Email Address is required Invalid Email Address
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
ACI Global Home Middle East Region Portal Western Europe Region Portal
Home > Tools > Frequently Asked Questions
Question: Embedded metals other than reinforcing steel
Question: Alternative methods for measuring crack width
Question: Can fresh concrete be used around aluminum framing or in aluminum molds??
Question: What are shrinkage-compensating expansive cement and concrete?
Question: What is mass concrete?
Question: Increasing the load capacity of a slab-on-ground using an overlay
Question: Acceptable concrete cracking
Question: Heat of hydration and the importance of controlling it
Question: Curling, shrinkage, and w/cm
Question: How should the concrete be consolidated to obtain a complete filling of the forms and around the...
Question: When should saw cuts be made on a concrete slab?
Question: Determining the cause of a crack
Question: Difference between a contraction joint, isolation joint, expansion joint, construction joint, an...
Question: Maximum temperature limits for hot-weather concreting
Question: What steps are taken in the repair of concrete structures?
Question: Does additional curing improve the properties of concrete in other ways than in strength?
Question: Reinforced concrete vs. prestressed concrete
Question: What fibers are used in concrete?
Question: How can the effectiveness of curing be measured?
Question: Using core strength to calculate compressive strength of an existing structure
Question: The effect of joints on the durability of concrete structures
Question: Do we always need to repair cracked concrete?
Question: How is the shrinkage of concrete determined?
Question: Is chiseled concrete a common technique for facades
Question: What is curing?
Question: Are any temperature limitations necessary in curing concrete in hot weather?
Question: Strength of concrete
Question: Water Curing Mass Concrete Structures
Question: What is D-cracking?
Question: The importance of proper drainage
Question: Pozzolans in mass concrete
Question: Specialty admixtures
Question: The effect of pozzolans on shrinkage
Question: Protecting against excessive expansion due to alkali-aggregate reaction (AAR)
Question: Characteristics of aggregate affecting concrete strength
Question: Can the heat liberated by the hydrating cement be relied on to give protection during cold weather?
Question: Minimum Dimension of a Structure
Question: Is there any measure of the completeness or adequacy of curing?
Question: Definition of “hot cement”
Question: Temperature limits for mass concrete
Question: What other uses are there for the pulse velocity?
Search other resources on the ACI website for answers to technical questions