AASHTO - American Association of State Highway and Transportation Officials
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TP 81-2012
Scope
This standard covers the measurement of aggregate shape properties using the digital image analysis techniques. This standard may involve hazardous materials@ operations@ and equipment. This standard does not purport to address all of the safety concerns associated with its use. It is the responsibility of the user of this procedure to establish appropriate safety and health practices and to determine the applicability of regulatory limitations prior to its use.
TP 81-2012 history
2012TP 81-2012 Standard Method of Test for Determining Aggregate Shape Properties by Means of Digital Image Analysis
2011TP 81-2011 Standard Method of Test for Determining Aggregate Shape Properties by Means of Digital Image Analysis
2010TP 81-2010 Standard Method of Test for Determining Aggregate Shape Properties by Means of Digital image Analysis (Revision 1)