Lub plawv ntawm cov hmoov talc cuam tshuam rau cov mortar kev tsim kho yog nws lub peev xwm zoo kawg nkaus los txhim kho kev ua haujlwm, ib qho tseem ceeb uas cuam tshuam ncaj qha rau qhov yooj yim thiab kev ua haujlwm ntawm cov txheej txheem kev tsim kho. Thaum muab tso rau hauv cov khoom sib xyaw mortar, cov hmoov talc cov khoom me me, uas feem ntau muaj qhov loj me ntawm 1 txog 10 micrometers, ua haujlwm ua cov roj nplua nyeem me me. Cov khoom me me no sib xyaw ntawm cov xuab zeb loj dua thiab cov cement, txo qhov kev sib txhuam uas tshwm sim thaum lub sijhawm sib tov thiab siv.

Qhov kev txo qis ntawm kev sib txhuam muaj kev cuam tshuam loj heev rau cov khoom rheological ntawm cov mortar. Cov mortar sib xyaw nrog hmoov talc qhia txog kev ua kom zoo dua, ua rau nws ntws tau yooj yim dua hauv cov formwork lossis nyob ib puag ncig cov khoom siv reinforcing. Qhov kev ua kom zoo dua no yog qhov tshwj xeeb tshaj yog nyob rau hauv cov xwm txheej kev tsim kho nyuaj, xws li kev casting ntawm cov ntsiab lus architectural nyuaj lossis kev sau cov qhov sib txawv nqaim. Tsis tas li ntawd, hmoov talc txhim kho qhov plasticity ntawm cov mortar, ua rau nws tuaj yeem ua duab thiab pwm nrog qhov tseeb dua. Cov yam ntxwv no yog qhov tseem ceeb heev rau cov ntawv thov uas xav tau cov nto du thiab sib xws, xws li hauv plastering lossis kev teeb tsa cov khoom tiav kho kom zoo nkauj.

Cov txiaj ntsig ntawm kev txhim kho kev ua haujlwm tau zoo dua yog qhov dav heev. Cov neeg ua haujlwm tsim kho tau pom tias kev siv zog ntawm lub cev yuav tsum tau txo qis. Qhov no tsis yog tsuas yog ua rau lawv muaj peev xwm tsim khoom ntau dua xwb tab sis kuj txo qhov kev pheej hmoo ntawm kev raug mob los ntawm kev qaug zog. Hauv cov haujlwm tsim kho loj, qhov twg lub sijhawm yog qhov tseem ceeb, kev siv hmoov talc tuaj yeem ua rau txuag tau sijhawm ntau, ua kom lub sijhawm ua haujlwm sai dua thiab txo cov nqi tag nrho. Piv txwv li, hauv qhov project tsev siab, kev ua haujlwm tau zoo dua ntawm cov hmoov talc-enhanced tuaj yeem ua rau cov txheej txheem kev teeb tsa cib yooj yim dua, ua rau cov neeg ua haujlwm masonry tso cib ntau dua ib teev nrog qhov tseeb dua.

Kev khaws dej yog ib qho tseem ceeb ntawm cov tshuaj pleev rau kev tsim kho, vim nws cuam tshuam ncaj qha rau cov txheej txheem hydration ntawm cov cement thiab lub sijhawm ntev ntawm cov khoom siv. Hmoov talc ua lub luag haujlwm tseem ceeb hauv kev txhim kho kev khaws dej los ntawm kev tsim ib lub network tiv thaiv ib puag ncig cov dej molecules hauv cov matrix mortar. Cov qauv lamellar ntawm cov khoom talc tsim ib qho thaiv uas qeeb qeeb qhov evaporation ntawm dej, tiv thaiv kom qhuav ua ntej thiab xyuas kom meej tias cov tshuaj pleev tseem ua haujlwm tau ntev.

Lub qhov rais ua haujlwm ntev no muab kev ywj pheej ntau dua rau cov neeg ua haujlwm tsim kho hauv lawv txoj haujlwm. Lawv muaj sijhawm ntau dua los kho qhov chaw ntawm cov cib lossis cov vuas, ua kom du cov qhov tsis zoo, thiab xyuas kom meej tias sib phim ua ntej cov mortar teeb. Ntxiv nrog rau kev txhim kho qhov zoo ntawm cov haujlwm tiav, kev tswj cov dej kom zoo tshaj plaws thaum lub sijhawm ua kom cov mortar muaj zog tag nrho. Kev ua kom cov cement muaj zog yog ib qho tshuaj lom neeg nyuaj uas xav tau ntau cov dej kom ua tiav. Kev tsis txaus dej tuaj yeem ua rau cov mortar tsis muaj zog thiab muaj qhov me me nrog lub zog compressive thiab ruaj khov tsawg dua.

