Optimal design for rectangular isolated footings using the real soil pressure
The standard design method (classical method) for reinforced concrete rectangular footings is: First, a dimension is proposed and should comply with the allowable stresses; subsequently, the effective depth is obtained from the maximum moment and is checked against the bending shear and the punching...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
Universidad Nacional de Colombia
2017-05-01
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| Series: | Ingeniería e Investigación |
| Subjects: | |
| Online Access: | https://revistas.unal.edu.co/index.php/ingeinv/article/view/61447 |
| _version_ | 1811331263434326016 |
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| author | Arnulfo Luévanos Rojas S López Chavarría M Medina Elizondo |
| author_facet | Arnulfo Luévanos Rojas S López Chavarría M Medina Elizondo |
| author_sort | Arnulfo Luévanos Rojas |
| collection | DOAJ |
| description | The standard design method (classical method) for reinforced concrete rectangular footings is: First, a dimension is proposed and should comply with the allowable stresses; subsequently, the effective depth is obtained from the maximum moment and is checked against the bending shear and the punching shear until, it complies with these conditions and, then, steel reinforcement is obtained, but it is not guarantee that the minimum cost will be obtained. This paper shows an optimal design for reinforced concrete rectangular footings using the new model. A numerical experimentation is presented to show the model capability to estimate the minimum cost design of the materials used for a rectangular footing that supports an axial load and moments in two directions in accordance to the building code requirements for structural concrete and commentary (ACI 318-13). Also, a comparison is made between the optimal design and current design for rectangular footings. The solutions show that the optimal design is more economical and more precise with respect to the current design, because standard design is done by trial and error. Then, the optimal design should be used to obtain the minimum cost design for reinforced concrete rectangular footings. |
| first_indexed | 2024-04-13T16:18:09Z |
| format | Article |
| id | doaj.art-5902c3b5593b466f984c9d1dd3531160 |
| institution | Directory Open Access Journal |
| issn | 0120-5609 2248-8723 |
| language | English |
| last_indexed | 2024-04-13T16:18:09Z |
| publishDate | 2017-05-01 |
| publisher | Universidad Nacional de Colombia |
| record_format | Article |
| series | Ingeniería e Investigación |
| spelling | doaj.art-5902c3b5593b466f984c9d1dd35311602022-12-22T02:40:01ZengUniversidad Nacional de ColombiaIngeniería e Investigación0120-56092248-87232017-05-01372253310.15446/ing.investig.v37n2.6144746308Optimal design for rectangular isolated footings using the real soil pressureArnulfo Luévanos Rojas0S López Chavarría1M Medina Elizondo2Autonomous University of CoahuilaUniversidad Autónoma de CoahuilaUniversidad Autónoma de CoahuilaThe standard design method (classical method) for reinforced concrete rectangular footings is: First, a dimension is proposed and should comply with the allowable stresses; subsequently, the effective depth is obtained from the maximum moment and is checked against the bending shear and the punching shear until, it complies with these conditions and, then, steel reinforcement is obtained, but it is not guarantee that the minimum cost will be obtained. This paper shows an optimal design for reinforced concrete rectangular footings using the new model. A numerical experimentation is presented to show the model capability to estimate the minimum cost design of the materials used for a rectangular footing that supports an axial load and moments in two directions in accordance to the building code requirements for structural concrete and commentary (ACI 318-13). Also, a comparison is made between the optimal design and current design for rectangular footings. The solutions show that the optimal design is more economical and more precise with respect to the current design, because standard design is done by trial and error. Then, the optimal design should be used to obtain the minimum cost design for reinforced concrete rectangular footings.https://revistas.unal.edu.co/index.php/ingeinv/article/view/61447optimal designreinforced concrete rectangular footingsminimum cost designmomentsbending shearpunching shear |
| spellingShingle | Arnulfo Luévanos Rojas S López Chavarría M Medina Elizondo Optimal design for rectangular isolated footings using the real soil pressure Ingeniería e Investigación optimal design reinforced concrete rectangular footings minimum cost design moments bending shear punching shear |
| title | Optimal design for rectangular isolated footings using the real soil pressure |
| title_full | Optimal design for rectangular isolated footings using the real soil pressure |
| title_fullStr | Optimal design for rectangular isolated footings using the real soil pressure |
| title_full_unstemmed | Optimal design for rectangular isolated footings using the real soil pressure |
| title_short | Optimal design for rectangular isolated footings using the real soil pressure |
| title_sort | optimal design for rectangular isolated footings using the real soil pressure |
| topic | optimal design reinforced concrete rectangular footings minimum cost design moments bending shear punching shear |
| url | https://revistas.unal.edu.co/index.php/ingeinv/article/view/61447 |
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