Maas screed thiab nws kho, tshuaj xyuas qhov xwm txheej txheej, npaj kho qhov sib tov thiab thev naus laus zis rau kev ua haujlwm nrog ntau hom kev puas tsuaj. Maas screed yog txheej sab nrauv ntawm hauv qab. Lub sijhawm dhau los, rau ntau qhov laj thawj, nws hnav tsis tau, tab sis cov ntaub npog hauv pem teb tau muab tso rau saum tsis muab sijhawm txheeb xyuas qhov tsis xws uas tau tshwm sim. Hauv txheej txheem ntawm kev hloov nws thaum lub hauv paus raug nthuav tawm, cov teeb meem zais hauv pem teb tau pom tseeb, thiab nws tsim nyog los kho cov cement screed. Koj yuav kawm paub nws ua haujlwm li cas hauv kab lus no.
Kev tshuaj xyuas qhov xwm txheej ntawm cov cement screed
Screed hauv pem teb tau raug kev nyuaj siab heev los ntawm qhov hnyav ntawm cov plag tsev, rooj tog zaum thiab khoom siv, nrog rau kev cuam tshuam los ntawm cov khoom poob thiab taug kev los ntawm tib neeg. Yog li ntawd, kev pab lub neej ntawm kev kho pem teb kim feem ntau nyob ntawm nws qhov xwm txheej. Cov nyiaj nqis peev hauv qhov kev tshwm sim no tuaj yeem raug pov tseg yog tias tsis quav ntsej cov screed ua rau nws tus kheej xav.
Cov ntaub ntawv ntseeg tau txog qhov xwm txheej ntawm nws cov nplaim tuaj yeem tau txais tsuas yog tom qab ua kom huv hauv av los ntawm txheej txheej qub, cov khib nyiab thiab hmoov av. Txhawm rau txiav txim siab txog qib kev puas tsuaj rau lub screed, muaj cov hauv qab no cov txheej txheem:
- Cov screed yog txawm tias, tab sis muaj cov kab me me, lub network ntawm cov kab nrib pleb me me thiab tas li muaj plua plav. Txhawm rau tshem tawm qhov kev puas tsuaj, kev nqis peev ntawm cov peev txheej tseem ceeb yuav tsis xav tau, vim tias txoj haujlwm no tuaj yeem ua tiav ntawm nws tus kheej.
- Cov nplaim ntawm lub hauv paus muaj qhov tsis zoo thiab hauv qee qhov chaw tau npog nrog cov kab sib sib zog nqus hla lossis cov kab nrib pleb, tab sis lawv qhov nruab nrab qhov loj me tsis tshaj? qhov ntev ntawm phab ntsa luv ntawm chav. Cov screed zoo li no tseem tuaj yeem kho tau ntawm nws tus kheej, tab sis qhov no yuav xav tau kev sib xyaw tsev nrog qhov tshwj xeeb muaj pes tsawg leeg.
- Cov screed muaj qhov nkhaus tseem ceeb, qhia hauv ntau qhov kev nyuaj siab thiab qis qis. Txhawm rau kom zoo li qhov chaw, yuav tsum tau siv lub tshuab milling, uas ua rau muaj suab nrov ntau thiab plua plav thaum ua haujlwm. Yog li ntawd, kev kho lub hauv paus zoo li no tau pom zoo tsuas yog hauv thaj chaw tsis nyob lossis tsev neeg ntiag tug. Hauv nroog cov tsev, cov neeg nyob sib ze yuav tsis sawv qhov tsis xis nyob los ntawm kev ua haujlwm thev naus laus zis, yws lossis mus tus kheej.
- Hauv pem teb ntawm chav tsev nyob hauv lub tsev siab tau npog nrog qhov tob tob thiab qhov ntev uas sib tshuam ua ke los yog nyob ntawm kab pheeb ces kaum ntawm chav. Cov kev kho vaj tsev no nyuaj heev thiab tsuas yog ua los ntawm cov kws tshwj xeeb tom qab kawm paub qhov xwm txheej ntawm lub nra hauv pem teb thiab kev muaj peev xwm ntawm kev teeb tsa lub tsev.
Kev kho dua ntawm cov cement hauv av screed tau ua yog tias tsis ntau dua 30% ntawm nws thaj chaw puas. Hauv lwm qhov xwm txheej, nws yog qhov zoo dua los hloov nws tag nrho.
