CONCRETE OR MORTAR ADMIXTURE COMPOSITION

摘要

A concrete admixture composition comprising (A) a polycarboxylic acid type water-reducing agent for concrete, (B) a hydroxycarboxylic acid type water-reducing agent for concrete, and (C) a polysaccharide type thickening agent is provided in order to manufacture a high-performance and multi-function concrete excellent in flowability, freshness retention, early strength, pupmability, material segregation resistance, and anti-washout properties under water.