Strength and Deformability of Confined Rectangular Reinforced Concrete Columns with Supplemental Penbinder

Kristianto, Anang and Imran, Iswandi (2014) Strength and Deformability of Confined Rectangular Reinforced Concrete Columns with Supplemental Penbinder. In: The International Conference on Environmentally Friendly Civil Engineering Construction and Materials, 13-14 November 2014, Manado.

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Some parts of Indonesia are located in a region with high seismic risk. In this region, it is compulsory to have a structure that consistently meets the stringent requirements of earthquake resistant buildings. Consistent implementation of the earthquake resistant design will result in a structure that can survive a strong earthquake. One of the seismic provisions of SNI 03-2847-02 [1] requires that reinforced concrete columns of a structure be confined using hoop reinforcement with seismic hook. The concept of confinement in reinforced concrete columns is intended for when the cover spalls off a tied column does not fail immediately because the strength of the core is enhanced by triaxial stresses resulting from the confining effect of the transverse or hoop reinforcement. As a result, the column can undergo large deformation, eventually reaching a second maximum load, when the transverse reinforcement yields. Installation of this kind of confining reinforcement is so tedious, especially for large dimensions columns commonly used in high rise buildings, flyovers and bridges. The research study reported in this paper introduces a simple device called “pen-binder” that can be attached onto the non-compliance confining reinforcement at construction sites. The use of pen-binder to hold the confining reinforcement in r/c column improves strength and ductility of column very significantly. In general, column specimens with code non-compliance confining reinforcement plus pen-binder show better strength and ductility than column specimens with code compliance confining reinforcement. A parametric study has also been carried out to find out the effect of confinement ratio. The parametric study revealed some very important observations regarding the behaviour of confinement of rectangular reinforced concrete columns with supplemental pen-binder

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: Column, Confinement, Pen-binder, strength, ductility
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Depositing User: Perpustakaan Maranatha
Date Deposited: 02 May 2023 06:54
Last Modified: 02 May 2023 06:54

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