TESTS OF RETARDING ADMIXTURES FOR CONCRETE

THIS INVESTIGATION WAS MADE TO OBTAIN DATA ON THE EFFECTS OF COMMERCIAL RETARDERS ON CERTAIN PROPERTIES OF PORTLAND CEMENT CONCRETE. THE DATA OBTAINED WERE USED TO PREPARE A SPECIFICATION FOR THE ACCEPTANCE AND USE OF THESE RETARDERS. IN ADDITION, THE METHODS OF TESTING RETARDERS FOR CHEMICAL PROPERTIES AS WELL AS THEIR EFFECTS ON THE PHYSICAL PROPERTIES OF PLASTIC AND HARDENED CONCRETE WERE STUDIED. THE TESTS FOR CHEMICAL PROPERTIES OR IDENTIFICATION ARE REPORTED IN A SEPARATE PAPER. THE TESTS HEREIN REPORTED WERE MADE WITH 25 BRANDS OF RETARDERS FROM 11 MARKETERS AND COVER TIME OF RETARDATION, REDUCTION OF WATER, DURABILITY, AND FLEXURAL AND COMPRESSIVE STRENGTHS AT VARIOUS AGES. A RECOMMENDED SPECIFICATION FOR RETARDERS IS APPENDED TO THIS REPORT. /AUTHOR/

• Record URL:
  • http://onlinepubs.trb.org/Onlinepubs/hrbbulletin/310/310-001.pdf
• Supplemental Notes:
  • No 310, pp 1-32, 12 FIG, 14 TAB, 6 REF, 1 APP Distribution, posting, or copying of this PDF is strictly prohibited without written permission of the Transportation Research Board of the National Academy of Sciences. Unless otherwise indicated, all materials in this PDF are copyrighted by the National Academy of Sciences. Copyright © National Academy of Sciences. All rights reserved.
• Authors:
  • Grieb, William E
  • Werner, George
  • Woolf, D O
• Conference:
  • 40th Annual Meeting of the Highway Research Board
  • Location: Washington DC, United States
  • Date: 1961-1-9 to 1961-1-13
• Publication Date: 1962

Media Info

• Media Type: Digital/other
• Monograph Title: Tests and investigations of retarding admixtures for concrete
• Serial:
  • Highway Research Board Bulletin
  • Issue Number: 310
  • Publisher: Highway Research Board

Subject/Index Terms

• TRT Terms: Admixtures; Chemical properties; Compressive strength; Concrete; Concrete hardening; Durability; Flexural strength; Physical properties; Polymer concrete; Portland cement concrete; Retarders (Chemistry); Specifications; Water reducing agents
• Uncontrolled Terms: Hardened concrete
• Subject Areas: Highways; Materials;

Filing Info

• Accession Number: 00212640
• Record Type: Publication
• Files: TRIS, TRB
• Created Date: Aug 5 1994 12:00AM