Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 11 of 11 for “"Low Temperature Cracking"”.
-
An acoustic emission-based test to evaluate low temperature behavior of asphalt materials
Low temperature cracking in asphalt pavements located in cold climates is a major cause of pavement deterioration. Accurate evaluation of low temperature cracking behavior of asphalt materials is necessary in order to design pavements that are resistant to thermally induced cracking. Detrimental …
-
Characterization of Polymer Modified Asphalt Binders Containing Processed Oil
… Resin (PE). The binder was tested at different temperatures, and different amounts of modifiers and processed oil were added to the binder. The modified binders were also aged artificially using different procedures. The study found that adding processed oil to polymer modified binders reduces …
-
Comparative Evaluation of Field and Laboratory-Produced Foamed Asphalt Mixture from Reno, Nevada
… the repeated load triaxial (RLT) to measure the flow number (FN). The low-temperature cracking resistance of the mixtures was evaluated using the thermal stress restrained specimen test (TSRST). From this study it was determined that the HMA had better resistance to moisture damage and permanent …
-
Asphalt mixture evaluation using performance space diagrams, digital image correlation, and discrete element modeling
… method developed using traditional high and low temperature laboratory mixture test data to identify shifts in performance. Furthermore, little research has been completed using DIC strain fields throughout low temperature asphalt concrete fracture tests. Finally, there is a need for improved …
-
Impact of Aggregate Gradation on Airfield (P-401) Asphalt Mixture
… specification limits are finer, and the allowable ranges are more restrictive than control points for similar nominal maximum aggregate size mixtures within the Superpave mix design methodology. Ensuring the gradation specification limits requirements are allowing asphalt mix designers to …
-
Cracking potential of short- and long-term aged binder with various levels of ABR
… the additional rheological parameters for low-temperature cracking susceptibility and block and fatigue cracking were derived from various dynamic shear rheometer (DSR) and bending beam rheometer (BBR) tests. Binders from five AC designed with varying ABR percentages (from 0 to 60%) were …
-
Laboratory Comparison of Full Depth Reclamation Stabilization Techniques Using Arkansas Field Materials
… is a viable testing indicator for rutting and low temperature cracking, while creep compliance may not be suitable for FDR materials. The semi-circular bend test indicated that it is a testing option when using asphalt stabilized materials but another option may be needed for cement …
-
EXPLORING THE MASTER CURVE PARAMETERS FOR EFFICIENT PERFORMANCE GRADING OF ASPHALT BINDERS FROM THE UNITED STATES OF AMERICA
… indicators such as Tδ=30°, Tδ=45°, Intermediate Temperature Performance Grade (ITPG), and master curve parameters under slow and fast cooling rates. Significant correlations between DSR indicators at different cooling rates were observed. Considering efficiency in time consumption, fast cooling …
-
Characterization of Ohio Traffic Data for Integration into the Mechanistic-Empirical Pavement Design
… assimilates a hierarchal level concept that allows pavements to be designed using statewide averages and MEPDG default values without compromising the accuracy of the pavement design. In this study, a Visual Basic for Application (VBA) code was developed to analyze continuous traffic monitoring …
-
Effects of asphalt rejuvenator on thermal and mechanical properties of oxidized hot mixed asphalt
… (AE) testing for determining the embrittlement temperature of the mixtures. During the DC(T) testing the fracture energies and peak loads were used to measure the resistance of the rejuvenated asphalt to low temperature cracking. The AE testing monitored the emissions generated while the …
-
Development of a phenomenological constitutive model for fracture resistance degradation of asphalt concrete with damage growth due to repeated loading
… strength as microcracks grow at stress levels lower than the layer’s designed strength. In addition, this could be magnified when combined with low temperature cracking, one of the main distresses in AC pavements resulting from extreme temperature changes. When loading is applied near the …