Tshuaj khib ib nrab yog lub semi-ua tiav ntawm cov khoom nyoos ua rau cov khoom nyoos hauv lub Hoobkas los ntawm kev sib xyaw ua ke. Nws tuaj yeem siv tau tsuas yog los ntawm kev ntxiv cov dej thiab nplawm ntawm qhov chaw siv khoom. Vim muaj ntau yam ntawm cov hmoov av qhuav, nws tau siv dav. Ib qho ntawm nws cov nta loj tshaj plaws yog tias nws nyias txheej nyias ua lub luag haujlwm ntawm kev ua tsev, kho kom zoo nkauj, kev tiv thaiv thiab lub ncoo. Piv txwv li, cug lub cev nrog lub zog ua haujlwm tseem ceeb suav nrog Masonry cug, taw kab cug, taw tes ua xaim tshuab hluav taws xob, thiab lwm yam; cug cug nrog lub ntsiab nyhuv ntawm kev kho kom zoo nkauj suav nrog ntau cov plastering mortars, muab phab ntsa sab hauv, thiab cov xim cug. lwm yam .; Waterproof cug, ntau yam corrosion-resistant mortars, lub suab cug, fermal rwb thaiv tsev cug, ntaub ntawv cug, thiab lwm yam siv rau kev tiv thaiv. Yog li ntawd, nws muaj pes tsawg xyoo yog qhov nyuaj, thiab nws feem ntau muaj cov khoom siv ua kom zoo nkauj, muab tub lim, morpatsture, xim admixture, pigixture thiab lwm yam ntaub ntawv.
1. Binder
Cov ntaub ntawv ua kom zoo nkauj rau kev sib xyaw qhuav tov qoob loo, calcium casent, muaj kev kub siab, txiv qaub, silica fume thiab sib tov ntawm cov ntaub ntawv. Portland cement (feem ntau ntaus kuv) lossis Portland Dawb cement yog cov kev khi loj. Qee cov kev cai tshwj xeeb feem ntau yuav tsum tau nyob hauv cov kab cug pem teb. Tus nqi ntawm cov ntawv sau nyiaj rau 20% ~ 40% ntawm cov khoom sib xyaw qhuav.
2. Muab tub
Qhov tseem ceeb ntawm cov hmoov av qhuav: Daj xuab zeb, dolom, thiab lwm yam, thiab tom qab ntawd silied rau hauv peb hom: ntxhib, thiab zoo. Lub particle loj yog: co zawm cev 4 hli, filler 2mm-0.1mm, thiab zoo muab tub lim hauv qab 0.1mm. Rau cov khoom lag luam nrog cov me me me me me me me me me me me loj, zoo pob zeb hmoov thiab txheeb tau limestone yuav tsum tau siv ua ke. Siv lub cev hmoov av qhuav dej yuav siv tau tsis tsuas yog zuaj limestone, tab sis kuj tseem qhuav thiab tshuaj ntsuam ua kev sib sau ua ke. Yog tias xuab zeb yog qhov zoo txaus los siv rau hauv high-qib ua ke ua ke, nws yuav tsum ua kom raws li qhov yuav tsum tau ua rau kev sib xyaw qhuav. Tus yuam sij los ua cov hmoov av qhuav nrog cov khoom siv roos me me thiab qhov tseeb ntawm cov kab ntau lawm ntawm cov kab ua kom qhuav.
3. Mineral Conmixtures
Cov ntxhia enmixtures ntawm cov hmoov av qhuav feem ntau yog: kev lag luam tshauv, ya cov hmoov av, thiab lwm yam. Aluminium Hydrochloride muaj kev ua haujlwm siab thiab hydraulic hardness.
4. Admixture
Tus admixture yog qhov tseem ceeb txuas ntawm cov hmoov av qhuav, hom thiab ntau ntawm admixture thiab kev yoog raws li qhov zoo thiab kev ua tau zoo ntawm cov hmoov av qhuav. Txhawm rau nce qhov ua haujlwm thiab cohesion ntawm cov hmoov av qhuav, txhim kho cov kab cug, thiab ua kom cov tshuaj khib nyiab kom qhuav thiab ua kom tau cov nqi ntau lawm. Xws li cov roj hmab polymer hmoov nplej, walloxymethyl cellulose, hydra fiber ntau, pva fiber ntau thiab ntau tus neeg sawv cev.
Lub sijhawm Post: Feb-09-2023