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AASHTO 2002<br />
AT EARLY IMPLEMENTATION STAGE<br />
GENERAL DESIGN APPROACH<br />
ENVIRONMENT<br />
MATERIALS<br />
<br />
TRAFFIC<br />
PROCESS RAW INPUT FOR DISTRESS MODELING<br />
<br />
ASSEMBLE INPUT AND TRIAL DESIGN<br />
INFORMATION FOR EACH DISTRESS MODEL<br />
<br />
STRESS DEFLECTION ANALYSIS<br />
CALCULATE STRESS ∪ CALCULATE DAMAGE ∪ PREDICT AMOUNT OF DISTRESS<br />
<br />
PREDICT SMOOTHNESS OVER TIME<br />
<br />
CHECK PREDICTED PERFORMANCE<br />
AGAINST DESIGN STANDARDS<br />
<br />
[ REVISE DESIGN AS NECESSARY ]<br />
TO SATISFY DESIGN STANDARD<br />
<br />
DESIGN COMPLETE