Fluidity

this m 巳thod to quahty control of concrete in struc加 res }rVas examined .Afu1】 −scale model structure with a hi∈典fluidity con じ rete , whose extent of segregation was intentionally increased, were built and relationship between concrete quality and the unit cement oo 帆 ent detemlined with the small −sized core method by sodium gluconate was studied .lt was shown that the relationshlp was oorrelative and applioation of small −sized core method by sodium gluconate to the quality control of concrete in structures was fc)und to be reasonable .