In today’s market, it is imperative to be knowledgeable and have an edge over the competition. ACI members have it…they are engaged, informed, and stay up to date by taking advantage of benefits that ACI membership provides them.
Read more about membership
Become an ACI Member
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.
ACI World Headquarters
38800 Country Club Dr.
Farmington Hills, MI
ACI Middle East Regional Office
Second Floor, Office #207
The Offices 2 Building, One Central
Dubai World Trade Center Complex
Phone: +971.4.516.3208 & 3209
ACI Resource Center
Feedback via Email
Home > Tools > Frequently Asked Questions
Would adding more cement serve the purpose of admixtures?
What is the importance of curing on strength?
Factors affecting time of setting
What are set-controlling admixtures?
When is steam curing used?
How is the air content of freshly mixed concrete determined?
Is density a good indicator of air content?
Estimating in-place concrete strength
The effect of pozzolans on freezing and thawing resistance
What is an air-entraining admixture?
What is the effect of freezing on concrete?
What methods are used for protecting concrete against low temperatures?
Can the heat liberated by the hydrating cement be relied on to give protection during cold weather?
When heated enclosures are used to protect freshly placed concrete, what precautions are necessary?
When water and aggregate are heated, are any limitations necessary?
Does additional curing improve the properties of concrete in other ways than in strength?
Commonly used accelerating admixture
Protecting concrete from cycles of freezing and thawing
Search other resources on the ACI website for answers to technical questions