2003•Journal of Hubei Polytechnic UniversityRequires access

Analysis of Ground Vibration in Viaduct System with Vibration Reduction Measure Based on "Timoshenko Beam" Model

Sun Hong

Abstract

In railway system, the upper viaduct is modeled with Timoshenko beam, while the column and the lower parts are modeled with finite element method. By the discrete calculation, the support counterforce of Timoshenko beam subjected to a few moving loads is worked out. Then each counterforce is used as an input force in the finite element models. As a result, the dynamic response of ground with and without open drain can be calculated and compared.

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Key concepts: Timoshenko beam theory, Vibration, Structural engineering, Finite element method, Beam (structure), Reduction (mathematics), Measure (data warehouse), Engineering