Digital Image Correlation and Reliability-Based Methods for the Design of Structural Beams Made from Recycled Concrete Using Aggregates from Precast Rejects
The use of recycled aggregates in the manufacture of concrete is presented as a solution to reduce the consumption of resources and waste in the construction sector and contribute to a lower environmental impact. This work aims to explore the possibility of producing structural beams from recycled c...
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2025-01-01
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| author | Jorge López-Rebollo Evelio Teijón-López-Zuazo Roberto García-Martin Luis Javier Sánchez-Aparicio Diego González-Aguilera |
| author_facet | Jorge López-Rebollo Evelio Teijón-López-Zuazo Roberto García-Martin Luis Javier Sánchez-Aparicio Diego González-Aguilera |
| author_sort | Jorge López-Rebollo |
| collection | DOAJ |
| description | The use of recycled aggregates in the manufacture of concrete is presented as a solution to reduce the consumption of resources and waste in the construction sector and contribute to a lower environmental impact. This work aims to explore the possibility of producing structural beams from recycled concrete using aggregates from precast concrete rejects and to improve their design using advanced characterisation techniques. To this end, the experimental data coming from mechanical test and the use of the digital image correlation approach are combined with a robust reliability-based method. The full-field data provided by the digital image correlation approach allow to determine the probabilistic density functions of the mechanical data. From these data, a predictive analysis of the maximum strength and deflection of flexural beams is carried out based on robust design techniques. This approach uses analytical theoretical models and a Monte Carlo-based simulation strategy that allows the prediction of the behaviour of the beams. This methodology was validated by manufacturing six beams with the previously analysed recycled concrete, HA-30, and testing them in the laboratory. All the beams showed behaviour within the predicted range: around 49.7 kN maximum load and just over 9.3 mm maximum deflection. These results demonstrate the robustness of the approach as well as the feasibility of using precast rejects for the manufacture of structural elements. |
| format | Article |
| id | doaj-art-0645be59e8614e1e891f3e5364fae940 |
| institution | Kabale University |
| issn | 2076-3417 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Applied Sciences |
| spelling | doaj-art-0645be59e8614e1e891f3e5364fae9402025-01-24T13:20:19ZengMDPI AGApplied Sciences2076-34172025-01-0115265610.3390/app15020656Digital Image Correlation and Reliability-Based Methods for the Design of Structural Beams Made from Recycled Concrete Using Aggregates from Precast RejectsJorge López-Rebollo0Evelio Teijón-López-Zuazo1Roberto García-Martin2Luis Javier Sánchez-Aparicio3Diego González-Aguilera4Department of Cartographic and Land Engineering, Higher Polytechnic School of Ávila, University of Salamanca, Hornos Caleros, 50, 05003 Ávila, SpainDepartment of Construction and Agronomy, Higher Polytechnic School of Zamora, University of Salamanca, Campus Viriato, Avenida Requejo, 33, 49022 Zamora, SpainDepartment of Mechanical Engineering, Higher Polytechnic School of Zamora, University of Salamanca, Campus Viriato, Avenida Requejo, 33, 49022 Zamora, SpainDepartment of Cartographic and Land Engineering, Higher Polytechnic School of Ávila, University of Salamanca, Hornos Caleros, 50, 05003 Ávila, SpainDepartment of Cartographic and Land Engineering, Higher Polytechnic School of Ávila, University of Salamanca, Hornos Caleros, 50, 05003 Ávila, SpainThe use of recycled aggregates in the manufacture of concrete is presented as a solution to reduce the consumption of resources and waste in the construction sector and contribute to a lower environmental impact. This work aims to explore the possibility of producing structural beams from recycled concrete using aggregates from precast concrete rejects and to improve their design using advanced characterisation techniques. To this end, the experimental data coming from mechanical test and the use of the digital image correlation approach are combined with a robust reliability-based method. The full-field data provided by the digital image correlation approach allow to determine the probabilistic density functions of the mechanical data. From these data, a predictive analysis of the maximum strength and deflection of flexural beams is carried out based on robust design techniques. This approach uses analytical theoretical models and a Monte Carlo-based simulation strategy that allows the prediction of the behaviour of the beams. This methodology was validated by manufacturing six beams with the previously analysed recycled concrete, HA-30, and testing them in the laboratory. All the beams showed behaviour within the predicted range: around 49.7 kN maximum load and just over 9.3 mm maximum deflection. These results demonstrate the robustness of the approach as well as the feasibility of using precast rejects for the manufacture of structural elements.https://www.mdpi.com/2076-3417/15/2/656recycled concretestructural concretedigital image correlationrealiability-based methodrecycled beams |
| spellingShingle | Jorge López-Rebollo Evelio Teijón-López-Zuazo Roberto García-Martin Luis Javier Sánchez-Aparicio Diego González-Aguilera Digital Image Correlation and Reliability-Based Methods for the Design of Structural Beams Made from Recycled Concrete Using Aggregates from Precast Rejects Applied Sciences recycled concrete structural concrete digital image correlation realiability-based method recycled beams |
| title | Digital Image Correlation and Reliability-Based Methods for the Design of Structural Beams Made from Recycled Concrete Using Aggregates from Precast Rejects |
| title_full | Digital Image Correlation and Reliability-Based Methods for the Design of Structural Beams Made from Recycled Concrete Using Aggregates from Precast Rejects |
| title_fullStr | Digital Image Correlation and Reliability-Based Methods for the Design of Structural Beams Made from Recycled Concrete Using Aggregates from Precast Rejects |
| title_full_unstemmed | Digital Image Correlation and Reliability-Based Methods for the Design of Structural Beams Made from Recycled Concrete Using Aggregates from Precast Rejects |
| title_short | Digital Image Correlation and Reliability-Based Methods for the Design of Structural Beams Made from Recycled Concrete Using Aggregates from Precast Rejects |
| title_sort | digital image correlation and reliability based methods for the design of structural beams made from recycled concrete using aggregates from precast rejects |
| topic | recycled concrete structural concrete digital image correlation realiability-based method recycled beams |
| url | https://www.mdpi.com/2076-3417/15/2/656 |
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