Pre-embedded reference electrode for monitoring corrosion of reinforced concrete, and manufacturing method

A reinforced concrete and corrosion monitoring technology, which is applied in the field of corrosion and protection of reinforced concrete structures, can solve the problems of restricting the corrosion monitoring of steel bars and the inability to meet the full life cycle monitoring of the corrosion state of steel bars, and achieve a good transmission effect

Active Publication Date: 2017-06-23
JIANGSU UNIV OF SCI & TECH +1
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Problems solved by technology

Although the service life of the reference electrode is significantly improved by the use of solid electrolytes, its service life is still less than 20 years, and it is still unable to meet t

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  • Pre-embedded reference electrode for monitoring corrosion of reinforced concrete, and manufacturing method
  • Pre-embedded reference electrode for monitoring corrosion of reinforced concrete, and manufacturing method

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Embodiment Construction

[0023] In order to make the purpose, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0024] The embodiment of the present invention is aimed at the specific implementation of the reference electrode after adding the post-activation seal and the water-absorbing swelling material. It is an embodiment to use the Ag / AgCl electrode as the electrode body to form the reference electrode of the present invention, but it is necessary to distinguish the actual There are Ag / AgCl reference electrodes and reference electrodes formed by the present invention using Ag / AgCl electrodes. As mentioned above, the preparation of the Ag / AgCl electrode body is not an example alone, and the same is tr...

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Abstract

The invention discloses a pre-embedded reference electrode for monitoring corrosion of reinforced concrete. The pre-embedded reference electrode comprises a copper cable, a sleeve, a gel electrolyte, an electrode body, a microporous ceramic block, a protective jacket, a post-activation sealing component, a water-absorbing expansion layer and a post-activation sealing component dissolution mortar; the post-activation sealing component is arranged outside a medium transmission end of the existing reference electrode to block the medium transmission between the internal electrolyte and concrete in the earlier period, the water-absorbing expansion layer is filled between the microporous ceramic of the medium transmission end of the reference electrode and the post-activation sealing component so as to fill up the gap after the post-activation sealing component is dissolved, so that the good transmission of medium can be guaranteed. The service life of the reference electrode is remarkably prolonged by adopting a later activation method, and the monitoring on the whole life cycle of the reinforced concrete corrosion state can be realized. The invention further discloses a manufacturing of the pre-embedded reference electrode for monitoring the corrosion of reinforced concrete.

Description

technical field [0001] The invention relates to a reference electrode, in particular to a pre-embedded reference electrode for corrosion monitoring of reinforced concrete, belonging to the technical field of corrosion and protection of reinforced concrete structures. Background technique [0002] The corrosion of steel bars caused by the intrusion of chloride ions is the main reason for the decline in the durability of concrete structures, which seriously threatens the service safety of concrete structures. Therefore, real-time monitoring and detection of the corrosion status of steel bars in concrete structures is carried out. Knowing the corrosion rate and corrosion degree of steel bars is of great significance for us to evaluate the service safety and remaining service life of concrete structures. The corrosion of steel bars caused by chloride ion intrusion is mainly electrochemical corrosion, and the reference electrode is the core component of the real-time monitoring a...

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Application Information

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IPC IPC(8): G01N27/30
CPCG01N27/301Y02A90/30
Inventor 汤雁冰蒋志勇刘志红乔岩欣郭平义
Owner JIANGSU UNIV OF SCI & TECH
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