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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: Flexure and Bond in Fiberglass-Reinforced Polymer Concrete Beams
Author(s): N. RaaziI, D. L. Wheat, and D. W. Fowler
Publication: Special Publication
Appears on pages(s): 191-200
Keywords: beams (supports); bonding; flexural strength; glass; glass fibers; polymer concrete; reinforced concrete; reinforcing materials; Materials Research
Abstract:One brand of polymer concrete beams reinforced with fiberglass rods were tested and evaluated in simple flexure. Testing was carried out by the applying of two equal loads symmetrically placed about the center line of the beam on simply supported spans of 51, 63, and 72 in. The distance of the load points from the center line of the beams was varied to change the available development length for the reinforcing rod. The primary experimental data consisted of strains measured by means of electrical resistance strain gages placed on the surface of the polymer concrete and along the reinforcing rod. These strains were used to establish cracking strains and bond strengths for the beams tested. The results indicate a range of values for cracking strains and bond strengths, the lowest cracking strain being 370 psi and the lowest bond strength, 434 psi.
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