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GB/T 39705-2020: Track bed vibration isolating mat for rail traffic
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 39705-2020 | English | 319 |
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Track bed vibration isolating mat for rail traffic
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GB/T 39705-2020
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Basic data | Standard ID | GB/T 39705-2020 (GB/T39705-2020) | | Description (Translated English) | Track bed vibration isolating mat for rail traffic | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | G47 | | Classification of International Standard | 83.140.99 | | Word Count Estimation | 17,113 | | Date of Issue | 2020-12-14 | | Date of Implementation | 2021-11-01 | | Quoted Standard | GB/T 528; GB/T 1690; GB/T 2941; GB/T 3512; GB/T 3672.1; GB/T 6343; GB/T 7759.1; GB/T 9258.1; GB/T 10653; GB/T 10654 | | Regulation (derived from) | National Standard Announcement No. 28 of 2020 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | | Summary | This standard specifies the classification and structure, technical requirements, test methods, inspection rules, signs, packaging, transportation and storage, and construction requirements of track bed vibration isolation mats (hereinafter referred to as track mattresses) for rail transit. This standard is applicable to polymer material track mattresses used in urban rail transit with broken rails and unsecured rails that adopt wheel-rail transportation. | GB/T 39705-2020: Track bed vibration isolating mat for rail 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.
(Track bed vibration isolation pad for rail transit)
ICS 83:140:99
G47
National Standards of People's Republic of China
Track bed vibration isolation pad for rail transit
2020-12-14 release
2021-11-01 implementation
State Administration for Market Regulation
Issued by the National Standardization Management Committee
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 organized by the National Rubber and Rubber Products Standardization Technical Committee Rubber Miscellaneous Technical Committee (SAC/TC35/SC7)
Focus:
Drafting organizations of this standard: Zhejiang Tiantie Industry Co:, Ltd:, China Railway Science Research Institute Group Co:, Ltd: Metal and Chemical Research
Institute, Shaanxi Changmei Technology Co:, Ltd:, Beijing China Railway New Material Technology Co:, Ltd:, Qingdao University of Science and Technology, Zhuzhou Times New Material Technology
Co:, Ltd:, Hengshui Railway Construction Engineering Rubber Co:, Ltd:, Tongji University, Southwest Jiaotong University, Hengshui City Quality and Technical Supervision and Inspection
Institute, Nanjing Dongrun Special Rubber and Plastic Co:, Ltd:
The main drafters of this standard: Liu Yingming, Du Weichao, Zhou Jionghao, Wang Hongying, Zhang Faming, Wu Mingsheng, Zhao Yunxing, Jia Yinghua, Sun Liangming,
Li Peng, Jin Hao, Zhao Caiyou, Wang Heshan, Jiang Wenyang:
Track bed vibration isolation pad for rail transit
1 Scope
This standard specifies the classification and structure, technical requirements, test methods, and inspection of track bed vibration isolation cushions for rail transit (hereinafter referred to as track mattresses)
Rules, signs, packaging, transportation and storage, construction requirements:
This standard applies to the polymer material track mattress for ballasted track and ballastless track of urban rail transit that adopts wheel-rail transportation:
2 Normative references
The following documents are indispensable for the application of this document: For dated reference documents, only the dated version applies to this article
Pieces: For undated references, the latest version (including all amendments) applies to this document:
GB/T 528 Determination of tensile stress-strain properties of vulcanized rubber or thermoplastic rubber
GB/T 1690 Liquid resistance test method for vulcanized rubber or thermoplastic rubber
GB/T 2941 Rubber Physical Test Method General Procedure for Sample Preparation and Adjustment
GB/T 3512 Hot air accelerated aging and heat resistance test of vulcanized rubber or thermoplastic rubber
GB/T 3672:1 Tolerances of rubber products Part 1: Dimensional tolerances
GB/T 6343 Determination of Apparent Density of Foam Plastic and Rubber
GB/T 7759:1 Determination of compression set of vulcanized rubber or thermoplastic rubber Part 1: Under normal and high temperature conditions
GB/T 9258:1 Particle size analysis of abrasives for coated abrasives Part 1: Particle size composition
GB/T 10653 Determination of Compression Set of High Polymer Porous Elastic Materials
GB/T 10654 Determination of tensile strength and elongation at break for high polymer porous elastic materials
3 Terms and definitions
The following terms and definitions apply to this document:
3:1
Static foundation modulus staticbeddingmodulus
The ratio of static load to displacement per unit area:
Note: The unit is cattle per cubic millimeter (N/mm3):
3:2
Dynamic foundation modulus dynamicbeddingmodulus
Under a certain loading frequency, the ratio of dynamic load per unit area to displacement:
Note: The unit is cattle per cubic millimeter (N/mm3):
4 Classification and structure
4:1 Classification
Road mattresses are divided into solid mattresses and microporous mattresses:
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