用有限元模拟了单一弱面斜坡强震作用下的拉张破裂过程。
The finite element method is used to simulate tensile fracture process of slope with single weak plane under strong earthquake.
分析结果表明，按现行《电力设施抗震设施规范》设计的大跨越输电塔体系在强震作用下是偏于不安全的。
The results show that the effects of the lines on the high voltage transmission tower increase with the span between two towers.
为了模拟重力坝在强震作用下的破坏过程，利用扩展有限元框架下的分离裂纹模型描述混凝土中的裂纹扩展。
A discrete crack model based on the extended finite element method (XFEM) was used to describe the nonlinear fracture of concrete gravity DAMS during earthquakes.
通过计算，找到了立体桁架在强震作用下的薄弱部位，并对弹性和弹塑性计算结果作了对比，其结论可供工程设计人员在设计时参考。
Weak locations of space truss can be found. Through comparing the results of elastic and elastoplastic analysis, some conclusion can be drawn for reference to engineers.
青海地区强震震例研究表明，地震活动图像演化过程对强震的孕育有较好的预示作用。
It is shown that the evolution of seismicity patterns can predict well the strong earthquake preparation by the study of strong earthquakes in Qinghai area.
从断层间相互作用的角度分析了大陆强震准周期丛集复发行为的可能的物理机制。
From the viewpoint of fault interaction, the possible physical mechanism of the quasi-periodically clustering recurrence behavior of continental strong earthquakes is discussed.
计算表明：强震时，流体对槽身可能会产生很大的横向水平力，建议在抗震设计时考虑这一作用因素。
The numerical results reveal that a great horizontal force acting on the aqueduct body may occurred during strong earthquake. This action must be considered in seismic resistance design.
以上研究为强震动力作用下的斜坡体先期崩滑破坏提供了新方法。
It provides a new method for studies on the initial collapsing and sliding of slopes triggered by seismic loads.
以上研究为强震动力作用下的斜坡体先期崩滑破坏提供了新方法。
It provides a new method for studies on the initial collapsing and sliding of slopes triggered by seismic loads.
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