GB/T 34650-2017Full face tunnel boring machines - Safety requirements for shield machines (English PDF)
全断面隧道掘进机 盾构机安全要求
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Issued by
AQSIQ; SAC
Level / Type
National · Recommended
Issue date
October 25, 2017
Implementation date
May 1, 2018
Scope
GB/T 34650-2017 is the English-translated version of 全断面隧道掘进机 盾构机安全要求.
China's national safety standard for shield type tunnel boring machines. It specifies the safety requirements for these machines, within the full face tunnel boring machine series.
A shield machine works inside a steel tube that holds the ground open while the tunnel lining is built behind it, and that arrangement creates the machine's characteristic hazards.
People work inside a confined space, at pressure in some designs, alongside a rotating cutterhead, a screw conveyor carrying excavated ground, hydraulic rams pushing against the completed lining, and an erector handling concrete segments weighing several tonnes each.
Access to the cutting face for tool changes may require the working chamber to be entered under compressed air, which is a diving operation in all but name. And the whole assembly advances continuously through ground that can change from clay to rock to water-bearing sand within a few metres.
The standard addresses each of those as a distinct hazard with its own protective measures.
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Document preview — GB/T 34650-2017
National Standard of the People's Republic of China
- ICS
- 91.220
- Classification
- P 97
Issued by: General Administration of Quality Supervision, Inspection and Quarantine; Standardization Administration of the PRC
Contents
- ForewordIII
- 1 Scope1
- 2 Normative references1
- 3 Terms and definitions2
- 4 Dangerous list2
- 5 Safety requirements and measures4
- 6 Safety Requirements/Verification of Measures16
- 7 Product manual16
- Appendix A (Informative) Shield machine anti-roll ability calculation method19
- Appendix B (Normative) Operating environment air harmful gases and dust allowable concentration21
- Appendix C (Informative) Noise Determination22
- Appendix D (Normative) Warning signs and slogans24
- References32
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard is proposed by the China Machinery Industry Federation.
This standard by the National Building Machinery and Equipment Standardization Technical Committee (SAC/TC328) centralized.
This standard drafting unit. China Railway Tunnel Group Co., Ltd., China Railway Engineering Equipment Group Co., Ltd., China Railway Construction Heavy Industry Group Co., Ltd.
Division, North Heavy Industries Group Co., Ltd., Shield and Tunneling Technology State Key Laboratory, Sichuan Ertan International Engineering Consulting Co., Ltd., Stone
Jia Zhuang Railway University, China Railway Tunnel Survey and Design Institute Co., Ltd., CCCC Tianhe Machinery Manufacturing Co., Ltd., Shanghai Tunnel Engineering Co., Ltd.
Division, China Railway 11th Bureau Group Co., Ltd., Na Tuo Lubrication Technology (Shanghai) Co., Ltd., Beijing Institute of Construction Machinery.
The main drafters of this standard. Zhou Jianjun, Yang Shaopu, Tan Shunhui, Cheng Yongliang, Hongkai Rong, Wei Weixian, Shi Zhichun, Huang Jian, He Weiguo, Liu Jie,
Xu Tao, Guo Jingbo, Sun Zhihong, Ma Chengbiao, Deng Liying, Wang Zhaohui, Shen Jianhua, Liu Fusheng, Kong Xiaowei, Wan Weiyan, Li Jing, Sun Zhen, Liu Shuang, Guo Lu, Xie Gang.
Full face tunnel boring machine shield machine safety requirements
1 Scope
This standard specifies the list of dangerous shield machine, safety requirements and measures and validation of the product manual requirements.
This standard applies to circular cross-section shield machine, other types of shield machine can be implemented by reference.
This standard does not include all the mechanical, electrical, hydraulic, pneumatic and other devices dangerous, nor does it include all the risks involved in the common standards
risk. This standard does not include the dangers see GB/T 15706 provisions.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version applies to this document. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 150 (all parts) pressure vessels
GB/T 1094.2 Power transformers - Part 2. Temperature rise of liquid immersed transformers
GB/T 1094.3 Power Transformer Part 3. Insulation level, insulation test and external insulation air gap
GB/T 1094.11 Power transformers - Part 11. Dry-type transformers Ergonomics GB/T 1251.2 visual signals of danger General requirements, design and testing Ergonomics hazards and information visual audio - visual signal system
GB/T 1591 low-alloy high-strength structural steel
GB/T 1985-2014 high-voltage AC isolation switch and earthing switch
GB 2893-2008 safe color
GB 2894-2008 Safety signs and guidelines for their use
GB/T 3683 rubber hoses and hose assemblies oil-based or water-based fluid wire braid enhanced hydraulic specifications
GB/T 3766 hydraulic drive systems and components of the general rules and safety requirements
GB 5226.1 Safety of machinery - Electrical machinery and electrical equipment - Part 1. General specifications
GB/T 6067.1 Hoisting Machinery Safety Code Part 1. General
GB 7247.1-2012 Safety of laser products - Part 1. Equipment classification, requirements
GB/T 7932 pneumatic system of general technical conditions
Remaining clauses in the full document
- 3 Terms and definitions
- 4 Dangerous list
- 5 Safety requirements and measures
- 6 Safety Requirements/Verification of Measures
- 7 Product manual
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 35 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 1094.3Power transformers -- Part 3: Insulation levels, dielectric tests and external clearances in air
- GB/T 1094.11Power transformers—Part 11: Dry-type transformers
- GB/T 1251.2Ergonomics -- Visual danger signals -- General requirements design and testing
- GB/T 1591High strength low alloy structural steels
- GB/T 1985-2014High-voltage alternating current disconnectors and earthing switches
- GB 2894-2008Safety colours and safety signs
GB/T 150 · GB/T 1094.2 · GB 2893-2008 · GB 5226.1
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