A kind of preparation method of flame retardant high temperature resistant concrete
A technology of concrete and high temperature resistance, which is applied in the field of preparation of flame retardant and high temperature resistant concrete, can solve the problems of short watering interval and troublesome concrete maintenance, and achieves the effect of being convenient for storage and avoiding a large amount of evaporation.
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[0035] Such as Figure 1 to Figure 5 Shown, a kind of preparation method of flame-retardant high-temperature resistant concrete of the present invention, the preparation method of described flame-retardant high-temperature resistant concrete comprises the following steps:
[0036] S1: Stir and mix ordinary portland cement and fly ash at a ratio of 3:1 to form a base material, and add 2-4% glass fiber, 6-8% clay, and 3-5% to the base material Vitrified microbeads, 0.5-0.8 water reducer, uniformly stirred and mixed to obtain dry powder;
[0037] S2: Prepare a foaming agent with a total weight of 1-1.8% of the dry powder, and dilute it at a ratio of 1:45 to obtain a foaming agent, and pass the foaming agent into the foaming agent for foaming treatment;
[0038] S3: Stir and mix the dry powder material and water according to the ratio of 8:3 to prepare a slurry, put the slurry into the foaming agent treated in S2 for uniform mixing and stirring, and mix the mixed material after s...
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[0043] As an embodiment of the present invention, the upper end of the housing 1 is provided with evenly distributed second chute 41; the second chute 41 extends into the inner cavity of the housing 1; the second chute 41 There is a support plate 42 slidingly connected inside; the number of the support plates 42 is four, and the four support plates 42 are arranged in a rectangle; the side of the support plate 42 away from the second chute 41 is jointly fixed with a flexible bladder 43; The upper opening of the telescopic bag 43 and the lower part are fixedly connected to the upper surface of the housing 1; the support plate 42 and the telescopic bag 43 together form the water storage box 4; shaped design; the bottom of the support plate 42 is hinged with the limit block 44; the support plate 42 is elastically connected to the limit block 44 by a spring; the support plate 42 is fixedly connected with the meshing teeth 45; 45 engages with the second chute 41 cogged one end;
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