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Npaj txhij rau kev kho: dab tsi maas yog ua los ntawm

Yog hais tias koj muaj tiag koom nyob rau hauv lub kho nyob rau hauv koj lub tsev los yog lub tsev thiab yuav npaj mus plaster cov phab ntsa, leveling hauv pem teb, ces koj yuav tsum los xyuas seb yuav ua li cas ua ib tug tov ntawm MAAs. Ntawm chav kawm, yog tias koj xav txog kev ntiav cov neeg ua haujlwm, ces nws tsis yog qhov yuav tsum tau txiav txim siab rau hauv cov subtleties ntawm tus txheej txheem. Tab sis yog tias koj txiav txim siab ua tag nrho cov hauj lwm qias neeg koj tus kheej, tab sis tsis txhob yog tus kws tshaj lij, ces nws yog qhov zoo uas yuav pib kawm qhov theoretical.

Rau txhua qhov chaw ua haujlwm, koj yuav tsum muaj cov cement tshiab - qhov no yog qhov tshwj xeeb uas tsis pom kev, uas thaum tawv tawv ua pob zeb zoo li. Thov cim, yog tias nws dag rau ntau tshaj ib nrab xyoo, nws tuaj yeem nqus dej noo, thiab nws yuav tsis siv nws. Thiaj li yuav ua rau kev daws rau plaster, nws yog qhov tsim nyog yuav tau paub seb dab tsi maas yog ua los ntawm. Rau nws txoj kev npaj, koj yuav tsum xub sib tov nrog cov xuab zeb. Cov proportions yuav tsuas yog nyob ntawm cov hom koj tau yuav. Yog li, rau cov cement M-200 rau txhua lub ntawm nws kilograms nws yog tsim nyog 3.5 kg ntawm xuab zeb, thiab rau M-400 nws yuav tsim nyog twb 5 kg. Los ntawm txoj kev, lub hom yuav tsum tsis yog nyob ntawm tus nqi ntawm cov tshuaj sib tov tau, tab sis kuj rau nws lub zog. Piv txwv, rau kev tsim kho ntawm ntau lub chaw ua tub rog, nrog rau lub cuaj hlau tua hluav taws los yog pob tw nkoj, siv M-600.

Nws yog ib qho tseem ceeb tsis tas yuav tsum paub txog qhov tsim nyog yuav tsum tau muab, tab sis kuj siv technology, yuav ua li cas ua kom cov cement mortar. Tom qab npaj lub thawv qhuav, ua rau lawv muaj ib txheej me me rau hauv lub khob ntim khoom. Tsuas yog ces ntxiv dej thiab meej mix tag nrho cov mus txog rau thaum ib tug homogeneous sib tov. Qhov zoo ntawm cov tshuaj yog soj ntsuam raws li nram no: nws yuav tsum lo rau pieces mus rau lub duav, uas tau cuam tshuam nrog. Yog tias nws cov dej tshab los ntawm nws los yog, ntawm qhov tsis sib xws, nws lub hnab, ces qhov no ua haujlwm tsis zoo. Nyob rau hauv rooj plaub thawj, nws muab ua kua (tawv, thaum nws tseem hu ua cov neeg tsim), thiab nyob rau hauv ob - ntom (rog).

Paub txog dab tsi mement yog ua los ntawm, koj muaj peev xwm npaj ua ntej tag nrho cov khoom tsim nyog nyob rau hauv qhov tseeb ntau. Los ntawm txoj kev, nws yog ntshaw kom paub cov proportions txawm nyob rau hauv cov mob thaum lub chaw ua hauj lwm yuav tsum tau ua los ntawm cov tsim. Qhov no yuav pab tau kom tsis txhob muaj cov nqi uas tsis tsim nyog, vim koj tuaj yeem tswj tau cov khoom noj.

Yog hais tias koj xav paub tsis tsuas yog hais txog cov cuab yeej ntawm kev sib tov rau plaster ua haujlwm, tab sis kuj hais txog dab tsi mement yog ua los ntawm, ces koj yuav txaus siab rau hauv qab no. Zus tau cov khoom siv no yog ib qho teeb meem ntawm kev noj kev haus, kev siv zog thiab kev siv nyiaj. Nws pib nrog cov khoom kim tshaj plaws - lub extraction ntawm raw cov ntaub ntawv, uas muaj xws li carbonate pob zeb: limestone, chalk thiab lwm tus. Cov ntaub ntawv raw cov extracted los ntawm lub bowels ntawm hauv av yog crushed thiab hauv av.

Hauv kauj ruam tom ntej, cov pob zeb carbonate yog sib xyaw nrog lwm tus neeg tuaj yeem ua thiab sib. Yog li ntawd, ib lub clinker yog tsim. Yog hais tias peb tseem nkag siab txog dab tsi maas yog ua los ntawm, nws ua kom meej tias nyob rau theem no nws tsim tau lub hauv paus. Cov tshuaj ntxiv yuav yog nyob ntawm seb cov khoom siv raw thiab siv cov khoom raw li cas. Nyob rau hauv txoj kev lag luam, 3 txoj kev tsim cov tshuaj cement tau tsim tau: ntub, qhuav thiab ua ke. Qhov kev xaiv thawj zaug yog siv rau qhov twg cov khoom siv yog chalk, av nplaum thiab ntau yam khoom uas muaj iron-additives. Kev sib tsoo ntawm qhov sib tov nyob rau hauv txoj kev no yuav siv qhov chaw nruab nrab ntawm cov dej nruab nrab, thiab ib qho kev ncua nrog cov txheej txheem ntawm 30% 50 yog tau ntawm qhov hluav taws xob. Nws raug rho tawm hauv qhov cub tshwj xeeb, tom qab uas nws yog hauv av rau hauv cov hmoov. Tab sis nrog ib txoj kev qhuav, lub Cheebtsam yog qhuav ua ntej sib tsoo.

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