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GB/T 45470-2025: Recycled carbon fiber for cement concrete
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| GB/T 45470-2025 | English | 439 |
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Recycled carbon fiber for cement concrete
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GB/T 45470-2025
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Basic data | Standard ID | GB/T 45470-2025 (GB/T45470-2025) | | Description (Translated English) | Recycled carbon fiber for cement concrete | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | Q53 | | Classification of International Standard | 59.100.20 | | Word Count Estimation | 22,286 | | Date of Issue | 2025-03-28 | | Date of Implementation | 10/1/2025 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 45470-2025: Recycled carbon fiber for cement concrete---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.
ICS 59.100.20
CCSQ53
National Standard of the People's Republic of China
Recycled carbon fiber for cement concrete
Released on 2025-03-28
2025-10-01 Implementation
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 Classification and labeling 2
5 General 2
6 Technical Requirements 2
7 Test methods 3
8 Inspection Rules 3
9 Marking, packaging, transportation and storage 4
Appendix A (Normative) Test method for tensile strength of recycled carbon fiber monofilament 6
Appendix B (Normative) Test methods for tested concrete properties 9
Foreword
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 is proposed and coordinated by the National Carbon Fiber Standardization Technical Committee (SAC/TC572).
This document was drafted by. Yangzhou University, Suzhou Concrete Cement Products Research Institute Testing Center Co., Ltd., Zhongfu Shenying Carbon Fiber Co., Ltd.
Co., Ltd., Nanjing Fiberglass Research and Design Institute Co., Ltd., Xisi New Materials Co., Ltd., Jilin Carbon Valley Carbon Fiber Co., Ltd.,
Jiangsu Hengshen Co., Ltd., Jiangsu Huajian Construction Co., Ltd., Suzhou Concrete Cement Products Research Institute Co., Ltd., Shenzhen
Weihai Building Materials Co., Ltd., Jiangsu Aosheng Composite Materials Technology Co., Ltd., Jiangsu Yangjian Group Co., Ltd., Chengdu Construction Engineering Industrial Construction
Construction Co., Ltd., CCCC Tianjin Port Engineering Research Institute Co., Ltd., Shenzhen Building Decoration (Group) Co., Ltd., Jiangsu Hanjian Group Co., Ltd.
Company, Jiangsu Chengdong Construction Engineering Co., Ltd., Zhenjiang Tanshi Technology New Materials Co., Ltd., Langfang Feize Composite Materials Technology Co., Ltd.,
Beijing BBMG Concrete Co., Ltd., Henan Jiaoyuan Engineering Technology Group Co., Ltd., Changzhou Building Science Research Institute Group Co., Ltd.
Company, Yangzhou Urban Planning and Design Institute Co., Ltd., Shanghai Tunnel Engineering Intelligent Manufacturing Haiyan Co., Ltd., Harbin Institute of Technology, Zhejiang
University of Science and Technology, Tongji University, Xi'an University of Architecture and Technology, China Construction Eighth Engineering Bureau Co., Ltd., Nantong First Construction Group Co., Ltd., Yangzhou
Huayun New Materials Technology Co., Ltd., Taizhou Jinjiangjiao Building Materials Co., Ltd., Yangzhou Huazheng Construction Engineering Quality Inspection Co., Ltd., Jiangsu and
Tianxia Energy Saving Technology Co., Ltd., Chongqing Chengfei New Materials Co., Ltd., Lianyungang Fiber New Materials Research Institute Co., Ltd., Gansu Chongtong
Chengfei New Materials Co., Ltd., Zhifu Environmental Protection Industry (Jiangsu) Co., Ltd., Henan Yongmei Carbon Fiber Co., Ltd., Karamay Vision New Materials
Co., Ltd., Zhejiang Hongxin Composite Materials Co., Ltd., China Construction Second Engineering Bureau Third Construction Engineering Co., Ltd., Harbin Fiberglass Research Institute Co., Ltd.
Company, China Communications Construction Second Highway Engineering Bureau Fourth Engineering Co., Ltd., Chongqing Monorail Construction Technology Co., Ltd., Guangzhou Zhujiang Industrial Group Co., Ltd., China Railway 11th
Bureau Group Co., Ltd., Hunan Transportation Research Institute Co., Ltd., Shandong Public Construction Group Co., Ltd., China Railway Urban Construction Group East China Construction
Co., Ltd., China Railway Shanghai Engineering Bureau Group Co., Ltd., Suzhou Founder Engineering Technology Development and Testing Co., Ltd., China Construction Fifth Engineering Bureau Fourth Construction
Co., Ltd., China Railway 20th Bureau Group Second Engineering Co., Ltd., China Railway 23rd Bureau Group Co., Ltd., China Railway 22nd Bureau Group Fourth Engineering
Engineering Co., Ltd., China Railway Construction Group Co., Ltd., China Railway 18th Bureau Group Fifth Engineering Co., Ltd., China Railway 24th Bureau Group Co., Ltd.,
China Construction Second Engineering Bureau Co., Ltd., Wenzhou Xinda Traffic Engineering Testing and Inspection Co., Ltd., Changzhou Institute of Technology, China Construction Science and Engineering Group Co., Ltd.
