Browsing by Author "Brown, E. Ray"

Now showing items 1-8 of 8

Calibration of Fatigue Transfer Functions for Mechanistic-Empirical Flexible Pavement Design

Priest, Angela (2005-12-15)

As agencies continue to adopt mechanistic-empirical (M-E) pavement design, the need for locally calibrated transfer functions will continue to increase. Transfer functions are the critical link from mechanical pavement ...

Evaluation of New Technologies for Use in Warm Mix Asphalt

Hurley, Graham (2006-08-15)

Several new processes have been developed with the goal of reducing the mixing and compaction temperatures of hot mix asphalt without sacrificing the quality of the resulting pavement. Three potential Warm Mix Asphalt ...

Evaluation of the Use of Reclaimed Asphalt Pavement in Stone Matrix Asphalt Mixtures

Vargas, Adriana (2007-12-15)

Mixtures that contain reclaimed asphalt pavement (RAP) can typically perform as well or better than conventional HMA mixes. However, use of RAP has generally not been extended to stone matrix asphalt (SMA) production. This ...

Investigation of Permeable Asphalt Treated Bases in Alabama

Wielinski, Jason (2007-05-15)

The Alabama Department of Transportation currently uses a permeable asphalt treated base (PATB) course layer consisting of an AASHTO number 57 aggregate gradation with 2.0% to 2.5% asphalt content. The current mixture ...

Laboratory Refinement of 4.75 mm Superpave Designed Asphalt Mixtures

Rausch, David (2006-12-15)

In 2004 a pooled fund study was initiated to refine mix design criteria for 4.75mm NMAS Superpave designed mixes and field validate design criteria. Nine states were participants in this study, Alabama, Connecticut, Florida, ...

Predicting Field Performance on the NCAT Pavement Test Track

Powell, Raymond (2006-08-15)

An experimental facility has been constructed near the campus of Auburn University for the purpose of conducting research to extend the life of flexible pavements. Experimental sections on the 2.8 kilometer Pavement Test ...

Relationships Between Laboratory Measured Characteristics of HMA and Field Compactability

Leiva, Fabricio (2007-12-15)

Compactability of HMA mixtures is often used to describe how easy or difficult a mixture is to compact on a roadway. Several asphalt researchers have proposed laboratory measured parameters of mixtures and/or their ...

Verification of the Superpave Gyratory Ndesign Compaction Levels

Prowell, Brian (2006-05-15)

The original Superpave Ndesign table contained 28 levels based on a limited laboratory experiment. This was later consolidated to 4 levels based on the sensitivity of mixture volumetric properties to Ndesign; however, ...