Designing landslide mitigation structures using numerical methods

Marina Pirulli, Andrea Pasqua, Alessandro Leonardi

Fast-moving, flow-like landslides are among the most hazardous natural phenomena, posing significant threats to infrastructure, the environment, and human safety. Mitigation typically involves engineered structures, such as rigid or flexible barriers, designed to stop, deflect, or slow the flow. However, the design of these systems often relies on empirical methods that oversimplify the complex dynamics of landslide-barrier interactions, limiting their effectiveness and versatility.  
Numerical modeling provides a promising alternative by offering deeper insights into the interactions between landslides and protective structures. This study investigates how different modeling approaches can contribute in capturing the intricate behaviors of flow-like landslides and their impact on barriers. By analyzing both process dynamics and structural responses, the research identifies critical parameters that can enhance the design and performance of mitigation measures.
The findings highlight the potential of numerical approaches to refine design processes, improve barrier efficiency, and bridge the gap between traditional empirical methods and innovative engineering solutions for managing landslide risks.