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technical aspects of cables stayed bridges
Engineering and Construction
Pages 8 (2008 words)
TECHNICAL ASPECTS OF CABLE-STAYED BRIDGES By Name Presented to Instructor Institution Course Date Table of Contents Table of Figures 3 Executive Summary 4 Introduction 5 Configuration of Cable-Stayed Bridges 6 Cables 7 Girders 8 Conclusion 8 Bibliography 9 Appendix 1.0: Figures 10 Table of Figures Figure 1: The Idea of a simple cable-stayed bridge 11 Figure 2: Inclined Stay Cable 11 Figure 3: Initial cable press-stress calculation process 11 Figure 4: Dynamic Response of a stay cable in a real cable-stayed bridge.
In simple terms, cable-stayed bridges carry mainly vertical loads that act on the girder. Immediate support for the girder is provided by the stay cables so that the bridge can extend over a long distance. Basically, the structure of a cable-stayed bridge is such that it is constructed of a series of overlapping triangles made up of the tower, the pylon, the girder and the cables, which are usually under axial forces, and are considered flexural and efficient. The cables are always under tension whereas the girder and the pylon are under compression. This report looks at the history of cable stay bridges, examines the configuration and design structure, technical requirements, offers a description of various bridge structures and an analysis of the bridge structures. The report concludes by offering recommendations for stay-cable design, installation and testing. Introduction A first glance at cable-stayed bridges raises some interesting questions from both the public and bridge engineers, who find them technically challenging and innovative, as well as the architects. The cable-stayed bridges attracted public attention when the Stromsund Bridge in Sweden was completed. ...
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