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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: Application and Research of the Housing Base Concrete to the Curing Using New Heating Sheets
Author(s): A. Fukai and M. Sugiyama
Publication: Special Publication
Appears on pages(s): 257-268
Keywords: compressive strength; curing; heating sheet; low temperature; on-site testing
Abstract:This study evaluated the viability of electric heating sheets for the curing of concrete housing foundations in severe, low-temperature environment. The heating sheets tested use PTC (positive temperature coefficient resistor) ceramic elements. The heating temperature is automatically adjusted by these elements in response to adjacent air temperature. The experiment was carried out in two series. The first phase was carried out at -10°C in a thermostatic chamber. The second phase involved on-site testing. Under severe, low-temperature conditions, of up to -11°C outside air temperature, it was found that curing was possible at about +15°C through the use of heating sheets. Compressive strength was found to be sufficient. The heating sheet is considered to be extremely useful for curing concrete in cold regions.
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