| 摘要 |
PURPOSE: An inorganic fiber-based concrete crack reducing composition is provided to effectively prevent cracks in concrete by using sepiolite as a base material, silicate mineral, argillaceous reinforcing material, and hydroxide additives. CONSTITUTION: An inorganic fiber-based concrete crack reducing composition comprises 45-70 weight% of inorganic fiber-based material(sepiolite), 3-8 weight% of calcium sulfo-aluminate, 3-8 weight% of calcium sulfate, 5-20 weight% of silicate-based mineral, 5-20 weight% of clay reinforcing material, and 0.5-5 weight% of hydroxide additives. The silicate-based mineral is used alone or two kinds or more materials are selected from tobermorite, wollastonite, and diatomaceous earth. |
