Cov khoom siv hauv pem teb niaj hnub no yog kab tias yog ib qho ntawm cov thev naus laus zis tshaj plaws rau kev ua kom lub ntsej muag. Cov neeg ua haujlwm hauv tsev thiab cov kws tsim khoom paub ntau txoj hauv kev, ntawm lawv cov txheej txheem ua vaj tse, txhim kho ib nrab qhuav screed, nrog rau cov txheej txheem uas suav nrog kev teeb tsa hauv av.
Vim li cas thiaj xaiv ib qho screed
Raws li kev sib tw nrog cov pob zeb, nws tso cai rau koj kom ua tiav qhov chaw muaj zog uas yuav dhau los ua ntau yam kev thauj khoom yam tsis tau poob nws cov yam ntxwv zoo. Tsis tas yuav caw cov kws tshaj lij los ua haujlwm li no, vim tias cov txheej txheem tuaj yeem ua tiav ntawm nws tus kheej.
Ntog npaj ua ntej pouring qhob screed
Cov khoom siv hauv pem teb yuav tsum muaj kev npaj ua haujlwm. Yog hais tias hauv pem teb yuav muab tso rau hauv av, uas yog cuam tshuam rau hauv qab dausthaj chaw thiab cov tsev ntiag tug, tom qab ntawd ua ntej koj yuav tsum tau tshem tawm cov av, sib sib zog nqus los ntawm 500 mm. Lub 100-mm xuab zeb cushion yog poured rau hauv qab, uas yuav tsum tau compacted zoo, thiab ib tug gravel txheej yog poured rau saum.
Tom qab ntawd koj tuaj yeem nchuav pob zeb nrog ntxiv cov av nplaum ntxiv. Thaum lub hauv paus hardens, nws yuav tsum tau waterproofed nrog ib tug ntom polyethylene zaj duab xis los yog vov tsev cov ntaub ntawv, uas yuav tiv thaiv tau qhov nkag ntawm av noo los ntawm hauv qab no. Cov txheej txheej waterproofing yuav tsum mus rau phab ntsa. Yog tias tsim nyog, lwm txheej ntawm rwb thaiv tsev yog nchuav rau saum, tom qab ntawd koj tuaj yeem mus rau qhov txheej txheem ntxiv ntawm cov screed.
Kev npaj cov av hauv av hauv chav tsev
Cov cuab yeej screed hauv pem teb hauv chav tsev cuam tshuam nrog kev tshem tawm cov txheej qub ntawm qhov ntxhib saum npoo. Cov haujlwm no yog qhov tsim nyog vim tias cov ntaub ntawv qub tuaj yeem raug puas, muaj cov kab nrib pleb thiab delaminations. Tsis tas li ntawd, ib tug yuav tsum tsis txhob hnov qab txog lub siab tshaj plaws loads nyob rau hauv pem teb slabs. Piv txwv li, nyob rau hauv high-sawv vaj tse ntawm ib lub tsev qub, xws li ib tug load yog kwv yees li 400 kg ib square meter. Raws li rau lub dynamic load, nws yog sib npaug zos rau 150 kg. Qhov hnyav ntawm ib square meter ntawm qhob screed yog 100 kg, qhov no yog tseeb yog hais tias lub thickness yog 50 hli.
Yog tias koj tsis tshem cov qub screed, ces lub qab nthab qhov siab hauv chav tsev yuav tsawg dua li ua ntej. Koj tuaj yeem rhuav tshem cov txheej qub nrog lub perforator, tab sis nws yog ib qho tseem ceeb los tiv thaiv kev puas tsuaj ntawm cov pob zeb hauv pem teb. Lub hauv paus ces yuav tsum tau tshuaj xyuas. Tej zaum yuav tau kho. Yog koj npajTxhawm rau nteg ib qho kev sib koom ua ke, tom qab ntawd cov recesses uas twb muaj lawm yuav tsum tau muab ntxuav, cov kab nrib pleb yuav tsum tau kho kom dav ntawm 5 hli kom cov pob zeb ua kom nkag mus rau qhov ntawd.
