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Founded in 1904 and headquartered in Farmington Hills, Michigan, USA, the American Concrete Institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensus-based standards, technical resources, educational programs, and proven expertise for individuals and organizations involved in concrete design, construction, and materials, who share a commitment to pursuing the best use of concrete.
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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Mechanical behaviour of slabs made of strain-hardening cement-based composite and steel reinforcement subject to uniaxial tensile loading
Author(s): Eric Mündecke; Viktor Mechtcherine
Publication: Special Publication
Appears on pages(s): 249-258
Keywords: SHCC, steel reinforcement, uniaxial tension, tension stiffening, size effect.
Abstract:Strain-hardening cement-based composites (SHCC) are a group of high-performance materials which shows a high non-linear deformation capability and experiences strainhardening
behaviour under tensile loading. This behaviour is achieved by a specific material design which uses micro-mechanical effects to enhance the bridging properties of the fibres. In the presented research work, a series of large-scale uniaxial tension tests was performed to investigate the influence of the steel reinforcement on the load-bearing capacity as well as on
the deformation and cracking behaviour of slabs made of SHCC. Both the global deformations of the test specimens and local deformations of the reinforcement bars were measured. The experiments showed that the load-bearing behaviour of the structural elements is characterized by multiple cracking of SHCC. This results in a quasi-elastic, tensionstiffening
behaviour of the tension element after the initial cracking strength was reached. For a realistic description of this load bearing behaviour, a model for concrete stress-strain
relationship is proposed.
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