Kev npaj kho qhov sib xyaw ua ke rau cov cement screed
Niaj hnub no kev tsim kho kev lag luam muaj kev xaiv loj ntawm cov khoom sib xyaw tsim los rau kev kho dua ntawm cov cement screeds. Cov qauv no tuaj yeem muaj ntau lub hauv paus, suav nrog polyurethane thiab cov khoom siv hluavtaws. Ntau ntawm lawv tau siv los kho dua tshiab hauv tsev. Tab sis hauv cov xwm txheej ntawm chav tsev ib txwm muaj, kev siv cov khoom sib xyaw no tsis yog ib txwm muaj txiaj ntsig, muab lawv cov nqi.
Rau kev kho yooj yim ntawm lub ntsej muag hauv tsev, kev sib xyaw uas tuaj yeem ua ntawm nws tus kheej los ntawm cov khoom siv pheej yig thiab pheej yig yog qhov tsim nyog. Nws muaj PVA kua nplaum, dej, xuab zeb thiab xis mas. Txhawm rau npaj cov tshuaj kho, koj ua ntej yuav tsum tau dilute PVA kua nplaum hauv dej hauv qhov sib piv rau 1: 3, thiab tom qab ntawd ntxiv cov sib tov qhuav ntawm cov cement thiab xuab zeb 3: 1 rau qhov ua kom emulsion.
Kev sib xyaw yuav tsum tau sib xyaw ntawm qhov tsawg kawg 5 feeb siv lub laum hluav taws xob nrog cov khoom sib tov. Tom qab qhov txheej txheem xaus, nws raug nquahu kom tso lub tov khoom tam sim ntawd rau hauv cov dej uas nchuav rau hauv lub thoob thiab yaug kom zoo nrog kev ua haujlwm ntawm lub cuab yeej.
Yog tias cov kab nrib pleb hauv qhov ntxig tob, qhov kev sib xyaw no yuav tsis ua haujlwm. Txhawm rau kho nws, qhov no, koj yuav tsum yuav cov kua thixotropic tshwj xeeb rau kev ua vaj tse. Khw-yuav cov khoom sib xyaw ua tiav feem ntau yog sib xyaw nrog dej, thiab cov khoom sib xyaw hauv tsev tau sib xyaw nrog cov nplaum tshem tawm. Kev npaj sib xyaw tuaj yeem hloov nrog cov nplais nplaum.
Maas screed kho tshuab
Txhua qhov screed tsis xws luag, xws li qhov ntiav ntiav thiab tob tob, tev tawm thiab tsim cov hmoov av, potholes thiab kev nyuaj siab, raug tshem tawm hauv ntau txoj hauv kev, uas peb yuav xav txog hauv qab no. Lub sijhawm no, cov cuab yeej thiab cov ntaub ntawv hauv qab no yuav tsum tau npaj rau kev ua haujlwm: lub perforator, lub trowel thiab, raws li txoj cai, txhuam, lub lauj tshib thiab cov xim pleev xim rau, cov cement, lub hauv paus rau kev ua vaj tse thiab kho sib tov.
Tshem tawm qhov tsis xws luag
Cov no suav nrog kev tawg me me, gouges thiab chips nyob rau saum npoo ntawm cov cement screed. Qhov laj thawj rau qhov tsis xws luag no yog ua yuam kev thaum nws teeb tsa: tsis muaj cov pob qij txha nthuav dav, cov hmoov av tsis zoo rau kev nchuav lossis tsis muaj zog ntxiv ntawm lub hauv paus.
Txhawm rau kho cov cement-sand screed nrog qhov tsis xws luag, koj xub yuav tsum tau kos txhua qhov teeb meem nrog chalk, thiab tom qab ntawd txiav txhua qhov tawg thiab qis nrog rauj thiab txov ob peb millimeters tob thiab 1-2 cm dav ntawm ntug. Tom qab ntawd, koj yuav tsum tshem tawm cov khib nyiab tsim los ntawm cov nplais ntawm cov nplais nrog cov khaub ncaws, thiab los ntawm qhov tawg nrog lub tshuab nqus tsev.
Cov kab nrib pleb thiab qhov khoob yuav tsum tau kho nrog cov txheej txheem nkag mus ntau zaus kom txog thaum nws tsis nqus mus rau hauv cov pob zeb. Cov txheej txheem no yog qhov tsim nyog txhawm rau txhawm rau txhawm rau txhawm rau txhim kho lub hauv paus.
