疲劳性能试验检验材料在交变载荷作用下抵抗破断能力的一种试验，其试验的疲劳极限作为工程构件的设计依据。
The fatigue function test is the one that to examine resist burst function on the change force. It's basis engineering component design which the fatigue limit by test.
所给出的极限载荷公式可供工程设计人员参考。
Moreover, these limit load formulae can provide reference for the engineering designeers.
按规则设计，按分析设计，弹性应力分析，极限载荷分析，弹-塑性应力分析。
Design by Rule, Design by Analysis, Elastic Stress Analysis, Limit Load Analysis, Elastic-Plastic Stress Analysis.
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