地震系数
- 网络seismic coefficient
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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;
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 .
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土坝等价地震系数和水平剪应力最大幅值的简化计算
A Simplified Method for Evaluating Equivalent Seismic Coefficient and Max. Amplitude of Horizontal Shear Stress in Earth Dams during Earthquakes
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水平地震系数的概率特性估计及应用
The probabilistic evaluation of the horizontal earthquake coefficient and its application
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分析中还引入地震系数,用以研究地震条件下的土坡稳定。
Earthquake coefficients are introduced in order to investigate slope stability under seismic conditions .
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分析结果表明,地震系数对土压力强度分布有很大影响。
It is demonstrated that the earthquake coefficient has influence on the distribution of earth pressures .
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分析结果表明,由于孔压的累积,屈服地震系数将随时间而减小,并且明显地受到有效粘聚力、初始孔压比等参数的影响。
The analytical results indicate that the yield seismic coefficient , which decreases with time , is strongly affected by some soil parameters , i.e. the effective cohesion and initial pore pressure ratio .
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对周期确定较难的设备,通过静力地震系数法,确定地震作用,以求设备与建(构)筑物处于同等安全度。
If the equipment vibration period is hard to get , we could use the static force seismic coefficient theory to define the seismic effect to ensure the equal safety of the equipment and building .
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给出了K8型单层球面网壳地震内力系数的建议取值;
The suggested values of the earthquake action coefficient of K8 reticulated domes are given .
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确定岩质边坡地震安全系数的新方法
New method for determining the seismic safety factor of a rock slope
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变刚度半主动控制结构的地震影响系数分析
Analysis of Seismic Influence Coefficient of Structures with Active Variable Stiffness Systems
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唐山市地震影响系数分布研究
Investigation of Earthquake Influence Coefficient Distributed in Tangshan City Based on ANN
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基岩条件对地震影响系数的影响
Influence of base rock condition on earthquake affecting coefficient
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隔震结构不同阻尼比地震影响系数曲线的改进研究
Research on seismic influence coefficient of seismic isolated structure with different damping ratio
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多层砖房抗裂抗倒设计地震荷载系数的统计分析
Statistical analysis of design load coefficient for multi-story brick buildings against seismic cracking and collapsing
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地震内力系数法是一种适用于空间网格结构的简洁有效的抗震设计方法,但应用于单层网壳结构时需要改进。
Seismic force coefficient method should be improved when it is used for sing-layer space frames .
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提出了由于相差的影响,楔体不同部位的地震力系数有差别的观点。
Because of the phase shift , the earthquake coefficient varies in different parts of wedge .
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在大量统计分析的基础上,归纳出可供实际工程设计参考的地震内力系数建议取值。
Based on the analysis result , practical seismic force coefficients for single-layer latticed cylindrical shells are proposed .
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随地震加速度系数的增加,地震被动土压力系数变化越明显。
The variation of seismic passive pressure coefficients increases with the increase of the magnitude of the earthquake acceleration .
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提出了典型场地中剪切模量比相对变化与地震影响系数和特征周期变化间的定量关系,同时给出了典型场地中剪切模量非线性变化与剪切波速变化间的对等关系。
The quantitative relation between relative change of shear modular ratio and characteristics period is proposed for typical sites .
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在反射系数白噪、子波最小相位的假设下,研究基于线性反演的地震反射系数和子波同时估计问题。
Assuming white noise reflectivity and minimum phase wavelet , the estimation of them simultaneously by linear inversion algorithm is studied .
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如何分析基岩条件对地震影响系数的影响是地震安全评价的关键工作之一。
Therefore , the analysis of influence of base rock condition on earthquake affecting coefficient is necessary for earthquake security evaluation .
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并利用原规范给出的地震影响系数曲线推出等效单自由度弹性体系反应谱,确定地震弹塑性位移需求公式。
Based on the equivalent elastic system and displacement spectrum with different damping coefficient , the demand of inelastic displacement under earthquake is determined .
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文中还分析了杆件水平地震内力系数的分布规律,得出了一些有意义的结论。
The dispersing regularity of internal force coefficients of members in space frame under horizontal earthquake was analyzed and some useful conclusion was discussed .
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最后,根据反应的结果提出不同类型场地的各设防水准的地震影响系数。
Finally , earthquake force based on maximum site acceleration and response spectrum to different design criterion for different type of site was determined .
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对两种不同控制律下变刚度半主动控制结构的地震影响系数进行了比较和分析。
Seismic influence coefficients of structures with active variable stiffness ( AVS ) systems , corresponding to two different control laws , are compared and analyzed .
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此外,随着振型附加刚度比的增加,地震影响系数比的均值和标准差呈现逐渐增大的趋势。
With an increase in the modal additional stiffness ratio , the mean value and the standard deviation of the seismic influence coefficient ratio tend to increase .
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得到在水平波和竖向波入射下不同坡高和坡角的坡地上各点的最大谱比(地震影响系数最大值)的回归公式。
Regression formulas for max β spectral ratio can be also achieved for slope land with different slope height and slope angle in horizontal and vertical incident waves .
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在大坝稳定性数值分析方法的一般公式中,天然地震影响系数的确定,关系到大坝安全评价的可靠性。
In the general formula of numerical analysis method for dam stability , the reliability of safety evaluate for dam depends on the determination of natural earthquake influence coefficient .
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本文提出了轻钢增层结构的实模态强振型解耦法,并对现行规范的地震影响系数提出了修订意见。
A real mode-decoupling method for the structure with raised light-gauge steel storeys and a revision for influence coefficient in the seismic code for buildings in China are presented .
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地震反射系数具有稀疏特性,同时反射系数往往不是高斯分布的,边界保持块约束的思想正是基于此,通过目标函数里加入一势函数来实现。
With sparse feature of seismic reflection coefficient , while the reflection coefficient is often not the Gaussian distribution , respectively , the idea of edge preserving blocky constrains was formed .