College - Author 1
College of Architecture and Environmental Design
Department - Author 1
Construction Management Department
Degree Name - Author 1
BS in Construction Management
Date
6-2025
Primary Advisor/Subject Matter Expert (SME)
Bryan Knakiewicz, College of Architecture and Environmental Design, Construction Management Department
Abstract/Summary
Soil nailing is becoming a popular method in construction projects to anchor retaining walls into soil. To maximize installation success rates and minimize pullout failure during testing, this case study examines efficient techniques and installation protocols for soil nails in unstable substrates through research and studying an active construction site utilizing soil nails. In geotechnical engineering, unstable soil conditions present serious difficulties that frequently result in delays, cost overruns, and compromised structural integrity. This study determines the main elements affecting nail performance by carefully examining field data, installation trials, and performance testing. Using real life experience and in-depth research of installation guides, this study aims to create an optimized method of installing soil nails in any substrate. Optimizing processes to strengthen the bond between the nail and the surrounding soil are given special attention, especially in substrates that are loose or sensitive to moisture. According to the results, customized installation techniques like pre-grouting, having accurate geotechnical analysis, and real-time monitoring significantly reduce the rate of pullout failure and delay of project timelines. This research provides a practical framework for engineers seeking to implement cost-effective, reliable soil nail solutions in challenging geotechnical environments.
URL: https://digitalcommons.calpoly.edu/cmsp/1014
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