GB/T 35425-2017 English PDF

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GB/T 35425-2017: Classification and coding of bulk materials for road and bridge construction
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Basic data

Standard ID: GB/T 35425-2017 (GB/T35425-2017)
Description (Translated English): Classification and coding of bulk materials for road and bridge construction
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: A24
Classification of International Standard: 35.040
Word Count Estimation: 18,161
Date of Issue: 2017-12-29
Date of Implementation: 2018-04-01
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

GB/T 35425-2017: Classification and coding of bulk materials for road and bridge construction

---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.
Classification and coding of bulk materials for road and bridge construction ICS 35.040 A24 National Standards of People's Republic of China Highway and bridge construction bulk materials classification code 2017-12-29 Posted 2018-04-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released Directory Foreword Ⅲ 1 Scope 1 2 Terms and definitions 1 3 classification principles and methods 1 4 coding principles and methods 1 5 classification coding structure 2 6 classification code table 2 Reference 13

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard by the National Standardization Technical Committee coding (SAC/TC287) and focal point. This standard drafting unit. China Article Coding Center, China Communications Construction Co., Ltd., China Communications Materials Co., Ltd., China Communications A flight Engineering Bureau Co., Ltd., China Communications Second Flight Engineering Bureau Co., Ltd., China Communications Third Flight Engineering Bureau Co., Ltd., the fourth flight in the cross Engineering Bureau Co., Ltd., China Communications First Highway Engineering Co., Ltd., China Communications Second Highway Engineering Co., Ltd., China Communications Fourth Highway Engineering Bureau Ltd., China Crossroads & Bridge Construction Co., Ltd., China Communications Crossing Tunnel Engineering Bureau Co., Ltd., Shanghai Zhenhua Heavy Industries (Group) Co., Ltd. The main drafters of this standard. Song Hailiang, Huang Yi, Han Shuwen, Liu Wei, Jiang Fuguo, Huang Shuo, Wu Yongping, Ding Zhenghui, Sun Zhiming, Chen Junfa, Yuan Jitong, Wang Jialing, Zhang Deru, Zhang Lingwen, Wang Lianqing, Zheng Min, Wang Pei, Sun Chongguang, He Xiaohong. Highway and bridge construction bulk materials classification code

1 Scope

This standard specifies the classification of road and bridge construction, steel, cement, asphalt, fuel materials and other commonly used materials classification principles and methods, compiled Code principles and methods, classification coding structure and coding table. This standard applies to all kinds of commonly used bulk materials classification, coding and information exchange.

2 Terms and definitions

The following terms and definitions apply to this document. 2.1 Line classification methodoflinearclassification The classification of objects according to the selected number of attributes (or characteristics), successively divided into several levels, each level is divided into several categories. Same point Branches with the same level constitute a juxtaposition between categories, between different levels constitute a subordinate category. [GB/T 10113-2003, Definition 2.1.5]

3 classification principles and methods

3.1 classification principle 3.1.1 Co-ordinate categories Do not overlap each other's coverage and do not overlap. 3.1.2 In accordance with the material properties selected by a number of attributes successively into a number of hierarchical relationship between the categories and the formation of a gradual expansion Classification system. Such as steel in accordance with the shape, material, size as a basis for classification, followed by layer by layer. 3.1.3 The name of the category should be selected in line with national standards or industry generally agreed material name, such as the standard name for rebar hot-rolled ribbed Reinforced. 3.1.4 The granularity of the classification system is evenly distributed, and the materials of the same type are in a similar granularity. 3.2 classification method The bulk materials used in the construction of highways and bridges refer to those commonly used in the construction of highways and bridges, which are purchased and used in large quantities, such as steel, Cement, asphalt, fuel, etc., the classification of the use of line classification, mainly by raw materials materials, production technology, the existence of morphology, functional use and by Attention and other factors to classify.

4 coding principles and methods

4.1 coding principle 4.1.1 Uniqueness Each kind of material corresponds to only one code. Even if a material is no longer used, its code will be permanently saved as a unique code. 4.1.2 scalability Leaving enough room for expansion, according to the actual situation of the classification category expansion. ......

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