Experimental investigation on short concrete columns laterally strengthened with ferrocement and CFRP
The use of ferrocement in strengthening reinforced concrete (RC) structures has increased recently. Ferrocement has mostly been used to provide extra confinement for RC columns. However, its performance, especially in combination with CFRP confinement has not yet been fully understood. In this study...
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| Format: | Article |
| Language: | English |
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Elsevier
2022-06-01
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| Series: | Case Studies in Construction Materials |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S2214509522002625 |
| _version_ | 1811244555499995136 |
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| author | Wisam A. Aules Yasir M. Saeed Hosam Al-Azzawi Franz N. Rad |
| author_facet | Wisam A. Aules Yasir M. Saeed Hosam Al-Azzawi Franz N. Rad |
| author_sort | Wisam A. Aules |
| collection | DOAJ |
| description | The use of ferrocement in strengthening reinforced concrete (RC) structures has increased recently. Ferrocement has mostly been used to provide extra confinement for RC columns. However, its performance, especially in combination with CFRP confinement has not yet been fully understood. In this study, a total of fifteen columns were experimentally tested to investigate the effects of using ferrocement confinement in strengthening square RC columns. The combination between CFRP and ferrocement in strengthening RC columns has also been investigated. In addition to providing extra confinement, ferrocement is used to modify the shape of square columns to curvilinear shape, which is more effective for confinement. The parameters were (1) the materials used for confinement (ferrocement, CFRP, or both), (2) cross-sectional shape (square, curvilinear, or circular), and (3) the amount of confinement (full vs. partial confinement). The results show that ferrocement is very effective if combined with CFRP. The curvilinear shape provided by ferrocement helps to distribute the lateral stresses and ultimately reduces stress concentration which is usually the cause of failure for columns strengthened with CFRP confinement. The results are analyzed and discussed, and a number of conclusions are presented. |
| first_indexed | 2024-04-12T14:27:15Z |
| format | Article |
| id | doaj.art-2418abb892b248ec89263be8b188b836 |
| institution | Directory Open Access Journal |
| issn | 2214-5095 |
| language | English |
| last_indexed | 2024-04-12T14:27:15Z |
| publishDate | 2022-06-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Case Studies in Construction Materials |
| spelling | doaj.art-2418abb892b248ec89263be8b188b8362022-12-22T03:29:24ZengElsevierCase Studies in Construction Materials2214-50952022-06-0116e01130Experimental investigation on short concrete columns laterally strengthened with ferrocement and CFRPWisam A. Aules0Yasir M. Saeed1Hosam Al-Azzawi2Franz N. Rad3Department of Environmental Engineering, Tikrit University, P. O. Box 42, Tikrit, Salah Al-Din 34001, IraqMercy Corps Iraq, Ramadi, Anbar 31001, Iraq; Corresponding author.Department of Civil Engineering, Tikrit University, P. O. Box 42, Tikrit, Salah Al-Din 34001, IraqDepartment of Civil and Environmental Engineering, Portland State University, P. O. Box 751, Portland, OR 97207, USAThe use of ferrocement in strengthening reinforced concrete (RC) structures has increased recently. Ferrocement has mostly been used to provide extra confinement for RC columns. However, its performance, especially in combination with CFRP confinement has not yet been fully understood. In this study, a total of fifteen columns were experimentally tested to investigate the effects of using ferrocement confinement in strengthening square RC columns. The combination between CFRP and ferrocement in strengthening RC columns has also been investigated. In addition to providing extra confinement, ferrocement is used to modify the shape of square columns to curvilinear shape, which is more effective for confinement. The parameters were (1) the materials used for confinement (ferrocement, CFRP, or both), (2) cross-sectional shape (square, curvilinear, or circular), and (3) the amount of confinement (full vs. partial confinement). The results show that ferrocement is very effective if combined with CFRP. The curvilinear shape provided by ferrocement helps to distribute the lateral stresses and ultimately reduces stress concentration which is usually the cause of failure for columns strengthened with CFRP confinement. The results are analyzed and discussed, and a number of conclusions are presented.http://www.sciencedirect.com/science/article/pii/S2214509522002625CFRPColumnsConcrete, confinementFerrocementStrengthening |
| spellingShingle | Wisam A. Aules Yasir M. Saeed Hosam Al-Azzawi Franz N. Rad Experimental investigation on short concrete columns laterally strengthened with ferrocement and CFRP Case Studies in Construction Materials CFRP Columns Concrete, confinement Ferrocement Strengthening |
| title | Experimental investigation on short concrete columns laterally strengthened with ferrocement and CFRP |
| title_full | Experimental investigation on short concrete columns laterally strengthened with ferrocement and CFRP |
| title_fullStr | Experimental investigation on short concrete columns laterally strengthened with ferrocement and CFRP |
| title_full_unstemmed | Experimental investigation on short concrete columns laterally strengthened with ferrocement and CFRP |
| title_short | Experimental investigation on short concrete columns laterally strengthened with ferrocement and CFRP |
| title_sort | experimental investigation on short concrete columns laterally strengthened with ferrocement and cfrp |
| topic | CFRP Columns Concrete, confinement Ferrocement Strengthening |
| url | http://www.sciencedirect.com/science/article/pii/S2214509522002625 |
| work_keys_str_mv | AT wisamaaules experimentalinvestigationonshortconcretecolumnslaterallystrengthenedwithferrocementandcfrp AT yasirmsaeed experimentalinvestigationonshortconcretecolumnslaterallystrengthenedwithferrocementandcfrp AT hosamalazzawi experimentalinvestigationonshortconcretecolumnslaterallystrengthenedwithferrocementandcfrp AT franznrad experimentalinvestigationonshortconcretecolumnslaterallystrengthenedwithferrocementandcfrp |