Macmat HS

The Punta Catalina thermoelectric power plant is the most important electricity generator in the Dominican Republic, as it produces 30% of the country's electricity. Its source of generation is coal, and as a byproduct of this process, residue known as ASH is produced. This ash is destined for confined cells due to its high content of heavy metals, preventing environmental damage to both the subsoil and the dispersal of volatile ashes in the air.

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The slope along the railway between km 65. 881 and km 66. 019 in Osterburken in had to be secured against landslides and erosion. The rehabilitation area is located on the right-hand side of the railway directly before the entrance to the Schefflenzer tunnel. The construction area is classified as an approx. 17m deep cut. The area to be rehabilitated had a total length of approx. 110m with a slope inclination of 30°-35°. The sloping length of the embankment was approx. 24m long in the heighest point and 14m in the shortest part. As a result of heavy rainfall in early February 2022, a superficial landslide occurred in the area around km 65. 980. The area of the landslide extended was 9. 0m (parallel to the track) to approx. 5. 0m (fall line).

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In the Gldani district of Tbilisi, a steep slope adjacent to a roadway was experiencing rockfalls and surface erosion due to weathering, freeze-thaw cycles, and rainfall. These processes caused fragmented rock material to detach and accumulate on the road, posing significant risks to traffic safety and vehicle integrity. Additionally, progressive surface erosion compromised the slope’s stability, increasing the likelihood of larger-scale failures. Given the ongoing hazard and public safety concerns, an urgent and durable remedial solution was required.

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