Confinement of Reinforced-Concrete Columns with Non- Code Compliant Confining Reinforcement plus Supplemental Pen-Binder

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
Contributors:
ContributionContributorsNIDN/NIDKEmail
UNSPECIFIEDKristianto, AnangUNSPECIFIEDUNSPECIFIED
UNSPECIFIEDImran, IswandiUNSPECIFIEDUNSPECIFIED
UNSPECIFIEDSuarjana, MadeUNSPECIFIEDUNSPECIFIED
UNSPECIFIEDPane, IvindraUNSPECIFIEDUNSPECIFIED
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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