Cov hmoov talc khaws dej tau zoo heev rau huab cua kub thiab qhuav, qhov twg cov dej ua pa sai sai tuaj yeem ua rau muaj teeb meem loj rau kev ua haujlwm ntawm cov mortar. Hauv cov chaw zoo li no, kev siv hmoov talc tuaj yeem pab tiv thaiv cov mortar kom tsis txhob qhuav sai dhau, ua kom nws tseem ua haujlwm tau zoo thiab muaj zog. Ntxiv mus, los ntawm kev txo qhov kev pheej hmoo ntawm kev qhuav ua ntej lub sijhawm, hmoov talc pab txo qhov tshwm sim ntawm cov qhov tsis zoo ntawm qhov chaw, xws li tawg thiab tawg, uas tuaj yeem ua rau puas tsuaj rau qhov zoo nkauj thiab kev ua haujlwm ntawm cov qauv tiav.

Qhov uas cov pob zeb mortar ntsws thaum lub sijhawm ziab yog ib qho teeb meem uas feem ntau tshwm sim uas tuaj yeem ua rau lub tsev puas tsuaj thiab zoo li cas. Thaum cov pob zeb mortar poob dej noo, nws yuav ntsws, thiab yog tias qhov ntsws tsis raug tswj kom zoo, nws tuaj yeem ua rau muaj kab nrib pleb. Cov kab nrib pleb no tsis yog tsuas yog ua rau lub tsev zoo nkauj xwb tab sis kuj tseem muab txoj hauv kev rau cov dej noo nkag mus, uas tuaj yeem ua rau muaj ntau yam teeb meem, suav nrog kev loj hlob ntawm pwm, kev xeb ntawm cov khoom siv, thiab kev puas tsuaj ntawm cov qauv.

Hmoov Talc muaj ib txoj kev daws teeb meem zoo rau qhov teeb meem ntawm cov mortar shrinkage. Nws cov khoom me me ua haujlwm ua cov khoom sau, nyob hauv cov qhov khoob thiab cov qhov hauv cov mortar matrix. Los ntawm kev sau cov chaw no, hmoov talc txo qhov kev hloov pauv uas tshwm sim thaum lub sijhawm ziab, txo qhov kev pheej hmoo ntawm kev tawg. Cov qauv lamellar ntawm cov khoom talc kuj tseem pab txhawb rau nws cov yam ntxwv tiv thaiv kev shrinkage, vim tias cov khaubncaws sab nraud povtseg tuaj yeem swb dhau ib leeg, ua kom haum rau cov kev ntxhov siab sab hauv uas tsim thaum lub sijhawm ziab yam tsis ua rau puas tsuaj rau cov mortar matrix.

Ntxiv rau kev tiv thaiv kom tsis txhob muaj kab nrib pleb, kev txo qhov ntsws kuj tseem ua rau kom qhov ntev ntawm cov mortar ruaj khov. Qhov no tseem ceeb heev rau cov ntawv thov uas xav tau kev sib haum xeeb thiab kev sib dhos, xws li kev teeb tsa cov khoom precast lossis kev tso cov vuas loj. Los ntawm kev tswj kom muaj cov duab thiab qhov loj sib xws, cov mortar uas muaj talc ua kom muaj kev sib txuas ruaj khov thiab ruaj khov ntawm cov khoom hauv tsev, ua kom lub tsev zoo dua.

Lub zog sib txuas ntawm cov xuab zeb thiab cov khoom siv hauv tsev, xws li cib, pob zeb, lossis pob zeb, yog qhov tseem ceeb ntawm kev ruaj khov ntawm lub tsev. Kev sib txuas zoo yog qhov tseem ceeb rau kev thauj khoom zoo ntawm cov khoom thiab xyuas kom meej tias lub tsev tuaj yeem tiv taus lub zog ntawm cua, av qeeg, thiab kev siv txhua hnub. Hmoov Talc ua rau lub zog sib txuas ntxiv los ntawm ntau txoj hauv kev, ua rau nws yog ib qho khoom siv ntxiv rau kev txhim kho kev ua haujlwm ntawm cov xuab zeb nplaum.

