Journal
THIN-WALLED STRUCTURES
Volume 86, Issue -, Pages 1-9Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.tws.2014.08.006
Keywords
Single-layer spatial structures; Semi-rigid joints; Experiments; Bending-stiffness; FEA model
Categories
Funding
- Natural Science Foundation of China [51308153]
- China Postdoctoral Science Foundation [2013M531020]
- Fundamental Research Funds for the Central Universities [HIT. NSRIF. 2014099]
- International Program Development Fund from the University of Sydney
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Most existing studies on single-layer spatial structures with semi-rigid joints were focused on spherical domes. The present paper analyzed the squared plan-form single-layer structures, examining the influence of joint-rigidity on the mechanical performances of the structures. An experiment has been conducted on a 5 x 6 m single-layer cylindrical reticulated shell with semi-rigid bolt-ball joints. The mechanical performance of the latticed shell is investigated in detail. Finite element analysis (FEA) model of the latticed shell is established taking material and geometric nonlinearities into account. The results show that the behavior determined using the FEA models correlates well with the experimentally observed behavior for the single-layer structures with semi-rigid joints. (C) 2014 Elsevier Ltd. All rights reserved.
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