Techno Press

Steel and Composite Structures   Volume 15, Number 5, November 2013, pages 567-583
Effects of tendon damage on static and dynamic behavior of CFTA girder
Thuy Dung Vu, Sang Yoon Lee, Sandeep Chaudhary and Dookie Kim

Abstract     [Full Text]
    Experimental studies and finite element analyses have been carried out to establish the effect of tendon damage on the structural behavior of concrete filled tubular tied arch girder (CFTA girder). The damage of tendon is considered in different stages by varying the number of damaged cables in the tendon. Static and dynamic structural parameters are observed at each stage. The results obtained from the experiments and numerical studies have been compared to validate the studies. The tendons whose damage can significantly affect the stiffness of the CFTA girder are identified by performing the sensitivity analysis. The locations in the girder which are sensitive to the tendon damage are also identified.
Key Words
    bridge design; composite structure; concrete filled tubular tied arch; CFTA girder; dynamic behavior; static behaviour
(1) Thuy Dung Vu and Dookie Kim: Department of Civil and Environmental Engineering, Kunsan National University, Jeonbuk, Republic of Korea;
(2) Sang Yoon Lee: Structural Engineering & Bridge Research Division, Korea Institute of Construction Technology, Gyeonggi-Do, Republic of Korea;
(3) Sandeep Chaudhary: Department of Civil Engineering, Malaviya National Institute of Technology Jaipur, India.

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