An effective transport model of sulfate (cas 63981-40-8) attack in concrete

Add time:07/13/2019    Source:sciencedirect.com

This paper presents both an experimental and theoretical investigation of the consumed and accumulated rates of sulfate (cas 63981-40-8) ions in concrete. The authors analyze the effects of sulfate solution concentration and the water-cement ratio on the sulfate ions distribution. Based on the diffusion theory, a sulfate transport model for concrete was established considering the effect of surface sulfate concentration. On this basis, an effective transport model of sulfate attack is presented, which relies on effective diffusivity. This model can be applied to predict the sulfate ions distribution; moreover, its predicted values are in good agreement with the experimental ones.

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