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| description: | The Falling Weight Deflection (FWD) testing was used to determine the pavement strength and a Structural Number (SN) was estimated. This is an AASHTO pavement design parameter where the traffic loads provided a required SN. The thickness for each of the pavement layers could then be optimized to meet this strength need. |
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| title: | Structural Number |
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| culture: | en-US |
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