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GB/T 31447-2015: Pre-galvanized highway guardrail
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 31447-2015 | English | 169 |
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Pre-galvanized highway guardrail
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GB/T 31447-2015
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Basic data | Standard ID | GB/T 31447-2015 (GB/T31447-2015) | | Description (Translated English) | Pre-galvanized highway guardrail | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | R80 | | Classification of International Standard | 03.220.20 | | Word Count Estimation | 8,894 | | Date of Issue | 2015-05-15 | | Date of Implementation | 2015-08-01 | | Quoted Standard | GB/T 228.1; GB/T 232; GB/T 700; GB/T 1231; GB/T 1591; GB/T 1839; GB/T 6725; GB/T 22040; GB/T 24514; GB/T 26941.1-2011; GB/T 31439.1; GB/T 31439.2; JT/T 495 | | Regulation (derived from) | National Standard Announcement 2015 No. 15 | | 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 pre-coated galvanized steel guardrail highway wave beam (hereinafter referred to as "highway guardrail") terms and definitions, technical requirements, test methods, inspection rules, and face, signs, packaging, transportation and storage. This Standard applies to highways and urban roads with a pre-galvanized highway guardrail, may refer to other places. | GB/T 31447-2015: Pre-galvanized highway guardrail---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.
Pre-galvanized highway guardrail
ICS 03.220.20
R80
National Standards of People's Republic of China
Pre-galvanized highway guardrail
Issued on. 2015-05-15
2015-08-01 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.
This standard by the National Traffic engineering facilities (highway) Standardization Technical Committee (SAC/TC223) and focal points.
This standard was drafted. Nanjing Xeikon Traffic Industrial Co., Ltd., Research Institute of Highway Ministry of Transport, Jiangsu Guoqiang galvanized Industrial Co.,
Ltd., Jiangsu Huaxia Traffic Engineering Group Co., Ltd., Beijing in Hua Technology Co., Ltd. Weifang East Steel Pipe Co., Ltd.
The main drafters of this standard. Zhou Zhiwei, Liu dry, Korean yuan, Wangcheng Hu, on Haixia, Pengxi Chuan, Wang, Wang Zhaolin, SUN Xiao North Korea, Lee Orchestra.
Pre-galvanized highway guardrail
1 Scope
This standard specifies the pre-coated galvanized steel guardrail highway wave beam (hereinafter referred to as "highway guardrail") terms and definitions, technical requirements, test side
Method, inspection rules and signs, packaging, transportation and storage.
This standard applies to highways and urban roads with pre-galvanized highway guardrail, may refer to other places.
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.
RT Test Method. Test Part 1 GB/T 228.1 metallic materials tensile
GB/T 232 metallic materials - Bend test
GB/T 700 carbon structural steel
GB/T 1231 Steel hexagon head bolts, hexagon nuts, plain washers for high-strength
GB/T 1591 high strength low alloy structural steel
GB/T 1839 quality steel products galvanizing layer test method
GB/T 6725 cold-formed steel
GB/T 22040 facilities along the highway plastics weathering requirements and test methods
GB/T 24514 Steel zinc-based surface and (or) Determination of aluminum coating mass per unit area and chemical composition of the coating weight, inductively coupled
Plasma atomic emission spectrometry and flame atomic absorption spectrometry
Part of GB/T 26941.1-2011 Fence 1. General
GB/T 31439.1 wave beam steel guardrail - Part 1. two wave beam steel guardrail
GB/T 31439.2 wave beam steel guardrail - Part 2. Three-wave beam steel guardrail
JT/T 495 Highway Traffic Safety Facilities Quality Inspection Sampling
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
Hot-dip galvanized coating hot-dipgalvanizedcoating
Using hot dip method, the plated metal steel member is immersed in the molten metal zinc solution, so that melting occurs between steel matrix and the molten liquid zinc
Solution, chemical reactions and diffusion coating is formed.
3.2
Zinc-magnesium alloy coating Zn-Mgaloycoating
Metallized steel members will be immersed in the molten zinc solution containing magnesium metal element, such that between the steel substrate with the molten zinc molten magnesium
Dissolution, diffusion and chemical reaction to form a coating.
3.3
Zinc-aluminum-magnesium alloy plating Zn-Al-Mgaloycoating
Metallized steel members will be immersed in the molten metal zinc solution containing elemental aluminum, magnesium, silicon, etc., making the steel substrate with the molten zinc-aluminum-magnesium
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