Hauv kev tsim kho vaj tse thiab kev lag luam, lub hauv paus pob zeb yog ib qho nrov tshaj plaws. Nws yog qhov tsim nyog rau yuav luag txhua cov txheej txheem kho kom zoo nkauj, thiab nws tuaj yeem siv rau hauv nws daim ntawv qub yog tias tsim nyog ua tiav. Raws li kev siv thev naus laus zis, cov txiaj ntsig tseem ceeb ntawm cov txheej zoo li no tau khaws cia, ntawm cov uas nws tsim nyog qhia:
- shatter resistance;
- siab zog;
- durability.
Yuav siv tshuaj npaum twg los nchuav
Txoj ib qho screed yuav koom nrog kev siv ib qho ntawm ob peb mortars paub niaj hnub no. Qhov sib tov yuav tsum raug xaiv coj mus rau hauv tus account ntxiv hauv ob sab phlu thiab lub zog yam tsawg kawg nkaus. M-150 txheej yuav tiv taus lub zog ntawm 150 kg / cm2. Yog tias koj npaj yuav siv tus kheej-levelling compound, ces qhov yuav tsum tau muaj ntawm no tseem siab dua - los ntawm M-200.
Classic mortar, uas yog siv rau kev teeb tsa ntawm cov pob zeb zoo tib yamscreeds, nws yog suav hais tias yog ib tug cement-xuab zeb sib tov uas yuav kaw nyob rau hauv ib tug ratio ntawm 1 mus rau 3. Daim ntawv qhia no yog lub sij hawm-tested, tab sis rau kev npaj ntawm pob zeb koj yuav tsum tsis txhob siv ntxuav dej xuab zeb uas tsis tau pre-kho. Qhov chaw khov nyob rau hauv cov ntaub ntawv no yuav tsis muaj zog, tab sis dhau sij hawm nws yuav tawg thiab pib crumble. Qhov no yog vim lub fact tias cov nplej ntawm cov xuab zeb nyob rau hauv tus ntawm dej smoothen cov npoo, uas tiv thaiv kom raug adhesion.
Quarry xuab zeb zoo dua hauv qhov teeb meem no. Thaum xaiv, koj yuav tsum xyuas kom meej tias tsis muaj av nplaum nyob rau hauv nws, uas txo lub zog ntawm screed. Ib qho xwm txheej tseem ceeb rau kev ua haujlwm ntev thiab lub zog yog qhov tsim nyog ntawm cov dej. Qee cov kws tsim khoom sim ua kom txoj haujlwm yooj yim dua los ntawm kev siv cov kua ntau dhau, tau txais cov kua dej ib nrab. Ntawm cov zis, cov screed tsis muaj qhov yuav tsum tau zoo.
Cov kua dej ntau dhau yuav txo qis, thiab qhov chaw tiaj tus hauv qhov no yuav tsis xav tau. Yog tias qhov sib npaug ntawm cov cement-dej raug cuam tshuam, qhov saum npoo yuav tsis muaj kev cuam tshuam, thiab cov plag tsev thaum lub sijhawm ua haujlwm tsim cov hmoov av ntau ntxiv.
pob zeb screed thev naus laus zis tuaj yeem koom nrog kev siv cov khoom ua kom qhuav qhuav. Nws muaj kev ua tau zoo thiab durability. Tsis tas yuav siv cov khoom hnyav hnyav lossis cov tshuab muaj zog rau kev sib xyaw. Ib tug tov khoom los yog ib tug haib fais laum yuav txaus. Yuav tsum tsis muaj teeb meem nrog kev noj cov khoom xyaw qhuav, vim tias txhua yam twb tau muab los ntawm cov chaw tsim khoom. Ntau cov mortars yog sib dua, uas txo cov load rau hauv pem teb thiab ua rau nws yooj yim rau nqa cov khoom mus raupem teb.
kev npaj nto
Ua ntej koj ua ib qho kev ua vaj tse, koj yuav tsum npaj qhov chaw. Yog hais tias lub hauv pem teb yog nteg nyob rau hauv pem teb, ces kev ua hauj lwm yog nqa tawm nyob rau hauv ib tug tej yam theem. Cov av yog xaiv rau qhov tob ntawm 500 mm. Ib lub hauv ncoo ntawm xuab zeb 100 mm tuab yog nchuav rau hauv qab.
