Abstract
The evaluation method of frost resistance of baked bricks is not clarified. Then, the evaluation method of frost resistance of baked bricks using water absorption properties was compared with three kinds of freezing and thawing test (freezing in air and thawing in water test, freezing test of one side, and freezing and thawing test of other side water absorbent) and outdoor endurance test. These test outcomes were not corresponding. Therefor, when we evaluate frost resistance of baked bricks, it is necessary to evaluate in consideration of using conditions in real environment and mechanism of deterioration.
