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Structural Engineering and Mechanics Volume 46, Number 4, May25 2013, pages 533-547 DOI: http://dx.doi.org/10.12989/sem.2013.46.4.533 |
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Collapse behaviour in reciprocal frame structures |
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Elsa Garavaglia, Attilio Pizzigoni, Luca Sgambi and Noemi Basso
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| Abstract | ||
| \"Reciprocal Frame\" refers to a self-supporting grid structure used both for floor and roof. Using Finite Element Methods for non-linear solid mechanics and frictional-contact, this paper intends to analytically and numerically investigate the collapse behaviour of a reciprocal frame structure made of fibrereinforced concrete. Considering a simple 3-beam structure, it has been investigated using a solid finite element model. Once defined the collapse behaviour of the simple structure, the analysis has been generalized using a concentrated plasticity finite element method. Results provided will be useful for studying generic reciprocal frame structures with several beams. | ||
| Key Words | ||
| reciprocal frame; nexorades; space structures; finite elements; collapse behaviour; temporary structures | ||
| Address | ||
| Elsa Garavaglia, Luca Sgambi and Noemi Basso : Department of Civil and Environmental Engineering, Politecnico di Milano, Milan, Italy Attilio Pizzigoni : Department of Design and Technology, Universita degli Studi di Bergamo, Bergamo, Italy | ||