Analysis of Prestressed Concrete Bridges Constructed by the Cantilever Method in Service Stage
Keywords:
cantilever method, Time- Dependent deformations, creep of concrete, Age-Adjusted Effective Modulus.Abstract
The research presents a proposed algorithm for calculating time-dependent deformations in bridges constructed by cantilever method. In this algorithm, creep deformations are analyzed using "Age-Adjusted Effective Modulus" and Principle of Superposition, Also the forces resulting from these deformations are calculated. The proposed algorithm was used to create a computer program to calculate these deformations. This program was used to analyze the Kędzierzyn-Koźle bridge in Poland. The results showed the importance of the additional forces resulting from the time-dependent deformations and the need to take them into account in the design.
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