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GB/T 26471-2023: Tower crane - Rules of installation, disassembly and climbing
Status: Valid GB/T 26471: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 26471-2023 | English | 389 |
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Tower crane - Rules of installation, disassembly and climbing
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GB/T 26471-2023
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| GB/T 26471-2011 | English | 359 |
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Tower crane -- The rules of installation and disassembly
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GB/T 26471-2011
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PDF similar to GB/T 26471-2023
Basic data | Standard ID | GB/T 26471-2023 (GB/T26471-2023) | | Description (Translated English) | Tower crane - Rules of installation, disassembly and climbing | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J80 | | Classification of International Standard | 53.020.20 | | Word Count Estimation | 20,232 | | Date of Issue | 2023-03-17 | | Date of Implementation | 2023-10-01 | | Older Standard (superseded by this standard) | GB/T 26471-2011 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 26471-2023: Tower crane - Rules of installation, disassembly and climbing---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.
ICS53:020:20
CCSJ80
National Standards of People's Republic of China
Replacing GB/T 26471-2011
Tower crane erection, dismantling and climbing rules
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 1
4 Installation and dismantling units and personnel 3
5 Basic regulations for installation and dismantling 4
6 Preparations before installation and disassembly6
7 Installation and disassembly of basic erection height 8
8 Climbing operation of external climbing tower crane 9
9 Installation and removal of attachment devices 11
10 Installation and disassembly of internal climbing (external hanging) tower crane 12
11 Commissioning of safety protection devices 13
12 Inspection and acceptance after installation 13
Reference 14
Table 1 Safety distance between tower crane and overhead transmission line5
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 26471-2011 "Rules for Installation and Disassembly of Tower Cranes": Compared with GB/T 26471-2011, except
Apart from structural adjustments and editorial changes, the main technical changes are as follows:
---Changed and added some terms and definitions (see Chapter 3, Chapter 3 of the:2011 edition);
--- Deleted the term definition of "transition section" (see 3:2 of the:2011 edition);
---Change and increase the requirements for installation and disassembly units and personnel (see Chapter 4, Chapter 4 of the:2011 edition);
--- Increased requirements for special programs (see 5:2);
---Changed and added the requirements for installation and dismantling safety distance and group tower operation installation safety distance (see 5:4, 5:5, 5:4~5:6 of the:2011 edition);
--- Added requirements for installation site selection (see 5:6);
--- Increased post-installation self-test and debugging requirements (see 5:7:1);
--- Added the requirements for inspection and acceptance after installation self-inspection (see 5:7:2);
--- Added requirements for windshields, warning signs and components (see 5:8);
--- Added the requirements for technical disclosure before installation and disassembly (see 6:1:4);
--- Increased the requirements for staffing on-site installation and dismantling (see 6:2);
--- Changed the inspection requirements before installation (see 6:4:1, 6:3:1 of the:2011 edition);
---Changed the requirements on the foundation and attached buildings (structures) (see 6:5, 6:4 of the:2011 edition);
--- Increased the verticality requirements of the tower body in the no-load state (see 7:4);
--- Changed the requirements for high-strength bolts (see 7:6, 7:5 of the:2011 edition);
--- Added the requirements for the installation of the jib tie rod (see 7:12);
--- Added the requirements for the total installation height of the internal climbing (external hanging) tower crane and the installation position of the special frame (see 7:13);
--- Added the requirements for commissioning of the working mechanism and wiring of the electrical system after installation (see 7:14, 7:15);
--- Added requirements for disassembly process (see 7:16);
--- Increased the basic erection height stage inspection and testing requirements (see 7:18);
--- Increased the balance requirements for the climbing part of the tower crane (see 8:2:4);
--- Increased the requirements on the reduction of knots (see 8:2:7);
--- Changed the requirements on the hydraulic system (see 8:3, 8:3 of the:2011 edition);
--- Added design and manufacture requirements for non-standard attachment devices (see 9:1:3);
--- Increase the design and manufacture requirements for non-standard components of internal climbing (external hanging) tower cranes (see 10:1:1);
---Changed the requirements for dismantling the internal climbing (external hanging) tower crane (see 10:3, 10:3 of the:2011 edition):
