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GB/T 31061-2014: Cork-rubber gasket for shield-driven tunnel
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 31061-2014 | English | 209 |
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Cork-rubber gasket for shield-driven tunnel
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GB/T 31061-2014
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Basic data | Standard ID | GB/T 31061-2014 (GB/T31061-2014) | | Description (Translated English) | Cork-rubber gasket for shield-driven tunnel | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | G47 | | Classification of International Standard | 83.140.99 | | Word Count Estimation | 9,910 | | Date of Issue | 12/12/2014 | | Date of Implementation | 6/1/2015 | | Quoted Standard | GB/T 528-2009; GB/T 531.1; GB/T 2941 | | Regulation (derived from) | National Standards Bulletin 2014 No. 30 | | 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 shield tunnel segments terms and definitions cork rubber gasket, classification and marking requirements, test methods, inspection rules and signs, packaging, transportation and storage. This standard applies to rubber and cork | GB/T 31061-2014: Cork-rubber gasket for shield-driven tunnel---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.
Cork-rubber gasket for shield-driven tunnel
ICS 83.140.99
G47
National Standards of People's Republic of China
Shield tunnel segments with a cork rubber gasket
Issued on. 2014-12-22
2015-06-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
The standard proposed by China Petroleum and Chemical Industry Association.
This standard by the National Rubber and rubber products, rubber sundries Standardization Technical Committee Technical Committee (SAC/TC35/SC7)
Centralized.
This standard was drafted. Jiangyin Haida Rubber and Plastic Co., Ltd., Hengshui Rubber Co., Ltd., China Railway Construction Engineering Hengshui Rubber Co.
Ltd., Hengshui Baoli Engineering Rubber Co., Ltd., Fortress Rubber Technology Development Co., Ltd.
The main drafters of this standard. Guhui Juan, Liu Liwei, Tianjian De, Jia Leilei, Wang Xihui, Zhang Peiji.
Shield tunnel segments with a cork rubber gasket
1 Scope
This standard specifies the shield tunnel segments terms and definitions cork rubber gasket, classification and marking requirements, test methods, inspection regulations
And the signs, packaging, transportation and storage.
This standard applies to rubber and cork powder as the main raw material, shield tunnel segment after molding made of vulcanized seams with soft load transfer
Wooden rubber gasket (hereinafter referred to as cork pad).
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 528-2009 Determination of vulcanized rubber or thermoplastic rubber tensile stress-strain properties
GB/T 531.1 vulcanized rubber or thermoplastic rubber hardness test pushed Part 1. Shore hardness method (Shore hardness)
GB/T 2941 rubber physical test method for preparing and conditioning General Procedure
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
Compression recoverability compressionrecoveryatcertaindeformation under constant strain
After deformation under fixed conditions, and the adjusted compressed, to restore its ability to shape the sample, the sample with a test temperature of pre-release
Percentage ratio of the height of the original sample height measurements represent a given time.
3.2
Compressive deformation under constant stress compressionstressatcertaindeformation
Deformation conditions at a fixed applied stress deforms in the direction of the force, and the force applied perpendicular to their values \u200b\u200bin the direction of the applied test
Like cross-sectional area than the original representation.
4 Classification and Marking
4.1 Classification
Cork pads its use position into the following three categories.
a) longitudinal seam cork pad with ZF represented;
b) girth cork pad with HF represents;
c) Deformation cork pad with BXF expressed.
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