• AASHTO R 91-18 (2022)

AASHTO R 91-18 (2022)

Standard Practice for Determining Aggregate Source Shape Values from Digital Image Analysis Shape Properties

American Association of State Highway and Transportation Officials , 2018

Publisher: AASHTO

File Format: PDF

$44.00$89.00


This standard covers the determination of aggregate source and source blend shape characteristics using gradation analysis and shape properties determined by means of digital image analysis.

This standard was formerly designated as provisional standard PP 64.

AASHTO R 91-18 (2022) History

AASHTO R 91-18 (2022)

AASHTO R 91-18 (2022)

$44.00 $89.00

AASHTO PP 64-11 (2017)

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$44.00 $89.00

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