Ib qho qauv lossis screed ua nyob rau hauv lub vaj feem ntau yuav tsum tau tiv thaiv los ntawm sab nraud influences ntawm noo noo, Frost thiab tshav ntuj.
Yog li ntawd, cov lus nug tshwm sim yuav ua li cas ntxiv dag zog rau txheej txheej txheej ntawm cov khoom siv, ua kom nws ya raws, muaj zog thiab ruaj khov. Rau qhov no, siv cov cuab yeej tshwj xeeb, xws li pob zeb ironing. Cov txheej txheem no muaj ntau qhov tsim nyog thaum tsim kho.
Tom qab kev ua vaj tse tiav lawm, cov dej tuaj yeem pom sai sai ntawm qhov chaw. Qhov no yog vim lub fact tias cov khoom hnyav ntawm cov khoom no - cement, xuab zeb thiab crushed pob zeb - dab dej, tshem tawm dej. Raws li txoj cai, nyob rau hauv rooj plaub no, cov txheej saum toj kawg nkaus ua cov xuab zeb thiab tsis tshua muaj zog vim qhov txo qis ntawm cov cement. Thiab txhawm rau tiv thaiv thiab ntxiv dag zog rau nws los ntawm dej thiab lwm yam kev cuam tshuam ntawm huab cua thiab lub cev, kev siv tshuab yog siv - pob zeb ironing.
Qhov zoo ntawm cov txheej txheem no yog nyob ntawm kev ua raws li qee qhov yuav tsum tau ua thiab, qhov tseem ceeb tshaj plaws, cov txheej txheem saum toj kawg nkaus ntawm cov khoom no yuav tsum tsis pub kom qhuav. Ua ntej ironing, nws yuav tsum ntub thiab tsis txhob raug tshav ntuj ncaj qha.
Feem ntau, cov txheej txheem no yooj yim. Hauv tsev, koj tuaj yeem hlau pob zeb nrog koj tus kheej tes. Qhov tseem ceeb tshaj plaws yog tias koj yuav tsum paub seb cov txheej txheem twg muaj nyob rau kev ua tiav cov txheej txheem thiab cov khoom siv twg los siv rau qhov no.
Muaj ob txoj hauv kev los ua cov txheej txheem tiv thaiv no. Thawj qhov yog ironing ntawm pob zeb nrog cov cement sifted rau ntawm lub sieve. Qhov no yog "qhuav" txoj kev ntawm cov txheej txheem no. Kuj tseem muaj txoj hauv kev "ntub" - sifted cement, diluted nrog dej nrog ntxiv ntawm kua iav los yog sodium aluminate. Cov sib tov kuj tseem muaj lwm yam impurities thiab additives uas txhim kho cov dej tsis kam thiab txheej zog.
Hauv thawj kis, siv cov cement qhuav, koj tuaj yeem ntxiv quartz hmoov rau lub zog. Nyob rau hauv txoj kev no, ironing ntawm pob zeb ntawm kab rov tav nto yog ua. Nyob rau hauv cov ntaub ntawv no, cov cement yog poured rau hauv ib tug nplua sieve thiab evenly sprinkled mus rau lub freshly nteg pob zeb, tapping rau ntawm lub sieve. Cov txheej qhia yuav tsum nyob hauv peb millimeters.
Tom qab ntawd, nrog lub spatula lossis ib qho tshwj xeeb smoothing trowel, cov sib tov qhuav yog compacted hla tag nrho cov pob zeb saum npoo. Cov cement absorbs noo noo los ntawm qhov chaw.tshiab pob zeb thiab hloov mus rau hauv batter. Tam sim no qhov sib tov no yog smeared rau ib tug glossy nto tag nrho cov cheeb tsam ntawm kab rov tav qhob screed.
Lwm txoj kev siv rau ntawm qhov chaw uas cov cement qhuav tuaj yeem poob. Hauv qhov no, siv txoj kev "ntub". Ua li no, nws yog ib qho tsim nyog yuav tsum tau sift lub cement ua ntej rau hauv lub thawv thiab npaj cov sib tov los ntawm kev ntxiv dej thiab ntau yam ntxiv dag zog rau impurities thiab noo noo-tiv thaiv Cheebtsam.
Tom qab ntawd, nrog lub spatula, qhov sib tov no yog siv rau lub pob zeb nto nrog ib txheej ntawm tib lub thickness raws li thawj txoj kev. Koj kuj yuav tsum tau smooth nws tusyees nrog trowel.
Txoj kev ntub dej yog suav tias yog cov dej noo ntau dua thiab ruaj khov. Nws tseem tuaj yeem siv rau ntawm kab rov tav ntawm cov pob zeb tshiab. Txoj kev no yog qhov ua tau zoo tshaj plaws.
Yog ironing pob zeb ua tiav nyob rau hauv qhov chaw uas tshav ntuj ncaj qha, ces nws yog qhov zoo dua los npaj txoj haujlwm kom nws ua tiav tom qab hnub poob, yav tsaus ntuj.
