1钢结构

钢结构课程设计

目录

摘要 ...................................................................................................................................................................... 1

1次梁设计 ........................................................................................................................................................... 1

1.1荷载设计 ............................................................................................................................................... 1

1.2选择次梁截面 ....................................................................................................................................... 1

1.3验算截面 ............................................................................................................................................... 2

1.3.1强度验算 ................................................................................................................................... 2

1.3.2挠度验算 ................................................................................................................................... 2

2主梁设计 ........................................................................................................................................................... 2

2.1跨中截面选择 ....................................................................................................................................... 2

2.1.1梁高 ........................................................................................................................................... 3

2.1.2腹板厚度 ................................................................................................................................... 3

2.1.3翼缘尺寸 ................................................................................................................................... 3

2.2截面几何性质计算 ............................................................................................................................... 4

2.3强度验算 ............................................................................................................................................... 4

2.4腹板稳定计算 ....................................................................................................................................... 4

2.5中间横向加劲肋设计 ........................................................................................................................... 6

2.6支座处支撑加劲肋设计 ....................................................................................................................... 6

2.7翼缘和腹板连接焊缝设计 ................................................................................................................... 7

2.7.1梁最大剪力 ............................................................................................................................... 7

2.7.2支座加劲肋与腹板的焊缝 ....................................................................................................... 7

3柱的设计 ........................................................................................................................................................... 7

3.1柱子承受轴心压力设计值 ................................................................................................................... 7

3.2选择截面 ............................................................................................................................................... 7

3.3截面验算 ............................................................................................................................................... 8

4柱头设计 ........................................................................................................................................................... 8

4.1顶板尺寸设计 ....................................................................................................................................... 8

4.2加劲肋长度设计 ................................................................................................................................... 9

4.3焊缝设计 ............................................................................................................................................... 9

5柱脚设计 ........................................................................................................................................................... 9

5.1底板尺寸确定 ..................................................................................................................................... 10

5.2确定底板厚度 ..................................................................................................................................... 10