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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Equivalent Frame Method for
Author(s): Donald J. Fraser
Publication: Journal Proceedings
Appears on pages(s): 223-228
Keywords: beams (supports); concrete slabs; elastic analysis; fintie elemelt method; flexural strength; floors; frames;modulus of elasticity;moments; reinforced concrete; stiffness;structural analysis.
Abstract:Codes of practice for reinforced concrete buildings permit the use of an equivalent frame for the analysis of real beam-and-slab buildings. The success of the idealization requires that realistic data be available concerning the effective size of the equivalent beams and the initial joint moments corresponding to the type of load on the beam-slab structure. Many different rules appear in codes and other references for the evaluation of this infor-mation. From an extensive investigation of beam-slab structures, based on finite element analyses, simple rules are proposed for the evaluation of the effective flexural stiffness of the equivalent beams. Also, initial joint moments for three types of floor/beam loads may be evaluated.
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