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GB/T 37575-2019: Cathodic protection of buried grounding conduct
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Cathodic protection of buried grounding conduct
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GB/T 37575-2019
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Basic data | Standard ID | GB/T 37575-2019 (GB/T37575-2019) | | Description (Translated English) | Cathodic protection of buried grounding conduct | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | A29 | | Classification of International Standard | 25.220.99 | | Word Count Estimation | 10,128 | | Date of Issue | 2019-06-04 | | Date of Implementation | 2020-05-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 37575-2019: Cathodic protection of buried grounding conduct---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Cathodic protection of buried grounding conduct
ICS 25.220.99
A29
National Standards of People's Republic of China
Buried grounding body cathodic protection technology
Published on.2019-06-04
2020-05-01 implementation
State market supervision and administration
China National Standardization Administration issued
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard was proposed by the China Petroleum and Chemical Industry Federation.
This standard is under the jurisdiction of the National Anti-corrosion Standardization Technical Committee (SAC/TC381).
This standard was drafted. Shenyang Zhongke Corrosion Control Engineering Technology Center, Institute of Metal Research, Chinese Academy of Sciences, China Corrosion International Corrosion Control Worker
Cheng Technology Research Institute (Beijing) Co., Ltd., Shenyang Zhongke Corrosion Control Engineering Technology Co., Ltd., Zhejiang Terpene Corrosion Control Co., Ltd.
Division, Xi'an Taijin Industrial Electrochemical Technology Co., Ltd., China Industrial Anti-Corrosion Technology Association.
Drafters of this standard. Zhao Jian, Hu Jiaxiu, Han Enhou, Ke Wei, Wang Guiming, Yu Yu, Ou Rujie, Liu Yanqiang, Zhang Yuping, Jin Wei, Ren Peng.
Buried grounding body cathodic protection technology
1 Scope
This standard specifies the determination, criteria, system design, installation, and control of the cathodic protection of large buried earthing structures.
Test and maintenance, record requirements.
This standard applies to cathodic protection systems for new and built-in grounding structures.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article.
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 21448 buried steel pipeline cathodic protection technical specification
GB/T 33373 corrosion protection electrochemical protection terminology
GB 50058 Explosion Hazardous Environment Power Equipment Design Specification
GB/T 50698 buried steel pipeline AC interference protection technical standards
SY/T 0017 buried steel pipeline DC drainage protection technical standards
ISO 15589.1 Cathodic protection for pipeline systems in the petroleum, petrochemical and natural gas industries - Part 1. s.
petrochemicalandnaturalgasindustries-Cathodicprotectionofpipelinesystems-Part 1.On-land
Pipelines)
Design, installation, operation and maintenance of NACERP0572 impressed current deep bed (Design, instalation, operation, and
Maintenanceofimpressedcurrentdeepgroundbeds)
3 Terms and definitions
The following terms and definitions as defined in GB/T 33373 apply to this document.
3.1
Grounding body groundingconductor
A metal conductor buried underground and in direct contact with the earth.
3.2
Grounding grid
A mesh grounding device consisting of vertical and horizontal grounding bodies with bleed and pressure equalization.
3.3
Cathodic polarization potential cathodicalypolarizedpotential
No IR (ie, the current I flowing through the cathodic protection loop and the product of the protected body to the electrolyte resistance R between the electrodes)
Extreme protection potential.
4 symbols and abbreviations
The following symbols and abbreviations apply to this document.
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