Cov khoom siv hmoov polymer uas yaj tau yog cov hmoov uas yaj tau hauv dej, uas muab faib ua ethylene/vinyl acetate copolymers, vinyl acetate/tertiary ethylene carbonate copolymers, acrylic copolymers, thiab lwm yam. tus neeg sawv cev, nrog polyvinyl cawv ua colloid tiv thaiv. Cov hmoov no tuaj yeem yaj sai sai rau hauv emulsion tom qab sib cuag nrog dej. Vim muaj peev xwm khi tau zoo thiab cov yam ntxwv tshwj xeeb ntawm cov hmoov polymer uas yaj tau, xws li: tiv taus dej, kev tsim kho thiab kev rwb thaiv tsev kub, thiab lwm yam, lawv cov kev siv dav heev.
Cov yam ntxwv ntawm kev ua tau zoo
Nws muaj lub zog sib txuas zoo heev, txhim kho qhov yooj ywm ntawm cov mortar thiab muaj lub sijhawm qhib ntev dua, muab cov mortar nrog kev tiv thaiv alkali zoo heev, thiab txhim kho qhov nplaum, lub zog flexural, tiv thaiv dej, plasticity thiab hnav tsis kam ntawm cov mortar. Ntxiv rau qhov khoom siv hauv kev tsim kho, nws muaj kev ywj pheej ntau dua hauv cov mortar tiv thaiv kev tawg.
Daim ntawv thov teb
1. Lub tshuab rwb thaiv tsev sab nraud: Cov tshuaj nplaum sib txuas: Xyuas kom cov tshuaj nplaum sib txuas ruaj khov rau phab ntsa thiab EPS board. Txhim kho lub zog sib txuas. Cov tshuaj nplaum sib txuas: kom ntseeg tau tias lub zog kho tshuab, tiv taus qhov tawg thiab ruaj khov ntawm lub tshuab rwb thaiv tsev, thiab tiv taus kev cuam tshuam.
2. Cov nplaum rau pobzeb thiab cov neeg sawv cev caulking: Cov nplaum rau pobzeb: Muab cov khoom sib txuas zoo rau cov mortar, thiab muab cov mortar txaus kom rub tau cov coefficients nthuav dav thermal ntawm cov substrate thiab cov pobzeb ceramic. Filler: Ua kom cov mortar tsis nkag tau thiab tiv thaiv kev nkag los ntawm dej. Tib lub sijhawm, nws muaj kev sib txuas zoo nrog ntug ntawm cov pobzeb, qis shrinkage thiab yooj ywm.
3. Kev kho dua tshiab ntawm cov vuas vov thiab cov plastering ntoo: Txhim kho qhov kev sib txuas thiab kev sib txuas ntawm cov putty ntawm cov khoom siv tshwj xeeb (xws li cov vuas vov, mosaics, plywood thiab lwm yam nto du), thiab xyuas kom meej tias cov putty muaj kev ywj pheej zoo los ua kom cov coefficient nthuav dav ntawm cov khoom siv.
Qhov thib plaub, cov phab ntsa sab hauv thiab sab nraud putty: txhim kho lub zog sib txuas ntawm putty kom ntseeg tau tias putty muaj qee qhov kev ywj pheej los tiv thaiv cov teebmeem ntawm kev nthuav dav thiab kev ntxhov siab sib txawv los ntawm cov txheej txheem sib txawv. Xyuas kom meej tias putty muaj kev tiv thaiv kev laus zoo, tsis muaj dej nkag thiab tiv thaiv dej noo.
5. Cov tshuaj mortar hauv pem teb uas nws tus kheej leveled: xyuas kom meej tias cov elastic modulus ntawm cov tshuaj mortar sib phim thiab qhov tiv taus lub zog khoov thiab tawg. Txhim kho qhov tiv taus hnav, lub zog sib txuas thiab kev sib koom ua ke ntawm cov tshuaj mortar.
6. Cov tshuaj khib sib txuas: txhim kho lub zog ntawm qhov chaw thiab xyuas kom meej tias cov tshuaj khib sib koom ua ke.
7. Cov tshuaj cement uas tsis muaj dej nkag: xyuas kom meej tias cov tshuaj mortar txheej tsis muaj dej nkag, thiab tib lub sijhawm muaj kev sib txuas zoo nrog lub hauv paus kom txhim kho lub zog compressive thiab flexural ntawm cov tshuaj mortar.
8. Kho cov tshuaj khib: xyuas kom meej tias qhov coefficient ntawm cov tshuaj khib thiab cov khoom siv hauv paus sib phim, thiab txo qhov elastic modulus ntawm cov tshuaj khib. Xyuas kom tseeb tias cov tshuaj khib muaj cov dej tsis kam, ua pa tau thiab lo rau.
9. Cov tshuaj nplaum rau masonry: txhim kho kev khaws dej. Txo cov dej poob rau cov khoom siv uas muaj qhov dej nkag. Txhim kho qhov yooj yim ntawm kev ua haujlwm tsim kho thiab txhim kho kev ua haujlwm zoo.
Qhov zoo
Nws tsis tas yuav khaws cia thiab thauj nrog dej, txo cov nqi thauj mus los; lub sijhawm khaws cia ntev, tshuaj tiv thaiv kev khov, yooj yim khaws cia; ntim me me, lub teeb yuag, yooj yim siv; tuaj yeem sib xyaw nrog cov hydraulic binders los ua cov khoom siv hluavtaws hloov kho Cov premix tsuas yog siv tau los ntawm kev ntxiv dej, uas tsis tsuas yog zam kev ua yuam kev hauv kev sib tov ntawm qhov chaw tsim kho, tab sis kuj txhim kho kev nyab xeeb ntawm kev tuav khoom.
Lub sijhawm tshaj tawm: Lub Kaum Hli-24-2022