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
Learn More
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.
Staff Directory
ACI World Headquarters 38800 Country Club Dr. Farmington Hills, MI 48331-3439 USA Phone: 1.248.848.3800 Fax: 1.248.848.3701
ACI Middle East Regional Office Second Floor, Office #207 The Offices 2 Building, One Central Dubai World Trade Center Complex Dubai, UAE Phone: +971.4.516.3208 & 3209
ACI Resource Center Southern California Midwest Mid Atlantic
Feedback via Email Phone: 1.248.848.3800
Home > Tools > Frequently Asked Questions
Question: Using cube tests in lieu of cylinder tests
Question: Size of test cylinder
Question: Consistency, plastic consistency, and workability
Question: What fibers are used in concrete?
Question: Precautions to resist acid attack
Question: Are polymer concrete and polymer-modified concrete used in repairs?
Question: The effect of entrained air on the workability of concrete
Question: The effect of aggregate strength on concrete strength
Question: The effect of aggregate characteristics on concrete shrinkage and permeability
Question: Requirements for a successful concrete structure
Question: Standard specifications for cements
Question: What methods of capping are recommended for compression specimens?
Question: What is calcium-aluminate cement?
Question: What water-cementitious material ratio should be used for a particular job when strength require...
Search other resources on the ACI website for answers to technical questions