Evaluation of long term glass-grid test section using unique method

The objective of this project was to evaluate glass-grid reinforced test section after 12 years of service. Test section was established in 2001, on the street which was subjected to the deep reconstruction. The total length of test section was approximately 700 m and was divided into two subsections, with and without the glass-grid installed between asphalt sub-base and asphalt binder course. Effectiveness of the grid reinforcement was evaluated in 2004, 2008 and 2012. The evaluation of data comprised the maximum deflection comparison as well as deflection bowl geometry analysis. The geometry analysis was based on the hypothetical shape of the deflection bowl that was virtually divided into the arch segments written between 3 consecutive points. Reinforced sections were characterized by greater arch radiuses than on the control section. It was recognized as the measurable reinforcing effect of the glass-grid on the pavement fatigue life. Maximum deflections growth was higher on the unreinforced section and more deteriorations were observed on the unreinforced section.


  • English

Media Info

  • Pagination: 10p
  • Monograph Title: Transport Research Arena (TRA) 2014 Proceedings

Subject/Index Terms

Filing Info

  • Accession Number: 01534670
  • Record Type: Publication
  • Source Agency: ARRB
  • Files: VTI, TRIS, ATRI
  • Created Date: Aug 14 2014 10:17AM