Chapter
Apr 26, 2012
Relation of Stability Coefficient to Design Parameters for Curved Continuous Rigid Frame Bridges with Long-Span and High-Pier
Publication: ICCTP 2009: Critical Issues In Transportation Systems Planning, Development, and Management
Abstract
Based on the nonlinear theory, through changing the design parameters, the stability of model curve rigid frame bridges with long-span during cantilever construction was analyzed; The results show that the central angle of the curve dominated the stability coefficient; The nonlinear stability coefficient of bridge is 35% of eigenvalue flexure. Data was collected for a large number of long-span rigid frame bridge which have been built. Through comparison and classifying, the results indicate that the types of piers and its design parameters (the central angle of curve, slenderness ratio of piers, and the main pier types, the number of tie-girder) are related to the stability coefficient. The simple and creditable formulas can be taken as reference in designs.
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© 2009 American Society of Civil Engineers.
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Published online: Apr 26, 2012
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Professor, Doctor. Key Laboratory of Old Bridge Detection and Reinforcement Technique in Traffic Industry, Chang'an University, Xi'an, 710064, China.E-mail: [email protected]
Professor, Doctor. Key Laboratory of Old Bridge Detection and Reinforcement Technique in Traffic Industry, Chang'an University, Xi'an, 710064, China.E-mail: [email protected]
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