Strength and Deflection of Axially Loaded DSHCFT ColumnsHaving PVC Inner - Steel Outer Pipes Annuarly In-filled with SCC M35

N  Balasubramani     and R  Thenmozhi

doi:10.17485/ijst/2015/v8iS7/62242

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Strength and Deflection of Axially Loaded DSHCFT ColumnsHaving PVC Inner - Steel Outer Pipes Annuarly In-filled with SCC M35

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Indian Journal of Science and Technology

DOI: 10.17485/ijst/2015/v8iS7/62242

Year: 2015, Volume: 8, Issue: Supplementary 7, Pages: 1-5

Original Article

Strength and Deflection of Axially Loaded DSHCFT ColumnsHaving PVC Inner - Steel Outer Pipes Annuarly In-filled with SCC M35

N. Balasubramani ^{1 *} and R. Thenmozhi ²

¹Department of Civil Engineering, Sri Ramakrishna Mission Vidyalaya Polytechnic College, Coimbatore 641 020, Tamilnadu, India; [email protected]
² Department of Civil Engineering, Government College of Technology, Coimbatore, 641 013, Tamilnadu, India

This work is licensed under a Creative Commons Attribution 4.0 International License.

Abstract

This paper presents the experimental study of six Double Skinned Hollow Concrete Filled steel Tubular (DSHCFT) columns consisting of PVC inner and mild Steel outer pipes in-filled with Self Compacting Concrete (SCC). The grade of SCC and the yield strength of steel used were M35 and 250 MPa respectively. The Columns were tested for axial load and Loaddeflection, Ultimate compressive strength were studied and reported. The experimental results are verified with European Code (EC4) and found as conservative. The PVC tube is found as a reasonably suitable alternate material for moderately loaded DSHCFT columns.
Keywords: DSHCFT, Ductility, Load – Deflection, PVC Inner-Steel Outer, SCC, Ultimate Load