Enhanced Seismic Structural Reliability on Reinforced Concrete Buildings by Using Buckling Restrained Braces
The control of vibrations and damage in traditional reinforced concrete (RC) buildings under earthquakes is a difficult task. It requires the use of innovative devices to enhance the seismic behavior of concrete buildings. In this paper, we design RC buildings with buckling restrained braces (BRBs)...
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| Format: | Article |
| Language: | English |
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Wiley
2021-01-01
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| Series: | Shock and Vibration |
| Online Access: | http://dx.doi.org/10.1155/2021/8816552 |
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| author | Victor Baca Juan Bojórquez Edén Bojórquez Herian Leyva Alfredo Reyes-Salazar Sonia E. Ruiz Antonio Formisano Leonardo Palemón Robespierre Chávez Manuel Barraza |
| author_facet | Victor Baca Juan Bojórquez Edén Bojórquez Herian Leyva Alfredo Reyes-Salazar Sonia E. Ruiz Antonio Formisano Leonardo Palemón Robespierre Chávez Manuel Barraza |
| author_sort | Victor Baca |
| collection | DOAJ |
| description | The control of vibrations and damage in traditional reinforced concrete (RC) buildings under earthquakes is a difficult task. It requires the use of innovative devices to enhance the seismic behavior of concrete buildings. In this paper, we design RC buildings with buckling restrained braces (BRBs) to achieve this objective. For this aim, three traditional RC framed structures with 3, 6, and 9 story levels are designed by using the well-known technique nondominated sorting genetic algorithm (NSGA-II) in order to reduce the cost and maximize the seismic performance. Then, equivalent RC buildings are designed but including buckling restrained braces. Both structural systems are subjected to several narrow-band ground motions recorded at soft soil sites of Mexico City scaled at different levels of intensities in terms of the spectral acceleration at first mode of vibration of the structure Sa(T1). Then, incremental dynamic analysis, seismic fragility, and structural reliability in terms of the maximum interstory drift are computed for all the buildings. For the three selected structures and the equivalent models with BRBs, it is concluded that the annual rate of exceedance is considerably reduced when BRBs are incorporated. For this reason, the structural reliability of the RC buildings with BRBs has a better behavior in comparison with the traditional reinforced concrete buildings. The use of BRBs is a good option to improve strength and seismic behavior and hence the structural reliability of RC buildings subjected to strong earthquake ground motions. |
| format | Article |
| id | doaj-art-5a34f42af0784421a4a0b94ec1f6f167 |
| institution | Kabale University |
| issn | 1070-9622 1875-9203 |
| language | English |
| publishDate | 2021-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Shock and Vibration |
| spelling | doaj-art-5a34f42af0784421a4a0b94ec1f6f1672025-02-03T06:46:43ZengWileyShock and Vibration1070-96221875-92032021-01-01202110.1155/2021/88165528816552Enhanced Seismic Structural Reliability on Reinforced Concrete Buildings by Using Buckling Restrained BracesVictor Baca0Juan Bojórquez1Edén Bojórquez2Herian Leyva3Alfredo Reyes-Salazar4Sonia E. Ruiz5Antonio Formisano6Leonardo Palemón7Robespierre Chávez8Manuel Barraza9Facultad de Ingeniería, Universidad Autónoma de Sinaloa, Culiacán 80040, MexicoFacultad de Ingeniería, Universidad Autónoma de Sinaloa, Culiacán 80040, MexicoFacultad de Ingeniería, Universidad Autónoma de Sinaloa, Culiacán 80040, MexicoFacultad de Ingeniería, Universidad Autónoma de Sinaloa, Culiacán 80040, MexicoFacultad de Ingeniería, Universidad Autónoma de Sinaloa, Culiacán 80040, MexicoInstituto de Ingeniería, Universidad Nacional Autónoma de México, México 04510, MexicoDepartment of Structures for Engineering and Architecture, University of Naples, Naples 80125, ItalyDepartamento de Ingeniería Civil, Universidad Autónoma del Carmen, Cd. del Carmen 24180, MexicoFacultad de Ingeniería, Universidad Autónoma de Sinaloa, Culiacán 80040, MexicoFacultad de Ingeniería, Arquitectura y Diseño, Universidad Autónoma de Baja California, Ensenada 22860, MexicoThe control of vibrations and damage in traditional reinforced concrete (RC) buildings under earthquakes is a difficult task. It requires the use of innovative devices to enhance the seismic behavior of concrete buildings. In this paper, we design RC buildings with buckling restrained braces (BRBs) to achieve this objective. For this aim, three traditional RC framed structures with 3, 6, and 9 story levels are designed by using the well-known technique nondominated sorting genetic algorithm (NSGA-II) in order to reduce the cost and maximize the seismic performance. Then, equivalent RC buildings are designed but including buckling restrained braces. Both structural systems are subjected to several narrow-band ground motions recorded at soft soil sites of Mexico City scaled at different levels of intensities in terms of the spectral acceleration at first mode of vibration of the structure Sa(T1). Then, incremental dynamic analysis, seismic fragility, and structural reliability in terms of the maximum interstory drift are computed for all the buildings. For the three selected structures and the equivalent models with BRBs, it is concluded that the annual rate of exceedance is considerably reduced when BRBs are incorporated. For this reason, the structural reliability of the RC buildings with BRBs has a better behavior in comparison with the traditional reinforced concrete buildings. The use of BRBs is a good option to improve strength and seismic behavior and hence the structural reliability of RC buildings subjected to strong earthquake ground motions.http://dx.doi.org/10.1155/2021/8816552 |
| spellingShingle | Victor Baca Juan Bojórquez Edén Bojórquez Herian Leyva Alfredo Reyes-Salazar Sonia E. Ruiz Antonio Formisano Leonardo Palemón Robespierre Chávez Manuel Barraza Enhanced Seismic Structural Reliability on Reinforced Concrete Buildings by Using Buckling Restrained Braces Shock and Vibration |
| title | Enhanced Seismic Structural Reliability on Reinforced Concrete Buildings by Using Buckling Restrained Braces |
| title_full | Enhanced Seismic Structural Reliability on Reinforced Concrete Buildings by Using Buckling Restrained Braces |
| title_fullStr | Enhanced Seismic Structural Reliability on Reinforced Concrete Buildings by Using Buckling Restrained Braces |
| title_full_unstemmed | Enhanced Seismic Structural Reliability on Reinforced Concrete Buildings by Using Buckling Restrained Braces |
| title_short | Enhanced Seismic Structural Reliability on Reinforced Concrete Buildings by Using Buckling Restrained Braces |
| title_sort | enhanced seismic structural reliability on reinforced concrete buildings by using buckling restrained braces |
| url | http://dx.doi.org/10.1155/2021/8816552 |
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