Please use this identifier to cite or link to this item: https://hdl.handle.net/11681/21418
Title: Investigation of vacuum treatment of mass concrete surfaces
Authors: United States. Army. Office of the Chief of Engineers.
U.S. Army Engineer Waterways Experiment Station.
Keywords: Vacuum concrete process
Concrete finishing
Issue Date: Feb-1953
Publisher: U.S. Army Engineer Waterways Experiment Station.
Engineer Research and Development Center (U.S.)
Description: Technical memorandum
Preface: The Office, Chief of Engineers authorized the investigation described in this report in correspondence dated 4 May 1949 to the President, Mississippi River Commission, subject, "Authorization of Item CW-6o5 'Vacuum Concrete Investigation.’“ The investigation was performed by and at the Concrete Research Division of the Waterways Experiment Station in cooperation with Vacuum Concrete, Inc., during the summer of 1949. Approximately 100 visitors from various offices of the Corps of Engineers, other Government agencies, private corporations, trade publications and technical societies witnessed the construction and vacuum treatment of test models, The vacuum treatment or concrete requires the use of equipment and methods patented by Vacuum Concrete, Inc., Philadelphia. It is desired to acknowledge the assistance rendered in the prosecution of this program by the Blaw-Knox Company, the Vibro-Plus Products Corp., and Superior Concrete Accessories, Inc., who supplied the steel forms, form vibrators, and screw anchors, form bolts and templet bolts. In particular the assistance of Vacuum Concrete, Inc., in supplying vacuum pumps, vacuum mats and other equipment together with valuable advice and supervision is acknowledged. The loan of a Whiteman mechanical trowel by the Mississippi Road Builders Association is also acknowledged.
URI: http://hdl.handle.net/11681/21418
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