Ib txoj hauv kev tseem ceeb uas ua rau hmoov talc txhim kho lub zog sib txuas yog los ntawm kev ua kom lub zog sib txuas ntawm cov mortar thiab lub substrate nce ntxiv. Cov hmoov me me ntawm hmoov talc nkag mus rau hauv cov qhov thiab cov qhov tsis sib xws ntawm qhov chaw ntawm lub substrate, tsim cov qauv ntxhib uas ua rau muaj kev sib txhuam ntawm ob yam khoom. Qhov kev sib txuas no zoo heev rau cov substrates uas muaj qhov, xws li cib thiab cov pob zeb ua vaj tse, qhov twg cov hmoov talc tuaj yeem sau cov qhov khoob thiab tsim kom muaj kev sib txuas ruaj ntseg dua.

Ntxiv rau qhov kev sib txuas ntawm lub cev, hmoov talc kuj tseem txhim kho cov yam ntxwv ntawm cov mortar. Los ntawm kev txo qhov kev nruj ntawm qhov chaw ntawm cov mortar, hmoov talc tso cai rau nws kom nthuav dav dua thiab nkag mus tob dua rau hauv cov qhov hws ntawm lub substrate. Qhov no ua rau muaj kev sib cuag ntau dua thiab sib ze ntawm cov mortar thiab lub substrate, tsim kom muaj kev sib txuas tshuaj lom neeg zoo dua. Cov yam ntxwv ntawm cov mortar uas muaj talc-enhanced zoo dua yog qhov tshwj xeeb tshaj yog rau cov ntawv thov uas xav tau kev sib txuas siab, xws li kev teeb tsa cov cladding sab nraud lossis kev kho cov qauv pob zeb puas tsuaj.

Qhov kev sib xyaw ua ke ntawm kev sib txuas ntawm lub tshuab thiab cov khoom ntub dej zoo dua ua rau muaj kev sib txuas ntau dua. Cov kev tshawb fawb tau qhia tias cov mortars uas muaj hmoov talc tuaj yeem ua rau muaj kev sib txuas ntau dua txog li 30% piv rau cov mortars ib txwm muaj. Qhov kev sib txuas zoo dua no tsis yog tsuas yog txhim kho kev ruaj khov ntawm lub tsev xwb tab sis kuj ua rau nws tiv taus cov yam ntxwv ib puag ncig, xws li kev khov-thaw thiab kev tawm tsam tshuaj lom neeg. Yog li ntawd, cov tsev uas tsim los ntawm cov mortar uas muaj talc zoo dua ruaj khov dua thiab xav tau kev saib xyuas tsawg dua thaum lawv lub neej, muab txiaj ntsig mus sij hawm ntev rau cov tswv tsev thiab cov neeg tsim kho.

Xaus lus, hmoov talc yog ib yam khoom siv uas siv tau ntau yam thiab zoo heev rau kev sib xyaw cov mortar hauv kev tsim kho, muab ntau yam txiaj ntsig uas ua rau kev ua haujlwm zoo dua, ruaj khov dua, thiab zoo nkauj dua ntawm cov khoom siv hauv kev tsim kho. Nws lub peev xwm los txhim kho kev ua haujlwm tau zoo, ua kom cov dej khaws cia zoo dua, txo qhov ntsws, thiab ua kom muaj zog ntawm cov mortar thiab cov substrates ua rau nws yog ib qho tseem ceeb hauv kev tsim kho niaj hnub no. Raws li kev lag luam kev tsim kho txuas ntxiv mus, kev siv hmoov talc yuav nce ntxiv, vim nws muab kev daws teeb meem ruaj khov thiab pheej yig rau kev ua kom tau raws li qhov xav tau ntawm cov khoom siv hauv kev tsim kho siab. Txawm hais tias nyob rau hauv cov haujlwm nyob hauv tsev, kev lag luam, lossis kev tsim kho vaj tse, hmoov talc tau ua pov thawj tias nws yog ib qho khoom muaj nqis, pab txhawb rau kev tsim cov qauv muaj zog dua, ruaj khov dua, thiab zoo nkauj dua.