Soil Nailing for Enhancing Slope Stability

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This chapter explores the soil nailing technique, which is an innovative approach used for stabilizing slopes, embankments, tunnels, and retaining walls, and presents it as a versatile, cost-effective, and environmentally friendly solution among the various geotechnical stabilization measures. It provides a detailed examination of the favorable ground conditions for soil nailing, detailing its advantages and limitations compared to traditional stabilization methods. The narrative meticulously describes the installation processes crucial for the success of the technique and highlights potential failure modes to equip practitioners with the foresight required to mitigate risks. Emphasizing the response to soil nails pullout as a critical design parameter, the chapter evaluates the effects of grouting pressure, overburden pressure, soil dilation, degree of saturation, nail surface roughness, and borehole conditions on the pullout capacity through a comprehensive review of the literature. By scrutinizing construction parameters and their impact on design methodologies, the chapter advocates an organized and informed approach to soil nailing, emphasizing the importance of a multifaceted consideration of variables to achieve optimal slope stability.