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Accuracy of the Two Common Semi-Analytical Equations in Predicting Asphalt
 

Summary: Accuracy of the Two Common Semi-
Analytical Equations in Predicting Asphalt
Permeability
M. Emin Kutay* -- Ahmet H. Aydilek**
*Research Engineer,
Turner-Fairbank Highway Research Center (TFHRC)
6300 Georgetown Pike,
McLean, Virginia 22101, USA.
mkutay@fhwa.dot.gov
** Assistant Professor,
Civil and Environmental Engineering
1163 Glenn Martin Hall, University of Maryland
College Park, Maryland 20742, USA
aydilek@eng.umd.edu
ABSTRACT: Three-dimensional internal pore structures of various asphalt specimens
with varying mix-designs and compaction levels were generated using X-ray Computed
Tomography (CT) technique. Pore structure parameters were computed using image
processing algorithms and estimated permeabilities using two semi-analytical equations were
compared to laboratory-based vertical permeability. Furthermore, an analysis method was
proposed to improve the accuracy of the equations.

  

Source: Aydilek, Ahmet - Department of Civil and Environmental Engineering, University of Maryland at College Park

 

Collections: Engineering