| abstract |
In the present invention, 25 to 32 parts by weight of cement, 3.1 to 11.5 parts by weight of fast hardening material, 1.6 to 5.3 parts by weight of hardening aid, 1.2 to 2.1 parts by weight of strength enhancing material, 1.5 to 2.5 parts by weight of expansion material, 0.04 to 0.1 part by weight of microfiber , organic-inorganic composite waterproofing material 0.59 ~ 2.1 parts by weight, water reducing agent 0.05 ~ 0.22 parts by weight, thixotropic agent 0.3 ~ 0.6 parts by weight, curing accelerator 0.07 ~ 0.15 parts by weight, retardant 0.01 ~ 0.03 parts by weight, dilution inhibitor 0.04 ~ 0.2 parts by weight, It is characterized by comprising 0.5 to 1.2 parts by weight of inorganic coagulant and 42 to 66 parts by weight of silica sand. |