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GB/T 45931-2025: Construction waste recycled aggregate and inorganic mixture for highway
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 45931-2025 | English | 489 |
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Construction waste recycled aggregate and inorganic mixture for highway
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GB/T 45931-2025
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Basic data | Standard ID | GB/T 45931-2025 (GB/T45931-2025) | | Description (Translated English) | Construction waste recycled aggregate and inorganic mixture for highway | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | Q20 | | Classification of International Standard | 93.080.20 | | Word Count Estimation | 24,263 | | Date of Issue | 2025-06-30 | | Date of Implementation | 2026-01-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 45931-2025: Construction waste recycled aggregate and inorganic mixture for highway---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT45931-2025
ICS 93.080.20
CCSQ20
National Standard of the People's Republic of China
Recycled aggregates and inorganic mixtures from construction waste for highway use
Released on June 30, 2025
Implementation on January 1, 2026
State Administration for Market Regulation
The National Standardization Administration issued
Table of Contents
Preface III
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Categories 2
5 Technical Requirements 2
6 Test methods 6
7 Inspection Rules 7
8 Marking, transportation and storage 9
Appendix A (Normative) Test method for debris content and concrete aggregate content 10
Appendix B (Normative) Test method for light debris content 12
Appendix C (Normative) Sand Equivalent Test Method 13
Appendix D (Normative) Unconfined compressive strength test method 16
Appendix E (Normative) Freeze-thaw cycle compressive strength ratio test method 18
Reference 20
Preface
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents"
Drafting.
Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.
This document was proposed and coordinated by the National Technical Committee for Standardization of Transportation Engineering Facilities (Highway) (SAC/TC223).
This document was drafted by. Beijing Municipal Transportation Comprehensive Law Enforcement Corps, Beijing Municipal Transportation Commission, Beijing University of Civil Engineering and Architecture, Beijing University of Technology
Beijing Construction Engineering Resources Recycling Co., Ltd., Beijing Municipal Engineering Design and Research Institute Co., Ltd., Harbin Institute of Technology, Guangdong University of Technology
West China University, China Communications First Highway Engineering Bureau Group Co., Ltd., Beijing Zhongtian Road Industry Technology Co., Ltd., Gansu Provincial Transportation Planning, Survey and Design Institute Co., Ltd.
Company, Tianjin Highway Development Service Center, Sichuan Transportation Survey and Design Institute Co., Ltd., Hebei University of Technology, Zhejiang Huanyu Construction
It has established Group Co., Ltd., Tianjin Tianhe Jianling Road and Bridge Engineering Technology Co., Ltd., Lu'an Gongxin Road Materials Co., Ltd., Huitong Construction Group
Co., Ltd., Zhejiang Transportation Science Research Institute, Nanjing Traffic Engineering Testing Co., Ltd., Beijing Shoufa Expressway Construction Co., Ltd.
It has established a management limited liability company, Beijing Municipal Engineering and Construction Road and Bridge Co., Ltd., and Jilin Province Building Materials Industry Design and Research Institute.
The main drafters of this document are. Xue Zhongjun, Zhou Xuli, Wang Jiani, Li Xinghai, Wang Chunming, Song Bo, Wang Miao, Zhang Jinxi, Liu Zijian, Zhang Lei,
Guo Hua, Li Xiaomin, Pan Keming, Meng Yongjun, Li Tinggang, He Qiang, Li Meng, Jiao Xiaolei, Zhao Xiaotao, Huang Wanqing, Qiao Jiangang, Zhang Xinwen, Du Kuilin,
Zhang Rui, Zheng Jianling, Du Anwen, Cheng Chao, Chi Fengxia, Jiang Yun, Weng Wei, Gu Dapeng, Guo Meng, and Lu Qiang.
Recycled aggregates and inorganic mixtures from construction waste for highway use
1 Scope
This document specifies the classification, technical requirements, test methods, inspection rules and standards for recycled aggregates and inorganic mixtures used in highway construction waste.
Recording, transportation and storage.
This document applies to the production and inspection of recycled aggregates and inorganic mixtures from construction waste for highway use.
2 Normative references
The contents of the following documents constitute the essential clauses of this document through normative references in this document.
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to
This document.
GB/T 2611 General technical requirements for testing machines
GB/T 3159 Hydraulic universal testing machine
GB/T 14684 Construction sand
GB/T 14685-2022 Pebbles and crushed stone for construction
GB/T 38989 Test method for uniaxial compression elastic modulus of materials stabilized with inorganic binders (intermediate segment method)
GB/T 50123-2019 Geotechnical Test Methods
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
construction wasteconstruction waste
A general term for construction debris, construction mud, construction waste, demolition waste and decoration waste.
Note. This includes waste soil, waste materials and their waste generated during the construction, reconstruction, expansion and demolition of various buildings, structures, pipe networks, etc., as well as residents’ house decoration and renovation.
Other solid wastes do not include construction waste that has been inspected and identified as hazardous waste.
3.2
recycled aggregate recycledaggregate
Aggregates made from construction waste through processes such as sorting, impurity removal, crushing, and screening.
3.3
The percentage of concrete blocks and stone materials with recycled aggregates with a particle size of 4.75 mm or more in the total mass.
3.4
Concrete aggregate content is greater than or equal to 90% recycled aggregate.
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