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What is Thermal Effects on Precast Girders about?
This document summarizes a study on the behavior of precast prestressed concrete bridge girders during construction when subjected to thermal effects and initial imperfections. The study developed a 3D nonlinear finite element analysis to evaluate a 30-m long prestressed concrete girder under thermal loads and geometry imperfections at different construction stages. The analysis found the girder could become unstable if the total lateral deformation at mid-span exceeded about 25 cm. Previous research indica
- Author
- sam
- Language
- EN