Abstract
Tests are reported on the drying shrinkage of glass fibre reinforced cement panels. Two types of GRC panels were used; panels made using a premixing casting process and panels made using a spray suction casting process. The variables studied in these tests are, thickness of panels, different wet and dry conditions, size of specimens and different Demec gauge length for measurement of moisture movements. It is shown that the loss and absorption of moisture and the behaviour of specimens depend upon the type of casting process used, the thickness of the specimen and the curing conditions, but it is almost independent of the size of the specimen and the length of Demec gauge used. The loss of moisture was, in general, less than the absorption of moisture.
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