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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 > Tools > Frequently Asked Questions
Q. Can you use any source of water as mixing water? A. Any water that is potable (drinkable) is acceptable as mixing water. Some water that is not potable may also be suitable for concrete. Tests should be performed, however, to determine if desired properties can be achieved. Acceptance criteria for mixing water are given in ASTM C94. Impurities that make water not fit for drinking may affect the setting time, strength, appearance, and resistance to degradation. Relevant tests would indicate if unacceptable performance could occur. Salt water should not be used as mixing water in steel-reinforced concrete. References: SP-1(02); ACI PRC-211.1-22; SP-2(07); ACI 201.2R-16; ASTM C94 Topics in Concrete: Durability; Mixture Proportioning
Q. Can you use any source of water as mixing water?
A. Any water that is potable (drinkable) is acceptable as mixing water. Some water that is not potable may also be suitable for concrete. Tests should be performed, however, to determine if desired properties can be achieved. Acceptance criteria for mixing water are given in ASTM C94. Impurities that make water not fit for drinking may affect the setting time, strength, appearance, and resistance to degradation. Relevant tests would indicate if unacceptable performance could occur. Salt water should not be used as mixing water in steel-reinforced concrete.
References: SP-1(02); ACI PRC-211.1-22; SP-2(07); ACI 201.2R-16; ASTM C94
Topics in Concrete: Durability; Mixture Proportioning
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