Comparing the conventional reliability results with the reliability results with considering the spatial variability of soil parameters,a conclusion is drawn that the horizontal seismic acceleration,soil parameters and spatial variability have significant impact on the slope stability.
结合Morgenstern-Price条分法和Monte-Carlo数值模拟方法,采用拟静力的方法考虑水平和竖向地震加速度的作用,运用可靠度理论分析了地震效应和土性参数对土坡稳定性的影响,且将常规的可靠度分析结果和考虑土性参数空间变异性的可靠度分析结果进行了对比,计算结果表明:水平地震加速度、土性参数及其空间变异性对土坡稳定性具有显著的影响。
With the exceeding probability curve of seismic acceleration,the expression of the curve can be obtained by curve fitting method,and also the probability density function of the seismic acceleration is obtained.
根据水平向地震加速度超越概率曲线,通过曲线拟合得到曲线的表达形式,从而获得地震加速度的概率密度函数;通过建筑结构的以易损性指数表达的易损性矩阵及多个城市的数据处理,得到建筑结构破坏程度即易损性指数的概率密度函数;最后通过上述的地震危险性分析和建筑结构的易损性分析就可以评估地震潜在风险。
By the method of Hilbert-Huang transform(HHT),this article defines an instantaneous frequency time history of seismic acceleration record,which can to some extent quantify the frequency-non-stationary characteristics of original acceleration record.
利用HHT方法定义了一种地震加速度记录的瞬时频率时程,该瞬时频率时程能够在一定程度上将原始加速度记录的频率非平稳特性予以量化。
Analysis of Response Spectrum Characteristics of Acceleration and Simulating Acceleration Records for Minor-Moderate Earthquakes in Fujian area, China
福建地区中小地震加速度与仿真加速度记录的反应谱特征分析
Acceleration spectrum attenuation relation for small and moderate earthquakes in Fujian region
福建地区中小地震加速度反应谱衰减规律
The Engineering System for Detecting Earthquake Acceleration Based on Micromachined Accelerometer;
基于微型传感器的地震加速度监测系统技术研究
accelerometer type seismometer
加速度式地震检滤器
The preliminary analysis of strong ground motion records from the M_s 8.0 Wenchuan Earthquake
汶川8.0级地震强震动加速度记录的初步分析
The Development and Application of Simulation of Earthquake Accelerations;
地震动加速度模拟软件的开发与应用
Variations of seismic design acceleration amplitude with depth for underground structures
地下工程设计地震动加速度幅值变化研究
A study of seismic reflection profiles and stack velocities in Qiangtang basin,northern Tibet
藏北羌塘盆地反射地震剖面与叠加速度研究
THE INTENSITY AND PGA OF JAN. 4, 1988 LINGWU EARTHQUAKE(M_s=5.5), NINGXIA ESTIMATED BY DAMAGE OF MULTI-STORY BRICK BUILDING
由多层砖房墙体震害估计1988年灵武5.5级地震的峰值加速度和烈度
2. synthesis of acceleration time while seismic oscillation is input to the bedrock ;
(2)基岩输入地震动加速度时间过程的人工合成;
Theoretical and Experimental Research on the Photo-electronic Integrated Acceleration Seismic Geophone;
光电集成加速度地震检波器的理论与实验研究
Theoretical and Experimental Research on the Si-based MOEMS Acceleration Seismic Geophone;
硅微光机械加速度地震检波器理论与实验研究
Research and Fabrication on the Si-based MOEMS Acceleration Seismic Geophone;
硅基微光机械加速度地震检波器的研制
The Influence of Epicenter Distance to Peak Ground Acceleration on Different Sites
震中距对不同类别场地峰值加速度的影响
Numerical Simulation of Spectra-compatible Seismic Ground Motion
基于设计加速度反应谱的地震动时程数值模拟
How the replacement and stacking velocity affect the effects of seismic data processing.
替换速度和叠加速度对地震数据处理效果的影响
Study and Application of Simulating Acceleration Time Histories Using Velocity Records of Regional Digital Seismograph Network
利用区域数字化地震台网速度记录仿真加速度时程的研究与应用
Comparison of the Recorded Acceleration Response Spectrum and the Designing Response Spectrum of Our Code for Seismic of Buildings
从实际地震的加速度谱看我国建筑抗震设计规范谱