GB50017-2017······1
1 总则······19
2 术语和符号······20
2.1 术语······20
2.2 符号······23
3 基本设计规定······28
3.1 一般规定······28
3.2 结构体系······30
3.3 作用······31
3.4 结构或构件变形及舒适度的规定······33
3.5 截面板件宽厚比等级······33
4 材料······36
4.1 钢材牌号及标准······36
4.2 连接材料型号及标准······36
4.3 材料选用······38
4.4 设计指标和设计参数······40
5 结构分析与稳定性设计······47
5.1 一般规定······47
5.2 初始缺陷······48
5.3 一阶弹性分析与设计······51
5.4 二阶P-△弹性分析与设计······51
5.5 直接分析设计法······52
6 受弯构件······55
6.1 受弯构件的强度······55
6.2 受弯构件的整体稳定······57
6.3 局部稳定······60
6.4 焊接截面梁腹板考虑屈曲后强度的计算······67
6.5 腹板开孔要求······70
6.6 梁的构造要求······71
7 轴心受力构件······73
7.1 截面强度计算······73
7.2 轴心受压构件的稳定性计算······75
7.3 实腹式轴心受压构件的局部稳定和屈曲后强度······86
7.4 轴心受力构件的计算长度和容许长细比······89
7.5 轴心受压构件的支撑······95
7.6 单边连接的单角钢······96
8 拉弯、压弯构件······99
8.1 截面强度计算······99
8.2 构件的稳定性计算······101
8.3 框架柱的计算长度······107
8.4 压弯构件的局部稳定和屈曲后强度······112
8.5 承受次弯矩的桁架杆件······115
9 加劲钢板剪力墙······116
9.1 一般规定······116
9.2 加劲钢板剪力墙的计算······116
9.3 构造要求······118
10 塑性及弯矩调幅设计······120
10.1 一般规定······120
10.2 弯矩调幅设计要点······121
10.3 构件的计算······122
10.4 容许长细比和构造要求······123
11 连接······125
11.1 一般规定······125
11.2 焊缝连接计算······126
11.3 焊缝连接构造要求······131
11.4 紧固件连接计算······135
11.5 紧固件连接构造要求······139
11.6 销轴连接······142
11.7 钢管法兰连接构造······145
12 节点······146
12.1 一般规定······146
12.2 连接板节点······146
12.3 梁柱连接节点······150
12.4 铸钢节点······154
12.5 预应力索节点······155
12.6 支座······155
12.7 柱脚······157
13 钢管连接节点······163
13.1 一般规定······163
13.2 构造要求······164
13.3 圆钢管直接焊接节点和局部加劲节点的计算······168
13.4 矩形钢管直接焊接节点和局部加劲节点的计算······185
14 钢与混凝土组合梁······195
14.1 一般规定······195
14.2 组合梁设计······198
14.3 抗剪连接件的计算······201
14.4 挠度计算······204
14.5 负弯矩区裂缝宽度计算······205
14.6 纵向抗剪计算······206
14.7 构造要求······208
15 钢管混凝土柱及节点······211
15.1 一般规定······211
15.2 矩形钢管混凝土柱······211
15.3 圆形钢管混凝土柱······212
15.4 钢管混凝土柱与钢梁连接节点······212
16 疲劳计算及防脆断设计······214
16.1 一般规定······214
16.2 疲劳计算······214
16.3 构造要求······219
16.4 防脆断设计······223
17 钢结构抗震性能化设计······225
17.1 一般规定······225
17.2 计算要点······229
17.3 基本抗震措施······240
18 钢结构防护······249
18.1 抗火设计······249
18.2 防腐蚀设计······249
18.3 隔热······251
附录A 常用建筑结构体系······253
附录B 结构或构件的变形容许值······256
附录C 梁的整体稳定系数······261
附录D 轴心受压构件的稳定系数······266
附录E 柱的计算长度系数······271
附录F 加劲钢板剪力墙的弹性屈曲临界应力······284
附录G 桁架节点板在斜腹杆压力作用下的稳定计算······292
附录H 无加劲钢管直接焊接节点刚度判别······294
附录J 钢与混凝土组合梁的疲劳验算······297
附录K 疲劳计算的构件和连接分类······299
本标准用同说明······308
引用标准名录······309
