Hardener for ready-mixed concrete shipping-type hardened concrete, ready-mixed concrete shipping-type quick-hardened concrete material, ready-mixed concrete shipping-type rapid-hardened concrete composition, and method for preparing the same

摘要

A ready-mixed container shipping type containing at least one selected from the group consisting of calcium hydroxide, calcium carbonate, calcium aluminate compounds, calcium silicate compounds, colloidal silica, Portland cement, calcium sulfoaluminate cement, and blast furnace slag. It is a hardening agent for hard concrete.