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A kind of anti-rust strengthening agent for steel fiber concrete surface and preparation method thereof

A technology of steel fiber reinforced concrete and reinforcing agent, applied in the field of building materials, can solve the problems of waste of resources and energy, unable to prevent corrosion of chloride-salted steel bars, unable to cope with corrosion of steel fibers, etc. effect of ability

Active Publication Date: 2017-07-25
JIANGSU SOBUTE NEW MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The present invention aims at the problems that the anti-rust treatment in the prior art cannot deal with the corrosion of steel fibers in concrete, or that the prior art tends to cause a large amount of waste of resources and energy, and cannot prevent corrosion media such as chloride salts from migrating to the interior of the concrete to cause corrosion of steel bars, etc. Provided are a rust-resistant enhancer capable of simultaneously realizing steel fiber rust prevention and surface concrete reinforcement in a concrete structure and a preparation method thereof, as well as the application of the rust-resistant enhancer on the surface layer of a steel fiber concrete structure

Method used

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  • A kind of anti-rust strengthening agent for steel fiber concrete surface and preparation method thereof
  • A kind of anti-rust strengthening agent for steel fiber concrete surface and preparation method thereof

Examples

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Effect test

Embodiment 1

[0036] A kind of antirust strengthening agent for steel fiber concrete surface layer and its preparation method, said antirust strengthening agent is formed by mixing the following components by weight percentage:

[0037] Osmotic Reaction Component, Sodium Silicate, 30%,

[0038] Catalyst component, sodium fluorosilicate, 2.0%,

[0039] Wetting and dispersing component, sodium dodecylbenzenesulfonate, 0.05%,

[0040] Antirust component, calcium nitrite and ethanolamine, 5%,

[0041] Hydrophobic component, potassium methyl silicate, 7%;

[0042] Stabilizing component, isopropanol, 1.5%;

[0043] The balance is water, and the total weight is calculated as 100%.

[0044] The preparation method of the anti-rust enhancer: first weigh half of the amount of water and place it in the reactor, add the osmotic reaction components, and stir for 10 minutes at a stirring speed of 60r / min; then weigh the other half of the water and place it in the reactor , add the catalyst component an...

Embodiment 2

[0047] A kind of antirust strengthening agent for steel fiber concrete surface layer and its preparation method, said antirust strengthening agent is formed by mixing the following components by weight percentage:

[0048] Osmotic Reaction Component, Potassium Silicate, 25%,

[0049] Catalyst component, magnesium fluorosilicate, 0.9%,

[0050] Wetting and dispersing component, lecithin and triisopropanolamine, 0.03%,

[0051] Antirust component, sodium molybdate and diethanolamine, 1%,

[0052] Hydrophobic component, sodium methyl silicate, 5%;

[0053] Stabilizing component, diethylhexanol, 0.5%;

[0054] The balance is water, and the total weight is calculated as 100%.

[0055] The preparation method of the anti-rust enhancer: first weigh half of the amount of water and place it in the reactor, add the osmotic reaction components, and stir for 10 minutes at a stirring speed of 60r / min; then weigh the other half of the water and place it in the reactor , add the catalyst...

Embodiment 3

[0058] A kind of antirust strengthening agent for steel fiber concrete surface layer and its preparation method, said antirust strengthening agent is formed by mixing the following components by weight percentage:

[0059] Osmotic Reaction Component, Lithium Silicate, 10%,

[0060] Catalyst component, ammonium fluorosilicate, 0.5%,

[0061] Wetting and dispersing component, perfluorosurfactant, 0.01%,

[0062] Antirust component, sodium benzoate and N-methylethanolamine, 2%,

[0063] Hydrophobic component, sodium methyl siliconate, 10%;

[0064] Stabilizing component, diisobutylmethanol, 2.0%;

[0065] The balance is water, and the total weight is calculated as 100%.

[0066] The preparation method of the anti-rust enhancer: first weigh half of the amount of water and place it in the reactor, add the osmotic reaction components, and stir for 10 minutes at a stirring speed of 60r / min; then weigh the other half of the water and place it in the reactor , add the catalyst com...

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Abstract

The invention relates to a corrosion-inhibiting reinforcing agent used for a surface layer of steel fiber reinforced concrete and a preparing method thereof. The agent is prepared by mixing a 10-30% by weight of a permeable reactive component, 0.5-2.0% by weight of a catalyst component, 0.01-0.05% by weight of a moistening and dispersing component, 1-5% by weight of an anti-corrosion component, 5-10% by weight of a hydrophobic component, and 0.5-2% by weight of a stabilizing component, with the balance being water. The agent can effectively improve strength, corrosion resistance, resistance to medium penetration, and other physical-mechanical properties and durability of the surface layer of the steel fiber reinforced concrete, thus greatly reducing problems caused by steel fiber corrosion, such as surface rust spots and decreased concrete mechanical performances, and largely improving outer quality and durability of a steel fiber reinforced concrete structure in a corrosive-medium environment.

Description

technical field [0001] The invention belongs to the technical field of building materials, and in particular relates to a rust-resistant strengthening agent for the surface layer of steel fiber concrete and a preparation method thereof. Background technique [0002] Steel fiber concrete is based on the ordinary concrete mixed with a certain amount of steel fibers so that it is uniformly and disorderly distributed in it, so as to hinder the expansion of micro-cracks inside the concrete and block the occurrence of macro-cracks, thereby significantly improving the tensile strength of concrete. Anti-bending, anti-shock, anti-explosion and anti-fatigue properties. At present, steel fiber reinforced concrete has been widely used in various engineering fields such as civil construction, municipal administration, transportation, ocean, tunnel and water conservancy. [0003] However, after the concrete is poured, the steel fibers exposed to the surface are often corroded by the acti...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B41/50C04B111/26
CPCC04B41/5024C04B41/46C04B41/5009C04B41/4905C04B41/463C04B41/502C04B41/5007C04B41/466
Inventor 刘建忠石亮姜骞穆松张倩倩韩方玉蔡景顺夏新杰
Owner JIANGSU SOBUTE NEW MATERIALS
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