并用变幅疲劳试验结果验证了模型的有效性。
The validity of the model is verified by the test results of variable amplitude loading.
因此，对变幅疲劳寿命和累积损伤理论做进一步研究是很有意义的。
So it will result in error when calculating the fatigue life, and it is significant to study on the variable fatigue life and the cumulative damage theories.
本文进行了混凝土分别在单、双向侧压作用下受拉变幅疲劳试验，得到了疲劳寿命和残余应变。
Variable-amplitude fatigue tests for concrete in tension under single and bi-lateral pressures are conducted. Consequently, the fatigue life and residual strain are obtained.
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