Beams on Elastic Foundations: A New Approach

by C. V. Girija Vallabhan, Texas Tech Univ, United States,
Y. C. Das, Texas Tech Univ, United States,

Document Type: Proceeding Paper

Part of: Foundation Engineering: Current Principles and Practices


Using the Vlasov model, Vallabhan and Das have developed an effective iterative technique to solve the beam-on-elastic-foundation problem where the soil is assumed to have a uniform thickness with a rigid base at the bottom. Geotechnical engineers usually encounter subsoil of finite depth, and normally the elastic properties are considered to remain constant or vary linearly with depth. In this paper, the authors have extended their model to incorporate numerically this physical characteristic of the soil. Even though the deviations may look laborious, the numerical model is quite simple and can be programmed on a desktop computer.

Subject Headings: Elastic foundations | Beams | Elastic analysis | Computer models | Soil properties | Mathematical models | Structural models | Numerical models

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