POSSIBILITIES FOR THE IMPROVEMENT OF THE QUALITY OF DESIGN SOLUTIONS IN THE GRAVEL ROAD RECONSTRUCTION PROJECTS

This summary of the author's PhD thesis supervised by Prof Dr Donatas Cygas and defended on 25 February 2010 at the Vilnius Gediminas Technical University. The thesis is written in Lithuanian and is available from the author upon request. Chapter 1 gives analysis of Gravel Road Network and analysis of gravel roads Development in the Republic of Lithuania. Chapter 2 gives analysis of the road design standards of the Republic of Lithuania and foreign countries. Chapter 3 gives methodology of experimental investigations. Chapter 4 gives results of experimental investigations. Chapter 5 gives generalization of investigation results.