中华人民共和国住房和城乡建设部公告第144号

前言

1　总则

2　术语和符号

• 2.1　术语

• 2.2　符号

3　材料

• 3.1　混凝土

• 3.2　钢材

• 3.3　普通钢筋

• 3.4　预应力筋

4　基本规定

• 4.1　一般规定

• 4.2　承载能力极限状态计算

• 4.3　正常使用极限状态验算

• 4.4　持久状况及短暂状况应力验算

• 4.5　倾覆稳定计算

• 4.6　疲劳计算

5　承载能力极限状态计算

• 5.1　抗弯承载力计算

• 5.2　抗剪承载力计算

• 5.3　整体稳定计算

6　正常使用极限状态验算

• 6.1　一般规定

• 6.2　应力验算

• 6.3　挠度验算

• 6.4　局部稳定验算

7　抗剪连接件

• 7.1　一般规定

• 7.2　抗剪承载力设计值

• 7.3　抗剪连接件疲劳计算

• 7.4　混凝土桥面板纵向抗剪计算

• 7.5　抗剪连接件的数量计算与布置

8　构造要求

• 8.1　混凝土桥面板

• 8.2　钢梁

• 8.3　抗剪连接件

• 8.4　其他构造要求

附录A　组合梁侧扭屈曲的弹性临界弯矩计算

附录B　基于有效弹性模量的虚拟荷载法

附录C　跨中未设置转向点的体外预应力组合梁挠度计算方法

附录D　开孔板连接件抗剪刚度计算方法

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 Materials

• 3.1 Concrete

• 3.2 Structural steel

• 3.3 Steel bar

• 3.4 Prestressing tendon

4 Basic requirement

• 4.1 General requirement

• 4.2 Design of ultimate limit states

• 4.3 Checking of serviceability limit states

• 4.4 Stress checking of persistent situation and transient situation

• 4.5 Checking of overturning stability

• 4.6 Calculation of fatigue

5 Design of ultimate limit states

• 5.1 Calculation of bending resistance

• 5.2 Calculation of shear resistance

• 5.3 Checking of overall stability

6 Checking of serviceability limit states

• 6.1 General requirement

• 6.2 Checking of stress

• 6.3 Checking of deflection

• 6.4 Checking of local stability

7 Shear connectors

• 7.1 General requirement

• 7.2 Design value of shear resistance

• 7.3 Calculation of fatigue of shear connectors

• 7.4 Longitudinal shear resistance of bridge decks

• 7.5 Quantity and arrangement of shear connectors

8 Detailing requirements

• 8.1 Concrete bridge decks

• 8.2 Steel beams

• 8.3 Shear connectors

• 8.4 Other detailing requirements

Appendix A Calculation of elastic critical moment of lateral buckling of composite beams

Appendix B Virtual load method based on effective elastic modulus

Appendix C Calculation of deflection of externally prestressed composite beams without deviators at midspan

Apperdix D Calculation of shear stiffness of perfobond connectors

Explanation of working in this code

List of quoted standards