本标准规定了在实验室养护混凝土收缩试样的方法，以及测定这些试样在空气中干燥后的长度变化的方法。它规定了根据AS1012在实验室或现场制备的试样的测试。根据AS 2758.1，混凝土中骨料的标称尺寸不超过40mm。

This Standard sets out a method for curing concrete shrinkage specimens in the laboratory, and for determining the length changes of these specimens due to drying in air. It provides for testing of specimens prepared in the laboratory or in the field in accordance with AS1012.8.4, in which the nominal size of aggregate in the concrete, in accordance with AS 2758.1, does not exceed 40mm.