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Title: Methods of Tamping and Feeding in Manufacture of Dry Tamped Concrete Masonry Units

Author(s): ACI Committee P-1

Publication: Journal Proceedings

Volume: 24

Issue: 3

Appears on pages(s): 836-848

Keywords: none

DOI: 10.14359/15582

Date: 3/1/1928

This report covers a preliminary investigation of methods of tamping and feeding employed in the manufacture of dry tamped concrete masonry units. Concrete block were selected for these tests as the most representative of tamped concrete units. The tests were conducted under the auspices of this committee, outlined by C. L. Bourne, chairman, and superintended by J. F. Winkler, secretary. Acknowledgment is made to Messrs. Martin and George Hammerschmidt for furnishing the necessary materials used in the manufacture of the block and for use of the Elmhurst-Chicago Stone Company block plant where specimens were made. The specimens were tested at the research laboratory of the Portland Cement Association.