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　作用组合及分项系数

• 3.1　作　　用

• 3.2　作用组合

• 3.3　作用分项系数

4　建筑物自重及永久设备自重

5　静水压力

• 5.1　建筑物的静水压力

• 5.2　坝内埋管及地下结构的外水压力

• 5.3　边坡的地下水作用

6　扬　压　力

• 6.1　一般规定

• 6.2　混凝土坝的扬压力

• 6.3　水闸的扬压力

• 6.4　水电站厂房和泵站厂房的扬压力

7　动水压力

• 7.1　一般规定

• 7.2　时均压力

• 7.3　反弧段水流离心力

• 7.4　水流的冲击力

• 7.5　脉动压力

• 7.6　水击压力

8　地应力及围岩压力

• 8.1　一般规定

• 8.2　岩体初始地应力

• 8.3　围岩压力

9　土压力和淤沙压力

• 9.1　挡土建筑物的土压力

• 9.2　埋管的土压力

• 9.3　淤沙压力

10　风荷载和雪荷载

• 10.1　风　荷　载

• 10.2　雪　荷　载

11　冰压力和冻胀力

• 11.1　动冰压力

• 11.2　静冰压力

• 11.3　冻　胀　力

12　浪　压　力

• 12.1　一般规定

• 12.2　直墙式挡水建筑物上的浪压力

• 12.3　斜坡式挡水建筑物上的浪压力

13　楼面及平台活荷载

• 13.1　水电站厂房楼面及平台活荷载

• 13.2　泵站厂房楼面活荷载

• 13.3　厂房梁、墙、柱和基础的楼面（平台）活荷载

14　桥式起重机和启闭机荷载

• 14.1　桥式起重机荷载

• 14.2　移动式启闭机荷载

• 14.3　固定式启闭机荷载

15　温度作用

• 15.1　一般规定

• 15.2　边界温度

• 15.3　温度作用的标准值

16　灌浆压力

17　预应力锚固荷载

附录A　水工结构主要作用按随时间变异的分类

附录B　水工建筑物的材料重度

附录C　混凝土衬砌隧洞的外水压力折减系数

附录D　改进阻力系数法

附录E　拱坝跌流消能时护坦冲击力计算

附录F　简单管路水击压力计算公式

附录G　主动土压力系数Ka和静止土压力系数K0的计算

附录H　波浪要素和波浪爬高计算

• H.1　基本资料

• H.2　波浪要素计算

• H.3　波浪爬高计算

附录J　水库坝前水温计算

附录K　拱坝运行期温度作用的标准值

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　Combinations and partial factors of actions

• 3.1　Actions

• 3.2　Combinations of actions

• 3.3　Partial factors of actions

4　Self weight of structures and permanent equipments

5　Hydrostatic pressure

• 5.1　Hydrostatic pressure on structures

• 5.2　External water pressure on penstocks embedded indam and underground structures

• 5.3　Actions of ground water in slopes

6　Uplift pressure

• 6.1　General requirements

• 6.2　Uplift pressure on concrete dams

• 6.3　Uplift pressure on sluices

• 6.4　Uplift pressure on hydropower houses and pumpingplant houses

7　Hydrodynamic pressure

• 7.1　General requirements

• 7.2　Time-average pressure

• 7.3　Centrifugal force of flow on ogee sections

• 7.4　Impact force of flow

• 7.5　Fluctuating pressure

• 7.6　Water hammer pressure

8　Ground stress and surrounding rock pressure

• 8.1　General requirements

• 8.2　Initial ground stress of rock mass

• 8.3　Surrounding rock pressure

9　Earth pressure and silt pressure

• 9.1　Earth pressure on retaining structures

• 9.2　Earth pressure on buried pipes

• 9.3　Silt pressure

10　Wind load and snow load

• 10.1　Wind load

• 10.2　Snow load

11　Ice pressure and frost-heaving force

• 11.1　Dynamic ice pressure

• 11.2　Static ice pressure

• 11.3　Frost-heaving force

12　Wave pressure

• 12.1　General requirements

• 12.2　Wave pressure on upright water retaining structures

• 12.3　Wave pressure on sloping water retaining structures

13　Live load on floors and platforms

• 13.1　Live load on floors and platforms of hydropowerhouses

• 13.2　Live load on floors of pumping plant houses

• 13.3　Live load on floors and platforms of beams,walls,columns and foundations of powerhouses

14　Load of bridge cranes and gate hoists

• 14.1　Load of bridge cranes

• 14.2　Load of movable hoists

• 14.3　Load of fixed hoists

15　Thermal action

• 15.1　General requirements

• 15.2　Boundary temperature

• 15.3　Characteristic value of thermal action

16　Grouting pressure

17　Prestressed anchorage load

Appendix A　Classification of variation of primaryactions on hydraulic structures withtime

Appendix B　Unit weight of materials ofhydraulic structures

Appendix C　Reduction factors of external waterpressure on concrete lining tunnels

Appendix D　Improved resistance coefficient method

Appendix E　Calculation of impact force of flowon downstream apron of arch damunder overfall energy dissipation

Appendix F　Calculation formula of waterhammer pressure in simple pipelines

Appendix G　Calculation of active earth pressure coefficient Ka and static earth pressure coefficient K0

Appendix H　Calculation of wave elements andrun-u

Appendix J　Water temperature calculation infront of dams

Appendix K　Characteristic value of thermal actionon arch dam during operation period

Explanation of wording in this standard

List of quoted standards