Technical Questions

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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 115 lb/ft3 (1850 kg/m3) and a 28-day compressive strength of more than 2500 lb/in2 (17 MPa).


References:  SP-1(02); ACI 213R-14; E-1(16) 

Topics in Concrete: Aggregate; Concrete Fundamentals; Lightweight Concrete

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