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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: Nonmetallic Waterstops
Author(s): George C. Hoff and B. J. Houston
Publication: Journal Proceedings
Appears on pages(s): 7-13
Keywords: canals: concrete construction: concrete durablity;concretes: culverts: joint seaters; latex (plastic); polyvinyl chloride: research: reservoirs; rubber; sealing;
Abstract:Nonmetallic waterstops having suitable roperties for use in joints in hydraulic structures concrete have been made successfully from natural rubber synthetic rubber, and polyvinyl chloride. To perform satisfactorily, a waterstop must have sufficient strength and extensibility to avoid being ruptured by joint movement, and it must maintain strength and extensibility over the temperature range and in spite of any chemical attack from the environment. It must also have suitable dimensions and configuration and be installed so as to avoid water flow around the embedded ends. Field and laboratory studies have led to the establishment of various minimum proper requirements. Suitable waterstop materials should have a tensile strength of at least 1400 psi (plastic) or 2000 psi (rubber), the ability to elongate 280 percent (plastic) or 360 ercent (rubber), and be able to maintain certain evels of other relevant properties P after various chemical and thermal exposure.
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