联合国在减少地震造成的损害方面发挥了重要作用。
The United Nations has played an important part in reducing the damage done by earthquakes.
然而,关于地震之间微妙的相互作用的最新证据可能颠覆这一假设。
Latest evidence of subtle interactions between earthquakes may subvert this assumption, however.
然而,最近有关地震之间微妙的相互作用的证据可能会推翻这一假设。
Recent evidence of subtle interactions between earthquakes may overturn this assumption, however.
近年来,随高层、高耸建筑的不断兴起,风荷载成为与地震作用同样重要的结构设计的主要荷载。
Recent years, with the development of tall (high-rise) building, wind loads, the same important as earthquake effect, becomes the main loads of structural design.
基于概率方法建立了高柔结构顺风向抗风设计中,考虑地震作用组合的总水平荷载的计算模型并进行了求解。
A model on the earthquake effect combination in wind resistant design of high-rise flexible structures is proposed in accordance with the probability method.
抗地震作用的核电站的设计。测震仪。安全技术要求。
Design of nuclear plant against seismic effects; seismic instrumentation, safety requirements.
再按刚度分配原则,可求出实际结构不形成机构体系可能承受的最大水平地震作用。
The maximum bearing horizontal seismic actions of a structure that mechanism system is not formed are calculated based on principle of stiffness distribution for a structure.
且考虑了屋面活载不均匀效应、雪压堆积效应和水平地震作用的影响,荷载组合复杂。
The load combination is complex with consideration of the effect of asymmetry distribution of live load, snow accumulation and horizontal seismic load.
应用虚拟激励法与伽辽金法相结合,分析弹性圆拱在非平稳水平随机地震作用下的随机响应问题。
The nonstationary random response of elastic circular arch under horizontal seismic excitation was studied by the method combining the pseudo-excitation algorithm with Galerkin algorithm.
地震作用是造成砖混结构破坏的直接原因。
The earthquake function is the direct reason to result in the damage to brick-concrete structure.
对框架结构体系遭受地震作用时的可靠度进行分析,计算出它的可靠性向量,并与传统的可靠度分析法作比较。
Analyzing degree of reliability when frame structure suffer earthquake effect, we can figure out its reliability vector and compare with traditional degree of reliability analytical method.
地震作用下桩基码头很容易破坏。
Under the earthquake, the pile wharf is very easy to destroy.
本文通过对不同规范的计算方法进行对比分析,从而确定了该工程合理的地震作用和基本风压的取值。
In this paper calculating methods in different standards have been compared to confirm the reasonable value of earthquake action and wind reference pressure in this project.
结构的地震作用取值与结构的延性和超强有关,结构的延性和超强可用结构影响系数来反映。
The structural earthquake action value is correlated with the structural overstrength, structural ductility and overstrength can be reflected by the structural influencing coefficient.
通过有限元算例的分析,可以看到在地震作用下建筑物的受力状态和变形情况有所明显改善。
Through the analysis of finite element example, we can see that the stress and deformation situation of buildings has improved significantly under the action of earthquake.
建筑结构在进行地震作用计算时,确定所需计入的振型数是必不可少的。
It is necessary to decide the reasonable mode number when we analyze earthquake action in construction design.
滑动摩擦隔震是结构抵御地震作用的一种重要的被动控制措施,具有广阔的工程应用前景。
Sliding isolation is an important passive control measure to defend against earthquake action, thus it possesses very broad prospect in engineering practice.
计算了平面串并联多质点系结构在竖向地震作用下的竖向刚度矩阵。
This article calculated the vertical stiffness matrix of plane frame structures subjected to vertical earthquake action.
最后,通过算例验证了软件的正确性,并给出了巷道受地震作用的实例。
Finally, the software is validated through the example and a dynamic response instance of the laneway under the seismic load is given out.
采用时程分析法分析了该组合结构在多遇地震作用下的弹性地震响应和在罕遇地震作用下的弹塑性位移响应。
The elastic response of structure under frequent seismic actions and the elastoplastic response under infrequent seismic actions are calculated by the method of time-history.
根据结构特征、构件的部位和重要程度以及开发商的需求,针对不同设防水准的地震作用,制订了一系列抗震性能目标。
Depending on structural features, importance of occupancy and needs of developers, seismic performance objectives were reasonably selected corresponding to the seismic levels.
工程算例表明,阻尼器可以有效地控制结构在地震作用下的扭转变形。
Example of engineering calculation shows that the damper can control effectively the torsional deformation of the structure under earthquake action.
过去常用平面框架计算模型来计算这类结构的地震作用。
Usually planar frame models were used for the calculation of seismic effects on such structures.
软弱地基上的重力式桥墩,在强烈地震作用下,有可能会发生桥墩基础提离现象。
The gravity bridge pier built on weak ground base may be lifted off the base during strong earthquake event.
提出铁路桥墩在地震作用下损伤评估的实验方法并作了讨论。
An experimental method for damage assessment of railway bridge piers under earthquake is presented and discussed.
本文在考察门式刚架轻型房屋钢结构特点的基础上,分析了其在地震作用下的反应。
Based on the characteristics of portal frame light steel structure, the responses of this building under earthquake are analyzed.
通过数值模拟的方法研究边坡在地震作用下的共振特点。
By utilizing numerical simulation method, the resonance characteristics of slope in earthquake are studied.
提出铁路桥墩在地震作用下损伤评估的实验方法并作了讨论。
An experimental method of damage assessment of railway bridge piers under earthquake is presented and discussed.
本文提出了地震作用下列车正常行驶极限状态的概念,研究与之相应的最优可靠度问题。
In this paper, the conception of train-running limit state under earthquake is proposed, and the corresponding optimum reliability is studied.
本文提出了地震作用下列车正常行驶极限状态的概念,研究与之相应的最优可靠度问题。
In this paper, the conception of train-running limit state under earthquake is proposed, and the corresponding optimum reliability is studied.
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