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Environmental factors, such as high ambient temperature, low humidity, high wind, or both low humidity and high wind, affect concrete properties and the construction operations of mixing, transporting, and placing of the concrete materials. This guide defines hot weather. STANDARDS & TECHNICAL DOCUMENTS ON ACI R COLUSB USB ACI Collection of Concrete Codes, Specifications, and Practices · COL18PACK: ACI Collection of Concrete Codes, Specifications, and Practices 8-Volume Set & USB · COL18PACK: ACI Collection of Concrete Codes. R ACI COMMITTEE REPORT. (21 C) placed at an air temperature of 70 F ( 21 C), with a rel- ative humidity of 50% and a moderate wind speed of 10 mph. ( 16 km/h), will have six times the evaporation rate of the same concrete placed when there is no wind. When evaporation rate is expected to approach the.
ACI committee documents are intended for the use of individuals who are competent to evaluate the . Copies of ACI R, ACI , and ACI . temperature, °C. Saturation pressure, kPa. 4. 5. 6. 7. 8. 9. These practices include suggested preparations and procedures for use in general types of hot weather construction, such as pavements, bridges, and buildings. Temperature, volume changes, and cracking problems associated with mass concrete are treated more thoroughly in ACI R, R, and R. ACI R. ACI CNY Engineering Expo. November 11, ATLANTIC TESTING LABORATORIES. Hot Weather. Concreting Fresh/Plastic State (Cont' d). ○ Set Time vs. Air. Temperature. – Approximately. 30% decrease in set time for every. 10°F increase in temperature. Portland Cement Association.
Find the most up-to-date version of ACI R at Engineering Temperature, volume changes, and cracking problems associated with mass concrete are treated more thoroughly in ACI R, R, and R. Organization: American Concrete Institute. Document Number: aci r. Publish Date: Read ACI R Guide to Hot Weather Concreting by American Concrete Institute (ACI) for free with a 30 day free trial. Read eBook on the web, iPad, iPhone and Android. 3 Apr By ACI Committee Environmental components, reminiscent of excessive ambient temperature, low humidity, excessive wind, or either low humidity and excessive wind, impact concrete homes and the development operations of combining, transporting, and putting of the concrete fabrics. This advisor.