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GB/T 27794-2023: Precast concrete conduits for electric cable
Status: Valid GB/T 27794: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 27794-2023 | English | 529 |
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Precast concrete conduits for electric cable
| Valid |
GB/T 27794-2023
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| GB/T 27794-2011 | English | 679 |
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Socket type concrete conduits for electric cable
| Obsolete |
GB/T 27794-2011
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PDF similar to GB/T 27794-2023
Basic data | Standard ID | GB/T 27794-2023 (GB/T27794-2023) | | Description (Translated English) | Precast concrete conduits for electric cable | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | Q14 | | Classification of International Standard | 91.100.30 | | Word Count Estimation | 27,265 | | Date of Issue | 2023-03-17 | | Date of Implementation | 2023-10-01 | | Older Standard (superseded by this standard) | GB/T 27794-2011 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 27794-2023: Precast concrete conduits for electric cable---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.
ICS91:100:30
CCSQ14
National Standards of People's Republic of China
Replacing GB/T 27794-2011
Prefabricated Concrete Conduits for Power Cables
Released on 2023-03-17
2023-10-01 implementation
State Administration for Market Regulation
Released by the National Standardization Management Committee
table of contents
Preface I
1 Scope 1
2 Normative references 1
3 Terms and Definitions 2
4 Classification, size and marking 2
5 raw materials 3
6 General requirements 4
7 Technical requirements 4
8 Test method 6
9 Inspection rules 10
10 Labeling, packaging, transportation and storage 13
11 Factory certificate 14
Appendix A (Informative) Joint Type and Detail Size of Unreinforced Concrete Cable Conduit 15
Appendix B (Informative) Reinforced Concrete Cable Conduit Type 18
Appendix C (Normative) Technical Requirements for Connecting Rods 20
Appendix D (informative) Bending performance of reinforced concrete cable conduit and design method for external pressure load of the pipe 21
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:
This document replaces GB/T 27794-2011 "Socket Concrete Conduits for Power Cables": Compared with GB/T 27794-2011, except
Apart from structural adjustments and editorial changes, the main technical changes are as follows:
a) The name of the standard is adjusted to "Prefabricated Concrete Conduits for Power Cables";
b) Added terms and definitions (see Chapter 3);
c) The classification, size and marking of the product have been changed (see Chapter 4, Chapter 3 of the:2011 edition);
d) The relevant content of reinforced concrete conduits for power cables lined with PVC, lined with CPVC and lined with MPP has been added (see 5:9);
e) Changed the raw material requirements (see Chapter 5, Chapter 4 of the:2011 edition);
f) Added general requirements (see Chapter 6);
g) Changed the technical performance requirements of the rubber ring for cable duct sealing (see 6:8, Appendix A of the:2011 edition);
h) Changed the technical requirements (see Chapter 7, Chapter 5 of the:2011 edition);
i) The test method has been changed (see Chapter 8, Chapter 6 of the:2011 edition);
j) The joint type and detail size of the unreinforced concrete cable duct are adjusted to Appendix A (see Appendix A, 3:3 of the:2011 edition);
k) Added the type of reinforced concrete cable conduit joint (see Appendix B);
l) The bending performance of the reinforced concrete cable duct body and the design method for the external pressure load of the pipe have been added (see Appendix D):
Please note that some contents of this document may refer to patents: The issuing agency of this document assumes no responsibility for identifying patents:
This document is proposed by China Building Materials Federation:
This document is under the jurisdiction of the National Cement Products Standardization Technical Committee (SAC/TC197):
This document is drafted by: Suzhou Concrete Cement Products Research Institute Co:, Ltd:, Suzhou Concrete Cement Products Research Institute Testing Center Co:, Ltd:
Company, Ningbo Xinming Construction Engineering Testing Co:, Ltd:, Jianhua Building Materials (China) Co:, Ltd:, Hubei Changyao New Materials Co:, Ltd:, China
Electric Power Research Institute of Jiangsu Electric Power Co:, Ltd:, Guangxi Beihai Jingyi Electric Power Equipment Co:, Ltd:, State Grid Anhui Electric Power Co:, Ltd:
Fuyang Suburban Power Supply Company, Zhonggui Power Equipment Co:, Ltd:, Inner Mongolia Liyuan Pipe and Culvert Engineering Co:, Ltd:, Ningbo Electric Power Design
Institute Co:, Ltd:, Taiyuan University of Technology, State Grid Shanxi Electric Power Survey and Design Research Institute Co:, Ltd:, State Grid Shanxi Electric Power Company Economic and Technical Research Institute
Research Institute, Hubei Hongye Building Materials Technology Development Co:, Ltd:, Yangzhou University, Shandong Zhongneng Pole and Tower Co:, Ltd:, Linyi Municipal Group Co:, Ltd:, An
Jidingxing Cement Products Co:, Ltd:, Yichun Honghui New Electromechanical Co:, Ltd:, China Railway 14th Bureau Group Co:, Ltd:, China Construction Eighth Bureau First Construction
Establishment Co:, Ltd:, Sichuan Jiashite Rubber Co:, Ltd:, Shanxi Yingxin Industrial Co:, Ltd:, Danzhou Yushun Industrial Co:, Ltd:, Guangxi Jucheng Electric Power
Line Equipment Co:, Ltd:, Zhongshan Zhongli High Load Building Materials Co:, Ltd:, Guangdong Zhongyuan Power Equipment Co:, Ltd:, Guangdong Fengye Power Equipment
Co:, Ltd:, Yingde Youpeng Building Materials Co:, Ltd:, Guangxi Hongtai Cement Products Co:, Ltd:, Jiangxi Zehao Electric Technology Co:, Ltd:, South
Tonghaida Technology Co:, Ltd:, Sichuan Tongdao Technology Co:, Ltd:, Pu'er Xingzhou Cement Products Co:, Ltd:, Yunfu Yuejian Cement Products
Co:, Ltd:, Qingdao Qingxin Sunshine Group Co:, Ltd:, Shandong Zhida Concrete Co:, Ltd:, Jiangsu Mingfeng Cement Products Co:, Ltd:, Jiangsu
Huaguang Shuangshun Machinery Manufacturing Co:, Ltd:, Yunnan Jingyi Power Technology Co:, Ltd:, Guangxi Zhongjiu Power Technology Co:, Ltd:, Guizhou
Jingyi Power Line Equipment Co:, Ltd:, Kunshan Zhengxin Testing Co:, Ltd:, Hebei Tongda Cement Products Co:, Ltd:, Liyang Huali Water
Mud Products Co:, Ltd:, Binhai Zhongheng Electric Pole Co:, Ltd:, Ningxia Qingxia Industrial Co:, Ltd:, Jiangsu Qiande Power Equipment Co:, Ltd:, Ganzhou Ao
Xinxin Building Materials Co:, Ltd:, Ganzhou Yingzhong Building Materials Co:, Ltd:, Ganzhou Yunhai Building Materials Co:, Ltd:, Nantong Tankou Building Materials Co:, Ltd:, Weifang
Zhengqi Pipe Industry Co:, Ltd:, Jiangxi Xinsantai Building Materials Technology Co:, Ltd:, Jiangxi Ruitongxiang Building Materials Co:, Ltd:, Shaoguan Huijian Cement Products Co:, Ltd:
Co:, Ltd:, Shenzhen Guyi Building Materials Cement Products Co:, Ltd:, Guangdong Hengye Cement Products Co:, Ltd:, Guangdong Qiangyu Power Equipment Co:, Ltd:,
Guangdong Xinrongrong Electric Power Technology Co:, Ltd:, Guangdong Guangze Industrial Co:, Ltd:, Guangdong Yongji Electric Power Equipment Factory Co:, Ltd:, Guangdong Huihai Materials
Co:, Ltd:, Zhanjiang Huifangyuan Power Line Equipment Co:, Ltd:, Guangdong Yonggu Power Technology Co:, Ltd:, Zhejiang Julong Pipe Industry Technology Co:, Ltd:
Company, Hengyang Fenghua Cement Products Co:, Ltd:, Taishan Junqiang Power and Telecommunication Equipment Co:, Ltd:, Heyuan Dongjiang Power Line Equipment Co:, Ltd:
Company, Xinjiang Guotong Pipeline Co:, Ltd:, Jiangxi Bada Electric Pole Manufacturing Co:, Ltd:, Guangxi Power Line Equipment Factory Co:, Ltd:,
Foshan Luocun Cement Products Co:, Ltd:, Xinjiang Urban Construction Hongyuan Municipal Garden Co:, Ltd:, Ningxia Qinglong Pipe Industry Group Co:, Ltd:, Guangzhou
Xiheng County Guitong Cement Products Co:, Ltd:, Guilin Shaoxing Electric Power Technology Co:, Ltd:, Ningxia Pingluo Lingyun Building Materials Industry Co:, Ltd:, Tianjin
Zebao Cement Products Co:, Ltd:, Guangxi Hongji Power Technology Co:, Ltd:, Guizhou Changtong Group Intelligent Manufacturing Co:, Ltd:, Guizhou Yatai Yuantong Electric Industry
Co:, Ltd:, Honghezhou Xinda Cement Products Co:, Ltd:, Kaili Yuming Electric Power Equipment Co:, Ltd:, Gejiu Gaoyi Cement Products Co:, Ltd:
Division, Lijiang Hongsong Cement Pole Co:, Ltd:, Guangchang County Hongrun Cement Products Co:, Ltd:, Yunnan Tongcheng Industry and Trade Co:, Ltd:, Baoding Cement System
Pipe Co:, Ltd:, Wenshan Huasheng Power Line Equipment Co:, Ltd:, Baoshan Ruifeng Cement Products Co:, Ltd:, Kunming Longxiangda Building Materials Manufacturing Co:, Ltd:
Co:, Ltd:, Anhui Mingmu Power Technology Co:, Ltd:, Mangshi Hongda Cement Products Co:, Ltd:, Yanshan County Xiangyun Lutong Power Equipment Co:, Ltd:
company:
The main drafters of this document: Tan Yongquan, Luo Jingjing, Mao Zhiyong, Yu Feng, Wu Chiqiu, Li Zhigao, Yang Dongsheng, Zhi Yiheng, Pei Lingxu,
Jin Chunshan, Zhao Yong, Zeng Qi, Tang Wenyou, Tian Yin, Liu Yuanxiang, Zhang Jianguo, Li Chenggang, Tao Jiagui, Yang Dingyi, Wang Tianqi, Wei Chenrui, Du Ze,
Xu Xiaodong, Tong Yong, Han Pengju, Meng Changhong, Shi Zhuopeng, Gao Shifa, Su Xiaoxue, Guo Zhitao, Zhong Weijun, Yang Jianhui, Chen Yunfeng, Guo Chunqiang, Hu Jun,
Zou Fuqing, Wang Yugan, Niu Huaxian, Cao Mingguo, Sun Jinhui, Ji Chunming, Chen Kehui, Zhou Haiyu, Chen Yang, Chen Linhua, Li Xiaosheng, Wang Yanzhen,
Xie Jinmin, Liu Caiquan, Zhou Wuxing, Liang Guilin, Chen Wenqing, Liao Xinglong, Gao Haorong, Tan Junbo, Shang Yingze, Sui Jian, Huang Hongbiao, Su Jieying,
Wu Yingfeng, Yan Huanguang, Chen Xiaoxuan, Qiu Yushen, Lin Yonghua, Wu Mingdong, Luo Lipeng, Chen Zhiyuan, Chen Junshao, Cao Tengfei, Li Hongjie, Qi Jiangfeng,
Zhao Lei, Yang Weijin, Guo Hongtao, Wang Hua, Chen Xiaoquan, Wang Xiaochun, You Peng, Yang Yuan, Yin Qiucheng, Yang Jun, He Chunmu, Zou Xin, Guo Lixin, Shen Li,
Yang Gemeng, Guo Nian, He Dongping, Wang Chaohu, Li Chao, Zhao Hongxi, Liu Bing, Zhao Dian, Yao Bihao, Wu Guliang, Wu Sikai:
This document was first published in:2011, and this is the first revision:
Prefabricated Concrete Conduits for Power Cables
1 Scope
This document specifies the classification, specifications, dimensions, markings, raw materials, general requirements, technical requirements, and test requirements of precast concrete conduits for power cables:
Inspection methods, inspection rules, as well as marking, packaging, transportation, storage and delivery certificates:
This document applies to prefabricated concrete conduits for power cables that are prefabricated in factories and installed on site:
2 Normative references
The contents of the following documents constitute the essential provisions of this document through normative references in the text: Among them, dated references
For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to
this document:
GB 175 General Portland cement
GB/T 700 carbon structural steel
GB/T 1499:1 Steel for reinforced concrete Part 1: Hot-rolled plain round steel bar
GB/T 1499:2 Steel for reinforced concrete Part 2: Hot-rolled ribbed steel bars
GB/T 1596 Fly ash used in cement and concrete
GB 8076 Concrete Admixtures
GB/T 13788 Cold-rolled ribbed steel bars
GB/T 14684 Construction Sand
GB/T 14685 Pebbles and gravels for construction
GB/T 17431:1 Lightweight aggregates and their test methods Part 1: Lightweight aggregates
GB/T 18046 Granulated blast furnace slag powder used in cement, mortar and concrete
GB/T 21120 Synthetic fibers for cement concrete and mortar
GB/T 23265 Chopped basalt fibers for cement concrete and mortar
GB/T 38143 Alkali-resistant glass fibers for cement concrete and mortar
GB/T 50081 Standard for Test Methods of Physical and Mechanical Properties of Concrete
GB/T 50082 Standard for Test Methods of Long-term Performance and Durability of Ordinary Concrete
GB/T 50107 Concrete Strength Inspection and Evaluation Standard
GB 50119 Technical specification for the application of concrete admixtures
GB 50164 Concrete Quality Control Standard
GB 50204 Code for Acceptance of Construction Quality of Concrete Structure Engineering
GB/T 51003 Technical specification for the application of mineral admixtures
JC/T 946 Rubber seals for concrete and reinforced concrete drains
JGJ/T 12 Technical Standard for Lightweight Aggregate Concrete Application
JGJ55 Ordinary Concrete Mix Proportion Design Regulations
JGJ63 concrete water standard
JGJ/T 221 Technical Regulations for Application of Fiber Concrete
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