seismic coefficient

The non-elasticity coefficient, site response and source parameters have been obtained by use of 143 horizontal-component digital seismic recordings from 7 seismic stations in Hefei Digital Seismograph Network.

根据安徽数字地震台网7个地震台的143条波形资料，研究了安徽地区的衰减模型和各台站的场地响应。

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The results indicate that when earthquake load is calculated with the use of suggested dynamic seismic coefficient figure, seismic force in the dam body decreases, which result in the reduction of slide moment of soil trips and the increase of dam slope safety factor.

结果表明，在使用地震动态分布系数建议图计算地震力时，坝体所受的地震荷载有所减小，导致土体滑动力矩相应减小，安全系数有所增加。

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Model of slope's dynamic response to blasting is given. The relationship between blasting seismic coefficient and slope stability coefficient is established based on kinematics element analysis.

建立了滑坡体爆破动力响应分析模型，基于运动单元法得出了爆破地震系数Ad与边坡安全系数Kd的关系；

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Aiming at compensating the absorption and attenuation of seismic signal, the paper anew establishes the relationship about absorption coefficient and Q-value, and brings forward a time window method that is base on reverse Q-value to compensate strata absorption and attenuation in frequency domain.

针对地震信号的吸收衰减补偿问题，在重新建立吸收系数和Q值关系的基础上，提出了一种基于反Q补偿的分时窗频域吸收衰减补偿方法。

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A Simplified Method for Evaluating Equivalent Seismic Coefficient and Max. Amplitude of Horizontal Shear Stress in Earth Dams during Earthquakes

土坝等价地震系数和水平剪应力最大幅值的简化计算

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Furthermore, with improved limit equilibrium method and strength reduction technique, the influence of dynamic seismic coefficient upon slope safety factor and critical slide surface of high earth and rockfill dams is analyzed.

然后利用改进的极限平衡法和强度折减法分析了地震动态分布系数对高土石坝坝坡抗震安全系数和临界滑动面的影响。

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Experiment shows that when damping coefficient and positive feedback capacity are properly chosen and theoretical amplitude-frequency curve is basically in conformity with actual one, the alias filter can provide high fidelity of transmitted seismic signal.

实验表明，阻尼系数和正反馈电容选择合适，理论计算的幅频特性曲线和实测的幅频特性曲线基本一致，可以实现去假频滤波器对传输地震信号的高保真。

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Hydrology has obvious characteristics of the upper reaches of the Yangtze, water density, bifurcation ratio, bend coefficient and fractural have close relationship with regional structure, Neotectonics and seismic.

水文具有长江上游的典型特征，河网密度、分歧率、弯曲系数及分维均与区域构造、新构造运动和地震成正相关关系。土壤具有岩性差异背景及垂直谱带性。

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The position of the critical slide surface is mostly determined by strength criterion of dam material, and the influence of dynamic seismic coefficient can be neglected. 4.

临界滑动面的位置主要取决于坝料强度准则，地震动态分布系数的影响不大。

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