Hydraulic road binder comprising fly ash from biomass, material for pavement bedding and soils treated with said binder

摘要

The present invention relates to a road hydraulic binder composition comprising at least 10% by weight of biomass fly ash and at least one other component selected from the group consisting of slaked lime, quicklime, sulfate source materials, granulated and ground blast furnace slag, stationery ash, Portland cement, crushed pozzolans, crushed calcined shales, crushed calcined clays, limestone filler, alone or in mixture. The invention also relates to a treated material for a pavement bed comprising said hydraulic road binder and a mixture of aggregates and sand, natural and / or recycled. The invention relates, moreover, to a method of manufacturing said treated material. The invention also relates to the use of the hydraulic road binder composition according to the invention in a method of treating a soil for carrying out earthworks. The invention also relates to the use of biomass ash in hydraulic road binder compositions.