中华人民共和国住房和城乡建设部公告第258号

前　　言

1　总　　则

2　术语和符号

• 2.1　术　　语

• 2.2　符　　号

3　荷载分类及其代表值

• 3.1　荷载分类

• 3.2　荷载代表值

4　荷载组合

• 4.1　一般规定

• 4.2　荷载效应组合值

• 4.3　荷载的有关系数

• 4.4　可变荷载的折减

5　永久荷载

6　可变荷载

• 6.1　楼、地面可变荷载

• 6.2　动力机器荷载

• 6.3　吊车荷载

• 6.4　工业炉、窑基础荷载

• 6.5　管网及装置荷载

• 6.6　贮料荷载

• 6.7　其他荷载

7　间接作用

• 7.1　温度作用

• 7.2　其他作用

8　偶然荷载

• 8.1　一般规定

• 8.2　爆炸荷载

• 8.3　其他荷载

9　荷载条件

• 9.1　一般规定

• 9.2　荷载条件内容

• 9.3　荷载条件评审

• 9.4　其他规定

附录A　矿山工程楼、地面可变荷载

附录B　冶炼工程楼、地面可变荷载

附录C　金属加工工程楼、地面可变荷载

附录D　工程常用物料物理参数

附录E　工程常用机器动力效应系数

附录F　钢筋混凝土肋形楼板自振频率简化计算

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 Classification of loads and representative values of loads

• 3.1 Classification of loads

• 3.2 Representative values of loads

4 Combination of loads

• 4.1 General requirement

• 4.2 Combination values of load effect

• 4.3 Load coefficients

• 4.4 Reduction of variable load

5 Permanent load

6 Variable load

• 6.1 Variable load on floor and ground

• 6.2 Dynamic machine load

• 6.3 Crane load

• 6.4 Foundation load of industrial furnace

• 6.5 Load of pipeline and equipment

• 6.6 Load of storage material

• 6.7 Other loads

7 Indirect action

• 7.1 Thermal action

• 7.2 Other actions

8 Accidental load

• 8.1 General requirement

• 8.2 Explosion load

• 8.3 Other loads

9 Load condition

• 9.1 General requirement

• 9.2 Content of load condition

• 9.3 Assessment of load condition

• 9.4 Other regulations

Appendix A Variable load on floor and ground of mine engineering

Appendix B Variable load on floor and ground of metallurgical engineering

Appendix C Variable load on floor and ground of metal processing engineering

Appendix D Physical parameters of materials commonly used for engineering

Appendix E Dynamic effect coefficient of machines commonly used for engineering

Appendix F Simplified calculation for natural vibration frequency of reinforced concrete ribbed floor

Explanation of wording in this code

List of quoted standards