Thaum lub primer qhuav, koj tuaj yeem npaj sib tov raws li daim ntawv qhia tau piav qhia saum toj no. Qhov kev daws teeb meem yuav tsum tau ua kom tiav nrog kev txiav kev puas tsuaj ntawm lub screed tsuas yog siab dua qib dav ntawm qhov seem ntawm qhov chaw, thiab tom qab sib xyaw ua kom tawv, thaj chaw kho yuav tsum tau xuab zeb.
Tswv yim! Yog tias qhov tuab ntawm cov screed me me, nws yog qhov zoo dua los txiav qhov kev puas tsuaj rau nws qhov tob tag nrho. Hauv qhov no, cov nplaum ntawm cov nplaum rau lub hauv paus yuav zoo dua, thiab kev txhim kho ntxiv ntawm cov kab nrib pleb yuav dhau los ua tsis tau.
Sealing cov kab nrib pleb
Kev puas tsuaj rau lub screed yuav tsum raug txiav kom tob. Rau lub hom phiaj no, nws raug nquahu kom siv lub ntsej muag pom thiab lub rauj rauj, nws yuav tsis muaj txiaj ntsig los ua haujlwm nrog rauj thiab txiab.
Tom qab qhov tawg tau txiav lawm, yuav tsum tau ua ob peb txoj hauv kev hla nws, qhov kawg ntawm qhov uas yuav nthuav dav dhau qhov kab noj hniav los ntawm 5-6 cm ntawm txhua sab. Tom qab ntawd, qhov 2-3 cm sib sib zog nqus yuav tsum tau drilled ntawm ob qhov kawg ntawm txhua qhov zawj, thiab tom qab ntawd tshem cov khib nyiab thiab ntxuav cov kab tawg uas tau txiav nrog lub tshuab nqus tsev. Npaj grooves yuav tsum tau primed thiab sab laug kom qhuav.
Tam sim no koj yuav tsum npaj cov tshuaj khib zeb thiab cov cement hauv qhov sib piv ntawm 3: 1. Ua kom tawg yuav tsum tau ua tiav maj mam hauv ob peb theem. Hauv thawj ntawm lawv, siv cov kua sib xyaw, uas yuav tsum tau ntim rau hauv ib feem ntawm kab noj hniav kom tob kom nws nkag mus rau qhov chaw nkag tsis tau tshaj plaws ntawm kev khawb.
Tom qab ntawd koj yuav tsum npaj qhov kev daws teeb meem ntawm qhov nruab nrab ntom ntom thiab sau qhov tawg nrog nws yaug nrog hauv qab ntawm cov kab sib tshuam. Thaum nws tawv, nws yog qhov yuav tsum tau ua cov khoom siv los ntawm cov xaim tuab lossis txhawb nqa kom nruj qhov tawg thiab muab lawv tso rau hauv qhov nqaj kom xoob qhov xaus ntawm cov pas nrig nkag mus rau hauv qhov drilled qhov.
Tom qab ntawd, yuav tsum tau muab cov yas me me ntxiv rau cov tshuaj tov thiab sau mus rau qhov kawg ntawm kab noj hniav nrog rau cov ntawv txuas. Tom qab ntawd cov nplaim ntawm qhov chaw ntawm qhov qub tawg yuav tsum tau qib, thiab tom qab cov tshuaj tau qhuav, nws yuav tsum tau xuab zeb. Tam sim no kev kho qhov tawg ntawm cov cement screed tuaj yeem txiav txim siab tiav.
Restoration ntawm screed detachments
Tev tawm thiab txawm tias o ntawm cov screed tshwm sim thaum nws tau tso rau ntawm qhov av qias neeg thiab tsis muaj txheej hauv av. Qhov tsis xws luag tuaj yeem kuaj pom tau siv lub teeb rauj lossis ib qho khoom txhawb nqa. Txhawm rau ua qhov no, nws yog txaus kom coj mus rhaub cov nplais ntawm lub ntsej muag nrog cov cuab yeej no thiab txiav txim siab qhov chaw ntawm qhov tsis xws luag los ntawm lub suab tsis zoo ntawm qhov cuam tshuam. Thaum tus screed tev tawm, qhov khoob yuav tshwm sim los ntawm qhov ntawd, nrog rau txoj kev kuaj mob no, cov hmoov av yuav ya mus rau saum huab cua.
