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Sustainable Pavement Designs for Runways and Taxiways

Sustainable Pavement Designs for Runways and Taxiways

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TM<br />

Purpose of Base/Subbase Courses<br />

(FAA AC 150/5320-6E)<br />

Flexible pavements<br />

• Principal structural component<br />

• Distribute the loads to the<br />

foundation<br />

Rigid pavements<br />

• Provide uni<strong>for</strong>m stable support<br />

Asphalt<br />

Base<br />

Subbase<br />

(Req. if CBR

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