A Geotechnical Analysis System with Applications for Drilled Shaft Foundations

by Kirk L. Gunsallus, Cornell Univ, United States,
Fred H. Kulhawy, Cornell Univ, United States,
Anthony R. Ingraffea, Cornell Univ, United States,

Document Type: Proceeding Paper

Part of: Foundation Engineering: Current Principles and Practices


The development and components of a geotechnical analysis system are described and illustrated for drilled shaft foundations. This finite element-based analysis system incorporates several nonlinear material models of increasing sophistication. Both excavation and construction are modeled to simulate shaft construction. Nonlinear and cross-anisotropic variations in the in-situ stresses can be specified. The system verification is discussed and its use demonstrated with belled shafts.

Subject Headings: System analysis | Geotechnical investigation | Drilled shafts | Shafts | Axial loads | Finite element method | Nonlinear analysis | Nonlinear response

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