本规范共分10章和9个附录,主要技术内容是:总则、术语和符号、荷载分类和荷载组合、永久荷载、楼面和屋面活荷载、吊车荷载、雪荷载、风荷载、温度作用、偶然荷载。
GB50009-2012······1
1 总则······13
2 术语和符号······14
2.1 术语······14
2.2 符号······17
3 荷载分类和荷载组合······20
3.1 荷载分类和荷载代表值······20
3.2 荷载组合······21
4 永久荷载······25
5 楼面和屋面活荷载······26
5.1 民用建筑楼面均布活荷载······26
5.2 工业建筑楼面活荷载······29
5.3 屋面活荷载······30
5.4 屋面积灰荷载······31
5.5 施工和检修荷载及栏杆荷载······33
5.6 动力系数······33
6 吊车荷载······35
6.1 吊车竖向和水平荷载······35
6.2 多台吊车的组合······36
6.3 吊车荷载的动力系数······36
6.4 吊车荷载的组合值、频遇值及准永久值······36
7 雪荷载······38
7.1 雪荷载标准值及基本雪压······38
7.2 屋面积雪分布系数······38
8 风荷载······42
8.1 风荷载标准值及基本风压······42
8.2 风压高度变化系数······43
8.3 风荷载体型系数······45
8.4 顺风向风振和风振系数······69
8.5 横风向和扭转风振······72
8.6 阵风系数······74
9 温度作用······76
9.1 一般规定······76
9.2 基本气温······76
9.3 均匀温度作用······77
10 偶然荷载······78
10.1 一般规定······78
10.2 爆炸······78
10.3 撞击······79
附录A 常用材料和构件的自重······81
附录B 消防车活荷载考虑覆土厚度影响的折减系数······99
附录C 楼面等效均布活荷载的确定方法······101
附录D 工业建筑楼面活荷载······106
附录E 基本雪压、风压和温度的确定方法······111
附录F 结构基本自振周期的经验公式······164
附录G 结构振型系数的近似值······167
附录H 横风向及扭转风振的等效风荷载······169
附录J 高层建筑顺风向和横风向风振加速度计算······177
本规范用词说明······180
引用标准名录······181
附:条文说明······183
1 总则······192
2 术语和符号······194
3 荷载分类和荷载组合······195
3.l 荷载分类和荷载代表值······195
3.2 荷载组合······199
4 永久荷载······207
5 楼面和屋面活荷载······208
5.1 民用建筑楼面均布活荷载······208
5.2 工业建筑楼面活荷载······216
5.3 屋面活荷载······217
5.4 屋面积灰荷载······218
5.5 施工和检修荷载及栏杆荷载······220
6 吊车荷载······222
6.1 吊车竖向和水平荷载······222
6.2 多台吊车的组合······225
6.3 吊车荷载的动力系数······226
6.4 吊车荷载的组合值、频遇值及准永久值······227
7 雪荷载······228
7.1 雪荷载标准值及基本雪压······228
7.2 屋面积雪分布系数······230
8 风荷载······234
8.1 风荷载标准值及基本风压······234
8.2 风压高度变化系数······236
8.3 风荷载体型系数······238
8.4 顺风向风振和风振系数······241
8.5 横风向和扭转风振······246
8.6 阵风系数······250
9 温度作用······251
9.1 一般规定······251
9.2 基本气温······252
9.3 均匀温度作用······253
10 偶然荷载······256
10.1 一般规定······256
10.2 爆炸······257
10.3 撞击······260
