Passive composite anchors for landslide stabilization: an Italian-Polish research program

The North-Eastern Italy and the Polish part of the Carpathians are subject to high hydro-geological hazard due to its climatic, geological and geomorphological conformation, often inducing damages or destruction of resi-dential development, economic and transport infrastructures. Thus, the search for cost-effective solutions for risk mitigation and slope stabilization is fundamental in both the regions. The paper introduces a research pro-gram that developed an innovative technique for landslide stabilization, named composite anchors, improve-ment of the Soil Nailing, which consists of installing special passive sub-horizontal reinforcements in unstable slopes. After a brief overview on the main technical aspects, two real applications of passive reinforcements on slow-moving translational landslides are proposed.