加速度反应谱

当输入高频Elcentro波时，在中、低频段，含冻土层路基的地震加速度反应谱较不含冻土层路基的地震加速度反应谱大；

In the mid and low frequency stage , the values of earthquake acceleration response spectrum for roadbed with frozen soil are larger than that without frozen soil when input is El Centro wave .

冻土场地地震加速度反应谱研究

Research on earthquake acceleration response spectrum of frozen soil ground

运用NDFEPS-2D计算了若干场地模型的地面加速度反应谱、速度反应谱、位移反应谱。

The ground surface response spectrum of acceleration , velocity and displacement were calculated using NDFEPS-2D .

地表水平加速度反应谱中，液化使特征周期至少延长0.1s以上，平均延长0.3s；

Also , the liquefaction makes the characteristic period of the response spectra of the surface horizontal accelerations prolonged by more than 0.1 s at least and 0.3 s on average .

地震加速度反应谱形状的模糊综合评判

Fuzzy synthetic evaluation on the shapes of seismic acceleration response spectra

阻尼对加速度反应谱影响的进一步研究

A Further Study of the Influence of Damping on Response Spectrum

液化土层对地表加速度反应谱的影响

Effect of soil liquefaction on response spectrum of surface acceleration

地震动加速度反应谱竖向分量与水平分量的比值

The ratios of vertical to horizontal acceleration response spectra

多年冻土场地路基地震加速度反应谱特性研究

Study on response spectrum characteristics of earthquake acceleration for roadbed on permafrost site

地震加速度反应谱拟合的直接法研究

Direct method of simulating response spectrum of earthquake acceleration

福建及邻区水平基岩加速度反应谱衰减关系

Attenuation Relations of Horizontal Bedrock Acceleration Response Spectrum in Fujian and Its Adjacent Areas

中国东部和西部地区水平向基岩加速度反应谱衰减关系

Attenuation Relations for Horizontal Peak Ground Acceleration and Response Spectrum in Eastern and Western China

本文将303个加速度反应谱形状分为五个集合。

303 seismic acceleration response spectra were divided into 5 sets according to their shapes .

基于设计加速度反应谱的地震动时程数值模拟

Numerical Simulation of Spectra-compatible Seismic Ground Motion

结合模态分析的结果对结构进行了地震加速度反应谱分析，得到了结构的抗震特性。

After the seismic accelerate response spectrum analysis , we derived the anti-seismic character of structure .

在此基础上确定了小震近震加速度反应谱的衰减关系，为核电站中类似问题提供借鉴。

By this , the spectrum attenuation relation of weak earthquake and near earthquake is determined .

蒙特卡罗方法模拟反符合屏蔽γ谱仪基于设计加速度反应谱的地震动时程数值模拟

Simulating Anticoincidence Shielded Gamma-Ray Spectrometer by Using Monte-Carlo Method Numerical Simulation of Spectra-compatible Seismic Ground Motion

走滑型地震的水平向长周期加速度反应谱值高于正断层型地震的水平向长周期加速度反应谱值。

The long-period horizontal acceleration response spectra of strike-slip earthquakes are higher than those of the normal-faulting earthquakes .

用于核工程地震安全性评价的中小地震水平向加速度反应谱衰减关系研究

Study on Attenuation Relationship of Horizontal Acceleration Response Spectrum of Moderate-small Earthquakes for Seismic Safety Evaluation of Nuclear Engineering

在加速度反应谱一致的前提下，研究了近断层速度脉冲的工程特性。

Under the condition of acceleration response spectrum being consistent , the engineering properties of near-fault velocity pulse are studied .

也说明场地条件和震级是影响我国加速度反应谱形状的主要因素。

The results show that there are significant effects of the soil condition and the earthquake magnitude on the response spectra .

分析发现，加速度反应谱和地震力调整系数谱相关的特征周期是不同的，后者比前者更长。

It is found that the characteristic periods corresponding to the acceleration response Sa and the R factor spectra are much different .

如何快速应对国际工程项目人工时与进度报价基于设计加速度反应谱的地震动时程数值模拟

How to Cope with the Quotation of Man-hours and Schedule Quickly in International Projects ; Numerical Simulation of Spectra-compatible Seismic Ground Motion

罕遇地震作用下，结构的顶层位移、速度、加速度反应谱相似。

Under rare seism , the top floor displacement , velocity and acceleration time histories of these two kinds of structures are similar .

抗震设计谱是以地震动加速度反应谱特性为依据，经统计和平滑化处理确定的。

The seismic design spectra are established based on the characteristics of earthquake acceleration response spectra , together with consideration of experiences and economy .

加速度反应谱平台值表征了地震动的强度特性，该参数与多种影响因素有关。

Peak platform value of response spectrum denotes the strength characteristic of ground motion , and this parameter relates with a variety of factors .

输入地震动加速度反应谱、速度反应谱和位移反应谱的影响，结果表明加速度反应谱的卓越周期、速度反应谱和位移反应谱的某些特点对土石坝的地震影响很大；

Besides the predominant period of acceleration response spectrum , some characteristics of velocity and displacement spectrum have important influence of the seismic response .

采用理论计算和实际地震记录分析，研究液化土层上的地表地震动特征，讨论液化对地震波波型、加速度反应谱和反应谱特征周期的影响。

In the paper , the feature of surface ground motion on the liquefied sites is presented by theoretical calculation and analysis with earthquake data .

提出一种以绝对加速度反应谱和峰值速度为目标的合成人造地震动时程的方法。

In this paper , a method , which synthesizes the artificial ground motion compatible with the specified peak velocity as well as the target acceleration response spectrum , was proposed .

我国现行建筑抗震设计规范中，通常采用加速度反应谱来计算建筑结构的水平地震作用，结构地震反应的大小主要通过与结构自振周期相关的地震影响系数来体现。

According to the national code , the horizontal earthquake force is calculated by the acceleration response spectrum . The force is closely related to the base vibration period of building structure .