Kev kho qhov sib cais tuaj yeem ua tiav hauv ob txoj hauv kev. Hauv thawj kis, tag nrho thaj chaw puas yuav tsum raug txiav tawm, thiab yuav tsum tau muab lub ntsej muag tshiab tso rau hauv nws qhov chaw. Qhov thib ob, thaj chaw exfoliated tau txhaj, thaum lub sijhawm tshwj xeeb phau ntawv raws li cov epoxy lossis cov nplaum nplaum tau qhia hauv qab nws. Txoj kev thib ob yog siv zog tsawg dua thiab nrawm dua. Nws ua rau kev nkag siab siv nws yog thaj chaw muaj teeb meem thiab tsis muaj los ntawm kev tawg.
Tom qab txiav txim siab qhov chaw ntawm qhov kev tshem tawm ntawm qhov tsis txaus ntseeg, lawv yuav tsum tau hais nrog tus cim lossis chalk, tom qab ntawd siv rauj rauj lossis laum thiab teeb tsa lub laum lossis cov pob zeb ua haujlwm nrog txoj kab uas hla ntawm 16 hli hauv ib qho ntawm cov cuab yeej no. Drilling nyob rau hauv qhov chaw ntawm delamination yuav tsum tau nqa tawm rau tag nrho cov tuab ntawm screed, soj ntsuam qhov kev ncua deb ntawm lawv 0, 2-0, 3 m.
Thaum txoj haujlwm no tiav, yuav tsum tau nchuav primer rau hauv lub qhov uas tau txais. Nws yuav tsum tau ntub tag nrho cov kab noj hniav sab hauv nruab nrab ntawm lub hauv paus thiab txheej screed. Txhawm rau ua cov txheej txheem ntawm kev ua kom qhuav pob zeb nrawm dua, koj tuaj yeem siv lub tshuab ziab plaub hau.
Nws yog ib qho tseem ceeb kom txheeb xyuas cov khoom siv screed kom raug. Nws yuav tsum muaj cov dej zoo, vim tias kev kho sib xyaw yuav tsum tau muab tso rau hauv qab lub ntsej muag uas siv lub twj tso kua mis los yog lub raj mis tsim kho. Cov cement-kua nplaum sib tov yuav raug nqi tsawg dua, qhov qis-viscosity epoxy resin yog kim dua, tab sis ntseeg tau ntau dua.
Kev txhaj tshuaj los ntawm lub qhov hauv qhov screed yuav tsum tau nqa tawm maj mam, muab sijhawm rau kho qhov chaw kom puv tag nrho qhov chaw ntawm kab noj hniav. Cov txheej txheem no yuav tsum txuas ntxiv mus kom txog thaum qhov sib xyaw tshwm ntawm qhov saum npoo ntawm txhua qhov drilled qhov thiab nws qib tsis tso tseg.
Cov screed yuav tsum qhuav rau 24 teev. Tom qab ntawd, koj tuaj yeem ua haujlwm nrog nws ntxiv: priming, gluing linoleum, tso cov vuas thiab lwm yam.
Yuav ua li cas kho cov kab pheeb suab screed
Qhov kev puas tsuaj no tshwm sim los ntawm kev ua txhaum ntawm thev naus laus zis ntawm cov khoom siv screed thiab cov khoom tseem ceeb ntawm lub hauv paus. Thaum muaj cov xwm txheej zoo li no, thaum ua haujlwm hauv pem teb, voids tshwm hauv qhov screed. Lawv muaj kev phom sij ntau dua rau hauv pem teb npog dua li cov kab nrib pleb. Hauv thaj tsam ntawm potholes, hauv pem teb muaj kev poob qis thiab deforms, uas ua rau nws ua tiav kev puas tsuaj ntxiv.
Hauv qhov no, txhawm rau kho, nws yog thawj qhov yuav tsum tau txiav hla lub pothole nrog "grinder" nruab nrog lub pob zeb diamond disc, nyob ib puag ncig ntawm kev puas tsuaj rau tag nrho cov tuab ntawm cov screed. Tom qab ntawd, siv rauj rauj los yog txis thiab rauj, tshem cov pob zeb los ntawm lub qhov dej. Tom qab ntawd, kab noj hniav yuav tsum tau ntxuav ntawm cov screed seem thiab hmoov av, thiab tom qab ntawd kho nrog cov tshuaj nkag mus tob tob.
Tom qab cov primer qhuav, nws yog qhov tsim nyog los npaj kev kho sib tov thiab sau lub qhov nrog nws siv cov ntoo ntoo. Tsis tas tos kom cov dej sib tov qhuav, siv cov dav dav thiab cov lath kom qib nws mus rau hauv pem teb thiab tawm mus txog thaum kawg polymerization. Kev sib tsoo thaj chaw teeb meem yuav tsum tau ua kom lub qhov dej puv nrog qhov sib tov tsis sawv tawm tsam tom qab hauv pem teb.
