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 CenterSouthern California
Chat with Us Online Now
Feedback via Email Phone: 1.248.848.3800
Home > Tools > Frequently Asked Questions
Q. What is structural low-density concrete? A. Structural low-density (lightweight) concrete is structural concrete made with low density aggregate having an air-dried density of not more than 1850 kg/m3 and a 28-day compressive strength of more than 17.2 MPa (ACI 213R). References: SP-1(02); ACI 213R-14; E-1(16) Topics in Concrete: Aggregate; Concrete Fundamentals; Lightweight
Q. What is structural low-density concrete?
A. Structural low-density (lightweight) concrete is structural concrete made with low density aggregate having an air-dried density of not more than 1850 kg/m3 and a 28-day compressive strength of more than 17.2 MPa (ACI 213R).
References: SP-1(02); ACI 213R-14; E-1(16)
Topics in Concrete: Aggregate; Concrete Fundamentals; Lightweight
Search other resources on the ACI website for answers to technical questions
Please enter this 5 digit unlock code on the web page.