Kev npaj yog compacted, thiab ib txheej gravel yog nchuav rau saum. Tom ntej no, koj tuaj yeem ncuav pob zeb nrog qhov sib ntxiv ntawm cov av nplaum nthuav dav. Lub thickness ntawm no txheej yog 200 hli. Nws yog qhov tsim nyog rau kev rwb thaiv tsev saum npoo.
Tom qab lub hauv paus tau hardened, nws yog waterproofed nrog polyethylene los yog ru tsev ntaub los tiv thaiv kev nkag mus ntawm av noo. Cov khoom siv dej tsis zoo yog muab tso rau ntawm qhov qis ntawm phab ntsa, thiab qhov siab yuav tsum me ntsis tshaj qhov tuab ntawm cov phiaj xwm screed. Yog tias tsim nyog, lwm txheej ntawm rwb thaiv tsev yog nchuav rau saum, tom qab ntawd koj tuaj yeem pib nchuav cov txheej txheem tiav tiav.
Yog tias ua haujlwm hauv chav tsev, ces qhov qub screed raug tshem tawm. Nws tsis tau lees tias kev ncaj ncees, dhau sijhawm nws yuav pib tawg thiab tev tawm, thiab deformations yuav raug xa mus rau txheej txheej. Cov theem no kuj tseem ceeb heev vim tias muaj cov khoom tso cai rau hauv pem teb slabs. Nyob rau hauv serial high-rise vaj tse, qhov tso cai load yog 400 kg ib square meter.
Lwm yam uas nyiam qhov yuav tsum tau tshem tawm cov khoom qub ntawm screed yog qhov siab ntawm lub qab nthab hauv cov tsev, uas tsis yog ib qho tseem ceeb. Koj tuaj yeem tshem tawm pob zeb nrog lub perforator, tab sis tsis muaj txoj hauv kev los tiv thaiv kev puas tsuaj los yog kev puas tsuaj rau hauv pem teb slabtxwv tsis pub. Cov khoom pov tseg ntawm kev tsim kho raug tshem tawm, thiab tom qab ntawd qhov chaw raug ntxuav thiab desusted.
Kho qhov ntxhib
Kev teeb tsa ntawm lub pob zeb screed ntawm theem tom qab tshem tawm cov pob zeb ua haujlwm muab kev kho ua haujlwm. Yog tias cov screed khi, ces cov recesses uas twb muaj lawm raug ntxuav tawm, thiab cov kab nrib pleb thiab cov kab nrib pleb tau muab faib ua qhov dav ntawm 5 hli kom cov pob zeb pob zeb tuaj yeem nkag mus rau ntawd.
Thaum lub screed ntab yog npaj, tag nrho cov flaws raug kho. Yuav tsum tsis muaj voids nyob rau hauv lub waterproofing txheej, vim hais tias condensate yuav accumulate nyob rau hauv. Cov cheeb tsam no yuav dhau los ua thaj chaw muaj av noo siab. Cov teeb meem tuaj yeem kho nrog kev kho vaj tse, pob zeb ua pob zeb lossis epoxy putty. Mounting ua npuas ncauj yog tsim rau qhov tsis xws luag.
