A chalk crushing value test procedure. The chalk impact crushing test measures therate at which a sample of chalk lumps crushes under impacts from a freefallingrammer. The chalk crushing value, with the saturation moisture content of the intactchalk lumps, classifies chalk by its behavior as freshly placed fill. The procedureis described for a single sample, but the normal procedure is to take the mean ofsix tests on representative samples.
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<element name="ChalkCrushingValueTest" type="diggs:ChalkCrushingValueTestProcedureType" abstract="false" substitutionGroup="diggs:AbstractLaboratoryTestProcedure"><annotation><documentation>A chalk crushing value test procedure. The chalk impact crushing test measures the rate at which a sample of chalk lumps crushes under impacts from a freefalling rammer. The chalk crushing value, with the saturation moisture content of the intact chalk lumps, classifies chalk by its behavior as freshly placed fill. The procedure is described for a single sample, but the normal procedure is to take the mean of six tests on representative samples.</documentation></annotation></element>