procedures and regulations related to concrete admixtures

1. “classification, naming and definition of concrete admixtures” gb8075-20052. “concrete admixtures” gb8076-20083. “concrete admixture uniformity” qualitative test methods》gb8077-20004. “concrete pumping agent” jc4762-20015. “mortar, concrete waterproofing agent” jc474-996. “concrete antifreeze” jc475-20047. “concrete expansion agent” jc4768. “accelerating setting agent for shotcrete” jc477-20059. “concrete waterproofing agent” bj/rz10-9610. “technical specifications for application of concrete admixtures” gb50119-200311. “concrete admixtures application…