The invention discloses
flame-retardant high-temperature-resistant concrete and a preparation method thereof. The
flame-retardant high-temperature-resistant concrete is prepared from the following components in parts by weight: 30 to 40 parts of
cement, 12 to 30 parts of clay clinker, 18 to 30 parts of water, 8 to 15 parts of magnesia, 2 to 3 parts of a
water reducer, 5 to 10 parts of
alumina, 1 to 2 parts of a modifier, 1 to 2 parts of
graphene, 1 to 2 parts of a
flame retardant agent, 0.1 to 0.4 part of hexenyl distearamide, and 0.05 to 0.3 part of
polyethylene glycol. The used materials are simple and easy to obtained, the process is easy to control, the production cost is low, and the preparation method adapts to
mass production; the ratio is reasonable, and the
water reducer, the modifier and the flame retardant agent are formed through compounding, so that the
compressive strength of the flame-retardant high-temperature-resistant concrete is significantly enhanced, the dry
shrinkage rate is significantly decreased, and the water
absorption rate per volume is decreased significantly; and in addition, the preparation method of the flame-retardant high-temperature-resistant concrete is simple and feasible, has no special requirements on equipment, and is simple to operate.