Cov ces kaum ntawm hauv pem teb thiab phab ntsa yuav tsum tau kho. Thaum nchuav cov screed, dej los ntawm cov tshuaj yuav xaus rau hauv qab nthab los yog xau mus rau cov neeg nyob ze los ntawm hauv qab no. Ua ntej lub pob zeb hauv pem teb screed yog poured, hauv pem teb saum npoo yog primed nrog ib tug nkag mus rau compound. Qhov kev ntsuas no tso cai rau koj tshem tawm cov plua plav tawm ntawm qhov chaw thiab txhim kho adhesion rau cov pob zeb. Lub overlay yuav tsis nquag nqus dej los ntawm mortar.
Cov av yog nchuav rau saum npoo thiab sib npaug nrog cov menyuam. Hauv qhov chaw nyuaj mus txog, nws yog qhov zoo dua los siv txhuam. Raws li ib puag ncig ntawm cov phab ntsa, nws yog ib qho tsim nyog yuav tsum tau lo ib daim kab xev elastic damper, uas yuav ua raws li kev txhawb nqa rau kev nthuav dav hauv screed thiab tiv thaiv cov khoom los ntawm deforming lossis tawg. Yog hais tias lub screed yuav nyob rau ntawm qhov sib cais txheej, ceslub qab nthab yuav tsum tau them nrog yas qhwv. Lub sawb yog pw nrog ib qho sib tshooj ntawm 100 mm. Cov pob qij txha yuav tsum tau nplaum nrog cov ntaub nplaum tsis muaj dej.
Zaj yeeb yaj kiab tshwj xeeb yog muab tso rau hauv cov ces kaum kom tsis txhob muaj kab nrib pleb thiab jams. Tej zaum yuav muaj lub hnab ntim cua. Cov npoo ntawm zaj duab xis yuav tsum yog 10 hli siab tshaj qhov khi.
Kev teeb tsa beacons, kev txhawb nqa thiab kev txiav txim siab ntawm qib xoom
Yuav kom lub screed mus rau kab rov tav, nws yog ib qho tsim nyog los tsim ib qho system ntawm beacons. Yog tias qhov chaw ua liaj ua teb muaj qib laser, ces koj tuaj yeem txiav txim siab qib xoom hauv pem teb. Muaj kab txaij kab rov tav ntawm phab ntsa. Rau qhov no, nws yog qhov yooj yim tshaj plaws los siv lub tsheb ciav hlau. Cov kauj ruam ntawm cov lus qhia thiab cov phab ntsa yuav tsum yog 300 hli. Yog tias koj ua qhov kev ncua deb ntev dua, ces thaj chaw tsis zoo lossis tsis ua haujlwm yuav ua raws li phab ntsa.
Qhov kev ncua deb ntawm cov lus qhia uas nyob ib sab tsis tau tswj hwm. Tsis ntev tas los no, cov khoom siv improvised xws li cov kav dej lossis cov ntoo thaiv tau siv los ua cov lus qhia. Niaj hnub no hlau profiles ua raws li lighthouses. Tus kheej tapping ntsia hlau tuaj yeem siv los ua fasteners.
Nyob rau theem tom ntej, koj tuaj yeem pib tsim cov pob zeb ua pob zeb. Txhawm rau ua qhov no, kev daws teeb meem yog nteg tawm ntawm cov lus qhia saum toj kawg nkaus ntawm qib xoom. Thaum nws pib teeb, koj tuaj yeem pib tsim lub dav hlau. Cov txheej txheem siv txoj cai los ntawm lub hauv paus yog smoothed rau cov kaus mom.
Kev siv lub zog txhawb zog tuaj yeem dhau lospab ntsuas, tshwj xeeb tshaj yog rau tuab screeds. Rau qhov no, ib tug hlau mesh ua los ntawm galvanized steel hlau yog muas. Qhov loj mesh tuaj yeem sib txawv ntawm 50 mus rau 100 mm. Txawm li cas los xij, ntau tus neeg ua yuam kev thaum tso qhov kev txhawb nqa, tso cov tuav ntawm cov txheej txheem dej.
