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DESIGN SOLUTIONS FOR ROAD WIDENING AND STABILIZATION IN COMPLEX GEOTECHNICAL CONDITIONS

Abstract

This paper presents two solutions for reconstruction, widening and stabilization of the state road R1202, section to Bigorski Monastery of St. Jovan Krstitel, municipality of Mavrovo and Rostushe. The main goal of the widening is to ensure a safe construction because it is located in a cut on a very steep slope, without the possibility of cutting in the terrain, which is talus slope made from deposited material. Therefore, two solutions have been proposed to ensure the stability of the widened road, the first with a shallow foundation retaining wall stabilized by anchors in the base, tension beams in the road body ending in wells. The second solution provide a system consisting of columns founded on piles, tension beams in the body on the road that end with wells and a concrete slab on which the upper structure is constructed. From the conducted analysis of the two solutions, the second solution is more optimal from an economic and construction point of view and is recommended for construction.

Authors
1. Assoc. prof Susinov Bojan
2. Assoc. prof Abazi Sead
3. Prof. Gjorgjevski Spasen
4. Prof Jovanovski Milorad
Keywords
Piles, retaining wall, road widening, slope, stabilization.

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