Cov MAAs-xuab zeb mortar rau masonry bricks

Lub ib txwm tov rau bricklaying MAAs-xuab zeb hom yog ua los ntawm nws ob lub ntsiab Cheebtsam: xuab zeb thiab xis mas. Proportions tshuaj rau bricklaying yog feem ntau 1: 4 piv los yog 1: 6. Lub hom phiaj ntawm tej tshuaj no yog los mus tiv thaiv cov xaav nyob rau hauv pw bricks rau txhua lwm yam. Yog li ntawd, cov tshuaj rau tso bricks nyob rau hauv lub tsev Siv tsuas undergoes compressive load thiab xaav. Uas yog vim li cas qhov no zoo ntawm cov tshuaj yuag. Nyob rau hauv tej rooj plaub, xws kev daws teeb meem yuav muab ntxiv rau av nplaum los yog txiv qaub, cov ntxiv Cheebtsam cia muab ib qho kev daws ntawm plasticity thiab flowability. Nyob rau hauv tsawg zaus, yuav siv tau es tsis txhob ntawm txiv qaub ntxuav hmoov los yog xab npum. Tab sis thaum pw cib , xws li ib tug sib tov yuav ntws mus rau hauv tag nrho cov muaj slots nyob rau hauv lub cib, uas muaj ib tug tsis ntxim rau nws cov thermal insulating zog.

Ib tug tov yog npaj rau tso bricks nyob rau hauv ib tug yooj yim yam: nws yooj yim cov khoom xyaw (cement thiab xuab zeb) nyob rau hauv qhuav daim ntawv thiab nyob rau hauv ib tug tom ntej nws ua ntej yuav siv nrog dej. Nws yuav tsum tau sai li sai tau formulated me me ntawm cov tshuaj (pom zoo ntim 25-30 litres). Tab sis yog hais tias tus cib pw txheej txheem yog nqa tawm nyob rau hauv ib tug ob peb txhais tes, los yog rub ceev siv ntawm ib tug loj npaum li cas ntawm lub sij hawm koj muaj peev xwm tam sim ntawd ua kneading ib tug loj npaum li cas ntawm cov tshuaj, thiab yuav tsum tau siv thiab tus tov khoom raws li xav tau.

Tshuaj rau masonry raws li hais saum toj no, yog tsim los sau cov tsis muaj dabtsis rau tej qhov chaw ntawm ib tug neeg bricks, blocks los yog lub pob zeb tsev cov ntaub ntawv. Thiab yog li ntawd qhov zoo tshaj ntawm cov tshuaj ncaj qha influences lub solidity thiab lub dag lub zog ntawm tag nrho cov qauv thiab chaw pib lub durability ntawm nws cov lag luam.

Tshuaj rau bricklaying yog muaj li ntawm ob hom ntawm Cheebtsam yog fillers thiab binders. Nyob rau hauv lub losis tswvyim dabtsi Cheebtsam paub qhov txawv cov ntsiab cua curing, dej curing, raws li zoo raws li hydraulic. Feem ntau siv nyob rau hauv masonry thawj hom kev daws teeb meem. Nyob ntawm seb tus nqi ntawm cov binders nyob rau hauv cov tshuaj lawv muab faib ua tej yam yooj yim thiab complex. Lub brickwork yog siv feem ntau yooj yim kev daws teeb meem. Nyob rau hauv cov ntaub ntawv no, lub phau ntawv yog tog twg los maas los txiv qaub. Lub complex cov ntsiab ntawm binders yuav siv tau ib txhij, piv txwv li, MAAs-txiv qaub, txiv qaub, MAAs, av nplaum, thiab lwm yam Cov complex cov ntsiab yog siv rau cov kev clutch qhov twg nws yog tsim nyog hais tias kev daws muaj siab yas zog.

Ib tug tov rau brickwork tsis tau subdivided zog. Tus cim cim yog determined los yog nyob rau hauv lwm yam lus ib cov tshuaj uas muaj peev xwm ntawm tiv compressive loads. Ntsiab siv nyob rau hauv lub clutch, teem lub nram qab no qib: 0; 2; 4; 10; 25; 50; 75 thiab 100. Yog xav kev pab raws qib - hydro kev tsim kho thiab kev tsim kho tshwj xeeb kev daws teeb meem yuav tsum muaj ntaub ntawv tias 150 thiab 200. Qhov no cim yog yus muaj los ntawm cov yam ntxwv ntawm freshly svezheottayavshego los yog cov kua uas tsis tau txais tsis tau txaus elasticity thiab lub dag lub zog li qhov chaw kawm thiab hardening. Mus xyuas cim ua therefrom tshuaj lub voos xwmfab nrog ntug 7 cm. Thiab tom qab 28-denvnogo sij hawm solidification yog thov thereto compressive quab yuam. Qhov kub ntawm lub laboratory tej zaum yuav txawv los ntawm 15 mus rau 25 degrees Celsius kom plus. Wherein lub manufactured peb qauv tshuaj thiab ntseej no yog ua los ntawm thaum pib ntawm kneading, nyob rau hauv nruab nrab thiab nyob rau thaum xaus ntawm lub mixing.

Tsis tas li ntawd lub dag lub zog yam ntxwv ntawm mortar rau masonry yuav tsum tau muaj dej tuav thiab tsiv tsis. Cov tsis tso cai rau cov tshuaj uniformly sau tag nrho ntawm qhov chaw nyob rau hauv lub nqaws, uas nyob rau hauv lem ua rau paub yam ntxwv ntawm lub ntsiab thiab coupling ntawm bricks (pob zeb) nto.