Yuav kom lub tawb nqa khoom ua haujlwm tau zoo, nws yuav tsum tau muab tso rau hauv qhov tuab ntawm cov tshuaj. Rau qhov no, polymer coasters yog yuav. Koj tuaj yeem ua cov kev txhawb nqa hlau los yog tsa lub mesh los ntawm kev tso rau ntawm ib txheej ntawm cov vuas tawg los yog cov khoom tawg hauv cov pob zeb ua pob zeb. Kev siv cov ntaub ntoo yuav tsum zam.
Screed insulation
Rwb thaiv tsev ntawm pob zeb hauv pem teb screed tuaj yeem nqa nrog cov ntaub ntawv slab. Kev sib txuas lus yog nteg ua ntej lub installation ntawm thermal rwb thaiv tsev. Nyob rau hauv lub rwb thaiv tsev, nws yog ib qhov tsim nyog los txiav grooves rau cov kav dej thiab cov xov hlau. Lub rwb thaiv tsev yuav tsum nyob ib sab ntawm daim kab xev damper glued nyob ib ncig ntawm lub perimeter. Cov phiaj yog mounted nyob rau hauv ib tug checkerboard qauv, qhov no yuav tshem tawm qhov kub thiab txias txoj kev.
Nyob zoo ib tsoom niam txiv kwv tij neej tsa sawv daws.
Txheej tom ntej no yuav ua kom tsis muaj dej, uas yog muab tso rau hauv ib qho sib tshooj. Cov nplooj ntawv yog fastened ua ke nrog kev tsim daim kab xev. Yog hais tias koj npaj yuav siv cov ntxhia wool ua lub rhaub, ces lwm txheej ntawm waterproofing yog pw hauv qab no kom tsis txhob ya raws los ntawm nkag mus rau hauv qab. Tsis tas yuav tsum muaj txheej txheej zaj duab xis ntxiv yog tias lub rwb thaiv tsev yog ua los ntawm cov yas los yog polystyrene.
pob zebpem teb screed yuav muaj ob peb txheej. Ib tug reinforcing mesh yog nyob rau sab saum toj ntawm waterproofing, nws yog nteg nrog ib tug sib tshooj thiab cov ntsiab yog txuas nrog hlau. Tom ntej no, beacons los ntawm txhuas fab raug nthuav tawm, thiab cov slats yuav ua haujlwm ua haujlwm. Cov kauj ruam tom ntej yuav yog qhov kev npaj ntawm cov tshuaj screed, cov khoom uas yog:
- sand;
- cement;
- dej.
Screed thickness xaiv
Lub thickness ntawm cov pob zeb screed yuav txawv nyob ntawm seb muaj pes tsawg leeg. Thaum lub hauv paus yog reinforced pob zeb, lub thickness yuav sib npaug zos rau 2 cm. Yog hais tias tsis muaj lub reinforcing ntsiab, ces qhov tsawg kawg nkaus thickness yog 4 cm, qhov siab tshaj plaws tsis yog tswj. Tab sis nws tsis muaj txiaj ntsig los sau rau qhov siab tshaj 17 cm. Cov qauv ntawm hom no tsuas yog tsim thaum tsim nyog, vim tias tus nqi ntawm cov ntaub ntawv thiab lub sijhawm yuav loj heev.
In xaus
Qhob screed yuav tuab dua yog tias cov khoom hnyav siv rau nws thaum ua haujlwm. Qhov piv txwv yooj yim tshaj plaws ntawm xws li chav tsev yog chav nres tsheb, qhov hnyav ntawm lub tsheb thiab qhov cuam tshuam rau hauv pem teb thaum txav mus los yog qhov loj. Nyob rau tib lub sijhawm, 15-cm pem teb yog qhov ncaj ncees. Lub pob zeb screed tuaj yeem yog ib feem ntawm cov qauv txhawb nqa, thaum nws tseem yuav tsum siab txaus.