Cov Lus Qhia Tus Kheej
Yog tias cov cuab yeej siv hauv pem teb tau npaj yuav ua los ntawm kev siv tshuab ntab, ces qhov tsis zoo yuav tsum tau kho. Nws tsis yog qhov tsim nyog los tawm cov voids nyob rau hauv cov txheej txheem waterproofing, vim tias condensation tuaj yeem khaws cia rau ntawd. Cov teeb meem tuaj yeem kho nrog kev kho vaj tse, pob zeb ua pob zeb lossis epoxy putty. Nyob rau hauv lub xub ntiag ntawm qhov zoo nkauj tsis xws luag, polyurethane ua npuas ncauj yog siv.
Nws yog qhov tsim nyog tshwj xeeb los kho cov fab ntawm hauv pem teb thiab phab ntsa, vim tias cov dej los ntawm cov pob zeb ua kom yooj yim nkag mus tob rau hauv qab nthab thiab ntws mus rau cov neeg nyob ze hauv qab. Qhov saum npoo yog kho nrog ib qho kev nkag mus rau primer, qhov no yuav tshem tawm cov plua plav tawm ntawm lub hauv paus thiab ua rau cov khoom nplaum ntxiv. Ntawm lwm yam, nyob rau hauv cov ntaub ntawv no, qhov sib tshooj yuav tsis nqus noo noo los ntawm kev daws. Lub primer yuav tsum tau nchuav rau saum npoo ntawm ib daim hlab thiab kis nrog ib tug menyuam. Hauv qhov chaw nyuaj mus txog, koj tuaj yeem siv txhuam.
Ntxiv cov lus qhia ntxiv
Ua ntej nchuav hauv pem teb screed hauv tsev, nws yog ib qho tsim nyog yuav tsum tau nplaum daim kab xev damper elastic raws ib puag ncig ntawm cov phab ntsa, uas yuav them rau qhov nthuav dav ntawm cov pob zeb ua vaj tse. Qhov no yuav tiv thaiv kev tawg thiab deformation ntawm cov khoom. Ntawm lwm yam, screed yuav tsis tuaj rau hauv kev sib cuag nrog cov qauv ntsug, kab thiab kev faib tawm.
Yog tias cov screed tau muab tso rau ntawm ib txheej sib cais, ces tag nrho saum npoooverlappings yuav tsum tau them nrog polyethylene zaj duab xis, lub thickness yog 0.2 hli. Cov nplooj ntawv yuav tsum tau muab tso nrog qhov sib tshooj ntawm 100 hli, thiab cov pob qij txha yuav tsum tau kaw nrog cov ntaub nplaum tsis muaj dej.
teeb tsa beacons thiab txhawb nqa
Cov cuab yeej cuab tam hauv pem teb screed nyob rau theem tom ntej suav nrog kev tso cov beacons. Raws li lawv, tus tswv yuav theem qhov chaw ntawm lub neej yav tom ntej hauv pem teb. Nws yog ib qho tseem ceeb rau markup los ntawm kev txhais cov qib xoom. Txhawm rau ua qhov no, kos ib kab kab rov tav, txiav txim siab qhov siab tshaj plaws ntawm chav tsev. Ib qho cim qhia rau ntawm phab ntsa, thiab tom qab ntawd, siv cov dej theem, nws raug xa mus rau tag nrho lwm cov phab ntsa. Qhov kev ncua deb ntawm qhov txaus ntshai yuav tsum tso cai rau koj txuas cov cim nrog ib kab. Lub thickness ntawm screed yuav tsum tau muab rho tawm los ntawm tus nqi ntawm lub siab tshaj plaws taw tes. Qhov kev ntsuas no tuaj yeem yog yam tsawg kawg 30 hli. Qhov tshwm sim tus nqi yuav dhau los ua qib xoom.
Kev kos rau beacons yog ua tiav tom qab siv qib xoom. Qhov kev ncua deb ntawm cov lus qhia thaum uas tig mus thiab cov phab ntsa ze tshaj plaws yuav tsum yog 300mm. Qhov kev ncua deb ntawm cov lus qhia uas nyob ib sab tsis tau tswj hwm, txawm li cas los xij, nws yuav tsum yog me ntsis tsawg dua li qhov ntev ntawm txoj cai rau qib kev daws teeb meem. Rau kev txhim kho, feem ntau siv cov hlau mesh ua los ntawm galvanized hlau. Nws yog ib qho tsim nyog yuav tsum tso tus ncej ntawm qee qhov deb ntawm hauv pem teb. Rau qhov no, siv cov coasters polymer.