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 Machinery Industry Federation:
This document is under the jurisdiction of the National Hoisting Machinery Standardization Technical Committee (SAC/TC227):
This document is drafted by: Shandong Academy of Building Research Co:, Ltd:, Shandong Tianyuan Construction Machinery Co:, Ltd:, Beijing Construction Mechanization
Research Institute Co:, Ltd:, Dahan Technology Co:, Ltd:, Shandong Zhongcheng Machinery Leasing Co:, Ltd:, Fushun Yongmao Construction Machinery Co:, Ltd:, Fang
Circle Group Co:, Ltd:, Beijing University of Civil Engineering and Architecture, Zhejiang Provincial Construction Engineering Machinery Group Co:, Ltd:, Hubei Jianghan Construction Engineering Machinery Co:, Ltd:,
China Construction Strait Construction Development Co:, Ltd:, Beijing Zhuzong Group Co:, Ltd:, Guangdong Construction Machinery Factory Co:, Ltd:, Chengdu Jiuhe Construction
Equipment Co:, Ltd:, Beijing Third Construction Engineering Co:, Ltd:, Beijing Boda Jingkai Construction Co:, Ltd:, Jiangsu Zhongjian Dafeng Mechanical Engineering Co:, Ltd:
Cheng Co:, Ltd:, Shaanxi Construction Machinery Co:, Ltd:, China Construction Second Engineering Bureau Co:, Ltd:, China Railway Construction Group Co:, Ltd:, Jiangsu
Provincial Jinling Construction Engineering Group Co:, Ltd:, China Communications Infrastructure Maintenance Group Co:, Ltd:, and China Construction Education Association:
The main drafters of this document: Huang Nan, Wang Qiao, Liang Rongjian, Luo Wenlong, Jin Yixin, Zhao Yuxi, Liu Shuang, Chai Jia, Wu Mingchen, Wang Kaihui, Feng Gongbin,
Xia Ting, Wen Chaohui, Zhang Xiaohui, Li Guangda, Xiao Hongtao, Cheng Hua, Wang Jingyu, Xu Guokai, Duan Wenxuan, Zheng Guosui, Wu Yushui, Xu Yangyang, Wang Jun,
Liang Chaohui, Xu Yanhua, Wang Lidong, Mao Ruinian, Zhao Jingyun, Sun Qinglin, Ma He, Zhou Lihong, Zhou Bing, Deng Zhiyong, Du Wei, Yang Xianghong, Zhu Lirong,
Hu Xuetao, Yan Gang, Xu Yunxin, Li Zhilin, Yin Wenqiang, Chen Jishen, Han Yeqing, Liu Chenghuan, Wei Dong, Sun Yanqiu:
This document was first published in:2011, and this is the first revision:
Tower crane erection, dismantling and climbing rules
1 Scope
This document specifies the installation, dismantling and climbing (hereinafter referred to as "installation and disassembly") operations of tower cranes (hereinafter referred to as "tower cranes"):
Units and personnel, basic regulations for installation and dismantling, preparations before installation and dismantling, installation and dismantling of basic erection heights, climbing operations of external climbing tower cranes, installation and removal of attachment devices
Requirements for installation and disassembly, installation and disassembly of internal climbing (external hanging) tower cranes, commissioning of safety protection devices, inspection and acceptance after installation:
This document is applicable to the installation and dismantling of assembled upper-slewing tower cranes, and the installation and dismantling of other types of tower cranes shall be carried out by reference:
Note: This document gives suggestions and guidance on the management of tower crane installation and dismantling operations, including the responsibilities of the user unit and supplier unit involved in these operations, and relevant personnel:
responsibilities and conditions of employment:
This document does not apply to the installation and dismantling of self-erecting tower cranes and mobile self-erecting tower cranes:
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/T 5031-2019 Tower Cranes
GB 5144-2006 Safety regulations for tower cranes
GB/T 6974:3 Crane Terminology Part 3: Tower Cranes
GB/T 23723:3-2010 Safe use of cranes Part 3: Tower cranes
GB/T 23724:3-2010 Crane Inspection Part 3: Tower Cranes
GB/T 31052:3-2016 Inspection and Maintenance Procedures for Lifting Machinery Part 3: Tower Cranes
GB/T 33080-2016 Safety Assessment Procedures for Tower Cranes
GB 50169 Specifications for construction and acceptance of grounding devices for electrical installation engineering
JB/T 13915 Pre-tightening and anti-loosening of high-strength bolts for tower cranes
3 Terms and Definitions
The following terms and definitions defined in GB/T 6974:3 and GB/T 5031-2019 apply to this document:
3:1
Basic erection height basicsittingheight
Before the tower crane is installed and climbed for the first time, from the top surface of the foundation that supports the tower body of the tower crane or the top surface of the track of the walking tower crane to the hinge at the root of the boom
The minimum height of the point:
3:2
Cast-inbase cast-inbase
In-situ poured reinforced concrete foundation for fixing or installing tower crane underframe, feet or embedded joints:
3:3
The specially designed concrete prefabricated parts are assembled into a whole through the assembled connecting cable, which is used to transmit the load of the tower crane to the foundation of the foundation:
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