JGJ82-2011 PDF English
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| JGJ 82-2011 | English | 155 |
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Strength Bolted connections technical regulations
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| JGJ 82-1991 | English | RFQ |
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Code for design, construction and acceptance of high strength bolt connection of steel structures
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JGJ82-2011: Strength Bolted connections technical regulations---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/JGJ82-2011
PROFESSIONAL STANDARD OF
THE PEOPLE'S REPUBLIC OF CHINA
Record Number. J 1141-2011
Technical Specification for High Strength Bolt
Connections of Steel Structures
Issued on: JANUARY 7, 2011
Implemented on: OCTOBER 1, 2011
Issued by Ministry of Housing and Urban-Rural Development of the People's Republic
of China
PROFESSIONAL STANDARD OF
THE PEOPLE'S REPUBLIC OF CHINA
Technical Specification for High Strength Bolt
Connections of Steel Structures
Approval Department. Ministry of Housing and Urban-Rural Development of the People 's Republic
of China
Implementation Date. October 1, 2011
Beijing 2011
Foreword
According to the requirements of Document Jian Biao [2004] No. 66 issued by the former
Ministry of Construction (MOC)-"Notice on Printing and Distributing ' the Development and
Revision Plan of National Engineering Construction Standards in 2004"', the drafting group of this
specification revised this specification through the extensive investigation and study, by earnestly
summing up and accumulating the experiences in actual practices, by reference to the relevant
international standards and foreign advanced standards, as well as on the basis of widely soliciting
opinions.
The main technical contents of this Specification are. 1. General Provisions; 2. Terms and
Symbols; 3. Basic Requirements; 4. Design of Connections; 5. Design of Joints; 6. Construction;
7. Acceptance of Construction Quality.
Main technical contents revised in this Specification. 1. Contents were added and adjusted.
former 3 chapters were added and adjusted to 7 chapters; Chapter 2 "Terms and Symbols", Chapter 3
"Basic Requirements" and Chapter 5 "Design of Joints" were added; former Chapter 2 "Design of
Connections" was adjusted to Chapter 4, former Chapter 3 "Construction and Acceptance" was
adjusted to Chapter 6 "Construction" and Chapter 7 "Acceptance of Construction Quality"; 2. Hole
pattern coefficients were added ; standard hole, large circular hole and slotted hole were introduced;
3. Coating faying surface and its mean slip coefficient µ were added; 4. Tension joints and end plate
joints were added; pry ing force calculation method was proposed; 5. Joints combined bolts and welds
were added; 6. Tum-of-nut method construction and inspection were added; 7. High strength bolt
connection subitem project inspection batch was detailed and specified definitely.
The provisions printed in bold type in this Specification are compulsory and must be enforced
strictly.
The Ministry of Housing and Urban-Rural Development of the People 's Republic of China in
charge of the administration of this Specification and the explanation of the compulsory provisions;
Central Research Institute of Building and Construction, MCC Group Co., Ltd. is responsible for the
explanation of specific technical contents. During the process of implementing this Specification, the
relevant opinions and advice, whenever necessary, can be posted or passed on to Central Research
Institute of Building and Construction, MCC Group Co., Ltd. (Address. No. 33 , Xitucheng Road,
Haidian District, Beijing 100088, China).
Chief Development Organization.
Central Research Institute of Building and Construction, MCC Group Co., Ltd.
Pa1ticipating Development Organizations.
National Steel Structure Engineering Technology Research Center
China Academy of Railway Science
MCC Capital Engineering & Research Incorporation Limited
Baotou Engineering and Research Corporation of Iron and Steel Industry
Tsinghua University
Qingdao Technological University
Tianjin University
Beijing University of Technology
Xi'an University of Architecture and Technology
China Jingye Engineering Corporation Limited
Yuanda International Project Management Co., Ltd .
MCC Jingtang Construction Corp., Ltd .
Zhejiang Hangxiao Steel Structure Co., Ltd.
Shanghai Baoye Construction Co., Ltd.
Zhejiang Jinggong Steel Structure Co., Ltd.
Zhejiang Zeen Fasteners Co., Ltd .
Beijing Sanjie International Steel Structure Co., Ltd.
Ningbo Sanjiang Inspection and Testing Co. , Ltd.
Beijing Duowei International Steel Structure Co., Ltd.
Beijing Shougang Construction Group Co., Ltd.
Wuyang Construction Group Co., Ltd.
