Performance Evaluation of MS Tube Coupler on Axial Load Capacity of Column
Abu Hasan1, Showkat Iqbal Maharaj2, Md. Golam Kibria3, F.M. Mahmud Hasan4
1Abu Hasan, Department of Civil Engineering, European University of Bangladesh, Dhaka-1216, Bangladesh.
2Showkat Iqbal Maharaj, Department of Civil Engineering, European University of Bangladesh, Dhaka-1216, Bangladesh.
3Md. Golam Kibria, Department of Civil Engineering, Sonargoan University, Dhaka-1215, Bangladesh.
4F.M. Mahmud Hasan, Department of Civil Engineering, European University of Bangladesh, Dhaka-1216, Bangladesh.
Manuscript received on 12 September 2017 | Revised Manuscript received on 28 September 2017 | Manuscript published on 30 September 2017 | PP: 1-7 | Volume-6 Issue-4, September 2017 | Retrieval Number: D1786097418©BEIESP
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© The Authors. Blue Eyes Intelligence Engineering and Sciences Publication (BEIESP). This is an open access article under the CC-BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)
Abstract: This paper presents the results of an experimental investigation on the axial load behavior of small scale reinforced concrete square columns with tube coupler, where this material represents a relatively new technology, as a solution to overcome the lapping problems. Therefore, a total of 18 columns (550 mm ×150 mm×150 mm size) were tested under compressive axial static loading. All columns had 4-Φ10 mm rebar as main reinforcement and Φ8 mm as transverse reinforcement at 100 mm center to center spacing along the column. The major parameters included in this research were the joining types of main reinforcement, such as solid rebar, lapping of rebar and coupling of rebar. Test results exhibited that the cracking loads and failure loads of column were higher in the column made with coupling of rebar compared to lapping but slightly lower than the solid rebar. In addition, axial deformations and rate of deformation were almost similar in both types of columns using solid rebar and coupler in rebar. So, it can be stated, on the basis of the test results, that uses of tube coupler in rebar rather than lap splice is more expedient to increase the capacity of column.
Keywords: Tube coupler, Lapping, Cracking load, Failure load, Axial deformation.
Scope of the Article: High Performance Computing