Cov txheej uas ua haujlwm raws li lub hauv paus rau kev ua tiav hauv pem teb yog hu ua screed. Hauv pem teb screed yog tsim nyog rau leveling, muab qhov chaw ib tug tej yam rigidity, masking engineering kev sib txuas lus, txhim kho cua sov, suab thiab waterproofing cov ntaub ntawv, raws li zoo raws li lub "sov pem teb" system. Qhov zoo dua txheej txheej no, qhov ruaj khov hauv pem teb nws tus kheej yuav.
Hom kev sib txuas los ntawm txoj kev sib txuas
Raws li txoj kev sib txuas nrog hauv pem teb slab lossis nrog lub hauv paus slab, cov screed tuaj yeem txuas nrog, ntab lossis ntawm txheej sib cais. Cov ntawv sib txuas yog muab tso ncaj qha rau ntawm qhov chaw ua haujlwm, thiab tsis muaj cua sov lossis dej tsis sib haum ntawm txheej thiab hauv pem teb. Ib square meter ntawm xws li screed hnyav txog li 150 kg. Ib qho tseem ceeb feature: lub beacons tom qab pouring tseem nyob rau hauv lub cement mortar, thiab tsis raug tshem tawm.
Cov screed ntawm cov txheej sib cais yog cais los ntawm lub hauv paus los ntawm hydro lossis thermal rwb thaiv tsev thiab tsis tuaj yeem cuam tshuam nrog cov phab ntsa ntawm chav tsev. Thermal rwb thaiv tsev yog muab tso rau hauv lub screed kom txo thermalpoob. Feem ntau qhov no yog ib txheej ntawm cov pob zeb ntxhia pob zeb nrog lub thickness ntawm 30 mus rau 90 hli. Qee zaum ua npuas ncauj nrog ntawv ci yog siv. Lub thickness ntawm lub tshav kub-insulating txheej nyob ntawm tus yam ntxwv ntawm chav tsev thiab cov cua kub hom. Yog li, rau thawj pem teb ntawm ib lub tsev, 30 mm yog txaus, rau cov pem teb hauv qab daus, 90 mm yog xav tau.
Floating pem teb screed yog ib txheej cement ntawm cov ntaub ntawv insulating: cua sov, hydro lossis suab. Qhov kev daws teeb meem no yog qhov tseem ceeb tshaj plaws nyob rau hauv rooj plaub uas hauv pem teb xav tau rwb thaiv tsev los yog zoo suab rwb thaiv tsev. Plasticizers kuj tseem siv rau kev tsim cov qauv, screed nws tus kheej yuav tsum tau ntxiv dag zog. Yog tias koj npaj yuav nteg hluav taws xob hauv qab cua sov, koj yuav tsum tau nteg lub tshav kub insulator nyob rau hauv lub screed.
hom screed no tsis tshua muaj kab nrib pleb, vim cov mortar hardened tsis nruj nreem khi rau hauv paus. Raws li rau cov cuab yeej, nws yog ib qho tsim nyog yuav tsum tau cais nws los ntawm cov phab ntsa nrog rwb thaiv tsev, uas yuav tsum tsis txhob muaj kev ntxhov siab rau lub tsev tsim. Qhov no yog ib qho tseem ceeb tshwj xeeb tshaj yog thaum npaj ib qho chaw sov so, uas yog qhov tseem ceeb ntawm feem pua ntawm thermal expansion. Lub floating screed nyob rau hauv rooj plaub no txo cov cua sov los ntawm phab ntsa.
Nyob ntawm screeds los ntawm nteg method
Rau cov ntaub pua tsev sib txawv, cov screed yog ua kom ruaj, nws tus kheej-leveling lossis ib nrab qhuav. Ib qho khoom hauv pem teb screed yog cov txheej txheem ntau tshaj plaws. Ib qho kev daws teeb meem yog tsim, uas yog tom qab ntawd leveled nrog cov cuab yeej tshwj xeeb. Thaum pouring, nws yuav tsum tau borne nyob rau hauv lub siab hais tias yog dej los txog rau saum npoo, ces shrinkage yuav tseem ceeb. Thaum kawgtawg yuav tshwm.
