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JOURNAL OF FACULTY OF CIVIL ENGINEERING 22, 2013.y., pp. 17-30


SELECTION OF RATIONAL METHOD OF ANALYSIS FOR REINFORCED CONCRETE FOLDED PLATE STRUCTURES REGARDING TO THEIR SPAN LENGTH
 
DOI: 10.14415/zbornikGFS22.002
UDC: 624.074:517.9
CC-BY-SA 4.0 license
Author : Danica Goleš, Dragan Milašinović, Žarko Živanov
 
 Summary:
 Two reinforced concrete folded plate structures of span length 20 and 30m are designed according to internal forces calculated using linear finite strip method. Diagrams of interaction with curves of fracture are drawn for selected characteristic cross-sections, using working diagrams of concrete and reinforcement according to Eurocode 2 and rheological-dynamical analogy. The ultimate load, at which the fracture of characteristic cross-sections occurs, is determined by successive increase of load through the geometric nonlinear analysis of structures using harmonic coupled finite strip method. Comparing the safety factors calculated from the results of linear and geometric nonlinear analysis, the conclusion about the rational method of analysis, regarding to the length of structure, is made.
 
 Keywords:
 Reinforced concrete, folded plate, finite strip method, linear analysis, geometric nonlinear analysis, span length