Chief Drafting Staffs. Hou Zhaoxin, Chai Chang, He Xianjuan, Wen Shuangling, Wang Yan,
Wang Yuanqing, He Wenhui, Wang Qing, Ma Tianpeng, Yang Qiangyue,
Zhang Ailin, Chen Zhihua, Yan Hongli, Cheng Shuhua, Chen Qiaosheng,
Guo Jianyun, Hao Jiping, Hong Liang, Jiang Rongfu, Zhang Shenghua,
Zhang Ya jun, Meng Lingge
Chief Examiners. Shen Zuyan, Chen Luru, Liu Shutun, Ke Changhua, Xu Guobin, Zhao Jida,
Yin Minda, Fan Zhong, You Dajiang, Li Yuanqi
Table of Contents
General Provisions ... 1
2 Terms and Symbols ... 2
2.1 Terms ... 2
2.2 Sy1nbols ... 3
3 Basic Requirements ... 5
3 .1 General Requirements ... 5
3 .2 Materials and Design Indices ... 6
4 Design of Connections ... 9
4.1 Slip Critical Connections ... 9
' 4.2 Bearing Type Connections ... 10
4.3 Connection Details ... 11
5 Design of Joints ... 14
5.1 Splice Joints ... 14
5 .2 T-type Tension Joints ... 17
6 Construction ... 24
7 Acceptance of Construction Quality ... 34
Explanation of Wording in This Specification ... 36
List of Quoted Standards ... 3 7
2 Terms and Symbols
2.1 Terms
2.1.1 Heavy-hex high strength bolt assembly
It refers to the assembly of connecting fastener composed of one heavy-hex high strength bolt,
one heavy-hex high strength nut and two high strength plain steel washers.
2.1.2 Twist-off-type high strength bolt assembly
It refers to the assembly of connecting fastener composed of one twist-off-type high strength
bolt, one heavy-hex high strength nut and one high strength plain steel washer.
2.1.3 Faying surface
It refers to the contact surface between high strength bolt connection slabs.
2.1.4 Pretension
It refers to the tension produced along bolt shank axis direction by tightening high strength bolt
assembly and required to meet the connection design.
2.1.5 Friction-type joint
It refers to the connecting mode generating frictional resistance among connected pieces by high
strength bolts tightening to transfer shear force and integrate components, units or plates.
2.1.6 Bearing-type joint
It refers to the connecting mode adopting screw rod shear and hole wall pressure bearing to
transfer shear force and integrate components, units or plates.
2.1.7 Prying action
It refers to the additional pressure generated at the edge of connecting pieces due to connecting
piece deformation and joint lever action caused by tensile load and bolt shaft axis deviation in the
T-type tension joints.
2.1.8 Mean slip coefficient
It refers to the ratio of external slip force to normal pressure (identical to the bolt pretension) in
connection during the slip of faying surface of high strength bolt connections.
2.1.9 Torque-pretension coefficient
It refers to the scale coefficient between the tightening torque applied on the nut and lead-in
axial pretension (tightening axial force) on the bolt in the high strength bolt connections.
2.1.10 Connection of sharing on a shear load by bolts and welds
It refers to the joint type designed considering that friction-type high strength bolt connections
and fillet weld share the same shear force.
2.1.11 Joint with combined bolts and welds
It refers to the joint type that flange adopts penetration weld connection and web adopts friction-
type high strength bolt connection in the splice nodes of beam, column and suppotiing components as
well as mutual connecting nodes.
2.1.12 Calibrated wrench method
It refers to the tightening method for high strength bolt assembly by controlling the construction
torque values .
2.1.13 Tum-of-nut method
It refers to the tightening method for high strength bolt assembly by controlling the relative
corner values of bolt and nut.
2.2 Symbols
2.2.1 Action and action effect
F-- Concentrated load;
M--Bending moment;
N--Concentric force ;
P--Pretension of high strength bolt;
Q--Prying force;
V--Shear force.
2.2.2 Calculation indices
}--Design values of tensile, compression and bending strength of steels;
fcb --Design value of bearing strength of high strength bolt connecting piece;
J;b--Design value of tensile strength of high strength bolt;
fv--Design value of shear strength of steel;
f vb --Design value of shear strength of high strength bolt;
N. --Design value of compression bearing capacity of single high strength bolt;
N 1b --Design value of tensile bearing capacity of single high strength bolt;
N~ --Design value of shear bearing capacity of single high strength bolt;
CJ-- Normal stress;
r--Shear stress .
2.2.3 Geometric parameters
A--Gross sectional area;
3 Basic Requirements
3.1 General Requirements
3.1.1 As for the design of high strength bolt connections, ultimate state design method based on
probability theory shall be adopted; as for the calculation, partial coefficient design expression shall
be adopted . Except the fatigue calculation, high strength bolt connections shall be designed according
to the following ultimate state criteria.
1 Ultimate bearing capacity state shall meet the foll...
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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