Author: Edwards, P B;Rigg, R B
First published: N/A
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Edwards, P B;Rigg, R B
Mr. A. W. HILL (Member) said that he had read the paper with considerable interest, but felt that Mr. Mackay had overstated his case.
Aerated concrete is one of a group of materials described collectively as 'lightweight concrete.' The term 'lightweight concrete' is somewhat arbitrary; in the past it has been customary to consider as 'lightweight, any concrete of dry density not exceeding
100 Ib/cu. ft., but the use of reinforced units has led to concretes with a density of 110-115 or even to 120 Ib/cu. ft.
A. Short and W. Kinniburgh