Concrete
Concrete Concrete
Opening to Construction Traffic (IPRF study Recommendation – Item P-50X) ‣ Joints are sealed/prote ected ‣ Minimum in-place concrete flexural strength is: • 450 psi, or • Larger of 300 psi or calculated max pavement edge stress due to the critica al construction equipment multiplied by 2.5 • Precludes early fatigue related damage to the pavement Thicker slabs require less strength Thinner slabs require higher strength
Opening to Construction Traffic (For slab thickness = 16 in.) (IPRF STUDY)
- Page 1 and 2: 2009 Concrete Pavement Workshop Atl
- Page 3 and 4: Airport Concrete Pavement Performan
- Page 5 and 6: How do Airfield Concrete Pavements
- Page 7 and 8: Outline Recent IPRF Construction Re
- Page 9 and 10: Over-riding Assumptions for IPRF St
- Page 11 and 12: Gaps Addressed Best Pract tices Gui
- Page 13: Maturity Testing
- Page 17 and 18: Stabilized Base (CTB) Interface Typ
- Page 19 and 20: Gaps Addressed by IPRF Studies Conc
- Page 21 and 22: Gaps Addressed Airfield pavement sm
- Page 23 and 24: Construction Specification Objectiv
- Page 25 and 26: Quality in Construction ‣ For con
- Page 27 and 28: Quality vs. Construction Variabilit
- Page 29 and 30: Typical Concrete Requirements (Desi
- Page 31 and 32: Concrete Aggregates Gradation ‣Re
- Page 33 and 34: Critical Factors for Concrete Pavin
- Page 35 and 36: Test Section ‣Used to evaluate co
- Page 37 and 38: Paving Equipment Requirements ‣Ma
- Page 39 and 40: Concrete Placement Options ‣ Meth
- Page 41 and 42: Water Addition at Site ‣W/cm rati
- Page 43 and 44: Filler Lane Placement ‣Reasonably
- Page 45 and 46: 1 Inject Grout to Back of Hole 2 Tw
- Page 47 and 48: Dowel Bar Ali ignment Testing Germa
- Page 49 and 50: Concrete Consolidation ‣Proper co
- Page 51 and 52: Finishing Operations ‣Minimal han
- Page 53 and 54: Concrete e Curing ‣Need to mainta
- Page 55 and 56: Curing Compou und Application ‣Ti
- Page 58 and 59: Protection of Concrete Against Rain
- Page 60 and 61: Factors that Shorten Window ‣Sudd
- Page 62 and 63: Contractor Process Control ‣Provi
Opening to Construction Traffic<br />
(IPRF study Recommendation – Item P-50X)<br />
‣ Joints are sealed/prote<br />
ected<br />
‣ Minimum in-place concrete flexural strength is:<br />
• 450 psi, or<br />
• Larger of 300 psi or calculated max pavement edge<br />
stress due to the critica<br />
al construction equipment<br />
multiplied by 2.5<br />
• Precludes early fatigue related damage to the pavement<br />
Thicker slabs require less strength<br />
Thinner slabs require higher strength
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