AASHTO R 91:2018(R2026)
Current
Current
The latest, up-to-date edition.
Determining Aggregate Source Shape Values from Digital Image Analysis Shape Properties
Available format(s)
Hardcopy , PDF
Language(s)
English
Published date
10-08-2026
Including GST where applicable
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.
| DocumentType |
Standard
|
| Pages |
16
|
| ProductNote |
This record is editorially revised in 2026
|
| PublisherName |
American Association of State Highway and Transportation Officials
|
| Status |
Current
|
| Supersedes |
| AASHTO T 85:2025 | Standard Method of Test for Specific Gravity and Absorption of Coarse Aggregate |
| AASHTO T 84:2025 | Standard Method of Test for Specific Gravity and Absorption of Fine Aggregate |
| AASHTO T 27:2024 | Standard Method of Test for Sieve Analysis of Fine and Coarse Aggregates |
| AASHTO T 381:2022 | Method of Test for Determining Aggregate Shape Properties by Means of Digital Image Analysis |
| AASHTO T 11:2025 | Standard Method of Test for Materials Finer Than 75-µm (No. 200) Sieve in Aggregates by Washing |
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