Stone Matrix Asphalt (SMA) Design & Construction
Stone Matrix Asphalt (SMA) is a strong, tough, stable and rut-resistant blend.
The SMA design approach depends on stone-on-stone contact to furnish
strength as well as a rich mortar binder to furnish durability. These aims are
generally accomplished through a gap-graded aggregate combined with
fiber as well as polymer-modified, high bitumen content model.
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