Concrete nanocrystalself-compacting agent and preparationmethod thereof

Abstract

The invention discloses a concrete nanocrystalself-compacting agent and a preparationmethod thereof and solves the problem of severe water leakage condition of a building due to unreasonable raw material design of concrete in the prior art. The concrete nanocrystalself-compacting agent is prepared from raw materials in parts by weight as follows: 9-11 parts of methoxypolyethylene glycols, 5-7 parts of maleic anhydride, 5-7 parts of hydroquinone, 50-53 parts of tap water, 7-9 parts of nanometer aluminium oxide, 12-14 parts of cane molasses and 4-5 parts of sodium dichromate. The raw materials replace a water reducing agent, a pumping aid, a retarder, an expanding agent and a waterproof agent with single function in the concrete, one agent is multipurpose, the problem of proneness to chemical incompatibility caused by mixed use of admixtures is solved, few water leakage conditions are caused in a practice process, the service life of the building is long, and the social benefit is remarkable.

Description

technical field [0001] The invention relates to the technical field of building materials, in particular to a nano-crystal self-compacting agent for concrete and a preparation method thereof. Background technique [0002] In my country's buildings, water leakage in underground projects such as basements, subways, tunnels, caverns, pipe galleries, and underground pedestrian passages is still one of the more common quality problems in domestic construction projects, and it is also The main problem for technicians to study. Leakage of different degrees in my country's underground projects accounts for more than 95%, and the cost of plugging and maintenance is relatively high. Water seepage from underground works causes corrosion of structural steel bars, a sharp drop in steel strength, and concrete expansion and damage. The design service life is reduced from 50 to 100 years to 20 to 30 years, causing serious property and economic losses, and even threatening people's lives. T...

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Problems solved by technology

[0003] The present invention proposes a concrete nano-crystallization self-compacting agent and its preparation method, which solves the problem of serious water leakage in buildings due to unreasonable raw material design of concrete in the prior art

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