Transcription of Basics of Concrete Pavement Thickness Design
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Basics of Concrete Pavement Thickness Design
Basics of Concrete Pavement Thickness DesignConcrete Pavement Design Geometrics Thickness (es) Joints MaterialsConcrete Pavement Design Geometrics Thickness (es) Joints MaterialsMost Often Influence Cost& Selection of ProjectsCOSTC oncrete Pavement Design Geometrics Thickness (es) Joints MaterialsMost Often InfluenceReal-world PerformancePERFORMANCEC oncrete Pavement DesignPerformance FactorDesign AreaBlow-upsRandom crackingFaultingPumpingSpallsJointing & SubbaseMaterials Selection &ProportioningASRD-crackingFreeze-ThawSc alingSkid ResistanceThickness (Slab)Fatigue CrackingPrinciples of DesignLoad stressesVolume change stressesCurling/Warping stressesJointing orReinforcingThicknessThickness Design Procedures Empirical Design Procedures Based on observed performance AASHO Road Test Mechanistic Design Procedures Based on mathematically calculated Pavement responses PCA Des
• Proper design and construction are absolutely necessary if the pavement is to perform. • Must be uniform throughout pavement’s life. • Poor subgrade/subbase preparation can not be overcome with thickness. • Any concrete pavement, built of any thickness, will have problems on a poorly designed and constructed subgrade or subbase.
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