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CJ/T 285-2008 English PDF

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CJ/T 285-2008: Floating slab rubber isolator for urban failway traffic
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PDF similar to CJ/T 285-2008


Standard similar to CJ/T 285-2008

TB/T 2140.2   TB/T 1979   TB/T 2140   CJJ/T 285   CJ/T 286   

Basic data

Standard ID CJ/T 285-2008 (CJ/T285-2008)
Description (Translated English) Floating slab rubber isolator for urban failway traffic
Sector / Industry Urban Construction Industry Standard (Recommended)
Classification of Chinese Standard S05
Classification of International Standard 45.040
Word Count Estimation 8,858
Date of Issue 2008-08-11
Date of Implementation 2008-12-01
Quoted Standard GB/T 528; GB/T 700; GB/T 1222; GB/T 1690; GB/T 2828.1; GB/T 2829; GB/T 3512; GB/T 7762; GB/T 11211; GB/T 15168
Regulation (derived from) Bulletin of the Ministry of Housing and Urban No. 93
Issuing agency(ies) Ministry of Housing and Urban-Rural Development of the People's Republic of China
Summary This standard specifies the urban rail transit floating slab rubber isolator (hereinafter referred to as isolator) requirements, test methods, inspection rules and signs, packaging, transport and storage. This standard applies to urban rail transit floating slab rubber isolator production and inspection.

CJ/T 285-2008: Floating slab rubber isolator for urban failway traffic

---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.
Floating slab rubber isolator for urban failway traffic ICS 45.040 S05 People's Republic of China urban construction industry standards Urban rail transit floating board rubber vibration isolator Posted.2008-08-11 2008-12-01 implementation Ministry of Housing and Urban-Rural Development, People's Republic of China released

Foreword

This standard proposed by the Ministry of Housing and Urban Standard and Design Institute. This standard by the Ministry of Housing and Urban Construction Urban Rail Transit Standard Technical focal point Ministry of Construction Subway and Light Rail Research Center. This standard is drafted by. China Shipbuilding Industry Corporation Institute of the Seventh. Participated in the drafting of this standard. Shanghai Municipal Engineering Design and Research Institute, Shanghai Shentong Rail Transport Research Consulting Co., Ltd.. The main drafters of this standard. Shen Jianping, Huang Lingen, Song Key, Zhang Bin, Zhuang Guohua, on behalf of the Army, the quarter of the text. Urban rail transit floating board rubber vibration isolator

1 Scope

This standard specifies the requirements of urban rail transit floating plate rubber vibration isolator (hereinafter referred to as vibration isolator), test methods, inspection rules and standards Log, packaging, transportation and storage. This standard applies to urban rail transit floating plate rubber vibration isolator production and inspection.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. All dated references, which are subsequently owned Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to reach an agreement based on this standard research Whether you can use the latest versions of these files. For undated references, the latest version applies to this standard. Rubber, vulcanized or thermoplastic - Determination of tensile stress - strain properties GB/T 700 carbon structural steel GB/T 1222 spring steel GB/T 1690 vulcanized rubber or thermoplastic rubber liquid test methods GB/T 2828.1 Sampling procedures for inspection - Part 1. Batch inspection sampling plan by acceptance quality limit (AQL) GB/T 2829 cycle test count sampling procedures and tables (for the stability of the test process) GB/T 3512 vulcanized rubber or thermoplastic rubber hot air accelerated aging and heat test Rubber, vulcanized, Aging resistance, Static tensile test Rubber, vulcanized - Determination of bonding strength with metal - Stretching method GB/T 15168 vibration and shock isolators performance testing methods

3 Terms and definitions

The following terms and definitions apply to this standard. 3.1 A rail transit damping device is a floating monolithic ballast bed adopting the principle of double-layer vibration isolation, the vibration isolation effect generally reaches 20dB ~ 35dB. 3.2 The lower floor vibration isolator installed on the floating board system is used to reduce the vibration transmission of the track structure generated in the operation of urban rail transit.

4 requirements

4.1 appearance 4.1.1 rubber a) The isolator rubber surface should be smooth, no bubbles, cracks, nip, loose and metal degumming (metal and rubber vulcanized products) phenomenon; b) Vibration isolator rubber surface to allow local rough or rough mold marks, but the depth of its depression should not exceed 1mm, the area should not be large At 10mm2, the number should not be more than 3.

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