THE MECHANISM OF SLUMP LOSS AND METHODS OF REDUCING SLUMP LOSS FOR SUPERPLASTICIZED CONCRETE

【Author】

Wu Chengning Wu Shaozhang Nanjing Hydraulic Research Institute,China

【Abstract】

<正>In this paper,the factors which influence the slump loss of the superplasticized concrete and the reaction between the superplasticizers and the cement are first investigated,and the mech- anism of the slump loss of the superplasticized concrete is proposed.The slump of superplasticized concrete loses rapidly because the cement hydration is affected by the superplastieizers and the plasticization of the superplasticizers is decreased by the hydration. Based on the mechanism,some of the methods of reducing the slump loss are proposed.

【Keywords】

ACI;月卜;THE MECHANISM OF SLUMP LOSS AND METHODS OF REDUCING SLUMP LOSS FOR SUPERPLASTICIZED CONCRETE;

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