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FR-3168217-A1 - Hydraulic binder comprising bivalve mollusc shell powder, mechanochemical activation method and construction material comprising

FR3168217A1FR 3168217 A1FR3168217 A1FR 3168217A1FR-3168217-A1

Abstract

The invention relates to a hydraulic binder composition comprising shell powder of at least one bivalve mollusc and at least one other component selected from the group including slaked lime, quicklime, sulfate source materials, granulated and ground blast furnace slag, ground conversion steel slag, paper mill ash, fly ash, Portland cement and standardized composite cements, crushed pozzolans, crushed calcined shale, crushed calcined clay, and limestone fillers, alone or in mixtures, wherein said shell powder of at least one bivalve mollusc has a d50 between 15 µm and 50 µm and a D90 less than or equal to 100 µm.

Inventors

  • Julien Waligora
  • Stéphane DUPRIET
  • Mohammed ZELLOUFI
  • Nassim SEBAIBI

Assignees

  • EIFFAGE INFRASTRUCTURES
  • BUILDERS ECOLE D INGENIEURS

Dates

Publication Date
20260508
Application Date
20241107