METHODS OF VIBRATION OF CONCRETE ACCORDING TO FRENCH PRACTICE

FRENCH PRACTICE WENT IN FOR HEAVY VIBRATING OR TAMPING OF PAVEMENT CONCRETE. BRIEF DESCRIPTIONS OF SEVERAL MACHINES WERE GIVEN, SOME OF WHICH RAN ON SIDE RAILS AND OTHERS RESTED DIRECTLY UPON THE FRESH CONCTETE. A FEATURE OF THE PRACTICE WAS A BRUSHING MACHINE FOR ROUGHENING THE SURFACE TO MAKE IT SKID PROOF BY REMOVING THE FINE MATERIAL DURING THE SETTING AND HARDENING PERIOD. ONE BELIEF WAS IN USING LEAN MIXTURES WITH ENOUGH VIBRATION OR RAMMING TO FORCE THE INDIVIDUAL PIECES OF LARGE SIZE AGGREGATE INTO SUCH INTIMATE POSITIONS THAT WERE SECURELY BONDED TO EACH OTHER BY A MINIMUM AMOUNT OF CEMENT. ALMOST NO CRACKING AND LITTLE WEAR WAS OBSERVABLE ON TEN YEAR OLD PAVEMENTS, IN THE HEART OF PARIS, LAID BY THESE METHODS. /AUTHOR/

  • Supplemental Notes:
    • Vol 17, ParT I, PP 281-283; part of Report of Department of Materials and Construction
  • Authors:
    • Crandell, J S
  • Publication Date: 1938

Media Info

  • Monograph Title: Proceedings of the Seventeenth Annual Meeting of the Highway Research Board Held at Washington, D.C. November 30, December 1, 2, 3, 1937. Part I
  • Serial:

Subject/Index Terms

Filing Info

  • Accession Number: 00215312
  • Record Type: Publication
  • Files: TRIS, TRB
  • Created Date: Aug 15 1971 12:00AM