Tseem ceeb! Yog tias qhov tob ntawm kev puas tsuaj ntau dua 5 cm, kho cov tshuaj khib yuav tsum tau thov maj mam ua ob peb kauj ruam.
Kho lub ntsej muag plua plav
Sij hawm dhau mus, cov cement-av hmoov av pib tshwm rau ntawm qhov screed. Qhov no tshwj xeeb tshaj yog pom nyob hauv cov chav ntawm cov plag tsev uas cov screeds ua lub tsho tshaj sab, piv txwv li, hauv qab daus, chav nres tsheb lossis lwm chav siv hluav taws xob.
Maj mam, cov hmoov av ntau ntxiv, thiab nws ua tsis yooj yim sua kom tshem tawm tam sim ntawd. Feem ntau nws yog qhov tshwm sim ntawm cov khoom siv tseem ceeb nyob rau saum npoo av thiab nws "hnub nyoog laus". Hauv lwm qhov xwm txheej, hmoov av tshwm tam sim tom qab ib hlis lossis ob xyoos tom qab pib siv lub ntsej muag tshiab. Qhov laj thawj rau qhov no yog qhov tsis zoo ntawm cov cement sib tov thiab ua txhaum txoj hauv kev siv tshuab ntawm nws txoj kev tso. Yog tias nws tsis tuaj yeem hloov txoj hlua khi, nws tuaj yeem kho tau raws li hauv qab no.
Ua ntej tshaj, koj yuav tsum ua tib zoo ntxuav nws tag nrho saum npoo nrog lub tshuab nqus tsev. Yog tias tib lub sijhawm pom cov potholes thiab kab nrib pleb, lawv yuav tsum tau kho dua siv cov thev naus laus zis saum toj no. Tom qab ntawd, lub screed yuav tsum tau xuab zeb thiab ntxuav dua ib yam nkaus. Cov av hauv av yuav tsum tau kho nrog cov tshuaj nkag mus thiab tso cai kom qhuav. Thaum kawg ntawm kev ua haujlwm, tag nrho cov screed yuav tsum tau npog hauv ob txheej nrog cov tshuaj polymer. Yog tias chav muaj cov av noo siab, yuav tsum siv cov dej tshwj xeeb emulsifiers rau lub hom phiaj no.
Muaj lwm txoj hauv kev tshem tawm cov hmoov av screed - pleev xim rau nws. Hauv qhov no, txheej yuav tsum tau hnav txaus tiv taus; raws li qhov ntsuas no, yuav tsum xaiv cov khoom tiav.
Cov txheej txheem tseem ceeb ntawm qhov tsis xws luag ntxhi yog nws txhawb nrog fiberglass thiab tom qab nchuav nrog cov tshuaj tshwj xeeb tus kheej-qib. Txhawm rau siv txoj hauv kev no, cov av hauv av yuav tsum xub muab ntxuav nrog lub tshuab nqus tsev, ua ntej thiab tso cai kom qhuav.
Tom qab ntawd, cov kua nplaum yuav tsum tau siv rau saum npoo ntawm lub ntsej muag thiab lub fiberglass yuav tsum tau sib tshooj. Thaum thawj txheej ntawm cov kua nplaum qhuav, txheej thib ob yuav tsum tau siv rau txheej txheej thiab tso cai ua kom tawv. Hauv pem teb tuaj yeem raug xuab zeb lossis nchuav hla cov ntaub fiberglass nrog qhov sib xyaw ua ke tus kheej.
Yuav ua li cas ua cov cement screed - saib cov vis dis aus:
Ib qho ua-nws-koj tus kheej ua haujlwm los kho cov cement screed pem teb tsis nyuaj tshwj xeeb thiab tsis xav tau kev paub tshaj lij. Qee cov cuab yeej rau lawv ua tiav, piv txwv li, rauj rauj, tuaj yeem xauj tau, thaum lwm tus tuaj yeem yuav rau yav tom ntej rau kev siv tus kheej. Kev kho hauv pem teb zoo yog muaj txiaj ntsig ntau dua, txij li nws tuaj yeem siv tau tsuas yog ob peb hnub, thiab kev hloov pauv ntawm cov screed yuav siv sijhawm ib hlis. Hmoov zoo nrog koj txoj haujlwm!
