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Limestone powder as a concrete admixture was incorporated into the concrete, mechanical properties and impermeability of concrete were studied, and influence mechanism of concrete was analyzed. Experimental results showed workability of concrete was improved when appropriate proportion limestone powder mixed into concrete. Concrete 3d, 7d, 28d compressive strength increased when 10%, 20% limestone powder were mixed into concrete. Compressive strength with 30% limestone powder descended. Keywords-limestone powder; concrete; impermeability

Experimental Study on Impermeability of Concrete Mixed with Limestone Powder