What is one type of slope stability improvement technique?

Slope stability improvement techniques are essential for ensuring the safety and integrity of slopes in various engineering and construction contexts. Structural solutions play a crucial role in enhancing slope stability by providing physical support and reinforcement. This can include a variety of methods such as the construction of soil nails, retaining walls, and gabions.

These structural approaches work by redistributing the loads acting on a slope and providing resistance to sliding movements. For example, retaining walls not only hold back soil but also help to manage water drainage, which can significantly affect slope stability. Similarly, soil nails provide tensile support within a slope, enhancing its overall stability.

While other options like increased vegetation, soil compaction, and building retainer walls are indeed important aspects of slope management and can contribute to stability, the term "structural solutions" encapsulates a broader range of engineered interventions specifically designed to increase the factor of safety against failure. Therefore, focusing on structured supports is the most effective and widely recognized approach to improving slope stability in many contexts.