中华人民共和国住房和城乡建设部公告

前　　言

1　总　　则

2　术语和符号

• 2.1　术　　语

• 2.2　符　　号

3　基本规定

• 3.1　结构选型

• 3.2　网架结构设计的基本规定

• 3.3　网壳结构设计的基本规定

• 3.4　立体桁架、立体拱架与张弦立体拱架设计的基本规定

• 3.5　结构挠度容许值

4　结构计算

• 4.1　一般计算原则

• 4.2　静力计算

• 4.3　网壳的稳定性计算

• 4.4　地震作用下的内力计算

5　杆件和节点的设计与构造

• 5.1　杆　　件

• 5.2　焊接空心球节点

• 5.3　螺栓球节点

• 5.4　嵌入式毂节点

• 5.5　铸钢节点

• 5.6　销轴式节点

• 5.7　组合结构的节点

• 5.8　预应力索节点

• 5.9　支座节点

6　制作、安装与交验

• 6.1　一般规定

• 6.2　制作与拼装要求

• 6.3　高空散装法

• 6.4　分条或分块安装法

• 6.5　滑　移　法

• 6.6　整体吊装法

• 6.7　整体提升法

• 6.8　整体顶升法

• 6.9　折叠展开式整体提升法

• 6.10　组合空间网格结构施工

• 6.11　交　　验

附录A　常用网架形式

附录B　常用网壳形式

附录C　网壳等效刚度的计算

附录D　组合网架结构的简化计算

附录E　网壳结构稳定承载力计算公式

附录F　多维反应谱法计算公式

附录G　用于屋盖的网架结构竖向地震作用和作用效应的简化计算

附录H　网壳结构水平地震内力系数

附录J　嵌入式毂节点主要尺寸的计算公式

附录K　橡胶垫板的材料性能及计算构造要求

本规程用词说明

引用标准名录

1　General Provisions

2　Terms and Symbols

• 2.1　Terms

• 2.2　Symbols

3　Basic Requirements

• 3.1　Structural Types

• 3.2　General Design Requirements for Space Trusses

• 3.3　General Design Requirements for Latticed Shells

• 3.4　General Design Requirements for Spatial Trusses，Arches and Beam String Structures

• 3.5　Allowable Deflection

4　Structural Analysis

• 4.1　General Principles of Analysis

• 4.2　Static Analysis

• 4.3　Stability Analysis of Latticed Shells

• 4.4　Calculation due to Earthquake

5　Design and Details of Members and Joints

• 5.1　Members

• 5.2　Welded Hollow Spherical Joints

• 5.3　Bolted Spherical Joints

• 5.4　Embeded Hub Joints

• 5.5　Cast Steel Joints

• 5.6　Pin Joints

• 5.7　Joints of Composite Structures

• 5.8　Joints of Prestressed Cable

• 5.9　Supporting Joints

6　Fabrication，Erection and Acceptance

• 6.1　General Requirements

• 6.2　Requirements for Fabrication and Assembly

• 6.3　Assembly Elements in the Air

• 6.4　Erection by Strips or Blocks

• 6.5　Assembly by Sliding

• 6.6　Integral Hoisting by Derrick Masts or Cranes

• 6.7　Integral Lifting-up

• 6.8　Integral Jacking-up

• 6.9　Fold and Unfold Methods

• 6.10　Construction of Composite Space Trusses

• 6.11　Checking and Acceptance

Appendix A　Types of Space Truss Commonly Used

Appendix B　Types of Latticed Shell Commonly Used

Appendix C　Equivalent Stiffness of Latticed Shells

Appendix D　Simplified Method of Analysis for Composite Space Trusses

Appendix E　Formula of Stability Capacity for Latticed Shells

Appendix F　Formula of Multidimensional Response Spectrum

Appendix G　Simplified Calculation of the Effect due to Vertical Earthquake for Roof Trusses

Appendix H　Coefficient of Forces of Latticed Shellsunder Horizontal Earthquake

Appendix J　Formula of Primary Dimensions of Embeded Hub Joints

Appendix K　Material Behaviour and Details Requirements of Elastomeric Bearing Pad

Explanation of Wording in this Specification

List of Quoted Standards