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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: Deterministic Design Procedure for Ductile Frames in Seismic Areas
Author(s): Thomas Paulay
Publication: Special Publication
Appears on pages(s): 357-382
Keywords: beam-column frame; beams (supports); bond (concrete to reinforcement); columns(supports): deformation; ductility; earthquake resistant structures; failures; flexural strength; frames; joints (junctions); lateral pressure;
Abstract:The concepts of capacity design philosophy, which aims to ensure a desirable sequence in the plastification of ductile frames during severe seismic excitation, are introduced, In the establishment of desirable strength hierarchies the relationship between beam load inputs and ideal column strengths are examined in detail. Simple procedures, that recognise relative strength values and general characteristics of dynamic behavior, are proposed for the evaluation of moments, axial and shear forces for columns of frames. The proposals intend to ensure a high degree of protection against premature damage to columns, and to eliminate the possibility of concentrated energy dissipation in storey mechanisms in frarnes that may be subjected to unidirectional earthquake attack or to concurrent orthogonal seismic excitations. Because hinging is not expected in upper storey columns, the re-quirements for confining reinforcement in the end regions of these columns can be greatly relaxed.
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