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Ecological corrosion prevention method for serving marine reinforced concrete engineering

A kind of reinforced concrete and ecological technology, which is applied in the field of ecological anti-corrosion of marine reinforced concrete projects and marine sequestration biological anti-corrosion. It can solve the problems of insufficient durability of reinforced concrete, rare and loose oyster attachment, and achieve rapid sequestration Effects of attachment, changing the status quo of the ecological environment, and promoting long-term growth

Active Publication Date: 2020-04-10
HARBIN ENG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0022] The purpose of the present invention is to realize the dense attachment of oysters in the whole sea area to the surface of the marine reinforced concrete structure in service by painting the coating on the concrete surface to induce the adhesion of marine sessile organisms. Insufficient durability of reinforced concrete, broaden the application field of biological anti-corrosion technology, and at the same time realize the ecological restoration of marine engineering

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0052] (1) Investigation of the sea area where the concrete structure is built: Investigate the dominant species of oysters in the sea area and whether there are oysters attached, and test and record the air temperature, sea water temperature, dissolved oxygen, plankton, and total dissolved inorganic nitrogen in the sea area once a week , active phosphate, active silicate and Ca 2+ , Zn 2+ 、K + At the same time, the number and intensity of typhoons over the years were investigated; and the meteorological and hydrological data of the sea area were consulted for many years; the feasible methods and solutions for the construction of marine concrete engineering structures were analyzed;

[0053] (2) Cultivation of oyster eye-spot larvae: Collect mature oyster oyster broodstock in local sea areas, obtain sperm and eggs by dissection, artificially inseminate, and cultivate indoors until more than 60% of the larvae reach the eye-spot larvae stage. During the cultivation process, sa...

Embodiment 2

[0059] (1) Survey of the sea area where the concrete structure is built: investigate the dominant species of oysters in the sea area and whether there are oysters attached, investigate the number and intensity of typhoons over the years, and check the meteorological and hydrological data of the sea area for many years in the construction area; Air temperature, seawater temperature, dissolved oxygen, plankton, total dissolved inorganic nitrogen, active phosphate, active silicate and Ca in the sea area 2+ , Zn 2+ 、K + Ion test and record, analyze the feasible methods and solutions for the construction of marine concrete engineering structures;

[0060] (2) Cultivation of oyster eye-spot larvae: collect mature oyster oyster broodstock in local sea areas, obtain sperm and eggs by dissection, artificially inseminate, and cultivate indoors until more than 70% of the larvae reach the eye-spot larvae stage. During the cultivation process, sand-filtered seawater was used with a densi...

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Abstract

The invention relates to a marine sessile organism corrosion prevention technology, and particularly relates to an ecological corrosion prevention method for a serving marine reinforced concrete engineering, and belongs to the field of marine sessile organism and marine engineering interdisciplinary. The method comprises the steps of concrete structure construction position sea area investigation,oyster eyespot larva culture, concrete surface cleaning, concrete structure construction, coating and curing, field attachment and larva attachment monitoring and management. A cement-based coating for inducing sessile organisms is adopted, the characteristics of being capable of rapidly inducing attachment and metamorphosis of the sessile organisms and promoting long-term growth are achieved, the characteristics of being easy to construct and easy to coat are achieved, the novel marine sessile organism corrosion prevention technology for reinforced concrete engineering in the marine environment is developed, the durability of reinforced concrete can be greatly improved, meanwhile, the ecological environment of the sea area is improved, the ecological environment current situation of serving engineering is changed, and the damaged ecological environment is repaired.

Description

technical field [0001] The invention relates to an anti-corrosion technology of marine sessile organisms, in particular to an ecological anti-corrosion method for marine reinforced concrete engineering, which belongs to the interdisciplinary field of marine sessile organisms and marine engineering. Background technique [0002] Reinforced concrete is widely used in marine infrastructure construction, such as harbor terminals, sea-crossing bridges, ocean platforms and subsea tunnels, etc. However, the corrosion of steel bars caused by chloride ion corrosion greatly shortens its service life and brings a huge economic burden to the society. So far, representative reinforced concrete anti-corrosion technologies mainly include high-performance concrete, surface coating, FRP bars, steel bar rust inhibitors, and electrochemical protection technologies. The disadvantages or deficiencies of these anti-corrosion technologies include one or more of difficult construction, insufficien...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04B1/64A01K61/54
CPCE04B1/642A01K61/54Y02A40/81
Inventor 吕建福郭轶宏
Owner HARBIN ENG UNIV
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