Title:
Proportioning of Mixes for Steel Coarse Aggregate and Limonite and Magnetite Matrix Heavy Concretes
Author(s):
David L. Narver
Publication:
Journal Proceedings
Volume:
52
Issue:
1
Appears on pages(s):
537-548
Keywords:
no keywords
DOI:
10.14359/11613
Date:
1/1/1956
Abstract:
Discusses structural concrete of heavy weight, utilizing limonite and magnetite as fine aggregate and graded steel scrap as coarse aggregate. Criteria are presented for proportioning a concrete mix for specific unit weight as well as specific compressive strength. Employing various combinations of conventional coarse aggregate and steel aggregate and either conventional, liomonite, or magnetite fine aggregate, concrete can be produced with a density from 140 to 330 lb per cu ft. Compressive strength of 3000 psi is reported to be obtainable without difficulty.