Field Performance of a Soil Nail System in Loessby Carlton L. Ho, Washington State Univ, United States,
Harald P. Ludwig, Washington State Univ, United States,
Richard J. Fragaszy, Washington State Univ, United States,
K. Ronald Chapman, Washington State Univ, United States,
Abstract: This paper presents data from measurements of a soil nail system constructed in loess soil in Pullman, Washington. The soil nail system is designed to retain a 39.2 ft (11.9 m) high excavation for the foundation of an extension to an academic research building on the Washington State University campus. This structure is also being constructed adjacent to existing masonry clad reinforced concrete structures. Due to the existing structures, close control on the displacement was desired. Survey points around the site and on the adjacent structures were used to measure surfacial settlement. Strain gages on selected soil nails were used to evaluate the load transfer from the soil to the soil nail. Pull-out tests were used to evaluate the capacity of the soil nails.
Subject Headings: Soil nailing | Loess | Soil strength | Soil stabilization | Soil stress | Building design | Colleges and universities | Foundation design | Washington | North America | United States
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