Early Cover Spalling in High-Strength Concrete Columns

The American Concrete Institute (ACI) 318-02 provisions for stress block parameters were derived using normal-strength concrete column tests. Azizinamini et al. in 1994, Ibrahim and MacGregor in 1996, Bayrak in 1999 have reported that the use of current ACI stress block parameters results in estimat...

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Bibliographic Details
Published in:Journal of structural engineering (New York, N.Y.) N.Y.), 2003-03, Vol.129 (3), p.314-323
Main Authors: Bae, Sungjin, Bayrak, Oguzhan
Format: Article
Language:English
Subjects:
Applied sciences
Buildings. Public works
Concretes. Mortars. Grouts
Exact sciences and technology
Materials
Properties and performance tests of mortar and hardened concrete
TECHNICAL PAPERS
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Summary:The American Concrete Institute (ACI) 318-02 provisions for stress block parameters were derived using normal-strength concrete column tests. Azizinamini et al. in 1994, Ibrahim and MacGregor in 1996, Bayrak in 1999 have reported that the use of current ACI stress block parameters results in estimations that are not conservative for high-strength concrete column sections. This was mainly attributed to the early cover spalling in high-strength concrete columns. In this paper, a numerical procedure for simulating premature cover spalling in high-strength concrete columns (66MPa
ISSN:0733-9445
1943-541X
DOI:10.1061/(ASCE)0733-9445(2003)129:3(314)