Elasto-Plastic Bearing Capacity of Four Types of Single-Layer Reticulated Shell Structures Under Fire Hazards
Autor(en): |
Yin Bai
Lu Yang Lingfeng Gong |
---|---|
Medium: | Fachartikel |
Sprache(n): | Englisch |
Veröffentlicht in: | International Journal of Structural Stability and Dynamics, März 2015, n. 3, v. 15 |
Seite(n): | 1450051 |
DOI: | 10.1142/s0219455414500515 |
Abstrakt: |
Single-layer reticulated shells are widely used in spatial structures. One critical factor that has to be considered in the design of reticulated shells is the significant adverse impact of high temperature caused by fire on the structures. In order to study the variation of elasto-plastic bearing capacity under high temperature by fire, four types of single-layer reticulated shells (i.e. K6, Geodesic, Schwedler and Lamella) are investigated under two typical fire conditions (i.e. global nonuniform temperature distribution and local high temperature) by the geometrically and materially nonlinear analysis and statistical methods. Practical design formulae for calculating the elasto-plastic bearing capacity of reticulated shell structures under different fire conditions and ambient temperatures are proposed based on the numerical simulation results. |
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14.08.2019