Rough pem teb screed nyob rau theem tom ntej yuav tsum nchuav cov tshuaj. Qhov kub zoo tshaj plaws rau kev ua haujlwm yog suav tias yog nyob nruab nrab ntawm 15 txog 25 ° C. Yog tias tus nqi no qis dua, ceslub sijhawm kho ntawm pob zeb yuav nce ntxiv. Kev ua haujlwm puv yuav tsum pib los ntawm kaum sab xis ntawm chav tsev, txav mus rau qhov tawm. Filling yog pom zoo kom ua tiav thaum nruab hnub, qhov no nws yuav ua tau kom tau txais qhov ruaj khov tshaj plaws thiab cov screed.
Cov tshuaj tiav yog nteg tawm ntawm cov lus qhia thiab muab faib nrog duav lossis trowel. Nws yog ib qho tseem ceeb kom ua tiav qhov siab tshaj plaws compaction ntawm cov kev daws teeb meem thiab tso tawm cov pa npuas. Ua li no, koj tuaj yeem siv txoj kev bayonet. Txoj cai yog teem rau ntawm cov lus qhia nyob rau hauv kauj ruam tom ntej. Zigzag txav yuav tsum tau nqa tawm nyob rau hauv xws li ib txoj kev uas ib tug tiaj tus tau txais. Qhob mortar tuaj yeem ntxiv raws li xav tau. Nws tshaj qhov kawg ntawm qhov sau yog ua tib zoo tshem tawm.
Semi-dry screed technology
Raws li lwm txoj kev daws teeb meem, koj tuaj yeem siv cov screed hauv pem teb ib nrab qhuav. Rau qhov no, kev daws teeb meem yog npaj siv fiberglass. Rau 120 litres ntawm xuab zeb, koj yuav tsum npaj 50 kg ntawm cement thiab 150 g ntawm fiber. Yog hais tias koj yuav tsum ua hauj lwm nrog ib chav uas nws cheeb tsam yog 20 m22, ces cov fiber ntau yuav yog 0.54 kg.
Cov khoom xyaw yog tov rau 3 feeb, ces dej ntxiv rau lawv, cov tshuaj yog tov dua thiab muab tso rau saum npoo. Yog tias txheej txheej ntxiv ntxiv, ces 3 feem ntawm cov xuab zeb sifted yuav tsum tau rau ib feem ntawm Portland cement. Qhov sib tov tuaj yeem npaj rau ntawm qhov chaw yam tsis tas siv lub pob zeb sib tov. Dej yog maj mam ntxiv rau qhov qhuav muaj pes tsawg leeg. Cov tshuaj yuav tsum yog ib nrab qhuav.
Nws tau tawg mus rau saum npoo, thiab txheej tom ntej no yuav yog ib qho kev txhawb zog mesh, uas yog rov npog nrog ib nrab qhuav sib tov. Kev sib xyaw ua ke yog compacted, thiab kev sib dhos yog nqa tawm siv ib theem thiab txoj cai. Thaum ua pob, lawv tau nchuav nrog cov tshuaj.
kauj ruam kawg yuav yog grouting thiab sanding. Qhov no tso cai rau koj kom ua tiav smoothness. Tom qab cov screed tau hardened, cov irregularities yuav tsum khob nrog ib tug hlau spatula. Yog tias kev nyuaj siab tau tsim, ces lawv tuaj yeem sau nrog kev daws ntawm xuab zeb thiab cement hauv qhov sib piv ntawm ib mus rau ib qho. Lub hauv paus yog grouted nrog polyurethane los yog ntoo ntab. Yog hais tias ib nrab-qhuav hauv pem teb screed tau nteg siv beacons, ces lawv yuav tsum tau muab tshem tawm, thiab lawv qhov chaw yuav tsum tau wiped thiab sanded siv lub tshuab tshwj xeeb.
