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Created: 2025/06/23 01:38
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> They tell us how irregularly shaped the coarse aggregates are — especially how thin (flaky) or long (elongated) they are relative to their width.

> If thickness < 0.6 × mean size, the particle is too thin.
> Such particles are unstable under traffic loads and tend to snap or wear out.

> If length > 1.8 × mean size, the particle is too long and slender.
> These can bend, twist, or crush under compaction and live loads.

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References:

- https://chatgpt.com/c/68585667-142c-8008-9dd1-39afb93e4972