Rigid-plastic model was used to analyze the effection of supports frictional resistance on beam-ends displacement and results indicated that the supports frictional resistance should be include During the cable-stayed bridge displacement prediction.
其中采用刚-塑性刚度模型研究了支座摩阻力对静态下梁端位移的影响,指出在斜拉桥梁端纵向位移计算时需考虑支座摩阻力的影响。
The new theories include a tension stress theory of the rigid-plastic mechanical model when H/ D> 1 and a shearing stress theory of the hydrostatic stress mechanical model when H/ D < 1.
H/D
In the upsetting technology theory, a tension stress theory of a rigid-plastic mechanical model and a shearing stress theory of a hydraulic stress mechanical model are proposed for upsetting a cylinder between flat platens, and a new type technology for upsetting between cone-platens is advanced.
在镦粗工艺理论方面,提出了圆柱体镦粗的刚塑性力学模型的拉应力理论和静水应力力学模型的切应力理论,设计了锥形板镦粗的新工艺。
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