土木工程毕业设计第六章竖向荷载（恒载活载）作用下框架（精）

(1计算梁、柱相对线刚度

图 6.1 修正后梁柱相对线刚度 (2计算弯矩分配系数 结构三层 ①梁 μ B3C3

=5.37÷(5.37+1.18=0.820 μ C3B3

=5.37÷(5.37+3.52+1.18=0.533 μ

C3D3

=3.52÷(5.37+3.52+1.18=0.350 μ D3C3

=3.52÷(3.52+1.18=0.749 ②柱 μ B3B2

=1.18÷(5.37+1.18=0.180 μ C3C2

=1.18÷(5.37+3.52+1.18=0.117 μ D3D2

=1.18÷(3.52+1.18=0.251 结构二层 ①梁 μ B2C2

=5.37÷(1.18+1.18+5.37=0.695 μ

C2B2

=5.37÷(1.18+1.18+5.37+3.52=0.477 μ C2D2

=3.52÷(1.18+1.18+5.37+3.52=0.313 μ D2C2

=3.52÷(1.18+1.18+3.52=0.5986 ②柱 μ B2B3

=1.18÷(1.18+1.18+5.37=0.1525 μ B2B1

=1.18÷(1.18+1.18+5.37=0.1525 μ C2C3

=1.18÷(1.18+1.18+5.37+3.52=0.105 μ C2C1

=1.18÷(1.18+1.18+5.37+3.52=0.105 μ D2D3

=1.18÷(1.18+1.18+3.52=0.2007 μ D2D1

=1.18÷(1.18+1.18+3.52=0.2007 结构一层 ①梁 μ B1C1

=5.37÷(1.18+1+5.37=0.711 μ C1B1

=5.37÷(1.18+1+5.37+3.52=0.485 μ C1D1

=3.52÷(1.18+1+5.37+3.52=0.318 μ D1C1

=3.52÷(1.18+1+3.52=0.618