Detection of Pretension Loss of Cable-Net Structures
Due to aesthetic shapes, light weight and flexibility, cable-net structures have been widely used as roofs for venues where many people assemble, such as sports stadiums/arenas and gymnasiums. Failure of this type of structure may endanger the safety of many people. This type of structure consists of a separate grid of structural cables supporting a nonstructural weather shield. It is well known that the stiffness of this type of structure is established by pretension in the cables. Part of the pretension in the cables will be lost as time evolves. The detection of the pretension loss in cables of cable-stayed bridges has been widely studied. However, the detection of pretension loss in cables of cable-net structures has been lacking. In this study, the dynamic and static properties of cable-net structures will be investigated and the effectiveness of two damage detection approaches in detecting the pretension loss in cable-net structures will be investigated.
G. G. Yan et al., "Detection of Pretension Loss of Cable-Net Structures," Proceedings of the ASME 2015 Conference on Smart Materials, Adaptive Structures and Intelligent Systems (2015, Colorado Springs, CO), vol. 2, American Society of Mechanical Engineers (ASME), Sep 2015.
The definitive version is available at https://doi.org/10.1115/SMASIS2015-8978
ASME 2015 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, SMASIS 2015 (2015: Sep. 21-23, Colorado Springs, CO)
Civil, Architectural and Environmental Engineering
Keywords and Phrases
Bridge cables; Cable stayed bridges; Cable supported roofs; Damage detection; Energy harvesting; Intelligent materials; Intelligent systems; Structural health monitoring; Cable net structures; Detection approach; Light weight; Non-structural; Sports stadiums; Static properties; Structural cables; Cables
International Standard Book Number (ISBN)
Article - Conference proceedings
© 2015 American Society of Mechanical Engineers (ASME), All rights reserved.
01 Sep 2015
The authors greatly appreciate the financial support from the National Science Foundation, the Hazard Mitigation and Structural Engineering program, through the project of "Damage and Instability Detection of Civil Large-scale Space Structures under Operational and Multi-hazard Environments" (Award No.: 1405023).