Performance of Dowelled Versus Undowelled Joints For relatively Thin Airfield Pavements : Jeb S. Tingle


Mr. Jeb S. Tingle is a Senior Scientific Technical Manager and Program Manager in the Geotechnical and Structures Laboratory at the U.S. Army Engineer Research and Development Centre in Vicksburg, Mississippi.

Mr. Tingle routinely leads large multi-disciplinary teams to solve complex engineering problems and has 28 years of experience focused upon transportation research and development with an emphasis on full-scale pavement construction and testing.  His individual areas of expertise include soil stabilisation, aggregate roads, pavement design, pavement construction, and pavement evaluation.


  • U.S. DOD PCC Thickness Design is Overly Conservative
  • Dowelled Joints Performed Significantly Better In Terms of Distress Development for Both Low Strength and Normal Strength Concrete as well as for both the 8-in. and 11-in. Sections
  • Load Transfer Efficiency (LTE) of Dowelled Joints Ranged From 1.89 to 2.17 Times the LTE for Undowelled Joints for Normal PCC
  • The Deflection-based Dowelled Joint LTE Averaged 0.75
  • A Deflection-based LTE of 0.75 Represents a Load Transfer (LT) of Approximately 23% According to PCASE’s Empirical Relationship
  • The Inclusion of Dowels in Airfield Pavements Improves Load Transfer Which Can Allow A Reduction in Slab Thickness or Result in Increased Service Life

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