Dab tsi yog qhov cuam tshuam ntawm txiv qaub rau kev ua haujlwm ntawm mortar?

Txiv qaub yog ib txwm muaj feem ntawm mortar thiab tau siv rau hauv kev tsim kho rau ntau pua xyoo. Nws tuaj yeem muaj ntau yam cuam tshuam loj rau kev ua haujlwm ntawm mortar, ob qho tib si ntawm kev ua haujlwm ntawm kev tsim kho thiab kev ua haujlwm ntev ntawm cov qauv masonry. Nov yog cov teebmeem ntawm txiv qaub rau kev ua haujlwm mortar:

1. Txhim Kho Kev Ua Haujlwm Zoo: Cov txiv qaub ua kom muaj peev xwm ua haujlwm ntawm mortar los ntawm kev ua kom nws cov yas ntau dua thiab yooj yim dua thaum siv. Qhov kev ua haujlwm tau zoo dua no tso cai rau cov kev pabcuam zoo dua ntawm cov masonry units, smoother pob qij txha, thiab yooj yim tso rau ntawm mortar hauv qhov chaw nruj.
2. Txo cov ntsiab lus dej: Qhov sib ntxiv ntawm cov txiv qaub rau hauv mortar tuaj yeem txo qhov kev xav tau ntawm cov dej kom tsim nyog, ua rau muaj kev sib xyaw ua ke ntau dua. Qhov no yuav pab tiv thaiv kom tsis txhob muaj ntau lub shrinkage thiab tawg thaum lub sij hawm kho, thiab txo qhov kev pheej hmoo ntawm efflorescence, uas tshwm sim thaum soluble ntsev migrate mus rau saum npoo ntawm mortar.
3. Ua kom muaj zog Bond Strength: Txiv qaub txhawb kom zoo dua adhesion ntawm mortar thiab masonry units, ua rau muaj zog thiab ruaj khov mortar pob qij txha. Qhov kev txhim kho daim ntawv cog lus no pab tiv thaiv lub zog shear thiab cov qauv txav, txhim kho tag nrho kev ruaj ntseg thiab kev ncaj ncees ntawm cov qauv masonry.
4. Txhim kho Flexibility thiab Elasticity: Txiv qaub mortar nthuav tawm ntau dua thiab elasticity piv rau cov cement-tsuas mortar. Qhov kev hloov pauv no tso cai rau lub mortar kom haum rau me me txav thiab kev sib haum xeeb hauv cov masonry yam tsis muaj kev tawg, txo qhov kev pheej hmoo ntawm kev puas tsuaj rau lub sijhawm.
5. Txhim Kho Dej Resistance: Txiv qaub mortar muaj qee qhov kev tiv thaiv dej vim nws lub peev xwm los kho nws tus kheej cov kab nrib pleb me me thiab qhov khoob ntawm lub sijhawm los ntawm carbonation. Thaum cov txiv qaub mortar tsis yog dej tsis huv, nws tuaj yeem tso dej tau zoo thiab tso cai rau cov dej noo kom evaporate, txo qhov kev pheej hmoo ntawm cov teeb meem ntawm cov dej noo xws li khov-thaw kev puas tsuaj thiab efflorescence.
6. Breathability: Txiv qaub mortar yog permeable rau dej vapor, tso cai rau noo noo nyob rau hauv lub masonry kom dim los ntawm cov mortar pob qij txha. Qhov kev ua pa no pab tswj cov dej noo hauv cov masonry, txo qhov kev pheej hmoo ntawm dampness, pwm loj hlob, thiab lwj.
7. Kev tiv thaiv rau Sulfate Attack: Txiv qaub mortar nthuav tawm zoo dua rau kev tawm tsam sulfate piv rau cov cement-based mortar, ua rau nws tsim nyog siv rau hauv ib puag ncig uas muaj cov ntsiab lus sulfate hauv av lossis dej hauv av.
8. Aesthetic Appeal: Txiv qaub mortar imparts softer, ntau natural tsos rau masonry pob qij txha, txhim khu kev pom kev pom ntawm keeb kwm thiab tsoos vaj tse. Nws tuaj yeem ua tinted lossis pigmented kom phim cov xim ntawm cov masonry units lossis ua tiav cov teebmeem tshwj xeeb.

Qhov sib ntxiv ntawm cov txiv qaub rau mortar tuaj yeem txhim kho nws cov kev ua tau zoo ntawm kev ua haujlwm, durability, thiab zoo nkauj zoo nkauj, ua rau nws yog qhov kev xaiv zoo tshaj plaws rau ntau daim ntaub ntawv siv masonry, tshwj xeeb tshaj yog nyob rau hauv cov cuab yeej cuab tam restoration thiab kev txuag tej yaam num.