目次#
1 总则#
2 术语和符号#
2.1 术语
2.2 符号
3 基本设计规定#
3.1 一般规定
3.2 结构体系
3.3 作用
3.4 结构或构件变形的规定
3.5 截面设计等级
4 材料和材料选用#
4.1 钢材牌号及标准
4.2 连接材料型号及标准
4.3 材料选用
4.4 设计指标和设计参数
5 结构分析与稳定性设计#
5.1 一般规定
5.2 初始缺陷
5.3 一阶弹性分析与设计
5.4 二阶弹性分析与设计
5.5 直接分析设计法
6 受弯构件#
6.1 受弯构件的强度
6.2 受弯构件的整体稳定
6.3 弯扭构件的强度及整体稳定
6.4 局部稳定
6.5 焊接截面梁腹板考虑屈曲后强度的计算
6.6 腹板开孔要求
6.7 梁的构造要求
7 轴心受力构件#
7.1 截面强度计算
7.2 轴压构件的稳定性计算
7.3 实腹轴压构件的局部稳定和屈曲后强度
7.4 轴压构件的计算长度和容许长细比
7.5 轴压构件的支撑
7.6 桁架和塔架杆件的特殊问题
8 拉弯、压弯构件#
8.1 截面强度计算
8.2 构件的稳定性计算
8.3 框架柱的计算长度
8.4 压弯构件的局部稳定和屈曲后强度
9 加劲钢板剪力墙#
9.1 一般规定
9.2 加劲钢板剪力墙的计算
9.3 构造要求
10 塑性及弯矩调幅设计#
10.1 一般规定
10.2 弯矩调幅设计要点
10.3 构件的计算
10.4 容许长细比和构造要求
11 连接#
11.1 一般规定
11.2 焊接连接计算
11.3 焊接连接构造要求
11.4 紧固件连接计算
11.5 紧固件连接构造要求
11.6 销轴连接
11.7 钢管法兰连接构造
12 节点#
12.1 一般规定
12.2 连接板节点
12.3 梁柱连接节点
12.4 铸钢节点
12.5 预应力索节点
12.6 支座
12.7 柱脚
13 钢管连接节点#
13.1 一般规定
13.2 构造要求
13.3 圆钢管直接焊接节点和局部加劲节点的计算
13.4 矩形钢管直接焊接节点和局部加劲节点的计算
14 钢与混凝土组合梁#
14.1 一般规定
14.2 组合梁设计
14.3 抗剪连接件的计算
14.4 挠度计算
14.5 负弯矩区裂缝宽度计算
14.6 纵向抗剪计算
14.7 构造要求
15 钢管混凝土柱及节点#
15.1 一般规定
15.2 矩形钢管混凝土构件
15.3 圆钢管混凝土构件
15.4 梁柱连接节点
16 疲劳计算及防脆断设计#
16.1 一般规定
16.2 疲劳计算
16.3 构造要求
16.4 防脆断设计
17 钢结构构件和节点抗震设计#
17.1 一般规定
17.2 计算要点
17.3 节点连接与构造要求
18 钢结构防护#
18.1 抗火设计
18.2 防腐蚀设计
18.3 隔热
附录A 常用建筑结构体系#
附录B 结构或构件的变形容许值#
附录C 简支梁、悬臂梁及框架梁的弹性屈曲临界弯矩#
附录D 轴心受压构件的稳定系数#
附录E 柱的计算长度系数#
附录F 设置加劲的钢板剪力墙的弹性屈曲临界应力#
附录G 桁架节点板在斜腹杆压力作用下的稳定计算#
附录H 无加劲钢管直接焊接节点刚度判别#
附录J 钢与混凝土组合梁的疲劳验算#
附录K 疲劳计算的构件和连接分类#
附录L 延性等级#
附录M 罕遇地震作用下的侧移计算#
本规范用词说明#
引用标准名录#
CONTENTS#
Chapter 1 General Provisions#
Chapter 2 Terms and Symbols#
2.1 Terms
2.2 Symbols
Chapter 3 General Requirements#
3.1 General
3.2 Structural Systems
3.3 Actions
3.4 Requirements of Deformation for Structures and Members
3.5 Classification of Sections
Chapter 4 Material#
4.1 Structural Steel Designations and Standards
4.2 Connections and Fasteners Material and Standards
4.3 Selection of Materials
4.4 Design Strength and Parameters
Chapter 5 Structure Analysis and Stability Design#
5.1 General
5.2 Initial Imperfections
5.3 First-order Elastic Analysis and Design
5.4 Second-order Elastic Analysis and Design
5.5 Direct Analysis Method of Design
Chapter 6 Flexural Members#
6.1 Shear and Flexural Strength
6.2 Flexural-torsional Stability of Beams
6.3 Design for Torsions
6.4 Plate Stability
6.5 Design of Beams Considering Post-buckling Strength of Webs
6.6 Strengthening of Openings
6.7 Detailings
Chapter 7 Axial Loaded Members#
7.1 Strength Calculation of Cross-sections
7.2 Stability Calculation of Members for Axial Compression
7.3 Local Stability and Post-buckling Strength of Solid Web Members for Axial Compression
7.4 Effective Length and Allowable Slenderness Ratio of Members for Axial Compression
7.5 Brace of Members for Axial Compression
7.6 Special Problems of Truss and Tower Members
Chapter 8 Members for Combined Axial Load and Bending#
8.1 Strength Calculation of Cross-sections
8.2 Stability Calculation of Members
