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Anti-degradation complexing material for concrete structures of salinized soil regions

A concrete structure, anti-deterioration technology, applied in the direction of sustainable waste treatment, solid waste management, climate sustainability, etc., can solve problems such as salty windy sand, unsuitable anti-corrosion materials, etc., to achieve convenient construction, long service life, Enhanced durability and deterioration resistance

Inactive Publication Date: 2012-07-18
周旭荣
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The reason is that the usual anti-corrosion materials are not suitable for special harsh environments such as desert salt lake areas, especially in environments with heavy or ultra-saline soil, underground heavy brine, strong freeze-thaw, strong ultraviolet rays, strong windy sand with salt, and large temperature differences.

Method used

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  • Anti-degradation complexing material for concrete structures of salinized soil regions
  • Anti-degradation complexing material for concrete structures of salinized soil regions
  • Anti-degradation complexing material for concrete structures of salinized soil regions

Examples

Experimental program
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Effect test

Embodiment 1

[0013] The anti-deterioration complexing material of the concrete structure in the saline soil area of ​​the present embodiment includes Portland cement or ordinary silicon cement 45.1wt%; 80 mesh fine sand (83 μm) 22.5wt%; quicklime 7.2wt%; slaked lime powder 2.7wt% ; fly ash 0.66wt%; slag powder 2.0wt%; silicon dioxide superfine powder 8.2wt%; sodium montmorillonite powder 1.8wt%; diatomite 0.9wt%; instant solid water glass 3.5wt%; Calcined stone powder 2.2wt%; zinc silicon fluoride 0.27wt%; sodium polyacrylate 0.18wt%; hydroxypropyl methylcellulose powder 0.18wt%; zinc stearate 1.8wt%; naphthalenesulfonate formaldehyde condensate 0.45wt%; sugarcane molasses powder 0.18wt%; citric acid crystals 0.09wt%; silicone defoamer 0.09wt%.

Embodiment 2

[0015] The anti-deterioration complexing material of the concrete structure in the saline soil region of the present embodiment includes Portland cement or ordinary silicon cement 40wt%; 180 mesh fine sand (198 μm) 23wt%; quicklime 7.8wt%; hydrated lime powder 3.2wt%; powder 0.8wt% of coal ash; 2.5wt% of slag powder; 8.7wt% of silicon dioxide superfine powder; 2.3wt% of sodium montmorillonite powder; 1.0wt% of diatomite; Burning powder 2.9wt%; Zinc silicon fluoride 0.35wt%; Sodium polyacrylate 0.25wt%; Hydroxypropyl methylcellulose powder 0.25wt%; Zinc stearate 2wt%; ; sugarcane molasses powder 0.25wt%; citric acid crystal 0.15wt%; organic silicon defoamer 0.15wt%.

Embodiment 3

[0017] The anti-deterioration complexing material of the concrete structure in the saline soil area of ​​the present embodiment comprises 50wt% of Portland cement or ordinary silicon cement; 20wt% of 100 mesh fine sand (103 μm); 7.5wt% of quicklime; 3.2wt% of hydrated lime powder; 0.5wt% of coal ash; 1.5wt% of slag powder; 7.7wt% of silicon dioxide superfine powder; 1.3wt% of sodium montmorillonite powder; 0.8wt% of diatomite; Calcined powder 2wt%; zinc silicon fluoride 0.20wt%; sodium polyacrylate 0.14wt%; hydroxypropyl methylcellulose powder 0.10wt%; zinc stearate 1.0wt%; ; sugarcane molasses powder 0.10wt%; citric acid crystal 0.03wt%; organic silicon defoamer 0.03wt%.

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Abstract

The invention provides an anti-degradation complexing material for concrete structures of salinized soil regions, which is suitable for preventing the concrete structures from degradating in the various environments, particularly in the environments with heavily and super salinized soil, underground heavy bittern, strong freezing and thawing, intense ultraviolet, salt-containing dust storms, large temperature difference and the like. The anti-degradation complexing material comprises Portland cement or ordinary Portland cement, fine sands with 80-180 meshes, calcined lime, slaked lime, coal ash, slag micro powder, silicon dioxide ultrafine powder, sodic smectite powder, diatomaceous earth, instant solid water glass, alunite annealing powder, zinc fluosilicate, sodium polyacrylate, hydroxypropyl methyl cellulose, zinc stearate, a naphthalenesulfonate methanal condensation compound, cane molasses powder, citric acid crystals and organosilicone antifoaming agents. The anti-degradation complexing material for the concrete structures of the salinized soil regions can repair concrete structure gaps after encounters water, greatly enhances the durability and anti-degradation performance of the concrete structures and is suitable for the various environments.

Description

technical field [0001] The invention relates to a concrete structure building material, in particular to an anti-deterioration complexing material for concrete structures in saline soil areas. Background technique [0002] In the past, many scholars and experts at home and abroad believed that "concrete is a durable structure". In the former Soviet republics and China's desert salt lake area and its vicinity, anti-corrosion materials used in previous projects (hot asphalt, Russian polysulfide rubber, Russian formaldehyde acetone, Russian ammonium carbonate formaldehyde, Russian diene styrene emulsion, Russian alkyd resin, Perchlorethylene, epoxy anti-corrosion coating, low-density polyethylene, high-chlorinated polyethylene, calcium naphthenate soap, American concrete permanent fluid, scale coating, acrylic polyurethane coating, Russian X∏-734, epoxy resin Coating, etc.) is not obvious for the anti-deterioration effect of concrete structures in strong and over-saline soil a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/04
CPCC04B28/26Y02W30/91C04B7/02C04B14/06C04B18/06C04B18/141C04B18/146C04B22/064C04B24/06C04B24/08C04B24/10C04B24/226C04B24/2641C04B24/383C04B24/42
Inventor 周旭荣吴文峰周靖伟王春明侯文婷张红陈智辉张再良
Owner 周旭荣
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