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GB/T 28721-2012 English PDF

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US$489.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 28721-2012: Cathodic protection of reinforcing steel in atmospherically exposed concrete structures
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 28721-2012	489	Add to Cart	4 days	Cathodic protection of reinforcing steel in atmospherically exposed concrete structures	Valid

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Basic data

Standard ID: GB/T 28721-2012 (GB/T28721-2012)
Description (Translated English): Cathodic protection of reinforcing steel in atmospherically exposed concrete structures
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: A29
Classification of International Standard: 25.220.99
Word Count Estimation: 21,270
Quoted Standard: GB 4208; GB/T 10123; GB/T 12706.1; GB 19212.5; GB/T 19285; GB/T 50344; CB 3220; JGJ/T 23; BS EN 1504-9; GB/T 12706.2; GB/T 12706.3; GB/T 12706.4
Regulation (derived from): National Standards Bulletin No. 24 of 2012
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the atmospheric environment of the cathodic protection of reinforced concrete terms and definitions, general principles, building or structure condition assessment and repair, cathodic protection systems, installation procedures, t

GB/T 28721-2012: Cathodic protection of reinforcing steel in atmospherically exposed concrete structures

---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.
ICS25.220.99 A29 National Standards of People's Republic of China Cathodic protection of reinforced concrete atmospheric environment Issued on. 2013-02-01 2012-09-03 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Introduction Ⅲ 1 Scope 1 2 Normative references 1 3 Terms and definitions 4 General 2 4.1 Design 2 4.2 Quality Management 2 4.3 2 persons 5 building or structure status assessment and repair 2 5.1 General provisions 2 5.2 Profile 3 5.3 Visual inspection and stratified survey 3 5.4 Analysis of Chloride 5.5 carbonation depth measurement 3 5.6 Reinforced concrete protective layer thickness and position 3 5.7 Reinforced electrical continuity 3 5.8 steel/concrete potential 3 5.9 concrete resistivity 3 5.10 integrity requirements 4 5.11 Cement-based cladding layer 4 New structures 4 5.12

6 cathodic protection system

6.1 System components 5 6.2 Power supply 5 DC power supply unit 5 6.3 6.4 anode 5 6.5 monitoring sensor 6 6.6 Monitoring Equipment 7 6.7 Data Management System 7 6.8 Cable 8 8 6.9 Terminal box 7 Setup 9 9 7.1 electrical continuity 7.2 Performance Monitoring System 9 7.3 Reinforced concrete connection 9 7.4 Compatibility with cathodic protection components related to concrete repair 9 7.5 before treatment anode mounting surface 9 7.6 Anode Installation 9 7.7 anode connection 9 7.8 implementation of anode coating, sealant or decorative surface coating 10 7.9 Electrical installation 10 7.10 installation test 10 8 Commissioning 10 8.1 Visual inspection 10 Measuring 8.2 energized before 10 10 8.3 Initial power 8.4 for initial commissioning 11 8.5 Initial Performance Evaluation 11 11 8.6 Protection criteria 8.7 Adjustment protection current 11 9 system records and documents 11 9.1 Quality and test records 11 9.2 Installation and Commissioning Report 11 9.3 Operation and Maintenance Manual 12 Operation and maintenance 10 12 10.1 cycles and program 12 10.2 reviewed 12 10.3 System Review Report 13 Appendix A (informative) design process 14 References 16

Foreword

This standard rule according to GB/T 1.1-2009 given draft. The standard proposed by China Petroleum and Chemical Industry Association. This standard by the National Standardization Technical Committee anti-corrosion (SAC/TC381) centralized. This standard was drafted. Suzhou Institute of Thermal Engineering Co., Ltd., China's industrial anti-corrosion Technology Association, Nanjing Hydraulic Research Institute, the ADB Bay Nuclear Power Operations Management Co., Ltd., Sinopec Northwest Oilfield Branch Institute of Corrosion Engineering Center. The main drafters of this standard. high Yuzhu, Ge Yan, Li Ji gram, single-letter, Lin Bin, Liu Shuang, Zhu Xichang, Li Yan, Zhou Bo, Yan Yonggui, Wang Hao, Yang Dongming. Cathodic protection of reinforced concrete atmospheric environment

1 Scope

This standard specifies the atmospheric environment of reinforced concrete cathodic protection of terms and definitions, general provisions, and to assess the state of the building or structure Maintenance, cathodic protection systems, the installation, commissioning, system records and documents, operation and maintenance. This standard applies to cathodic protection of reinforced concrete atmosphere.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated edition applies to this article Member. For undated references, the latest edition (including any amendments) applies to this document. GB 4208 enclosure protection (IP code) GB/T 10123 corrosion of metals and alloys - Basic terms and definitions GB/T 12706 (all parts) Rated voltage 1kV (Um = 1.2kV) to 35kV (Um = 40.5kV) extruded insulation power electricity Cable & Accessories GB 19212.5 supply voltage is 1100V and below transformers, Part 5 Safety reactors, power supply units and similar products Score. Particular requirements and tests and built-in isolation transformer isolation transformer power supply unit GB/T 19285 buried steel pipeline corrosion protection engineering inspection GB/T 50344 standard technical inspection of building structure CB * 3220 Marine potentiostat technical conditions JGJ/T23 Rebound Method Technical specification for testing concrete compressive strength BSEN1504-9 for the protection and repair products and systems for concrete structures defined, requirements, quality control and conformity assessment section General Provisions products and systems used (Productsandsystemsfortheprotectionandrepairofconcrete. 9 part structures-Definitions, requirements, qualitycontrolandevaluationofconformity-Part 9. General principlesfortheuseofproductsandsystems)

3 Terms and Definitions

GB/T 10123 as defined in the following terms and definitions apply to this document. 3.1 Regional zone A part of the cathodic protection system. 3.2 Confluence drainpoint Cathode cable connection points are reinforced to protect buildings or structures, protection current through this point back to the source. 3.3 Anode anode Protection provided by an external power supply current electrode of a building or structure for cathodic protection of reinforced. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 28721-2012_English be delivered?

Answer: Upon your order, we will start to translate GB/T 28721-2012_English as soon as possible, and keep you informed of the progress. The lead time is typically 2 ~ 4 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 28721-2012_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 28721-2012_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.