中国工程建设标准化协会公告　第2109号

前言

1　总　　则

2　术语和符号

• 2.1　术　　语

• 2.2　符　　号

3　基本规定

4　材　　料

• 4.1　钢　　材

• 4.2　钢　　筋

• 4.3　混凝土

• 4.4　防火保护材料

5　温度场计算

• 5.1　一般规定

• 5.2　火灾升温曲线

• 5.3　无防火保护钢管约束混凝土柱温度场

• 5.4　有防火保护钢管约束混凝土柱温度场

• 5.5　钢管约束混凝土结构温度场

6　耐火验算

• 6.1　一般规定

• 6.2　轴心受压钢管约束混凝土柱

• 6.3　偏心受压钢管约束混凝土柱

• 6.4　考虑转动约束效应的钢管约束混凝土柱

• 6.5　钢管约束混凝土结构节点及其他构件

7　防火保护措施与构造

8　火灾后鉴定

• 8.1　一般规定

• 8.2　鉴定内容与评级标准

• 8.3　火灾后承载能力计算

9　防火保护工程的施工、验收与维护

附录A　基于建筑室内标准火灾升降温曲线计算的火灾后温度场

附录B　钢管约束混凝土柱耐火验算流程图

附录C　采用非膨胀型钢结构防火涂料时钢管约束混凝土柱防火保护层的设计厚度

• C.1　圆形钢管约束混凝土柱

• C.2　方形与矩形钢管约束混凝土柱

用词说明

引用标准名录

制定说明

1　General provisions

2　Terms and symbols

• 2.1　Terms

• 2.2　Symbols

3　Basic requirements

4　Materials

• 4.1　Structural steel

• 4.2　Steel bars

• 4.3　Concrete

• 4.4　Fire protection materials

5　Calculation of temperature distribution

• 5.1　General requirements

• 5.2　Temperature-time curve of fire

• 5.3　Temperature distribution of unprotected steel tube confined concrete columns

• 5.4　Temperature distribution of steel tube confined concrete columns insulated by fire protection material

• 5.5　Temperature distribution of steel tube confined concrete structures

6　Fire resistance design

• 6.1　General requirements

• 6.2　Steel tube confined concrete columns under concentric loading

• 6.3　Steel tube confined concrete columns under eccentric loading

• 6.4　Steel tube confined concrete columns considering rotational restraint effects

• 6.5　Joints and other members in steel tube confined concrete structures

7　Fire protection measures and construction

8　Post-fire appraisal

• 8.1　General requirements

• 8.2　Content for appraisal and rating standards

• 8.3　Post-fire calculation of bearing capacity

9　Construction，acceptance and maintenance of fire protection

Appendix A　Calculation of post-fire temperature distribution based on the standard fire curves including the cooling phases for indoor building environments

Appendix B　Fire resistance design procedure of steel tube confined concrete columns

Appendix C　Design thickness of fire protection for steel tube confined concrete columns insulated by non-intumescent fire resistive coating

Explanation of wording

List of quoted standards