8.3 Effective Length of Frame Columns
8.4 Local Stability and Post-buckling Strength of Beam-columns
Chapter 9 Stiffened Steel Shear Wall#
9.1 General
9.2 Design of Stiffened Steel Shear Walls
9.3 Detailings
Chapter 10 Plastic Design and Provisions for Design using Moment Redistribution#
10.1 General
10.2 Provisions for Design using Moment Redistribution
10.3 Calculation of Member Strength and Stability
10.4 Slenderness Limitations and Detailings
Chapter 11 Connections#
11.1 General
11.2 Calculation of Welded Connections
11.3 Detailing Requirements of Welded Connections
11.4 Calculation of Fasteners
11.5 Detailing Requirements of Fasteners
11.6 Pin Connection
11.7 Details of Flanged Connections for Steel Tubes
Chapter 12 Joint#
12.1 General
12.2 Connecting Plate Joint
12.3 Beam-Column Joint
12.4 Cast Steel Joint
12.5 Pre-stressed Cable Joint
12.6 Bearing
12.7 Column Foot
Chapter 13 Steel Tubular Joints#
13.1 General
13.2 Detail Requirements
13.3 Design of Unstiffened and Stiffened CHS Joints
13.4 Design of Unstiffened and Stiffened RHS Joints
Chapter 14 Composite Steel and Concrete Beam#
14.1 General
14.2 Design of Composite Beam
14.3 Calculation of Shear Connection
14.4 Calculation of Deflection
14.5 Calculation of Concrete Crack Width at Hogging Moment Region
14.6 Calculation of Longitudinal Shear
14.7 Detailing Provisions
Chapter 15 Concrete-filled Steel Tubular Column and Joint#
15.1 General
15.2 Rectangular Concrete-filled Steel Tubular Member
15.3 Circular Concrete-filled Steel Tubular Member
15.4 Beam-column Joint
Chapter 16 Design for Fatigue and Brittle Fracture#
16.1 General
16.2 Design for Fatigue
16.3 Requirements of Details
16.4 Prevention of Brittle Fracture
Chapter 17 Seismic Design of Steel Structural Members#
17.1 General
17.2 Design Requirements
17.3 Connections and Details
Chapter 18 Protection of Steel Structures#
18.1 Fire-Resistant Design
18.2 Corrosion Prevention Design
18.3 High Temperature Insulation
Appendix#
Appendix A Common Structural Systems
Appendix B Limits of Deflection for Structures and Flexural Members
Appendix C Elastic Buckling Moment of Simply-supported Cantilevered and Framed Beams
Appendix D Stability Coefficients of Members for Axial Compression
Appendix E Effective Length Factors of Columns
Appendix F Elastic Buckling Stresses for Stiffened Steel Shear Walls
Appendix G Buckling Calculation of Truss Connecting Plate under Diagonal Compression
Appendix H Classifications of Unstiffened Tubular Joints in Terms of Rigidity
Appendix J Fatigue Design of Composite Steel and Concrete Beam
Appendix K Design Value of Composite Compressive and Shear Strength for Circular Concrete-filled Steel Tube
Appendix L Ductility Classifications of Steel Structures
Appendix M Drift Limits in Rare Earthquake
Explanation of Wording in This Code
List of Quoted Standards
Addition: Explanation of Provisions