Txoj kev classic ntawm screed yog maj mam hloov ib nrab qhuav. Cov cuab yeej ntawm xws li screed tsis xav tau kev sib txuas ntxiv, thiab txawm tias tsis yog cov kws tshaj lij yuav tiv thaiv cov txheej txheem ua haujlwm. Feem ntau cov txheej txheem ib nrab qhuav yog siv los txo cov nqi kho, vim tias koj tuaj yeem txuag tau ntau ntawm cov khoom siv hauv tsev lossis cov dej kom qhuav sai. Txhawm rau ua kom lub hauv paus ruaj khov, cov khoom sib xyaw tshwj xeeb tau ntxiv los txhim kho qhov kawg ntawm hauv pem teb.
Semi-qhuav screed muab lub tiaj tiaj tiaj, tso cai rau koj los nruab ib lub tsev sov hauv lub sijhawm luv luv, muaj kev pheej hmoo tsawg ntawm kev tawg thiab muaj peev xwm tiv taus cov khoom hnyav. Nrog cov nqi kho tsawg, koj tuaj yeem tau txais qhov zoo kawg nkaus. Hom screed hauv pem teb no tseem hu ua qhuav, vim tias qhov theem nws tus kheej tshwm sim vim yog cov khoom siv ntau thiab tso cov slabs.
Tus kheej-Leveling Floor Screed yog cov kua dej hauv pem teb feem ntau muaj. Nws yog siv rau lub hauv paus kaw thiab tsim ib qho chaw tiaj tiaj hauv qab nws qhov hnyav. Lub prefabricated screed yog ib txheej ntawm npaj-rau-ntev cov khoom uas tau sib sau los ntawm cov chipboard loj, fiberboard, plywood thiab cov ntaub ntawv zoo sib xws. Koj tuaj yeem pib npog ntsej muag rau tib hnub, vim tias tsis muaj cov txheej txheem "ntub".
hom screeds los ntawm cov khoom muaj pes tsawg leeg
Ua-nws-koj tus kheej hauv pem teb screed (duab thiab piav qhia ntawm kev ua haujlwm hauv qab no) feem ntau ua nrog cov cement-xuab zeb mortar. Cov txheej yog tsim rau yuav luag txhua hom kev ua tiav,ruaj thiab nkag siab hauv kev siv tshuab. Nyob rau hauv xws li ib tug screed, nws yog ntshaw kom nteg hydro thiab suab rwb thaiv tsev. Thaum txhim kho, nws yog ib qho tseem ceeb kom tsis txhob muaj huab cua npuas thiab tawg, vim hais tias cov no tsis yog tsuas yog kho kom zoo nkauj tsis xws luag, tab sis ib tug loj kev tsim kho tsis zoo.
Gypsum pem teb screed yuav muab qhov tsim nyog kub thiab av noo hauv chav. Gypsum yog qhov nrov heev, thiab tseem yog cov khoom siv zoo ib puag ncig (tsis zoo li cov cement). Ib qho kev lag luam screed muab rau kev thauj khoom ntau ntxiv, yog li ntawd, thaum lub sijhawm tsim khoom, cov phiaj xwm sib cais los tiv thaiv cov kab nrib pleb. Cov phaj raug kho nrog cov impregnations tshwj xeeb kom ntseeg tau cov tshuaj tiv thaiv thiab muab lub zog ntxiv. Semi-qhuav cement-xuab zeb (nrog fiber ntau) pem teb screed yog ib tug muaj pes tsawg leeg nrog ntxiv ntawm fibers los ntawm cov hlau los yog yas, uas yog tsim nyog los muab lub zog.
Feem ntau, cov yas tshwj xeeb tau ntxiv rau hauv pem teb screed tov, uas ua rau kom thermal conductivity, ua kom cov txheej txheej loj, thiab txo qhov nro ntawm cov dej. Nws yog txaus kom ntxiv 10% ntawm plasticizer los ntawm qhov hnyav ntawm cov cement ntshiab. Tab sis nws yuav tsum tau nco ntsoov tias qee cov yas yas tiv thaiv cov cement los ntawm hardening, uas txhais tau hais tias kev ua hauj lwm yuav qeeb, thiab lub zog thaum kawg yuav yog 20% tsawg dua.
