EFFECTS OF SEVEN VARIOUS ADMIXTURES FOR CONCRETE ESTABLISHED BY COMPARATIVE TESTS

TO SELECT THE MOST SUITABLE ADMIXTURE FOR CONCRETE FOR AN IMPORTANT STRUCTURE IN YUGOSLAVIA, SEVEN DIFFERENT ADMIXTURES FOR CONCRETE WERE USED IN COMPARATIVE TESTING. TWO OF THE ADMIXTURES WERE PLASTICIZERS ONLY, THE OTHER FIVE CONTRIBUTED TO AIR ENTRAINMENT TO A GREATER OR LESSER DEGREE. THE PARALLEL TESTS WERE CARRIED OUT ON CEMENT PASTE, CEMENT MORTAR, AND CONCRETE, UNDER THE SAME CONDITIONS, ACCORDING TO THE TEST PROGRAM RECOMMENDED BY THE COMMITTEE FOR LARGE DAMS, FOR CHECKING THE QUALITY OF ADMIXTURES FOR CONCRETE. TWO KINDS OF CEMENT WERE USED: PORTLAND CEMENT WHOSE COMPOSITION WAS SIMILAR TO TYPE II BY ASTM WITH A 30 PERCENT ADDITION OF BLAST FURNACE SLAG, AND THE SAME PORTLAND CEMENT WITH A 30 PERCENT ADDITION OF NATURAL POZZOLAN. IT WAS FOUND THAT THE DIFFERENT ADMIXTURES FOR CONCRETE HAD NOT THE SAME EFFECT ON BOTH CEMENTS. MOREOVER, BY THE USE OF THE ADMIXTURES FOR CONCRETE, CERTAIN CHARACTERISTICS OF ONE CEMENT WERE CONSIDERABLY IMPROVED BUT NOT OF THE OTHER. THE RESULTS OF THESE COMPARATIVE TESTS ARE DISCUSSED. TWO OF THE ADMIXTURES FOR CONCRETE HAVE CONSIDERABLY IMPROVED THE CHARACTERISTICS REQUESTED OF HYDROTECHNICAL CONCRETE, THE CONTRIBUTION OF THREE OTHERS WAS MUCH INFERIOR, WHILE THE EFFECT OF THE REMAINING TWO ADMIXTURES FOR CONCRETE COMPARED WITH REFERENCE CONCRETE WAS VERY POOR. /CRIC/FESR/RRL/AUTHOR/

• Supplemental Notes:
  • pp 17-34, 6 TABS
• Authors:
  • Miladinovic
• Conference:
  • Intl Symp Admix Mortar & Concr /Belg/
• Publication Date: 1967

Subject/Index Terms

• TRT Terms: Admixtures; Air entraining agents; Blast furnaces; Cement; Cement mortars; Concrete; Plasticizers; Portland cement; Portland pozzolan cement; Slag
• Old TRIS Terms: Portland slag cement
• Subject Areas: Highways; Materials;

Filing Info

• Accession Number: 00212954
• Record Type: Publication
• Source Agency: Road Research Laboratory /UK
• Files: TRIS
• Created Date: May 4 1970 12:00AM