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Elastic design of slender high-strength RC circular columns confined with external tensioned steel straps

Ma, Chau Khun and Awang, Abdullah Zawawi and Omar, Wahid and Pilakoutas, Kypros and Mohd. Tahir, Mahmood and Garcia, Reyes (2015) Elastic design of slender high-strength RC circular columns confined with external tensioned steel straps. Advances in Structural Engineering, 18 (9). pp. 1487-1499. ISSN 2048-4011

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Abstract

This article proposes a design approach to calculate the capacity of slender high-strength concrete (HSC) columns confined with a cost-effective Steel Strapping Tensioning Technique (SSTT). The approach is based on results from segmental analyses of slender SSTT-confined circular columns subjected to eccentric loads. A capacity reduction factor analogue to that proposed by Kwak and Kim (2004) accounts for the effect of slenderness in design. P-M interaction diagrams computed using rigorous nonlinear P-Delta analyses are compared to those calculated by the proposed approach to assess its accuracy. The results indicate that the proposed approach predicts conservatively the ultimate capacity of slender HSC circular columns confined using the SSTT, and therefore it can be used in the design of modern reinforced concrete (RC) structures.

Item Type:Article
Uncontrolled Keywords:high strength concrete, steel straps
Subjects:T Technology > TA Engineering (General). Civil engineering (General)
Divisions:Civil Engineering
ID Code:54949
Deposited By: Fazli Masari
Deposited On:09 Aug 2016 00:47
Last Modified:15 Feb 2017 07:00

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