查询词典 seismic

The effect of travelling wave on the planar seismic responses of the long-span arch bridge is considered.

对江界河桥分析了行波效应对面内水平地震反应的影响并进行了横桥向地震反应分析。

The frequency component and amplitude of earthquake will affect the seismic response under uniform and travelling wave input.

地震波的频率成分，幅值大小等都将影响分缝拱坝在常规输入和行波输入下的地震反应。

This new kind of trellis is anti-seismic and longlasting.

现在都采用的是水泥桩形式的架子，这种葡萄架更经久耐用，当然也抗震哈。

Based on the test results and numerical analysis, rigidity degradation rules and hysteretic rules are analyzed. A trilinear hysteretic model considering rigidity degradation is proposed for steel reinforced high strength and high performance concrete frame joints. The proposed restoring force model tallies with the test curves, which can be a good reference for seismic design of SRC structures.

3根据试验所得的滞回曲线和骨架曲线，分析节点的滞回规律及恢复力特性，提出了适合于型钢高强高性能混凝土框架节点的恢复力模型，为节点抗震性能研究和非线性地震反应时程分析提供科学的理论基础。

In the second chapter several new concepts of elasto-plastic fuzzy stiffness and element are proposed. The fuzzy element matrixes corresponding to the elasto-plastic fuzzy element are also established. In order to use the bilinear and trilinear restoring force modles on analysis seismic responses of structures. A fuzzy mathematical method for dealing with the critical points of the restoring force curve is proposed too.

第二章针对结构在地震弹塑性分析中的刚度模糊性，提出了模糊刚度的概念，并进一步对平面和杆系的弹塑性问题提出了弹塑性模糊单元的概念，建立了相应的模糊单元刚度矩阵；为了利用现有的折线恢复力模型，并且更好地反映结构刚度的过渡性，还给出了用模糊数学处理折线恢复力模型刚度折点的方法。

According to a semi-infinite truncated cone model, in Laplace space the approximate analytical solutions of the bottom surface of rigid circular plate and semi-infinite viscoelastic medium are obtained and the calculating model and formulae of seismic forces are presented.

根据半无限截头圆锥模型，在拉氏空间中获得刚性圆板底面与半无限弹性介质相互作用的近似分析解，提出了刚性圆板地震力计算模型及计算公式。

The method can continuously monitor the some activity such as the underground digging and exploring for robbing the tumulus in the objective area by sampling, transmitting, analyzing and identifying the seismic signals.

该方法通过对地下半空间介质内地震信号的采集、传输、处理和识别，实现对目标区域内地下挖掘、爆破盗掘等犯罪活动的实时监控和报警。

Based on structures with a typical configuration but different stories as well as 80 suitable seismic records, the statistical amplifying factors for estimating the elastoplastic displacements of braced and unbraced steel building frames subjected to severe earthquakes have been obtained through a great number of numerical calculations.

本文在合理地选取丰富的地震记录及典型的结构形式的基础上，通过大量计算，统计得出了有支撑和无支撑钢框架结构在罕遇地震下弹塑性位移增大系数，以此提出了抗震设计时进行罕遇地震下多高层建筑钢结构弹塑性位移验算时的实用计算数表。

In this paper, the time history analysis method is used to analyze on seismic response of structure subjected to uniform support ex.

时程分析方法可直接求解结构在地震荷载输入下的反应而被广泛的应用。

2With the increasing of the seismic wave frequency,the dam body response acceleration maximum value gradually decreases, and its characteristic distribution is uniformization.

2随着震波频率增大，坝体中的反应加速度最大值分布呈逐渐递减、均匀化的变化。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。