And the results show that it is necessary to take account of anisotropy of layered soil effect in the seismic analysis of shield tunnel system in layered soil.
结果表明，在层状土体-地铁区间隧道的抗震分析中考虑土体各向异性的影响是必要的，所提出的计算模型是可行的。
By the effect analysis of various special processing methods, a set of seismic prediction techniques of malignant leakage such as coherent analysis and frequency spectrum analysis are summarized.
通过多种特殊处理方法效果的分析，总结了一套较为有效的恶性井漏地震预测技术，如相干体分析、频谱分析等。
In this paper, the blasting seismic strength rule is researched according to analysis of blasting vibration effect.
从爆破地震效应分析入手，探讨了爆破地震强度的变化规律。
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