Cited by 170Structural Load-Bearing AnalysisStructural Behavior of Reinforced ConcreteFire effects on concrete materials

Ultra-High Strength Concrete Filled Composite Columns for Multi-Storey Building Construction

Liew, J.Y. Richard, Xiong, D.X.·2012·Advances in Structural Engineering

Abstract

A test programme was carried out to investigate the performance of 27 axially loaded column specimens, including 18 steel tubes infilled with ultra-high strength concrete ( UHSC) of compressive strength close to 200 MPa, 4 steel tubes infilled with normal strength concrete ( NSC) and 5 hollow steel tubes. Steel fibres were added into the UHSC to study their effect in enhancing the ductility and strength. Concrete filled double-tube columns were also investigated for potential application in multi-storey and high-rise constructions. Test results showed that UHSC filled tubular columns achieved ultra-high load-carrying capacities, but they could become brittle after the maximum load was attained. In addition, the ductility and strength of composite columns infilled with UHSC was improved by applying load only on the concrete core, adding steel fibres into the concrete core or increasing the steel contribution ratio. Comparison of test results with Eurocode 4's predictions indicates that the Eurocode 4 method could be safely extended to predict the compressive resistance of UHSC filled composite stub columns. On average, Eurocode 4 approach underestimated the resistance by 14.6% if the confinement effect was not considered and by 3.5% if the confinement effect was considered for all the specimens involving UHSC. However, to ensure sufficient ductility, it is recommended that a minimum steel contribution ratio of 0.30 or 1% steel fibres should be used. Furthermore, strength enhancement due to confinement effect should be ignored in estimating the ultimate strength of concrete filled composite columns with Class 3 steel sections.

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Crossref · 10.1260/1369-4332.15.9.1487

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Authors
Liew, J. Y. R., & Xiong, D. X.
Affiliations
National University of Singapore (SG)
Corresponding author
Liew, J.Y. Richard
Venue
Advances in Structural Engineering
Published
2012-09
Volume
15
Issue
9
Pages
1487-1503
ISSN
  • 1369-4332 (ISSN-L)
  • 2048-4011
OpenAlex
W2008694819
Cited by
170
References
16
Citations by year
2026: 9 · 2025: 18 · 2024: 15 · 2023: 23 · 2022: 19 · 2021: 16 · 2020: 19 · 2019: 14 · 2018: 10 · 2017: 11 · 2016: 5 · 2015: 7 · 2014: 2 · 2013: 2
FWCI
8.62
Type
journal article
Language
en
Open access
closed
Locations
  • Advances in Structural Engineering (publishedVersion)
  • National University of Singapore (submittedVersion)
Topics
  • Physical Sciences › Engineering › Civil and Structural Engineering › Structural Load-Bearing Analysis
  • Physical Sciences › Engineering › Building and Construction › Structural Behavior of Reinforced Concrete
  • Physical Sciences › Engineering › Civil and Structural Engineering › Fire effects on concrete materials
Keywords
ultra-high strength concrete, concrete-filled steel tubes, composite columns, steel fibers, ductility, bearing capacity, Eurocode 4, confinement effects, hollow steel tubes, multi-storey buildings, axial loading, stub columns

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