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HMA aggregate size and gradation design
Are there any pavement experts there? Hello...? Hello...? Anyone able to discuss pavement aggregate size and gradation, an abstract and conceptual or pragmatic perspective...Anything? "Coarse", "medium", or "open", means gradation. I am specifically asking about aggregate variations--not...- USCU
- Post #5
- Forum: Constructed items general discussion
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HMA aggregate size and gradation design
Thanks for the reply Ron. There are two questions (about HMA characteristics): 1) Differences between max size 1/2" vs 3/4" 2) Differences between "coarse" and "medium" gradation. What are the characteristics which make one worth specifying over the other, relative to the pavements in service...- USCU
- Post #3
- Forum: Constructed items general discussion
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HMA aggregate size and gradation design
GRADATION: I don't understand the differences between the "coarse" and "medium" gradations used by Caltrans (neither of which is "open"). SIZE: When would you use a 3/4" as opposed to a 1/2", what are the benefits and drawbacks? When would you specify a 1/2" course as opposed to a 1/2"...- USCU
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- Replies: 11
- Forum: Constructed items general discussion
