Grout material using carbon-based expansive admixture and construction method using the same

摘要

The present invention, in the grout material injected into the gap of the structure, the compounding material, cement 35-50% by weight; 2 to 10% by weight of binder; 40-60 wt% of silica sand; Anti-foaming agent 0.05-0.2% by weight; 0.01-0.5 wt% of a thickener; 0.3-1.5 wt% of a high-performance glidant; It relates to a grout material containing 1 to 10% by weight of an expansion material and a grouting construction method using the same.