Nyob ntawm couplers los ntawm lub hom phiaj
Lub screed rau nws lub hom phiaj tuaj yeem yog qib lossis qib thiab ua kom sov. Leveling yog siv los muab lub hauv paus qhov tsim nyog tsis, uas yog ib qho kev nqes hav (tej zaum yuav yog xoom),qhov siab thiab qhov sib npaug. Qhov thib ob hom screed kuj tsim cov nyhuv ntawm thermal rwb thaiv tsev ntawm chav tsev. Qhov zoo tshaj plaws hauv pem teb screed nyob rau hauv txhua rooj plaub nyob ntawm lub hom phiaj ntawm lub txheej, tus yam ntxwv ntawm chav tsev thiab lub siab nyiam ntawm cov tswv.
Yuav ua li cas screed haum rau chav
Dab tsi yuav tsum yog qhov tseeb hauv pem teb screed? Technology thiab cov khoom siv yuav tsum sib haum nrog cov yam ntxwv ntawm chav tsev. Cov txheej uas tau muab tso rau hauv nruab nrab ntawm lub hauv paus thiab cov txheej txheej tiav ua haujlwm tseem ceeb xws li muab cov thermal, hydro thiab suab rwb thaiv tsev, tsim qhov tsim nyog slopes, leveling saum npoo, ntxiv dag zog rau lub hauv paus, npog kev sib txuas lus (tso ib qho screed rau hauv pem teb sov).
Ib khi screed yog nteg nyob rau hauv rooj plaub uas nws tsis tuaj yeem nce qib hauv pem teb, txheej txheej yuav tsum yog lub teeb heev, thaj chaw loj heev, thiab lub hauv paus uas twb muaj lawm yog txawm tias. Lub screed ntawm cov txheej txheem sib cais yog qhov tseem ceeb rau kev teeb tsa hauv qab daus, qab nthab hauv qab lub ru tsev, chav dej, chav dej thiab hauv pem teb ntawm thawj cov plag tsev. Lub screed ntab yog siv nyob rau hauv cov chav uas nws tsis tuaj yeem npaj lub hauv paus zoo, yog tias cov cua sov hauv qab, hydro, suab thiab cua sov rwb thaiv tsev tau npaj, muaj kev pheej hmoo ntawm kev tawg.
Combined screed yog haum rau ntau hom chaw. Cov txheej yog ruaj thiab sov, tsis plua plav, tsis tawg, tsis ntshai ntawm ya raws, thiab muaj suab nrov zoo. Nyob rau hauv rooj plaub uas tsis tsim nyog, hauv pem teb yuav dismantled, tab sis lub dismantling ntawm cov cement pem teb screed yog ib tug heev lub sij hawm-siv thiab kim ua hauj lwm. Tab sis nws tsim nyog xav txog dab tsi los pab txhawb lub teb chawslub screed nyob rau hauv pem teb sab sauv yog heev nyuaj, vim hais tias cov paib yog tsis yooj yim rau nqa. Nws kuj yog qhov tsis tsim nyog xaiv cov qauv prefabricated rau cov chav uas muaj cov av noo siab.
Txoj kev sib tw nrov tshaj plaws
Feem ntau, hauv pem teb hauv cov tsev ntiag tug thiab cov tsev nyob hauv nroog yog qib qis tshaj plaws, nyiam thiab siv nyiaj txiag - nrog kev pab ntawm cov xuab zeb thiab cov cement. Cov txheej txheem ntawm kev teeb tsa hauv pem teb screed nrog koj tus kheej txhais tes (cov lus qhia ua ntu zus nrog daim duab hauv qab no) muaj txawm tias tsis yog tus kws tshaj lij, tab sis qhov haujlwm no siv sijhawm ntev thiab tsis nrawm. Hauv cov ntsiab lus dav dav, theem pem teb suav nrog cov kauj ruam hauv qab no:
- Npaj qhov chaw rau kev ua haujlwm, ntxuav hauv pem teb thiab (yog tias ua tau) qib.