Company, China Railway 25th Bureau Group First Engineering Co., Ltd., China Communications Construction Co., Ltd., and China Railway Construction Group Xi'an Engineering Co., Ltd.
The main drafters of this document are. Yang Dingyi, Tan Yongquan, Chen Qiufei, Wang Jiaqing, Wang Yumei, Qian Jing, Song Dewu, Liu Jin, Zhou Xuejun, Luo Jingjing,
Yang Genhong, Lang Minghua, Yang Zhongwei, Feng Shenqiang, Cao Zhonglu, Wu Fugui, Gong Yongfan, Luo Mian, Wu Huajun, Zhou Yuehuai, Yin Hui, An Peng, Zhang Quangui,
Shao Jinggan, Zhou Liping, Zhao Hui, Zhu Hailiang, Gao Xiaojian, Shi Tao, Yu Kequan, Wang Yan, Qi Ligang, Qu Peng, Chen Guangming, Qian Wei, Liu Yuelin, Zhang Sheng,
Luo Shasha, Li Zhiqiang, Zhang Zheng, Zhu Qiang, Wang Junfeng, Zhan Zhao, Lin Xinjian, Sun Yuxia, Wang Baorui, Duan Defeng, Li Hui, Zheng Hongwei, Lan Mingqing, Chen Yuliang,
Bu Dexin, Tang Bo, Huang Xin, Wang Songlin, Zhou Guosen, Dong Shenghu, Li Jieyong, Feng Jianzhou, Wang Shuo, Hao Yongjie, Feng Wenbo, Su Zhou, Wang Junwei, Gong He,
Xiao Heshun, Lin Gaoshan, Han Minhui, Song Weiqing, Li Congqi, Xu Chaoyang, Xu Ye, Wang Tianqi, Fan Zhiyong, Liu Dong, Li Guo, Song Nan, Gao Shengyang, Pan Wei,
Wu Hao, Xu Gang, Yu Changjiang, Zhao Xiang, Ni Yingsheng, Song Yufeng, Zhu Jinchun, Tai Delong, Xu Guoxiang, Kuang Naihang, Yang Dongmei, He Shasha, Luo Qizheng,
Liu Fusheng, Li Zhenqiang, Yang Kai, Shao Mingzhi, Gao Bingqiang, Jiang Rongqi, Wu Bin, Han Xiaodong, Niu Zengcong, Xiao Hongwu, Liu Side, Lv Guangjun, Li Hanyuan,
Qiang Gawen, Feng Long, Yu Tao, Luo Pei, Shen Lizhong, Meng Lingxin, Li Guohui, Hu Wenquan, Liang Yuling, Liu Miao, Lu Shimin, Ji Ao, Qian Yunfeng, Zhang Zhiyu.
Recycled carbon fiber for cement concrete
1 Scope
This document specifies the classification and marking, general rules, technical requirements, inspection rules and marking, packaging, transportation, etc. of recycled carbon fiber for cement concrete.
transport and storage, and describes the corresponding test methods.
This document applies to chopped recycled carbon fibers that can improve the properties of cement concrete.
2 Normative references
The contents of the following documents constitute 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 175 General purpose Portland cement
GB/T 191 Pictorial markings for packaging, storage and transportation
GB 8076 Concrete admixtures
GB/T 9914.1 Test methods for reinforced products Part 1.Determination of moisture content
GB/T 14684 Construction sand
GB/T 14685 Pebbles and crushed stones for construction
GB/T 26752-2020 Polyacrylonitrile-based carbon fiber
GB/T 29762 Determination of fiber diameter and cross-sectional area of carbon fiber
GB/T 30019 Determination of carbon fiber density
GB/T 40724 Terminology of carbon fiber and its composite materials
GB/T 50081 Test methods for physical and mechanical properties of concrete
JGJ55 Ordinary concrete mix design specification
JGJ63 Standard for Water Used in Concrete
3 Terms and definitions
The terms and definitions defined in GB/T 40724 and the following apply to this document.
3.1
Recommended dosage
The recycled carbon fiber dosage range recommended to users by production or sales companies, scientific research institutions, etc.
3.2
referenceconcrete
Cement concrete without recycled carbon fiber added under the same test conditions.
3.3
tested concrete
Cement concrete added with recycled carbon fiber under the same test conditions.
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