Experimental Study and Numerical Analysis on the Progressive Collapse Resistance of SCMS
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With the Spokewise Cable-Membrane Structure (SCMS) of Foshan Century Lotus Sports Center (FCLSC) as the engineering background, this study analyzes the influence of the structure’s local cable damage on its holistic resistant behavior and investigates the resistance of SCMS against progressive collapse by means of scale model tests and ANSYS finite element analysis. Results indicate that SCMS exhibits good resistance against progressive collapse. After the upper radial cables or the lower radial cables break, their borne load is passed to the connected cables. Thus the collapse can be restricted within a limited area through the deformation and stress relaxation of the adjacent cables. In the design process, the cable system is divided into a finite number of partitions, and double cables could be used at the junctions of different partitions to better control the damaged area. The inverted Y-type or the polystyle pier column should be chosen to enhance the resilience after collision or explosion.
KeywordsSCMS Progressive collapse Model experiment Numerical analysis Lower radial cable Upper radial cable
This work was supported by the National Natural Science Foundation of China (Grant No. 51778060), Natural Science Foundation of Shaanxi Province (Grant No. 2016JM5050), and Special Fund for the Basic Scientific Research Service of the Central University (Grants Nos. 310828173401 and 310828173702).
Compliance with ethical standards
Conflict of interest
The authors declare that there is no conflict of interests regarding the publication of this paper.
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