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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: Evaluating the Eco-Mechanical Performances of Fiber-Reinforced Concrete
Author(s): Alessandro P. Fantilli, and Bernardino Chiaia
Publication: Special Publication
Appears on pages(s): 1-12
Keywords: Fiber-reinforced concrete, Mechanical performances, Ecological performances, Tensile strength, Flexural strength, Work of fracture, Crack width
Abstract:A comparison among different structural concretes is herein performed in order to select, or tailor, new eco-friendly
and high performance cement-based composites. The ecological impact and the mechanical behavior of reinforced
concrete (RC) ties and beams are both assessed by of means the so-called eco-mechanical index (EMI). The crack width of RC structures, the embodied energy and the carbon dioxide released by the production of concretes, are the main parameters of EMI. As a result, the best eco-mechanical performances can be easily achieved by using a normal strength cementitiuos concrete having high fracture toughness (i.e., by adding steel fibers to normal strength concrete). Moreover, in an eco-mechanical analysis, the work of fracture, either in tension or in bending, is sufficient to define the mechanical performances and durability of normal and high-strength of RC structures, without measuring crack width.
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