Estimation of Compressive Strength of Cement Paste by Drilling Type Surface Strength Tester

Abstract

In the earlier report, a strength estimation technique has been successfully proposed for the exterior terra cotta used on historic structures by using a drilling type surface strength tester developed by the authors. In the present paper, the method of estimation of compressive strength of cement paste is discussed, with the improvement of the measurement accuracy of the proposed tester, aiming at the application to mortal and concrete henceforth. As a result, a formula for the estimation of compressive strength of cement paste is proposed.