REGIONAL MIX DESIGN CONCRETE FORMULAE. STUDY OF THE INFLUENCE OF THE NATURAL VARIABILITY OF INGREDIENTS

LES FORMULES REGIONALES DE BETON - ETUDE DE L'INFLUENCE DE LA VARIABILITE NATURELLE DES COMPOSANTS - PLAN D'EXPERIENCE.

CONCRETE CHARACTERISTICS ARE MARKEDLY INFLUENCED BY THOSE OF ITS INGREDIENTS. A KNOWLEDGE OF THE VARIABILITY OF THE LATTER IS THEREFORE NECESSARY IF THEIR INFLUENCE ON THE QUALITY OF CONCRETE IS TO BE DETERMINED. THE PRESENT STUDY SHOWS HOW TO PLAN EXPERIMENTS, FROM THE RESULTS OF WHICH IT WILL BE POSSIBLE TO CLASSIFY THE FACTORS BY ORDER OF INFLUENCE AND TO EVALUATE THIS INFLUENCE. THE FIRST PART OF THIS ARTICLE DESCRIBES THE PLAN, ITS THEORY AND DRAFTING. DETAILS ARE GIVEN OF THE MAIN PRINCIPLES TO FOLLOW ESPECIALLY A SATISFACTORY DEFINITION AND LIMITATION OF THE NUMBER OF PARAMETERS. PART 2 PRESENTS PLANS IMPLEMENTED IN BORDEAUX AND LYON, AND THE RESULTS OBTAINED. BOTH PLANS SHOW THE MARKED INFLUENCE OF CEMENT ON THE OTHER INGREDIENTS. THE THIRD PART DEALS WITH THE PLAN FOR AIX-EN-PROVENCE WHICH WAS GREATLY INFLUENCED BY THE RESULTS OF THE FORMER TWO. AN ATTEMPT IS MADE TO ELIMINATE THE INFLUENCE OF CEMENT SO AS TO CONDUCT A FINER STUDY. IN PART 4, GUIDELINES ARE GIVEN FOR THE PROCESSING OF THE RESULTS OBTAINED AND FOR DETERMINING THE SIGNIFICANCE OF DIFFERENT PARAMETERS.

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  • Authors:
    • RAY, M
    • CHARONNAT, Y
    • VAGUELSY, D
    • DELUDE, P
    • PROST, J
    • BERISSI, R
  • Publication Date: 1975-3

Language

  • French

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Filing Info

  • Accession Number: 01307045
  • Record Type: Publication
  • Source Agency: Institut Francais des Sciences et Technologies des Transports, de l'Aménagement et des Réseaux (IFSTTAR)
  • Files: ITRD
  • Created Date: Nov 21 2010 11:04AM