传统的钢框架分析和设计都假定梁与柱的连接是完全刚性的，或是按理想铰接的。
The traditional analysis and design of steel frame assume beam-column connections are fully rigid or ideal pin connection.
将这些方程组简化后，用于刚性明挖基础的计算，结果基底竖向应力和目前通行的计算方法完全相同。
Simplifing the equations and using them to the calculations of rigid foundations, the results of vertical pressure stresses are same completely with the traditional theory.
设计了伞齿轮完全闭塞式锻造的模架，核心部位刚性锁模机构具有良好的闭模特性。
A typical die set for closed-die forging has been designed, of which the core rigid close-die mechanism has a good property.
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