Technical Questions

ACI Committees, Membership, and Staff have answered common questions on a variety of concrete related topics.



Definition of low-density concrete

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

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