Kristianto, Anang and Imran, Iswandi and Suarjana, Made and Pane, Ivindra (2012) Confinement of Reinforced-Concrete Columns with Non- Code Compliant Confining Reinforcement plus Supplemental Pen-Binder. ITB Journal of Engineering Science, 44 (3). pp. 220-237. ISSN 1978-3051
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Abstract
One of the important requirements for earthquake resistant building related to confinement is the use of seismic hooks in the hoop or confining reinforcement of reinforced-concrete column elements. However, installation of a confining reinforcement with a 135-degree hook is not easy. Therefore, in practice, many construction workers apply a confining reinforcement with a 90-degreehook (non-code compliant). Based on research and records of recent earthquakes in Indonesia, the use of a non-code compliant confining reinforcement for concrete columns produces structures with poor seismic performance. This paper presents a study that introduces an additional element that is expected to improve the effectiveness of concrete columns confined with a non-code compliant confining reinforcement. The additional element, named a pen-binder, is used to keep the non-code compliant confining reinforcement in place. The effectiveness of this element under pure axial concentric loading was investigatedcomprehensively.The specimens tested in this study were 18 concrete columns,with a cross-section of 170 mm x 170 mm and a height of 480 mm. The main test variables were the material type of the pen-binder, the angle of the hook, and the confining reinforcement configuration.The test results indicate that adding pen-binders can effectively improve the strength and ductility of the column specimens confined with a non-code compliant confining reinforcement.
| Item Type: | Article | ||||||||||||||||||||
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| Uncontrolled Keywords: | column; confinement; hook; non-compliance; pen-binder. | ||||||||||||||||||||
| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) | ||||||||||||||||||||
| Depositing User: | Perpustakaan Maranatha | ||||||||||||||||||||
| Date Deposited: | 02 May 2023 06:46 | ||||||||||||||||||||
| Last Modified: | 02 May 2023 06:46 | ||||||||||||||||||||
| URI: | http://repository.maranatha.edu/id/eprint/31862 |
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