- Nruab beacons uas phim qhov siab xav tau, uas yuav ua kom muaj kev sib luag thiab du ntawm hauv pem teb.
- Txhim kho mesh kom ntxiv dag zog rau cov qauv. Kev npaj ib lub mortar rau pem teb screed thiab pouring tshaj beacons.
- Dismantling lub beacons tom qab lub nto tau qhuav thiab ua cov seem seem. Tshem tawm cov seem ntawm qhov sib tov thiab grouting.
Npaj qhov chaw ua haujlwm
Ua ntej pib ua haujlwm tseem ceeb, lub hauv paus hauv paus yuav tsum tau coj mus rau qhov qub, yog tias tsim nyog, cov seem ntawm cov screed qub yuav tsum tau muab tshem tawm thiab ntxuav qhov chaw. Cov laug cam qub lossis parquet raug tshem tawm, hauv pem teb yog ntxuav ntawm av thiab hmoov av nrog cov tshuaj detergents. Nws yooj yim dua los siv lub tshuab nqus tsev tsim tshwj xeeb. Tag nrho cov kab nrib pleb uas twb muaj lawm nyob rau theem no yuav tsum tau kho, thiab tom qab ntawd yuav tsum tau kho qhov chaw ntxuavprimer. Yog hais tias lub screed yog ua ncaj qha rau hauv av, ces koj yuav tsum tamp lub hauv paus zoo thiab sau nyob rau hauv lub bitumen muaj pes tsawg leeg rau smoothness. Tsis quav ntsej qhov taw tes no yuav ua rau lub hauv paus sag dhau sijhawm, thiab cov kab nrib pleb yuav tshwm rau ntawm qhov chaw tiav. Yog tias qhov saum npoo tsis sib npaug, koj tuaj yeem sau cov xuab zeb lossis nthuav av nplaum.
Kawm chav nyob qhov siab
Ntawm qhov siab ntawm ib 'meter', koj yuav tsum tau teem lub qab ntug kab ntawm cov phab ntsa, los ntawm qhov uas, siv daim kab xev ntsuas, qhov kev ncua deb mus rau hauv pem teb raug tshem tawm ntawm txhua lub ntsiab lus. Koj yuav tsum nrhiav qhov siab tshaj plaws taw tes, thiab tom qab ntawd txiav txim siab ntawm lub thickness ntawm screed. Cov kab no yuav tsum tau cim ze rau hauv pem teb. Yog tias koj npaj yuav sau ib txheej ntawm cov av nplaum nthuav dav rau lub suab thiab cua sov, ces ib txoj kab ntxiv yuav tsum tau cim los ntawm cov cim, thim rov qab ob peb centimeters. Hauv qab kab no, pob zeb, nthuav av nplaum lossis xuab zeb yuav tsaug zog.
Kev teeb tsa theem beacons
Beacons tau teeb tsa, uas yog qhov zoo tshaj plaws ntxiv nrog gypsum lossis cement mortar. Tus naj npawb ntawm beacons nyob ntawm qhov ntev ntawm txoj cai uas yuav siv thaum ua haujlwm. Nyob rau hauv ib chav me me, ob daim ntawv qhia ntsia ntawm qhov deb me ntsis ntawm cov phab ntsa yuav txaus. Yog tias koj npaj yuav ua kom sov hauv pem teb, ces koj yuav tsum tau ntxiv ib txheej ntawm cov khoom siv hluav taws xob hauv qab lub beacons.
Nyob rau theem no, koj yuav tsum tau muab cov yeeb yaj kiab yas rau ntawm phab ntsa, uas yuav tiv thaiv cov dej noo. Sab saum toj ntug ntawm zaj duab xis yuav tsum nce siab saum toj kawg nkaus hauv pem teb los ntawm 15 cm, lub hauv qab ntug yuav tsum me ntsis mus rau hauv lub screed. Thaum theem saum npoo los ntawm 4 cm, nws yog qhov zoo dua los uakhi khi. Nyob rau hauv rooj plaub no, ib txheej ntawm polyethylene zaj duab xis nyob nruab nrab ntawm hauv pem teb thiab phab ntsa tsis xav tau.
