...ernal forces in beams)弯矩图为正值画在 x 轴上侧,负值画在 x 轴下侧二、剪力图和弯矩图(Shear-force&bending-moment diagrams)剪力图为正值画在 x 轴上侧,负值画在 x 轴下侧以平行于梁轴的横坐标 x表示横截面的位置,以纵坐标表示相应截面上的剪力和弯矩,这种...
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介绍了一种用剪力图和弯矩图求平面平行弦桁架内力的关系式，并利用截面法给出了相应的证明。
By means of the shear-diagram and the bending-diagram, the expressions of the internal forces in the members of the truss are introduced and demonstrated by the cross-section method in this paper.
借助与桁架对应的梁的剪力图和弯矩图根据两个关系式可直接求出一般平面平行弦桁架任一根杆件的轴力。
For a complanate parallel chords truss, the axial forces of a member can be solved by the shear-diagram and two simple expressions.
利用MATLAB绘制剪力图、弯矩图、应力圆以及求解最大弯矩和主应力。
The bending moment diagram and circle of stress are drawn; the most flexural torque and primary stress are solved in MATLAB.
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