The application study of polycarboxylates water reducing admixture in passenger dedicated line engineering

Polycarboxylate water reducing admixture possesses the capability which could meet with the comprehensive performance of high performance concrete used in passenger dedicated line engineering. The problems of polycarboxylates water reducing admixtures existed in the engineering application of were analyzed. At present the key for polycarboxylates application was to settle the compatibility between the water reducing admixture and the cement and to keep the quality retention of this admixture.