00931965

Component

https://doi.org/10.3141/1789-07

http://scholar.google.com...+Kim&publication_year=2002

Viscoelastic characterization of asphalt concrete in indirect tensile (IDT) testing and development of a simple performance test for fatigue cracking are described. A 50-mm gauge length was adopted to measure the horizontal and vertical deformations with surface-mounted linear variable differential transducers on an IDT specimen with a 100- or 150-mm diameter and 38-mm thickness. The effect of a concentrated load under loading strips on vertical displacement within the 50-mm gauge length was evaluated by the digital image correlation method, a noncontact, full-field displacement and strain measurement technique. The theory of viscoelasticity was used to develop analytical solutions for creep compliance and center strain from displacements measured on the specimen surface. These solutions were verified by three-dimensional finite element viscoelastic analysis. IDT creep and strength tests were performed on fine and coarse mixtures from WesTrack with various asphalt contents and air void contents, and various parameters determined from the analysis of these data were compared with the known fatigue performance of these mixtures from the WesTrack testing facility. The fracture energy obtained from viscoelastic analysis of the IDT strength test at 20 deg C correlated highly with the field performance of these mixtures at WesTrack.

This paper appears in Transportation Research Record No. 1789, Bituminous Paving Mixtures 2002.

English

p. 66-72

2002

Transportation Research Record

0309077141

Figures (7) ; References (11) ; Tables (2)

Air voids; Asphalt concrete; Asphalt content; Compliance; Correlation analysis; Cracking; Creep; Deformation; Fatigue (Mechanics); Finite element method; Pavement performance; Performance tests; Strain (Mechanics); Tension tests; Viscoelasticity

Data and Information Technology; Highways; Materials; I31: Bituminous Binders and Materials

TRIS, TRB, ATRI

Oct 3 2002 12:00AM

• AGGREGATE BLENDING FOR ASPHALT MIX DESIGN: BAILEY METHOD
• APPLICATION OF DIGITAL IMAGE CORRELATION METHOD TO MECHANICAL TESTING OF ASPHALT-AGGREGATE MIXTURES
• COARSE- VERSUS FINE-GRADED SUPERPAVE MIXTURES: COMPARATIVE EVALUATION OF RESISTANCE TO RUTTING
• COMPARISON OF FUNDAMENTAL AND SIMULATIVE TEST METHODS FOR EVALUATING PERMANENT DEFORMATION OF HOT-MIX ASPHALT
• DETERMINING THE LOW-TEMPERATURE FRACTURE TOUGHNESS OF ASPHALT MIXTURES
• DYNAMIC MODULUS OF ASPHALT CONCRETE WITH A HOLLOW CYLINDER TENSILE TESTER
• EFFECT OF AGGREGATE STRUCTURE ON RUTTING POTENTIAL OF DENSE-GRADED ASPHALT MIXTURES
• EFFECT OF FINE AGGREGATE ANGULARITY ON COMPACTION AND SHEARING RESISTANCE OF ASPHALT MIXTURES
• EVALUATION OF FATIGUE HEALING EFFECT OF ASPHALT CONCRETE BY PSEUDOSTIFFNESS
• EVALUATION OF MEASUREMENT TECHNIQUES FOR ASPHALT PAVEMENT DENSITY AND PERMEABILITY
• HISTORY AND FUTURE CHALLENGES OF GYRATORY COMPACTION: 1939 TO 2001
• INFLUENCE OF ASPHALT TACK COAT MATERIALS ON INTERFACE SHEAR STRENGTH
• LOUISIANA EXPERIENCE WITH CRUMB RUBBER-MODIFIED HOT-MIX ASPHALT PAVEMENT
• MICROMECHANICAL ANALYSIS OF VISCOELASTIC PROPERTIES OF ASPHALT CONCRETES
• PREDICTING VISCOELASTIC RESPONSE AND CRACK GROWTH IN ASPHALT MIXTURES WITH THE BOUNDARY ELEMENT METHOD
• ROUND-ROBIN STUDY FOR FIELD PERMEABILITY TEST
• RUNOFF CONTROL IN POROUS PAVEMENTS
• SHEAR PROPERTIES AS VIABLE MEASURES FOR CHARACTERIZATION OF PERMANENT DEFORMATION OF ASPHALT CONCRETE MIXTURES
• STANDARDIZED PROCEDURE FOR ANALYSIS OF DYNAMIC MODULUS \E*\ DATA TO PREDICT ASPHALT PAVEMENT DISTRESSES
• TARGET AND TOLERANCE STUDY FOR ANGLE OF GYRATION USED IN SUPERPAVE GYRATORY COMPACTOR
• TIME-TEMPERATURE SUPERPOSITION FOR ASPHALT CONCRETE AT LARGE COMPRESSIVE STRAINS
• TOWARD A MICROMECHANICS-BASED PROCEDURE TO CHARACTERIZE FATIGUE PERFORMANCE OF ASPHALT CONCRETE
• USE OF STIFFNESS OF HOT-MIX ASPHALT AS A SIMPLE PERFORMANCE TEST