Thaum txhim kho cov tsev rau ntau lub hom phiaj, nws yog ib qho tsim nyog los xaiv ib lub pob zeb uas tsim nyog. Txwv tsis pub, tus qauv yuav tsuas vau nyob rau hauv nws tus kheej qhov hnyav. Tam sim no, ntau yam ntawm
ntau yam ntawm cov pob zeb uas npaj txhij uas tsuas yog sau nrog dej thiab npaj siv. Koj tseem tuaj yeem yuav cov khoom xyaw thiab ua rau koj tus kheej masonry mix.
Cov ntsiab cai yooj yim rau xaiv ib lub mortar rau masonry
Thaum xaiv, koj yuav tsum tau coj los ntawm lub hom phiaj thiab qhov ntev ntawm lub tsev. Masonry cement mortar yog suav tias yog qhov txhim khu kev qha tshaj plaws; nws tuaj yeem siv rau cov tsev nrog cov khoom hnyav. Nws tseem tuaj yeem ntxiv cov impurities ntxiv uas ua rau kom cov elasticity ntawm qhov sib tov. Tseem muaj cov nplaum nplaum uas ua rau nws lub zog.
Rau ib-zaj tsev, tag nrho cov pawg uas me me, siv cov cement-lime masonry mortar. Cov mortar no muaj cov thermal conductivity.
Tseem muaj cov xim daws teeb meem uas muaj cov khoom zoo sib xws, txawm li cas los xij, rau kev kho kom zoo nkauj, lawv ntxivxim pigment.
Rau lub tsev cladding thiab lwm yam facade ua haujlwm, siv cov nplaum nplaum. Nws yog qhov zoo dua los yuav ib qho zoo sib xws masonry mortar npaj ua. Cov kev sib xyaw hauv tsev no yuav tsum muaj kev tiv thaiv siab rau Frost thiab muaj peev xwm tiv taus cov teebmeem ntawm dej.
Cov cim tseem ceeb ntawm qhov zoo ntawm cov mortar yog: compressive zog, uas yog qhia nyob rau hauv lub ntim los ntawm tsab ntawv M, dej tsis kam, uas yog qhia los ntawm tsab ntawv D. Thermal conductivity thiab plasticity kuj tseem ceeb yam ntxwv rau lub tsev sib tov, vim qhov no ua kom yooj yim thiab ceev ntawm kev ua hauj lwm nrog nws. Tsis txhob siv cov mortar hnyav hauv cov qauv uas tsis tas yuav tsum tau, nws tsuas yog tsim nyog rau lub hauv paus ntawm lub tsev.
Tsis txhob skimp ntawm cov khoom xyaw ntawm cov khoom xyaw vim lawv yog lub hauv paus ntawm koj lub tsev.
Yuav ua li cas rau koj tus kheej masonry mortar
Txhawm rau npaj cov cement mortar feem ntau, koj yuav tsum sib tov peb yam: cement, xuab zeb thiab dej. Txhawm rau kom tau txais cov khoom sib tov zoo, koj yuav tsum sib tov lawv hauv qhov sib piv ntawm 1: 3: 1-1, 5. Qhov ntsuas tom kawg yog nyob ntawm cov dej noo ntawm cov xuab zeb. Nws muaj peev xwm knead lub masonry mortar nyob rau hauv me me ntim nrog ib tug shovel, txawm li cas los, ib tug loj npaum li cas yuav tsum tau npaj tsuas yog nrog kev pab los ntawm ib tug pob zeb tov khoom. Thaum kneading, koj yuav tsum tau ntxiv cov khoom xyaw maj mam nyob rau hauv qhov chaw, qhov no yuav xyuas kom meej lub uniformity ntawm muaj pes tsawg leeg.
Nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias cov tshuaj tsis tuaj yeem khaws nws cov khoom tau ntev, yog li koj yuav tsum tau knead li cov nyiaj uas tuaj yeem faib rau hauv ib teev thiab ib nrab. Yog xav paub ntxivua hauj lwm mus sij hawm ntev nrog cov sib tov tuaj yeem ntxiv rau cov khoom xyaw uas muab elasticity.
Cov tshuaj khib no tsim nyog rau kev tso txhua yam khoom siv hauv tsev (cib, aerated qhob, cinder block, thiab lwm yam). Hauv qhov no, nws cov txheej tuaj yeem yog los ntawm 6 mus rau 40 mm. Daim duab meej nyob ntawm hom khoom xaiv.
