Dry-method-connection assembly type partition board
A prefabricated, partition board technology, applied in the direction of walls, building components, buildings, etc., can solve the problems of easy generation of waste water, dust, unenvironmental protection of construction, low assembly efficiency, etc., to achieve good integrity, high construction efficiency, construction The effect of environmental protection
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[0037] The preparation step of described concrete comprises:
[0038] (1) In parts by weight, add 1 to 2 parts of tannic acid to 8 to 13 parts of saturated CaCl at 25°C 2 In the aqueous solution, after the precipitate is no longer precipitated in the solution, the precipitate is filtered and dried to obtain tannic acid chelating calcium ions.
[0039] (2) In parts by weight, 7 to 14 parts of tannins for chelating calcium ions are added to 16 to 25 parts of phenolic resins, 1 to 2 parts of basic catalysts are added, and the temperature is raised to 40° C. after stirring and mixing. Reaction 1h. Then add 34-50 parts of sulfoaluminate cement, 25-35 parts of fly ash, 1-2 parts of polycarboxylate superplasticizer, stir and mix well, add water and stir fully, so as to obtain quick-drying, high-strength , self-healing concrete; the total weight of each of the above components is 100 parts.
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