Construction

Evaluating the Impact of Aircraft Lateral Turning Forces on Pavement Design and Performance

This research would help airports understand, qualify and quantify lateral shear forces within the surface or subsurface layers of flexible pavements induced by landing gear lateral turning movements; develop models to take the excessive lateral shear forces into consideration in the design of runway asphalt concrete surface layers; formulate recommendations to include shear resistant asphalt concrete layer (or sublayer) in the pavement structure to minimize shear failures and avoid layer delamination in areas within the runway/taxiway that are more likely to experience excessive lateral shear forces; and recommend existing or revised test standards and threshold values to reduce the risk of such failures.

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Idea No. 19