中华人民共和国住房和城乡建设部公告

修订说明

前　　言

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　结构方案

• 3.3　承载能力极限状态计算

• 3.4　正常使用极限状态验算

• 3.5　耐久性设计

• 3.6　防连续倒塌设计原则

• 3.7　既有结构设计原则

4　材　　料

• 4.1　混　凝　土

• 4.2　钢　　筋

5　结构分析

• 5.1　基本原则

• 5.2　分析模型

• 5.3　弹性分析

• 5.4　塑性内力重分布分析

• 5.5　弹塑性分析

• 5.6　塑性极限分析

• 5.7　间接作用分析

6　承载能力极限状态计算

• 6.1　一般规定

• 6.2　正截面承载力计算

• 6.3　斜截面承载力计算

• 6.4　扭曲截面承载力计算

• 6.5　受冲切承载力计算

• 6.6　局部受压承载力计算

• 6.7　疲劳验算

7　正常使用极限状态验算

• 7.1　裂缝控制验算

• 7.2　受弯构件挠度验算

8　构造规定

• 8.1　伸　缩　缝

• 8.2　混凝土保护层

• 8.3　钢筋的锚固

• 8.4　钢筋的连接

• 8.5　纵向受力钢筋的最小配筋率

9　结构构件的基本规定

• 9.1　板

• 9.2　梁

• 9.3　柱、梁柱节点及牛腿

• 9.4　墙

• 9.5　叠合构件

• 9.6　装配式结构

• 9.7　预埋件及连接件

10　预应力混凝土结构构件

• 10.1　一般规定

• 10.2　预应力损失值计算

• 10.3　预应力混凝土构造规定

11　混凝土结构构件抗震设计

• 11.1　一般规定

• 11.2　材　　料

• 11.3　框　架　梁

• 11.4　框架柱及框支柱

• 11.5　铰接排架柱

• 11.6　框架梁柱节点

• 11.7　剪力墙及连梁

• 11.8　预应力混凝土结构构件

• 11.9　板柱节点

附录A　钢筋的公称直径、公称截面面积及理论重量

附录B　近似计算偏压构件侧移二阶效应的增大系数法

附录C　钢筋、混凝土本构关系与混凝土多轴强度准则

• C.1　钢筋本构关系

• C.2　混凝土本构关系

• C.3　钢筋-混凝土粘结滑移本构关系

• C.4　混凝土强度准则

附录D　素混凝土结构构件设计

• D.1　一般规定

• D.2　受压构件

• D.3　受弯构件

• D.4　局部构造钢筋

• D.5　局部受压

附录E　任意截面、圆形及环形构件正截面承载力计算

附录F　板柱节点计算用等效集中反力设计值

附录G　深受弯构件

附录H　无支撑叠合梁板

附录J　后张曲线预应力筋由锚具变形和预应力筋内缩引起的预应力损失

附录K　与时间相关的预应力损失

本规范用词说明

引用标准名录

1　General Provisions

2　Terms and Symbols

• 2.1　Terms

• 2.2　Symbols

3　General Requirements

• 3.1　General

• 3.2　Structural Scheme

• 3.3　Ultimate Limit States

• 3.4　Serviceability Limit States

• 3.5　Durability Requirements

• 3.6　Principles for Design of Preventing Progressive Collapse

• 3.7　Principles for Design of Existing Structures

4　Materials

• 4.1　Concrete

• 4.2　Steel Reinforcement

5　Structural Analysis

• 5.1　General

• 5.2　Analysis Model

• 5.3　Elastic Analysis

• 5.4　Analysis on Plastic Re-distribution of Internal Forces

• 5.5　Elastic-Plastic Analysis

• 5.6　Plastic Limit Analysis

• 5.7　Indirect Action Effect Analysis

6　Ultimate Limit States Design

• 6.1　General

• 6.2　Calculation of Flexual and Axial Capacity

• 6.3　Calculation of Shear Capacity

• 6.4　Calculation of Torsional Capacity

• 6.5　Calculation of Punching Shear Capacity

• 6.6　Calculation of Local Compression Capacity

• 6.7　Checking of Fatigue

7　Checking of Serviceability Limit States

• 7.1　Checking of Cracks

• 7.2　Checking of Deflection of Flexural Members

8　Detailing Requirements

• 8.1　Expansion Joint

• 8.2　Concrete Cover

• 8.3　Anchorage of Steel Reinforcement

• 8.4　Splices of Reinforcement

• 8.5　Minimum Ratio of Reinforcement for Flexual and Axial Loading Members

9　Fundamental Requirements for Structural Members

• 9.1　Slabs

• 9.2　Beams

• 9.3　Columns，Joints and Brackets

• 9.4　Walls

• 9.5　Composite Members

• 9.6　Precast Concrete Structures

• 9.7　Embeded Parts and Connecting Pieces

10　Prestressed Concrete Structural Members

• 10.1　General

• 10.2　Loss of Prestress

• 10.3　Detailing of Prestressed Concrete Members

11　Seismic Design of Reinforced Concrete Structural Members

• 11.1　General

• 11.2　Materials

• 11.3　Frame Beams

• 11.4　Frame Columns and Columns Supporting Structural Transfer Member

• 11.5　Column of Hinged Bent

• 11.6　Joints of Frame

• 11.7　Shear Walls and Coupling Beams

• 11.8　Prestressed Concrete Structural Members

• 11.9　Slab-Column Joints

Appendix A　Nominal Diameter，Sectional Areas and Theoretical Weight of Steel Reinforcement

Appendix B　Approximate Coefficient Method for Second Order Effect of Sway Structure

Appendix C　Constitutive Relations for Steel Reinforcement and Concrete and the Rule of Multi-axial Strength for Concrete

Appendix D　Design of Plain Concrete Structural Members

Appendix E　Calculation for Flexual and Axial Capacity of Circular，Annular and Arbitrary Cross Sections

Appendix F　Design Value of Equivalent Concentrated Reaction Used for Calculation of Slab-Column Joints

Appendix G　Deep Flexural Members

Appendix H　Composite Beam and Slab Without Shores

Appendix J　Loss of Prestress of Curved Post-tensionedTendons Due to Anchorage Seating and Tendon Shortening

Appendix K　Time-dependent Loss of Prestress

Explanation of Wording in This Code

List of Quoted Standards