Analysis of creep properties using a flattened indirect tension test for asphalt concrete

A. F. Braham, E. V. Dave, W. G. Buttlar, G. H. Paulino

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Scopus citations

Abstract

The Indirect Tension Test (IDT) is frequently used for evaluation of asphalt material viscoelastic creep properties. With the increased use of finer aggregate gradations and polymer modified asphalt binders in asphalt materials, crushing can occur under the narrow loading heads. The new specimen configuration proposed has a trimmed area under the loading heads, creating a "flattened-IDT." This integrated modeling and testing study shows that the flattened IDT reduces the crushing observed in the regular IDT. This study shows that the flattened configuration alters creep properties approximately 10-16% within typical experimental variability.

Original languageEnglish (US)
Title of host publicationCreep, Shrinkage and Durability Mechanics of Concrete and Concrete Structures - Proceedings of the 8th Int. Conference on Creep, Shrinkage and Durability Mechanics of Concrete and Concrete Structures
Pages787-792
Number of pages6
StatePublished - 2009
Externally publishedYes
Event8th International Conference on Creep, Shrinkage and Durability Mechanics of Concrete and Concrete Structures - Ise-Shima, Japan
Duration: Sep 30 2008Oct 2 2008

Publication series

NameCreep, Shrinkage and Durability Mechanics of Concrete and Concrete Structures - Proceedings of the 8th Int. Conference on Creep, Shrinkage and Durability Mechanics of Concrete and Concrete Structures
Volume1

Other

Other8th International Conference on Creep, Shrinkage and Durability Mechanics of Concrete and Concrete Structures
Country/TerritoryJapan
CityIse-Shima
Period9/30/0810/2/08

All Science Journal Classification (ASJC) codes

  • Civil and Structural Engineering
  • Mechanics of Materials

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