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A Discrete Model for the Estimation of the Elastic Abutment Stiffness

by Emmanuel Maragakis, Univ of Nevada-Reno, Reno, NV, USA,



Document Type: Proceeding Paper

Part of: Dynamic Response of Structures

Abstract:

The purpose of this paper is the presentation of a simple method for the estimation of the abutment stiffness. In this method, the abutment is represented as a uniform rigid plate with soil deposits on both sides. Each soil deposit is divided into smaller discrete soil layers with independently determined constants. The abutment stiffness is evaluated by using the static equation of equilibrium of the system in a displaced position.

Subject Headings: Bridge abutments | Elastic analysis | Stiffening | Soil analysis | Dynamic structural analysis | Soil-structure interaction | Bridge foundations

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