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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.
Showing 1-5 of 30 Abstracts search results
Document:
SP105-02
Date:
December 1, 1987
Author(s):
B. Barr
Publication:
Symposium Papers
Volume:
105
Abstract:
Paper reviews seven test specimen geometries that have been used to determine the shear performance of fiber reinforced concrete (FRC) materials. All the geometries are modified standard quality control test specimens--modified cubes, beams, or cylinders. The performance of FRC materials can be characterized by two fracture parameters--fracture toughness, which gives the resistance to cracking, and toughness index, which quantifies the post-first-crack toughness. The shear strength results are similar for the various test geometries used in the study. The shear strength of steel FRC mixes is shown to be independent of fiber content, whereas the shear strength of polypropylene FRC decreases with increasing fiber content and the shear strength of glass FRC increases with increasing fiber content. The post-cracking toughness increases uniformly with increasing fiber content over the range of fiber contents studied. This increase in toughness is observed for all three fibers--steel, polypropylene, and glass fiber.
DOI:
10.14359/2017
SP105-27
R. P. Clarke and A. K. Sharma
Fibro-ferrocrete can be visualized as a new material that judiciously combines reinforced concrete, ferrocement, and fiber reinforced concrete to give a strong and effective structural material. This material can be fabricated readily into beams and flat plate elements that are structurally efficient and strong. Tests of six fibro-ferrocrete one-way slabs subjected to flexural loadings are reported. The factors affecting the strength of such slabs are examined. A theory is presented to determine the flexural strength of fibro-ferrocrete one-way slabs. The ultimate strengths obtained from five of the six tests exceed the calculated values derived from the proposed theory, usually by 20 to 30 percent.
10.14359/2936
SP105
Editors: S.P. Shah and G.B. Batson
SP105 Leading edge design requires leading edge technology. "Fiber Reinforced Concrete Properties and Applications," provides the knowledge you need to design and build state-of-the-art concrete structures. Fiber reinforced concrete can be used in a wide variety of applications. With fibers being made of steel, glass, or polymer they can be added to the concrete mix in a variety of ways. Added to concrete in a ready-mix truck, cast in a conventional manner, or sprayed along with mortar slurry to form thin precast panels, new fibers, methods of manufacture, fabricating, and applications are being pioneered all of the time. "Fiber Reinforced Concrete Properties and Applications," a collection of 29 papers, is divided into five main sections: fracture and mechanical properties, polymer and glass fiber reinforced concrete, steel fiber reinforced concrete, pavements, and structural behavior. Topics such as: failure mechanisms and fracture of fiber reinforced concrete, fiber reinforced soil-cement, creep of concrete containing fibers and silica fume, development of lightweight durable fiberglass-reinforced concrete, flexural fatigue strength of steel fiber reinforced concrete, steel fiber reinforced heat resistant pavement, and flexural behavior and design of reinforced fiber concrete members are presented in great detail.
10.14359/15161
SP105-22
Krishnaiyengar Rajagopalan
Infrastructural application of steel fiber reinforced concrete to access hole covers is explored. It has been shown that bar reinforced concrete covers further reinforced with fibers are suitable candidates for access hole covers in medium- and heavy-duty applications. The covers possess increased cracking strength due to the crack-arresting mechanism of the fibers. A greater ultimate load also results, thanks to the increase in shear strength afforded by the fibers. Further, these covers also possess good energy absorption capacity and local anti-splitting characteristics due to the presence of fibers everywhere in the mass.
10.14359/2910
SP105-23
George Y. Wu and Michael P. Jones
Paper presents the U.S. Navy's experience with the performance of steel fiber reinforced concrete airfield pavements and techniques evaluated to alleviate the problem of exposed surface steel fibers. The exposed surface steel fibers posed a potential foreign object damage hazard to jet engines and injury hazard to ground support personnel. The Navy has elected to use the standard Navy PCC slab size (12.5 x 15 ft) and thickness for SFRC pavements because of slab curling and corner cracking problems on SFRC pavements. The diamond blade bump grinding technique is preferred for removing surface steel fibers because of its cost and life expectancy.
10.14359/2204
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