不同冻结条件下辽西风积砂土动力参数试验研究 |
| 张向东, 任昆, 刘家顺 |
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Experimental study on dynamic parameters of aeolian sand in western Liaoning Province under different freezing conditions |
| Xiangdong ZHANG, Kun REN, Jiashun LIU |
| 图6 阻尼比计算方法的比较 |
| Fig.6 Comparison of damping ratios calculated by polygonal area accumulation, improved elliptic area method and elliptic area method |
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