PRINCIPLE Concrete is placed into a mould and compacted by a rammer. The amount of consolidation is expressed as a compactibilityindex.
原则将混凝土装入模具中，并用夯实机夯实。固结量即称为“压塑性指数”。
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SCOPE This Standard sets out the method for determining the compactibilityindex, for concrete, where the expected slump is less than 10 mm and the nominal size of aggregate does not exceed 40 mm.