Patent ID: 8101016

Claim:
A precast concrete component material, applicable for use in a material of a structural, comprising: a coarse aggregate(ca), the coarse aggregate(ca) are 891 to 963 kg/m 3 of; a fine aggregate(fa), the fine aggregate(fa) are 811 to 876 kg/m 3 of; a pozzolan material, the pozzolan material comprises 90 to 97 kg/m 3 of fly ash, and 31 to 34 kg/m 3 of silica fume; a cementing material, the cementing material comprises 235 to 350 kg/m 3 of cement and 78 to 117 kg/m 3 of blast furnace slag; a water with 122 to 165 kg/m 3 ; a carboxylic acid based superplasticizer, the carboxylic acid based superplasticizer accounting for 0.7 to 2.0 wt % of the total usage of pozzolan and cementing material; and a steel fiber, the steel fiber accounting for 0.5 to 1.0% of the total volume.