1. Feem ntau cov hmoov yaj yog yaj mus rau 30-35% kua. Qhov zoo tshaj plaws tau pom los ntawm kev sim, thiab cov tshuaj pom zoo yog 1.5-2%.
2. Aliphatic superplasticizer (hmoov) tuaj yeem raug ntxiv rau cov pob zeb ua ke nrog cov dej sib tov. Ntxiv rau aliphatic superplasticizer (hmoov) rau pob zeb ua ke kuj tseem siv tau tom qab sib tov li 30 feeb.
3. Vim tias qhov dej siab yuav txo qis ntawm aliphatic superplasticizer (hmoov), txheej txheej ntawm cov xim slurry yuav raug tso rau saum npoo av ua ntej nws pib teeb, uas yog ib qho xwm txheej ib txwm muaj. Thaum cov pob zeb ua tiav, cov xim yuav raug tshem tawm, lossis tom qab cov pob zeb ua kom muaj zog, cov xim yuav raug tshem tawm ib txwm muaj, thiab xim ntawm kev tso dej thiab kho yuav raug tshem tawm sai, tsis muaj kev cuam tshuam cov khoom sab hauv thiab sab nraud ntawm pob zeb.
