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dc.contributorUnited States. Army. Office of the Chief of Engineers.-
dc.contributor.authorU.S. Army Engineer Waterways Experiment Station.-
dc.descriptionTechnical memorandum-
dc.descriptionPreface: The investigations reported herein were conducted in accordance with authority provided by the Office, Chief of Engineers, and form a part of Civil Works Investigations Item CW 602 "Research on the Properties of Aggregates for Concrete." The basic authority for initiating the investigations was provided in January 1949. The work has been conducted as five separate investigations (Phases I through V). Six of the Corps of Engineers Division Laboratories cooperated with the Waterways Experiment Station in one- or more-of these-phases. This report includes details of the results of Phases III and V which have not previously been reported, and summarizes the entire study including the results of Phases I, II, and IV reported previously. Phase III was authorized in June 1950, and was participated in by all the laboratories. Detailed instructions therefor were given in memoranda dated 28 June, 28 July, and 2 November 1950, distributed by the Waterways Experiment Station. Representatives of the Waterways Experiment Station visited the cooperating laboratories as shown below while the Phase III specimens were being made: South Atlantic Division: November 1950, January 1951 Southwestern Division: December 1950, May 1951 Missouri River Division, South Pacific Division, North Pacific Division: February 1951 Ohio River Division: June 1951 Phase V was authorized in September 1953 and was conducted by the Waterways Experiment Station This report was prepared by Mr. E. E. McCoy of the Waterways Experiment Station.-
dc.publisherU.S. Army Engineer Waterways Experiment Station.-
dc.publisherEngineer Research and Development Center (U.S.)-
dc.rightsApproved for public release; distribution is unlimited.-
dc.sourceThis Digital Resource was created from scans of the Print Resource.-
dc.subjectFrost resistant concrete-
dc.subjectFreezing and thawing testing-
dc.subjectTrap rock-
dc.titleCooperative freezing-and-thawing tests of concrete specimens-
Appears in Collections:Technical Memorandum

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