Screed pem teb
Tom qab khawb av los ntawm thaj chaw screed, nws yog ib qho tsim nyog los sau cov xuab zeb hauv qab. Lub thickness ntawm cov txheej no yuav tsum yog kwv yees li 10 cm. Qhov zoo ntawm compaction yuav zoo dua yog hais tias tshwj xeeb mechanisms xws li vibrocompactors los yog vibrorammers ntxiv. Hauv qhov no, cov xuab zeb yuav tsum tsim cov kab rov tav.
Pem teb screed rau hauv av nyob rau theem no yuav tsum wetting lub hauv paus, uas yuav ua rau kom cov degree ntawm shrinkage ntawm txheej. Cov dej tuaj yeem muab los ntawm cov thoob lossis cov kav dej. Tom ntej no, ib txheej ntawm crushed pob zeb yog poured, nws thickness yuav txawv ntawm 5 mus rau 10 cm. Cov txheej yog zoo rammed. Qhov no yuav ua rau kom cov kabmob ntawm lub hauv paus.
Tom qab kev sib xyaw ua ke tau npaj, uas koj tuaj yeem ua koj tus kheej. Qhov ntom ntawm qhov muaj pes tsawg leeg yuav tsum yog nruab nrab. Qhov no yuav cia cov pob zeb ua rau nws tus kheej. Ib qho zoo ntawm cov kua sib tov yog qhov tsis muaj qhov yuav tsum tau siv beacons rau leveling. Cov masters tsuas yog yuav tsum tau kho me ntsis qib hauv cov chaw uas cov khoom noj tau noj.
Cov screed pem teb nyob rau theem no muab tso rau kab sib chaws. Nws yog ib qho tsim nyog los kho cov thav duab 3 cm ntawm hauv pem teb, thiab tom qab ntawd ncuav cov tshuaj. Nws muaj peev xwm tsim tau ib daim phiaj los ntawm cov khoom siv hlau uas sib tw ua ke. Yog hais tias cov hlau muaj txoj kab uas hla ntau dua 6 hli, ces nws yog qhov zoo dua los siv vuam rau kev sib txuas. Txawm li cas los xij, qhov kev daws teeb meem zoo tshaj plaws yuav yog los yuav ib lub mesh tiav.
Xaiv cov ntaub ntawv rau screed
Kev suav hauv pem teb screed yuav tsum tau ua kom tsis txhob cuam tshuam kev ua haujlwm. Ua ib txheej 10 cm, cov cement yuav tsum tau yuav ntawm 50 kg ib square meter. Rau kev xam kom raug ntau dua ntawm cov cement thiab xuab zeb, ib qho piv txwv tshwj xeeb tuaj yeem txiav txim siab. Yog tias koj yuav tsum ua haujlwm nrog thaj tsam ntawm 60 m 2, ces tus nqi no yuav tsum tau muab faib ua 0.06 m. Qhov no yog qhov tuab ntawm screed. Vim li no thiaj yuav tau 3 m3 daws.
Kev suav hauv pem teb screed yuav zoo li no: rau 1 liter ntawm qhov sib tov koj yuav xav tau 1.4 kg ntawm cement. Qhov no qhia tau hais tias tsuas muaj 36 litres hauv ib lub hnab, thiab cov tshuaj tiav lawm yuav txaus rau 30% ntawm qhov ntim.
Zoo kawg
Ua ntej pib ua haujlwm, nws yog ib qho tseem ceeb uas yuav tau txiav txim siab seb koj puas yuav siv cov kev pabcuam ntawm cov kws tshaj lij. Yog koj txiav txim siabtxhawm rau ua haujlwm ntawm lawv tus kheej, tom qab ntawd koj yuav tsum ntsuas koj qhov kev paub thiab kev txawj ntse. Feem ntau, cov craftsmen hauv tsev siv cov pob zeb screed nteg tshuab, koj tuaj yeem ua raws li lawv cov qauv. Tab sis hauv pem teb screed nyob rau hauv ib lub tsev tshiab yog qhov zoo tshaj plaws nteg siv ib tug semi-qhuav txoj kev.