Filling floor screed
Tom qab ua tiav ntawm kev npaj ua haujlwm thiab kos npe, kev daws teeb meem rau screed tab tom npaj. Cov proportions yog kwv yees li hauv qab no: ntxiv plaub lub thoob ntawm cov xuab zeb rau ib lub thoob ntawm cov cement. Koj yuav tsum xub paub koj tus kheej nrog cov lus pom zoo ntawm cov chaw tsim khoom cement, vim tias qee qhov sib tov tau npaj rau hauv qhov sib txawv kom tau txais txiaj ntsig zoo dua. Nws yog ib advisable mus pre-moisten hauv pem teb nto kom lub adhesion yog ntau txhim khu kev qha. Lub mortar nws tus kheej yuav tsum tuab txaus thiab ntws ywj siab me ntsis saum toj ntawm cov beacons, vim hais tias hauv pem teb yuav kho me ntsis thaum nws qhuav.
Ib pawg txhawb nqa yog nteg tawm ntawm lub hauv paus hauv pem teb ua ntej nchuav. Qhov no yog qhov tsim nyog yog tias cov txheej yuav raug rau cov khoom tseem ceeb yav tom ntej. Tom qab ntawd lub filling yog ua tiav. Txhawm rau tshem tawm cov npuas npuas, tom qab nchuav hauv pem teb yog compacted nrog vibrating screed. Cov lighthouses qub yog dismantled kom txog thaum qhuav tag. Thaum hauv pem teb qhuav tag, nws yuav tsis yooj yim ua. Cov seams yuav tsum tau them nrog kev daws teeb meem. Tus so ntawm qhov sib tov yog muab tshem tawm thiab lub grout yog ua. Cov txheej txheem tsis yog qhov nyuaj tshwj xeeb. Nws yog txaus kom ntub cov npoo ntawm cov screed nrog dej thiab smooth nws.
Nws yuav siv sij hawm li ob lub lis piam kom hauv pem teb kom qhuav tag. Lub sijhawm caij nyoog nyob ntawm qhov tuab ntawm txheej. Raws li nws dries, saum npoo yuav tsum tsis tu ncua moistened nrog dej kom cov kab nrib pleb tsis tsim. Tom qab ua tiav ziab, koj tuaj yeem thaum kawg so tawm me me irregularities thiabkaw qhov chaw phem nrog mortar.
Kuv yuav tsum ntiav cov kws tshaj lij
Pem teb screeding yog ib qho nyuaj thiab siv sij hawm ua haujlwm, tab sis pheej yig heev txawm rau cov neeg uas tsis muaj kev paub txog kev tsim kho. Kev tshaj lij screed yog nqa tawm siv lub tshuab pneumatic, uas sib tov cov tshuaj thiab xa mus rau cov khoom. Yog li ntawd, ib pab neeg ntawm cov neeg ua hauj lwm yuav qualitatively nteg pem teb screed nyob rau hauv Moscow los yog lwm lub nroog nyob rau hauv ib tug semi-qhuav txoj kev ntawm thaj tsam txog li 250 m2 nyob rau hauv ib hnub. Kev sib dhos tus kheej yuav siv sijhawm ntev dua.
Txoj kev xav, koj tuaj yeem txuag ntawm cov kev pabcuam ntawm cov neeg tsim thiab ua rau koj tus kheej, tshwj xeeb tshaj yog tias thaj chaw me me thiab lub hauv paus uas twb muaj lawm tsis tas yuav tsum muaj kev sib dhos. Tab sis nrog rau thaj tsam loj lossis xav tau kev ua haujlwm nyob rau sab saud ntawm cov tsev, nws yog qhov zoo dua los tig mus rau cov kws tshaj lij. Nyob rau hauv cov ntaub ntawv no, tus nqi zog thaum ua haujlwm manually thiab siv cov cuab yeej tshwj xeeb (qhov no yog ib qho mechanized pem teb screed) yog incommensurable.
