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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: Experience with Epoxy Polymer Concrete Bridge Deck Thin Overlays in Service for Over 10 Years
Author(s): Shree Nabar and Peter Mendis
Publication: Special Publication
Appears on pages(s): 1-17
Keywords: Aggregates; bridge decks; epoxy resins; mixing; parking facilities;
permeability; polymer concrete; protective coatings (polymers); skid resistance
Abstract:Repair and maintenance of aging bridge decks and parking decks has become increasingly important due to concrete and steel deterioration from exposure to deicing salts, acid rain, and other hostile elements. Rapid curing thin polymer concrete overlay offers a cost-effective option in protecting and extending the service life of the deck. The paper discusses the performance, physical properties and application techniques using a flexible epoxy polymer overlay. The low modulus epoxy binder is designed to achieve a balance between toughness and flexibility. With the use of gap graded aggregates, the flexible epoxy binder system provides low permeability, enhanced skid resistance while accommodating thermal and mechanical stresses. The outstanding performance and service life of flexible epoxy overlays has been documented in the SHRP study in 1991. The importance of proper surface preparation and quality control during application is critical to the success and durability of the overlay.
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