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　一般规定

• 3.2　作用与作用组合

• 3.3　构造规定

4　材　　料

• 4.1　钢　　材

• 4.2　混凝土

• 4.3　连接材料

• 4.4　防护材料

5　结构分析

• 5.1　一般规定

• 5.2　计算指标

• 5.3　分析方法

6　钢管混凝土桁式混合结构承载力计算

• 6.1　一般规定

• 6.2　受压、受拉、受弯承载力计算

• 6.3　受剪承载力计算

7　钢管混凝土加劲混合结构承载力计算

• 7.1　一般规定

• 7.2　单肢结构正截面承载力计算

• 7.3　四肢结构正截面承载力计算

• 7.4　六肢结构正截面承载力计算

• 7.5　长细比影响下正截面承载力计算

• 7.6　长期荷载作用下正截面承载力计算

• 7.7　斜截面受剪承载力计算

• 7.8　拱形结构承载力计算

8　节点设计

• 8.1　一般规定

• 8.2　钢管混凝土桁式混合结构节点

• 8.3　钢管混凝土加劲混合结构柱-梁连接节点

• 8.4　基础与支承节点构造

• 8.5　节点抗疲劳设计

9　防护设计

• 9.1　一般规定

• 9.2　防腐设计

• 9.3　防火设计

• 9.4　防撞击设计

10　施工和验收

• 10.1　一般规定

• 10.2　制作与安装

• 10.3　钢管内混凝土施工

• 10.4　钢管外混凝土施工

• 10.5　检测与验收

附录A　钢管混凝土混合结构的材料本构模型

• A.1　混凝土

• A.2　钢　　材

附录B　轴心受压钢管混凝土构件的稳定系数

附录C　钢管混凝土加劲混合结构的长期荷载影响系数

附录D　相贯焊接节点的热点应力集中系数

附录E　单肢钢管混凝土加劲混合结构的耐火极限

本标准用词说明

引用标准名录

1　General Provisions

2　Terms and Symbols

• 2.1　Terms

• 2.2　Symbols

3　Basic Requirements

• 3.1　General Requirements

• 3.2　Actions and Combinations of Actions

• 3.3　Detailing Requirements

4　Materials

• 4.1　Steel

• 4.2　Concrete

• 4.3　Connection Materials

• 4.4　Protective Materials

5　Structural Analysis

• 5.1　General Requirements

• 5.2　Design Indices

• 5.3　Analysis Methods

6　Design of Trussed CFST Hybrid Structures

• 6.1　General Requirements

• 6.2　Design of Structures for Compression，Tension and Bending

• 6.3　Design of Structures for Shear

7　Design of Concrete-encased CFST Hybrid Structures

• 7.1　General Requirements

• 7.2　Design of Single-chord Structures for Compression and Bending

• 7.3　Design of Four-chord Structures for Compression and Bending

• 7.4　Design of Six-chord Structures for Compression and Bending

• 7.5　Design of Slender Structures for Compression and Bending

• 7.6　Design of Structures for Compression and Bending under Long-term Loading

• 7.7　Design of Structures for Shear

• 7.8　Design of Arch Structures

8　Design of Joints

• 8.1　General Requirements

• 8.2　Joints of Trussed CFST Hybrid Structures

• 8.3　Beam-to-column Joints of Concrete-encased CFST Hybrid Structures

• 8.4　Detailing Requirements for Column Bases and Supporting Joints

• 8.5　Fatigue Design of Joints

9　Protective Design

• 9.1　General Requirements

• 9.2　Design of Corrosion Resistance

• 9.3　Design of Fire Resistance

• 9.4　Design of Impact Resistance

10　Construction and Acceptance

• 10.1　General Requirements

• 10.2　Fabrication and Erection of Steel Tubes

• 10.3　Construction of Core Concrete

• 10.4　Construction of Concrete Encasement

• 10.5　Inspection and Acceptance

Appendix A　Constitutive Models for Materials in CFST Hybrid Structures

Appendix B　Stability Factors for CFST Members in Axial Compression

Appendix C　Long-term Load Coefficients for Concrete-encased CFST Hybrid Structures

Appendix D　Hot-spot Stress Concentration Factors for Intersecting Welded Joints

Appendix E　Fire Resistance Ratings of Single-chord Concrete-encased CFST Hybrid Structures

Explanation of Wording in This Standard

List of Quoted Standards