Yog tias muaj vaj hauv tsev hauv tsev lossis chav tsev, tsis txhob txhawm rau tshem cov laug cam uas tsis txaus siab rau koj. Kho cov lus tsis zoo thiab kev roughness muaj peev xwm ua tau nrog tus screed. Screed pem teb hauv ib lub tsev ntoo ua tiav thaum ntoo puag tsis yog lwj thiab muaj zog txaus. Txwv tsis pub, tag nrho screed tej zaum yuav raug puas thiab deformed tom kawg ntawm txoj haujlwm.
Yuav ua li cas ua kom ib tug ntoo pem teb screed?
Yuav kom qhov txheej txheem ua kom tiav thiab coj tau qhov kev xav tau, nws yog ib qho tsim nyog yuav tau siv cov khoom qub uas ua kom zoo heev. Screed rau ntawm cov ntoo hauv tsev feem ntau ua tiav nrog ib txheej ntawm 10 hli thiab tshawb xyuas txog 28 hnub.
Yuav kom tau qhov zoo tshaj plaws, koj yuav tsum ua raws li ntau cov cai thiab cov theem ua haujlwm. Ua ntej tshaj, npaj lub hauv paus. Lub lauj kaub los yog qis sab saum toj zoo tshaj plaws muab tshem tawm. Txhua yam kev tsis sib haum ua ntej pib ua haujlwm yuav tsum tau ironed nrog xis mas. Thaum ua kev sib haum xeeb rau hauv pem teb ntoo, nws yuav tsum hloov pauv cov laug poom nrog cov tshiab. Hauv qhov no, tag nrho cov tsho sab laug kuj tshem tawm. Nyob rau hauv lawv qhov chaw, nws yog ib qhov tsim nyog rau ntsia hlau ntau cov nplooj ntoo, uas yuav npog cov nrib pleb ntawm phab ntsa thiab hauv pem teb.
Cov kauj ruam tom ntej yuav yog priming. Qhov no yog qhov tsim nyog rau kev sib kis zoo ntawm qhov sib tov. Qhov cuab yeej ntawm lub substrate yog tsim nyog rau lub zog ntawm cov txheej txheej. Clogging lub clamps, nws yog ib qho tseem ceeb heev uas yuav tsum coj mus rau hauv tus account clogging quab yuam nyob rau hauv qhov chaw. Cov kauj ruam tom ntej no yuav tsum tau kneading thiab ncaj qha mus ntog lub screed mus rau hauv pem teb ntoo. Thov ib qho kev qhia tshwj xeeb rau kev twv kom tau. Nws yog ib qho tseem ceeb tias thaum lub caij no, kev ua hauj lwm nyob ntawm qhov chaw tsis nres kom txog thaum uas sib tw tiav tiav. Yog hais tias tsim nyog, tom qab ntawd yog tom qab hardening, qhov no saum npoo yuav ua tau hauv av. Nws tsim nyog ua 6-7 teev tom qab cov tshuaj hliv. Lub xeem yuav ntim cov pob qij txha thiab ntxuav cov cuab yeej.