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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: Tests of Model Composite Bridge Decks
Author(s): Barrington deV. Batchelor and Brian E. Hewitt
Publication: Journal Proceedings
Appears on pages(s): 340-343
Keywords: bridge decks: bridges (structures): composite construction (concrete and steel): concrete slabs;models; reinforced concrete:research: safety factor; structural design.
Abstract:Findings are reported of punching tests conducted on the deck slabs of model composrte steel-concrete bridges. These tests formed part of an investigation to determine more economical use of reinforcement in such systems. The study has indicated that orthotropic decks reinforced in accordance with existing AASHTO specifications have extremely high safety factors against failure in punching. It is suggested that adequate safety factors can be achieved by using isotropic reinforcement equal to the amount necessary to limit shrinkage and temperature cracking. This gives a reduction of over 60 percent in the reinforcement for a conventional 7 in. (I 7.8 cm) deck slab.
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