev ua kom ductility.

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Ua yuam kev

Qhov zoo ntawm cov yas kawg yog nyob ntawm qhov kev npaj raug ntawm cov muaj pes tsawg leeg thiab ua raws li cov feem ntawm cov khoom siv. Kev ua yuam kev tuaj yeem ua rau tawg ntawm qhov chaw, ua rau tawv nqaij, thiab o.

Kev sib tov tsis zoo ntawm cov tshuaj ua rau tawg vim yog qhov siab ntawm cov phau ntawv lossis sau ua ke hauv ib cheeb tsam. Cov kab nrib pleb kuj tshwm sim los ntawm kev kis mus rau qis heev lossis siab kub, cov ntawv sau. Yog li ntawd, tom qab siv lub plaster, nws yog qhov zoo tshaj los kaw txhua lub qhov rais thiab qhov rooj.

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Ib txheej tshiab tuaj yeem siv tau tsuas yog tom qab yav tas los tau qhuav tag.

Muaj qhov tsis nkag siab tias yog tias koj ntxiv cov cement ntau dua, lub zog ntawm cov tshuaj khib yuav nce ntxiv. Tab sis qhov no tsis muaj tseeb. Tau kawg, kev daws teeb meem yuav denser, tab sis thaum nws qhuav, cov kab nrib pleb yuav tsim sai sai rau ntawm qhov chaw.

Nco ntsoov tias cov nplaim dej tau qhuav ua ntej thov plaster. Txwv tsis pub, txheej yuav tsis ua kom zoo thiab yuav tev tawm sai. Tab sis txawm tias qhov saum npoo qhuav yuav tsis tuav cov txheej. Nws kuj tseem tsis pom zoo kom ua cov txheej nyias nyias lossis tuab.

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Rau kev kho kom zoo dua ntawm cov sib xyaw plaster, nws tsim nyog ua kom ntseeg tau tias cov nplaim yog ntxhib txaus. Yog tias koj siv txheej txheej tuab sib txawv, tom qab ziab nws yuav pom los ntawm cov xim tsis sib xws ntawm qhov saum npoo vim qhov sib txawv ntawm lub sij hawm ziab kom qhuav.

Lub zog muaj zog cuam tshuam los ntawm tus nqi ntawm phau ntawv thiab qhov tsis muaj kev sib kis hauv cov ntaub ntawv. Tsis txhob siv gypsum plaster rau ua vaj tse, qhov no tuaj yeem ua rau puas tsuaj. Tsis tas li, nws tsis pom zoo kom siv cov kua qaub sib xyaw rau gypsum.

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Lub tswv yim

Txawm hais tias nws tsis pom zoo kom cuam tshuam rau lub sijhawm ziab khaub ncaws ntawm tus kheej, yog tias koj ua kom huab cua sib pauv tau zoo hauv chav, tom qab ntawd qhov ua rau muaj qhov tsis xws luag yuav raug txo.

Nws yog qhov zoo dua rau moisten qhov chaw ua ntej plastering lub cib .raws li cov khoom siv no muaj qhov nqus dej zoo. Ua ntej ua tiav txoj haujlwm, nws yog qhov tsim nyog kom tshem tawm txhua qhov chaw paug kom cov tshuaj khib ua kom zoo dua. Tsis txhob hnov qab txog kev npaj rau kev pleev xim rau lub ntsej muag - yog tias muaj cov kab teeb ua kom muaj zog ntxiv, lawv tau npog nrog av nplaum hauv qhov cub.

Duab
Duab

Rau kev kho kom zoo nkauj sab nrauv, nws yog qhov tsis xav tau siv cov plaster gypsum, vim nws tau deformed nyob rau hauv kev cuam tshuam los nag lossis daus. Txhawm rau kom tau txais ib qho zoo kawg nkaus txawm tias saum npoo, beacons tuaj yeem teeb tsa rau saum npoo. Txhawm rau ua qhov no, ua ntej koj yuav tsum txheeb xyuas qhov ntsug ntawm phab ntsa, thiab tom qab ntawd tsav tsheb hauv qhov qis hauv qhov chaw raug thiab ncab kab nuv ntses raws lawv. Txhawm rau zam kev so, nws yog qhov tsim nyog los rub txoj kab nruab nrab ntawm cov beacons huab.

Txhawm rau kho cov ces kaum tsis ncaj, ib txheej ntxiv ntawm plaster tau thov . Yog tias qhov tsis sib xws loj dhau, tom qab ntawd ua ntej thim tag nrho cov txheej ntawm plaster thiab rov thov dua.

Nws yog qhov zoo tshaj plaws los nqa tawm cov txheej txheej hauv lub caij nplooj ntoo hlav lossis lub caij nplooj zeeg, thaum tsis muaj lub hnub kub lossis cua daj cua dub hnyav. Cov ntsej muag tuaj yeem tiv thaiv los ntawm lub hnub nrog lub ntsej muag tiv thaiv tshwj xeeb.

Duab
Duab

Ib txheej tuab ntawm cov tshuaj khib yuav tawg, tab sis yog tias tsim nyog, rub cov hlau txhawb nqa ua ntej ua ntawv thov. Nws raug nquahu kom ua txhua txoj haujlwm teeb tsa ua ntej ua cov nplaum, thiaj li tsis ua kom puas txheej lossis cov kav dej (xov hlau). Cov ntsiab lus ntawm kev sib txuas lus tau muab tso rau hauv qhov chaw tshwj xeeb hauv cov phab ntsa thiab npog nrog plaster. Tsis txhob tso cov cua sov tso rau ze rau ntawm lub plaster, zoo li thaum ua kom sov lawv nthuav dav thiab txheej txheej tawg, thiab cov xeb me me tuaj yeem tshwm sim vim muaj peev xwm ntawm gypsum nqus dej noo.

Cov nplaim yuav tsum tsis muaj plua plav tag nrho, txwv tsis pub cov plaster yuav tsis ua raws li lawv.

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