Research on Design of Standard Simply Supported Beam of Subway Elevated Structure
With the development of urban rail transit in China,more and more elevated lines are put into operation.The elevated structure of subway is mainly composed of simply supported beams,and the structural forms are mainly divided into common types such as integral box girder,U-shaped beam and small box girder.Choosing a suitable beam type should not only consider the economy and aesthetics,but also consider whether the force is reasonable.Based on the first phase project of Changsha-Zhuzhou-Xiangtan West Ring Line(South Extension Line of Changsha Rail Transit Line 3),this paper analyzes the structural form of simply supported beam and optimizes its stiffness and deformation,which can provide reference for the subsequent design of simply supported beam.
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