Cov khoom tseem ceeb ntawm cov hmoov qhuav mortar

Cov hmoov qhuav yog cov hmoov qhuav uas ua tiav lawm los ntawm cov khoom siv raw hauv lub Hoobkas los ntawm kev sib xyaw ua ke thiab sib xyaw ua ke. Nws tsuas yog siv tau los ntawm kev ntxiv dej thiab do ntawm qhov chaw tsim kho. Vim muaj ntau hom hmoov qhuav, nws thiaj li siv dav. Ib qho ntawm nws cov yam ntxwv loj tshaj plaws yog tias nws cov txheej nyias nyias ua lub luag haujlwm ntawm kev sib txuas, kev kho kom zoo nkauj, kev tiv thaiv thiab kev txhawb nqa. Piv txwv li, cov hmoov qhuav uas muaj lub luag haujlwm tseem ceeb feem ntau suav nrog cov hmoov masonry, cov hmoov rau phab ntsa thiab pem teb vuas, cov hmoov taw qhia, cov hmoov anchoring, thiab lwm yam; cov hmoov qhuav uas muaj lub luag haujlwm tseem ceeb ntawm kev kho kom zoo nkauj feem ntau suav nrog ntau yam hmoov plastering, putty rau sab hauv thiab sab nraud phab ntsa, thiab cov hmoov kho kom zoo nkauj xim. thiab lwm yam; cov hmoov tsis muaj dej, ntau yam hmoov tiv taus corrosion, hmoov av tus kheej leveling, hmoov hnav-resistant, hmoov rwb thaiv tsev thermal, hmoov nqus suab, hmoov kho, hmoov tiv taus pwm, hmoov tiv thaiv, thiab lwm yam yog siv rau kev tiv thaiv. Yog li ntawd, nws cov khoom sib xyaw ua ke yog qhov nyuaj heev, thiab nws feem ntau yog tsim los ntawm cov khoom siv cementing, filler, mineral admixture, pigment, admixture thiab lwm yam khoom siv.

1. Cov Ntawv Txuas
Cov khoom siv cementing feem ntau siv rau cov mortar sib xyaw qhuav yog: Portland cement, ordinary Portland cement, high alumina cement, calcium silicate cement, natural gypsum, lime, silica fume thiab cov khoom sib xyaw ntawm cov khoom no. Portland cement (feem ntau yog Hom I) lossis Portland white cement yog cov khoom sib txuas tseem ceeb. Qee cov cement tshwj xeeb feem ntau xav tau rau hauv cov mortar hauv pem teb. Qhov ntau ntawm cov khoom sib txuas suav txog 20% ​​~ 40% ntawm qhov zoo ntawm cov khoom sib xyaw qhuav.

2. Cov khoom sau
Cov khoom siv tseem ceeb ntawm cov hmoov qhuav yog: xuab zeb daj, xuab zeb quartz, limestone, dolomite, nthuav dav perlite, thiab lwm yam. Cov khoom siv no raug tsoo, ziab, thiab tom qab ntawd lim ua peb hom: ntxhib, nruab nrab, thiab zoo. Qhov loj me ntawm cov khoom yog: cov khoom siv ntxhib 4mm-2mm, cov khoom siv nruab nrab 2mm-0.1mm, thiab cov khoom siv zoo hauv qab 0.1mm. Rau cov khoom uas muaj cov khoom me me heev, hmoov pob zeb zoo thiab cov limestone raug xaiv yuav tsum tau siv ua cov pob zeb sib xyaw. Cov hmoov qhuav ib txwm siv tsis yog tsuas yog cov limestone sib xyaw xwb, tab sis kuj siv cov xuab zeb qhuav thiab tshuaj ntsuam ua cov pob zeb sib xyaw. Yog tias xuab zeb zoo txaus siv rau hauv cov pob zeb ua vaj tse zoo, nws yuav tsum ua tau raws li qhov yuav tsum tau ua rau kev tsim cov khoom sib xyaw qhuav. Qhov tseem ceeb rau kev tsim cov hmoov qhuav nrog qhov zoo txhim khu kev qha yog nyob rau hauv kev paub txog qhov loj me ntawm cov khoom siv raw thiab qhov tseeb ntawm qhov sib piv pub mis, uas tau pom tseeb hauv kab ntau lawm ntawm cov hmoov qhuav.

3. Cov khoom sib xyaw ua ke ntawm cov zaub mov
Cov khoom sib xyaw ua ke ntawm cov hmoov qhuav yog feem ntau: cov khoom lag luam, cov khib nyiab lag luam thiab qee cov pob zeb ntuj, xws li: slag, tshauv ya, tshauv volcanic, hmoov silica zoo, thiab lwm yam. Cov tshuaj lom neeg ntawm cov khoom sib xyaw no feem ntau yog silicon uas muaj calcium oxide. Aluminium hydrochloride muaj kev ua haujlwm siab thiab hydraulic hardness.

4. Cov khoom sib xyaw
Cov tshuaj sib xyaw yog qhov txuas tseem ceeb ntawm cov hmoov qhuav mortar, hom thiab ntau npaum li cas ntawm cov tshuaj sib xyaw thiab kev hloov pauv ntawm cov tshuaj sib xyaw muaj feem cuam tshuam rau qhov zoo thiab kev ua tau zoo ntawm cov hmoov qhuav mortar. Yuav kom ua rau cov hmoov qhuav mortar ua haujlwm tau zoo dua thiab sib koom ua ke, txhim kho qhov tawg ntawm cov mortar, txo qhov permeability, thiab ua rau cov mortar tsis yooj yim los ntshav thiab sib cais, yog li txhim kho kev ua tau zoo ntawm cov hmoov qhuav mortar thiab txo cov nqi tsim khoom. Xws li polymer roj hmab hmoov, ntoo fiber, hydroxymethyl cellulose ether, hydroxypropyl methyl cellulose, hloov kho polypropylene fiber, PVA fiber thiab ntau yam dej txo cov neeg sawv cev.