并用附加弯矩的概念论述了区分压杆的强度和稳定问题的标志，说明压杆的第二类稳定问题和梁柱问题具有共性——均属于强度问题。
The criterion judging strength and stability problems may be obtained by using the concept of additional moment, and the general character of these structures is that they belong to strength problem.
计算了结构与运动刚体之间的冲击力时程曲线、梁中的剪力及弯矩分布、轴力杆件中的轴力分布。
The impact force-time history between the structure and the moving rigid-body, shear force and bending moment distribution along the beams, axial force distribution along the bars were calculated.
指出传力杆模型对模态频率和主振型有直接影响，动力分析中应当考虑接缝的剪力传递和弯矩传递。
The transfer of shearing and moment must be considered in dynamic analysis because the model of dowel bar affects the modal frequency and modal shape directly.
利用杆件截面的弯矩—曲率关系，可以直接由弹性杆件的转角—位移方程建立单元的非线性刚度矩阵。
By using the moment-curvature relationships of the member section, the inelastic element stiffness matrix is derived directly from the slope-deflection equation of clastic member.
从力矩分配法的原理出发，利用数列理论，导出了杆端弯矩计算公式。
Starting with the principle of moment distribution method, the paper applies sequence theory to derive the formula of rod-end bending moment.
就国内现有的薄壁钢梁弯扭失稳理论进行了分析，从薄壁杆件的一般理论出发，推导出荷载过截面弯心并与主轴平行的受弯钢梁的临界弯矩公式。
On the base of the general theory of thin-walled members, we deduce a new critical moment formula of steel beam under transverse loads which pass the shear center and parallel to the main axis.
给出了截面快速加载下的内阻比计算公式，以及杆件弯曲时截面弯矩、剪力的表达式。
Formula for internal resistance ratio under a quick section - load, expressions on sectional flexural torque and shear force when rod bent are given.
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.
附加弯矩导致桅杆的后背主弦杆受拉，传统的螺栓连接方法显得薄弱。
The additional bending moment results in the pulling state of rear back rod of the mast and the conventional bolt connection seems to be very weak.
滑移支座处连接的两个杆件均要求设铰接，以保证无弯矩存在。
Hinge joints are need for the two member bars near the roller support to ensure that no flexual torque exists.
结构最优立面形式应按风荷载的弯矩反算得到。设计中宜用刚性腹杆体系而非柔性腹杆体系；
The rigid web member system had better be used rather than flexible web member one to raise the structural stiffness.
使用该公式时无需作弯矩图，仅由杆端弯矩即可对结构的计算结果进行校核。
It be used not to need bending moment diagrams. final results computed be examined by bar bending moment. 9figs.
使用该公式时无需作弯矩图，仅由杆端弯矩即可对结构的计算结果进行校核。
It be used not to need bending moment diagrams. final results computed be examined by bar bending moment. 9figs.
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