Geotechnical Engineering Circular No. 7 - Soil Nail Walls

Federal Highway Administration2003PDFTech ReportLazarte, Carlos A.Elias, VictorSabatini, P. J.Espinoza, R. DavidUnited States. Federal Highway Administration. Office of Technology ApplicationsGeoSyntec ConsultantsDiMaggio, Jerry A.Chang, Chien-TanUnited States. Federal Highway Administration. Office of Technology ApplicationsUnited StatesSoil nailingSoil stabilizationRetaining wallsTestingShotcreteDesignSpecificationssoil nailingsoil nail wallssoil nail testingshotcretesoil nail wall designsoil nailing specificationsService Load DesignAllowable Stress DesignFHWA-IF-03-017DTFH61-00-C-00109Chang, Chien-TanFHWA Technical Consultant: J.A. DiMaggio, P.E. (HIBT-20); Contracting Officer Technical Representative (COTR): Chien-Tan Chang (HTA-22).This document presents information on the analysis, design, and construction of soil nail walls in highway applications. The main objective is to provide practitioners in this field with sound and simple methods and guidelines that will allow them to analyze, design, and construct safe and economical structures. This document updates information contained in FHWA-SA-96-069R (Byrne et al., 1998). The focus is on soil nailing techniques that are commonly used in the U.S. practice. The contents of this document include: an introduction, a chapter on applications and feasibility, descriptions and guidelines for field and laboratory testing in soil nailing applications, descriptions of the common U.S. practice, analysis and design of soil nail walls, chapters on contracting approach and technical specifications and design examples. Because of the popularity of the Allowable Stress Design (ASD) method [also known as Service Load Design (SLD)] among practitioners, the methods presented in this document are based on the ASD method.97