A method of using geopolymer coating material for marine concrete protection
A technology for marine concrete and polymer coating, applied in cement production and other directions, can solve the problem of insufficient mitigation effect, and achieve the effects of eliminating air bubbles, strengthening construction performance, and improving rheological properties
Active Publication Date: 2019-10-01
TAIZHOU BRANCH ZHEJIANG-CALIFORNIA INT NANOSYSTEMS INST
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Problems solved by technology
At the same time, the easy shrinkage and cracking of geopolymers in the process of setting and hardening can be alleviated by MgO-based expansion agents and PP fibers, but in practical applications, this mitigation effect is not enough
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Abstract
The invention relates to the technical field of concrete anticorrosion, and provides a method for using a geopolymer coating material used for protecting a marine concrete. The method employs a spraying or brush coating mode for coating the surface of the marine concrete with the geopolymer coating material, the thickness of the coating is 5-10 mm; the coating after coating has no cracks, the adhesive force is greater than or equal to 2.0 MPa, and the dielectric flux of the protected marine concrete for 6 h is less than or equal to 500 C. The method employs multiple guarantee measurements, the polymer coating material is cooperated for enhancing anti-dry-shrinkage cracking performance; an organic functional material is subjected to complex formulation for enhancing hydrophobic and anti-ion penetration functions of the geopolymer coating material; by preferably selecting a functional auxiliary agent, the rheological performance of the geopolymer coating material is increased, bubbles in a slurry during a preparation process can be eliminated, and the construction performance of the geopolymer coating material is reinforced.
Description
technical field The invention relates to the technical field of marine high-performance concrete anticorrosion, in particular to a method for using a geopolymer coating material for marine concrete protection. Background technique my country is a big ocean country, and it is an important strategic decision to develop marine resources and develop marine economy. Marine engineering construction is an important prerequisite and basic guarantee for comprehensive marine development. However, due to the particularity of the marine environment (strong radiation, high salinity, high humidity, etc.), it will cause corrosion and damage of metal materials, cracking and expansion of reinforced concrete structures, and polymer materials. Deformation and deterioration etc. As an important material in marine engineering, concrete has high requirements for its durability. Conventional marine high-performance concrete has certain effects on inhibiting the deterioration and failure of mater...
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IPC IPC(8): C04B28/00C04B111/74
CPCC04B28/006C04B2111/00482C04B2111/74C04B18/141C04B18/08C04B22/062C04B14/068C04B24/2623C04B16/0633C04B22/064C04B24/24C04B14/104C04B24/42C04B24/02C04B22/002C04B14/106C04B12/04C04B16/0641C04B18/146C04B24/282C04B22/142Y02P40/10
Inventor 汪海风林洲吴春春盛建松杨辉方竹根
Owner TAIZHOU BRANCH ZHEJIANG-CALIFORNIA INT NANOSYSTEMS INST