Historical
ASTM E3303-21
Standard Practice for Generating Pavement Surface Cracking Indices from Digital Images
1.1This practice covers the quantification of pavement surface cracking from digital 2D images or 3D data (or both) of the pavement surface.
1.2The objectives of this standard are to eliminate human subjectivity and intervention in the process of generating cracking indices, to define cracking metrics and other required parameters objectively, and to enable all users of the standard to produce the same cracking indices given the same cracking data.
1.3The cracking indices are unitless and are calculated in a straightforward manner from fundamental measurements of length, width, and area as defined in this standard.
1.4This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. Specific precautionary statements are given in Section 7.
1.5This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
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