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An Evaluation of Elasticity Modulus and Tensile Strength of Ultra High Performance Concrete
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 Title & Authors
An Evaluation of Elasticity Modulus and Tensile Strength of Ultra High Performance Concrete
Ryu, Gum-Sung; Yoo, Sung-Won;
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 Abstract
Recently, for UHPC (Ulta High Performance Concrete) which is researched actively, as the tensile strength is absolutely influenced on the content of steel fiber, in this paper, experiments of compressive strength, elasticity modulus and tensile strength were performed according to compressive strength and content of steel fiber as variables. By the test results, compressive strength, elasticity modulus and tensile strength are proportioned and have a good correlation and according to content of steel fiber, compressive and tensile strength are also proportioned and have a good correlation. In case of elasticity modulus, the difference between test and present design code is not large, so it is possible to adapt to present design code. On the other hand, in case of tensile strength, as there is no specification of present design code, new prediction equation is proposed by using nonlinear regression analysis and the proposed equation have a good correlation to test results.
 Keywords
UHPC;Tensile strength;Elasticity modulus;Content of steel fiber;
 Language
Korean
 Cited by
 References
1.
Association Francaise du Genil Civil (AFGC). (2002). Betons Fibres Ultra-Hautes Performances, Association Francaise du Genil Civil, SETRA, France, 24-56.

2.
John, H., George, S. (2010). The Implementation of Full Depth UHPC Waffle Bridge Deck Panels, Federal Highway Administration Highways for Life Technology Partnerships Program, New York, 9-12.

3.
Kang, S.T., Ryu, G.S. (2011). The Effect of Steel-Fiber Contents on the Compressive Stress-Strain Relation of Ultra High Performance Cementitious Composites (UHPCC), Journal of Korea Concrete Institute, 23(1), 67-75 [in Korean]. crossref(new window)

4.
Ministry of Land, Transport Affairs. (2012). Concrete Structural Design Code, 4th rev. Seoul, Korea Concrete Institute, 425.