Description: Construction and installation work on strengthening the entrance tunnel section and the slope at its entrance. Execution of anchored steel frames, composed of HEB, UPN profiles, IBO and GEWI anchors.
Description: Construction and installation work for reinforcement of construction excavation - IBO anchors in combination with reinforced sprayed concrete.
Description: Installation of rod anchors type SAS ф28 with anti-corrosion coating - cold galvanized, injected with polyurethane resin MARITAN N, anchored minimum 4 m in solid rock for strengthening rock fragments at the archeological complex "Perperikon"
Description: Improvement of the ground base under foundations of steam washers by means of micropiles of self-drilling anchors type IBO R51N x 20 m to provide earthquake forces
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