Cov neeg tsim khoom siv cov khoom sib xyaw ua ke txo tus nqi ntawm kev tsim vaj tsev; hloov cov khoom ntawm cov pob zeb hardened; los xyuas kom meej qhov zoo ntawm pob zeb thaum sib tov, thauj, tso, thiab kho; thiab kom kov yeej tej xwm txheej kub ntxhov thaum lub sijhawm ua haujlwm.
Vim li cas cov khoom siv sib xyaw ua ke?
Admixtures yog siv rau hauv pob zeb txhawm rau txhim kho kev ua tau zoo ntawm kev sib xyaw ntau yam. Feem ntau ntxiv ua ntej lossis thaum lub sijhawm sib xyaw, cov khoom sib xyaw tuaj yeem ua kom lub zog sib xyaw, ua kom nrawm lossis qeeb ntawm cov txheej txheem kho ntawm lwm cov txiaj ntsig.
Dab tsi yog cov khoom siv tseem ceeb siv hauv pob zeb?
Types of Concrete Admixtures
- air entrainers.
- dej txo qis.
- set retarders.
- set accelerators.
- superplasticizers.
- tshwj xeeb admixtures: uas suav nrog cov tshuaj tiv thaiv corrosion, shrinkage tswj, alkali-silica reactivity inhibitors, thiab xim.
Dab tsi yog qhov kev ua haujlwm ntawm kev sib xyaw?
Admixtures cuam tshuam lub cev, tshuaj lom neeg, tshuaj lom neeg, thiab cov khoom siv ntawm cov pob zeb thiab nws cov kav ntevCov khoom siv nrawm nrawm txo lub sijhawm teeb tsa thiab nce tus nqi uas lub zog yog tsim tawm. Lawv siv nyob rau hauv huab cua txias concreting.
Dab tsi yog qhov sib xyaw hauv kev tsim ua vaj tse?
Cov khoom sib xyaw ua ke yogntuj lossis cov tshuaj tsim khoom lossis cov khoom ntxiv ntxiv thaum lub sijhawm sib xyaw ua ke los txhim kho cov khoom tshwj xeeb ntawm cov pob zeb tshiab lossis tawv tawv, xws li kev ua haujlwm, ua haujlwm ntev, lossis thaum ntxov thiab lub zog kawg..
