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Article: Statistical analysis of impact strength and strength reliability of steel-polypropylene hybrid fiber-reinforced concrete.
- Article from:
- Construction and Building Materials
- Article date:
- February 1, 2005
- Author:
CopyrightCOPYRIGHT 2005 Reed Business Information, Inc. (US). This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Abstract
This paper statistically investigates the first-crack strength, failure strength, and strength reliability of steel-polypropylene hybrid fiber-reinforced concrete in comparison with the steel fiber-reinforced concrete. The former strengths were measured using the drop-weight test in a batch of 48 discs. The hybrid fiber-reinforced concrete showed smaller variation in the two strengths, although larger scatter in the percentage increase was observed in the number of post-first-crack blows, compared to those of the steel fiber-reinforced concrete. The Kolmogorov-Smirnov test indicates that the two fiber-reinforced concretes hardly followed the normal ...