American Society of Civil Engineers

Applied Element Simulation of RC Structures under Cyclic Loading

by Kimiro Meguro, (Doctor of Engrg., Assoc. Prof., Int. Ctr. for Disaster-Mitigation Engrg., Inst. of Industrial Sci., Univ. of Tokyo, 4-6-1 Komaba, Meguro-Ku, Tokyo 153-8505, Japan) and Hatem Tagel-Din, (Post-Doctorate Fellow, Inst. of Industrial Sci., Univ. of Tokyo, 4-6-1 Komaba, Meguro-Ku, Tokyo 153-8505, Japan)

Journal of Structural Engineering, Vol. 127, No. 11, November 2001, pp. 1295-1305, (doi:

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Document type: Journal Paper
Abstract: A new extension for the applied-element method for structural analysis is introduced. In this method, the structure is modeled as an assembly of elements made by dividing the structure virtually. This paper first introduces the element formulation of the applied-element method. Next, the effects of the element size and arrangement are discussed, and finally, the accuracy of the proposed method in a nonlinear material case is verified by studying the behavior of reinforced concrete structures under cyclic loading. For effects caused by the size and arrangement of the elements, it is shown that accurate results of stresses and strains can be obtained if elements of small size are used. As for failure behavior simulation of reinforced concrete structures, the complicated behavior of cracks in structures subjected to cyclic loading, such as crack initiation and propagation, opening and closure of cracks during the unloading process, can be simulated automatically and without any use of complicated techniques. No special knowledge about the crack location or direction of propagation is needed before the analysis. The calculated load-displacement relation and the failure load show reliable accuracy.

ASCE Subject Headings:
Concrete structures
Cyclic loads