Preparation method of early-strength high-efficiency alkali-free accelerator
An accelerator and high-efficiency technology, applied in the field of composite materials, can solve problems affecting tunnel construction efficiency, pollutants, concrete strength and low interlayer bonding force, and achieve the goal of promoting sustainable development of the environment, tunnel construction, and improving work efficiency Effect
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[0018] The technical solutions in the embodiments of the present invention will be clearly and completely described below. Obviously, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0019] The invention provides a technical solution:
[0020] A preparation method of an early-strength and high-efficiency alkali-free accelerator. The formula of the accelerator includes basalt fiber, fluosilicic acid, light-burned magnesia, aluminum sulfate, polyacrylamide and triethanolamine, and the component of the basalt fiber is 3-5 100 parts, 100 parts of fluosilicic acid, and 10%-20% of fluosilicic acid, 10 parts of light-burned magnesia, and not less than 90% of light-burned magnesia, aluminum sulfate 40-50 parts, the par...
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