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:: Volume 4, Issue 11 (Spring 2013 2013) ::
JPG 2013, 4(11): 9-16 Back to browse issues page
Effect of the Concrete Strength on the Concrete-Steel Bond in Concrete Filled Steel Tubes
Nahmat Khodaie
Islamic Azad University
Abstract:   (5656 Views)
In this study, the concrete-steel bond strength of concrete filled cylindrical steel tubes has been experimentally investigated. 22 short, high strength and normal concrete filled circular steel tubes were tested. Push-out test was carried out as the common method to evaluate the bond carrying capacity. Four different concrete mixes were used in preparing the specimens. The steel tubes were welded type with the nominal inside diameters of 3, 4, 6 and 8 inches. According to the test results bond strength increases with reduction of the w/c ratio of concrete mixes. The high strength to normal concrete bond strength ratio increases with the diameter of steel tubes. The bond strength decreases for higher diameters in both normal and high strength concrete specimens.
Keywords: Composite structures, Concrete filled steel tubes (CFST), Bond strength
Full-Text [PDF 389 kb]   (2490 Downloads)    
Type of Study: Basic and Original Research | Subject: Marine Technology
Received: 2013/07/23 | Accepted: 2013/07/29 | Published: 2013/07/29
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Khodaie N. Effect of the Concrete Strength on the Concrete-Steel Bond in Concrete Filled Steel Tubes. JPG. 2013; 4 (11) :9-16
URL: http://jpg.inio.ac.ir/article-1-160-en.html


Volume 4, Issue 11 (Spring 2013 2013) Back to browse issues page
نشریه علمی پژوهشی خلیج فارس Journal of the Persian Gulf
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