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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.
Showing 1-5 of 18 Abstracts search results
June 17, 2003
G. J. Fallis
In recent years, sulphur concrete has proven to be capable of withstanding attack by some of the most aggressive chemicals used in industry. This fast setting, acid and salt resistant concrete is well suited for use in the mineral processing and fertilizer production industries. This paper briefly describes the properties, production, application and performance of this new construction material, with references to actual commercial installations and reviews the long term durability of these projects in harsh chemical environments.
D. A. Schmidt
Acrylic polymers are widely recognized for their excellent UV durability and water resistance properties. When acrylic polymers are used as modifiers in Portland cement formulations, those polymer properties translate into excellent long-term outdoor durability and wet adhesion durability in the modified concrete. A number of lab prepared series of acrylic polymer modified portland cement formulations have been placed in outdoor exposure and tested periodically for the durability of various properties. Some of these experimental series have been on exposure for as long as 30 years. The results of these studies indicate that acrylic polymers are the ideal cement modifiers with respect to outdoor durability and wet adhesion durability.
A. O. Kaeding
A cast in place reinforced concrete building built in 1913 was repaired in 1975 using polymer impregnation, epoxy crack injection and epoxy grouting. The project is an example of using polymer impregnation to restore severely deteriorated, under-strength concrete. Original plans were to extend the useful life of the building by 15 years. This paper briefly reports that the building has been in service for 28 years since the restoration and is being replaced this year because it is no longer large enough. The building remains serviceable and there has been discussions of historic preservation after the new facility is completed.
A. O. Kaeding and R. Prusinski
The use of polymer concrete (PC) curtain wall panels was started in the U.S. and other countries in the late 1950’s. Panel finish was typically an exposed aggregate with stone size and color selected to meet architectural requirements. Uninsulated panels were 5/8 to 1-in. thick and insulated sandwich panels were 2 to 4-in. thick. Unsaturated polyester with styrene monomer was used as the PC binder. The original developer and manufacturer of curtain wall panels performed extensive testing on the products and the PC used in production. Compressive strength, flexural strength, modulus of elasticity, tensile strength, freeze-thaw resistance, thermal transmittance, and resistance to weathering, coefficient of thermal expansion and flammability were all investigated. Full-scale load testing confirmed the strength and wind load resistance of the panels. Attachment and erection details were developed and tested. Panels with these properties have been performing successfully for the past 40 years. Unpublished results of this testing, the associated details and recommended specifications are presented in this paper. Properties determined in the tests reported are pertinent to other structural applications as well and expand the knowledge base for polymer concrete structures.
G. W. DePuy and F. E. Dimmick, Sr.
Polymer concrete (PC) overlays are often an effective way to repair or protect concrete surfaces exposed to hostile service conditions. The various applications of PC overlays include industrial floors exposed to abrasion and chemical spillage, concrete spillways and water conveyance structures exposed to abrasion erosion and freeze-thaw attack, and bridge decks exposed to severe weather conditions, deicing salts, and heavy traffic. Three general types of PC overlays are used premixed PC, multiple-layers PC, and slurry PC. Polymer binders include methacrylate monomer systems, and epoxy, polyester, and vinyl ester resins systems. Applications of PC overlays and progress in the development of standards are discussed.
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