Optimal design for the reinforced concrete circular isolated footings

Lopez-Chavarria, Sandra; Luevanos-Rojas, Arnulfo; Medina-Elizondo, Manuel; Sandoval-Rivas, Ricardo; Velazquez-Santillan, Francisco

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자료유형: 학술저널

저자정보: Lopez-Chavarria, Sandra (Department of Civil Engineering, Korean Advanced Institute for Science and Technology) Luevanos-Rojas, Arnulfo (Department of Civil Engineering, Korean Advanced Institute for Science and Technology) Medina-Elizondo, Manuel (Department of Civil Engineering, Korean Advanced Institute for Science and Technology) Sandoval-Rivas, Ricardo (Department of Civil Engineering, Korean Advanced Institute for Science and Technology) Velazquez-Santillan, Francisco (Department of Civil Engineering, Korean Advanced Institute for Science and Technology)

저널정보: 테크노프레스 Advances in computational design Advances in computational design 제4권 제3호

발행연도: 2019.1

수록면: 273 - 294 (22page)

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In this paper is presented the minimum cost (optimal design) for reinforced concrete circular isolated footings based on an analytic model. This model considers a load and two moments in directions of the X and Y axes, and the pressure has a variation linear, these are the effects that act on the footing. The minimum cost (optimal design) and the Maple program are shown in Flowcharts. Two numerical experiments are shown to obtain the minimum cost design of the two materials that are used for a circular footing supporting an axial load and moments in two directions in accordance to the code of the ACI (American Concrete Institute), and it is compared against the current design (uniform pressure). Also, the same examples are developed through the normal procedure to verify the minimum cost (optimal design) presented in this document, i.e., the equations of moment, bending shear and punching shear are used to check the thickness, and after, the steel areas of the footing are obtained, and it is compared against the current design (uniform pressure). Results section show that the optimal design is more accurate and more economical than to any other model. Therefore, it is concluded that the optimized design model presented in this paper should be used to obtain the minimum cost design for the circular isolated footings.

#optimal design #reinforced concrete circular isolated footings #minimum cost design #moments #bending shear #punching shear

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