Video: Koj puas tuaj yeem rov taw qhia cov txiv qaub mortar nrog cement?
2024 Tus sau: Stanley Ellington | [email protected]. Kawg hloov kho: 2023-12-16 00:17
Siv a cement raws mortar rau repointing txiv qaub kev sib koom ua ke brickwork yog unbelievably ruam. Yog cement yog siv cov dej tsis tuaj yeem tawm ntawm cov pob qij txha thiab tag nrho cov phab ntsa yuav ua damp ob sab hauv thiab sab nraud.
Ntawm no, kuv puas yuav tsum siv txiv qaub mortar rau taw?
Txiv qaub tshuaj muaj zoo waterproofing Kuj cov dej nyob rau hauv lub mortar yuav raug rau khov. Tag nrho cov no yuav txhais tau tias koj mortar , dhau sij hawm, yuav crumble. Txiv qaub tshuaj txo cov dej no kom tsawg thiab txo cov kev pheej hmoo ntawm crumbling. Yog li koj tus tshiab txiv qaub taw yuav kav ntev dua los ntawm cov teebmeem ntawm cov dej noo.
Tsis tas li ntawd, koj puas tuaj yeem siv cov cement rau taw? Ib qho zoo sib tov rau a cement -raws li taw tes mortar yuav ua ib ib feem cement ntxiv ib ib feem txiv qaub rau rau qhov chaw mos xuab zeb. Ntxiv hydrated txiv qaub rau dej mus rau creamy sib xws thiab tom qab ntawd siv ntse, tsis yog mos, xuab zeb tau ua ib tug txiv qaub tiag mortar , haum rau softer thiab laus brickwork.
Yog li ntawd, yog limemortar zoo dua li cov cement?
Thaum twg txiv qaub mortar yog siv, lub txiv qaub yog lub weaker element, thiab cov mortar tawg nyob rau hauv nyiam rau masonry. Qhov no ua rau muaj kev puas tsuaj tsawg dua, thiab nws yooj yim los kho. Txiv qaub tshuaj yog porous tshaj li cov cement mortars , thiab nws wicks tej dampness nyob rau hauv phab ntsa mus rau qhov chaw uas nws evaporates.
Dab tsi yog qhov sib tov rau txiv qaub mortar taw tes?
Qee qhov rov taw qhia NHL mortar sib tov
| Hom sib koom | Joint loj | Ratio Lime: Xuab zeb |
|---|---|---|
| 10-20 hli | 1: 2 1: 2.5 1: 2.5 lossis 3 | |
| Tsawg porosity masonry | 5-10 hli | 1: 2.5 1: 2.5 lossis 3 |
| 10-20 hli | 1: 21: 2.5 lossis 3 | |
| Pem teb vuas los yog pob zeb slabs | 1-5 hli | 1: 2 1: 2 lossis 2.5 |
Pom zoo:
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