Kev siv cov pob zeb sib xyaw ua ke tuaj yeem muaj kev cuam tshuam loj rau cov khoom ntawm pob zeb.Concrete admixtures yog cov khoom siv ntxiv rau cov pob zeb sib xyaw kom hloov cov khoom ntawm pob zeb thiab ua tiav cov yam ntxwv tshwj xeeb.Lawv feem ntau yog ntxiv thaum lub sij hawm sib tov, tab sis kuj tuaj yeem ntxiv tom qab cov pob zeb tau muab tso rau.Muaj ntau ntau hom kev sib xyaw ua ke, txhua tus muaj nws tus kheej tshwj xeeb ua haujlwm thiab lub hom phiaj.

Strength Enhancing Admixtures: Strength enhancing admixtures yog tsim los ua kom muaj zog ntawm cov pob zeb tsis muaj kev cuam tshuam rau lwm yam khoom.Qhov no yog ua los ntawm kev nce cov cement cov ntsiab lus los yog txo cov dej ntsiab lus hauv qhov sib tov.Qhov tshwm sim yog lub pob zeb muaj zog, ruaj khov dua uas muaj peev xwm tiv taus kev ntxhov siab ntau dua thiab kev thauj khoom.

Workability Admixtures: Workability admixtures yog siv los ua kom cov pob zeb yooj yim ua hauj lwm nrog.Lawv tuaj yeem txo cov dej xav tau los sib xyaw ua ke, ua rau muaj kev sib xyaw ua haujlwm ntau dua uas tuaj yeem tso tau yooj yim, compacted, thiab tiav.

Foaming Agents: Cov neeg ua npuas ncauj yog siv los txo qhov ntom ntawm pob zeb.Qhov no tuaj yeem ua rau nws sib dua, txuag nyiaj ntau dua, thiab tsim nyog rau qee yam kev siv.

Air Entraining Agents: Cov khoom siv cua nkag yog cov khoom siv los ua kom pom cov npuas hauv cov pob zeb.Cov npuas cua no ua raws li cov voids uas tuaj yeem nqus tau qee qhov ntawm lub siab los ntawm kev khov thiab thawing cycles, ua pob zeb ntau tiv thaiv kom khov-thaw puas.

Pigments: Pigments yog admixtures siv los hloov cov xim ntawm pob zeb.Qhov no feem ntau ua kom cov pob zeb ua kom zoo nkauj dua.

Retarders: Retarders yog cov khoom sib xyaw uas siv los ua kom qis qis ntawm cov dej ntawm cov cement.Qhov no tuaj yeem muaj txiaj ntsig zoo hauv qee daim ntawv thov uas ib tus xav tau sijhawm ntxiv los tso thiab ua kom tiav cov pob zeb.

Admixtures kuj siv tau los hloov cov tsos thiab kev ntxhib los mos ntawm pob zeb.Pigments thiab tshwj xeeb aggregates tuaj yeem hloov xim thiab kev ntxhib los mos ntawm pob zeb nto.Lwm cov khoom sib xyaw tuaj yeem siv los txhim kho qhov kev tiv thaiv ntawm pob zeb rau lub cev, tshuaj lom neeg, thiab kev puas tsuaj ib puag ncig.

Zuag qhia tag nrho, pob zeb admixtures muab lub luag haujlwm tseem ceeb hauv kev txhim kho kev ua haujlwm, kev siv tau, thiab kev zoo nkauj ntawm pob zeb.Los ntawm kev siv cov khoom sib xyaw kom raug, ib qho tuaj yeem txhim kho qhov zoo thiab ruaj khov ntawm cov pob zeb, thaum txo cov nqi cuam tshuam nrog kev ua haujlwm thiab cov khoom siv raw.