airport pavement jointing - American Concrete Pavement Association

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Where Does Restraint Come• SubbaseFrom?• Friction (higher the stiffness > restraint)• Unevenness• Voids• Slab edges (fill-in lanes)• Friction• Dowel bars or tiebars
Solution is Controlled Cracks(Joints)• Spacing & type• Vertical work• Thickness• Shrinkage• Load transfer req’t• Steel content• Base material(<strong>pavement</strong>s)• EOR specify jointlocation/type• <strong>Pavement</strong>s• Specify spacing &type but be flexibleof location• Depends onconstruction methods
Page 1 and 2: AIRPORT PAVEMENT JOINTINGGood Pract
Page 5 and 6: A Cost-Effective PavementThat Meets
Page 7 and 8: Less than 1 year Old…Design Issue
Page 9 and 10: Good Designs = Good PerformanceConc
Page 11 and 12: Performance - Why thedifference?•
Page 13 and 14: Jointing Purpose• Limit slab stre
Page 15 and 16: Shrinkage (cycle)Curling: caused by
Page 17: Crack Formation-3/8 in.100 ftDrying
Page 21 and 22: FAA Maximum Joint SpacingSlab Thick
Page 23 and 24: Joint Types• Contraction (Shrinka
Page 25 and 26: Contraction Joint DetailsDoweledPla
Page 27 and 28: DoweledConstructionJoints
Page 29 and 30: Dowel Hole Gang Drill
Page 31 and 32: Airport Dowel DimensionsSlab Thickn
Page 34 and 35: Isolation/Expansion JointsDoweledCa
Page 36: Where to Isolate...DifferentMovemen
Page 39 and 40: Filets...
Page 41 and 42: Odd-shaped Panels in Filets• Add
Page 43 and 44: Joint Layout PatternConnectorIsolat
Page 45 and 46: Construction Joint DetailsSeal Rese
Page 48 and 49: Don’t bringa joint tothe edgeofpa
Page 50 and 51: Don’tdrill adowelhole intoanother
Page 52 and 53: Thank YOUGREG DEANDirector of Airpo
Page 54 and 55: Load stresses in rigidpavement• T

airport pavement jointing - American Concrete Pavement Association

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