STUDY ON CHARACTERIZATION OF HARDEN CONCRETE FROM WATER ABSORPTION-TIME CURVE

Abstract

The characterization of harden concrete was analyzed by testing the weight change of water absorption. A simple testing method is submitted and discussed in this paper. As one of the test results, it was reported that the relationship between weight change (a_1) and time (t) of water absorption test would be well fitted with a_1=(α×t)/(β+t). According to the proposals, laboratory studies of a water absorption test were carried out. Test results were discussed about on evaluation of mix proportions, compressive strength and carbonation of different kinds of concrete.