抗震

In this paper, the advanced performance-based seismic theory is introduced while story drift ratio and deformation of component are used as performance targets to solve the problems of seismic evaluation and strengthening for existing reinforced concrete structures.

本文通过引入国际上先进的基于性能的结构抗震思想，以结构层间位移和结构构件变形作为性能目标，从定量上解决了既有钢筋混凝土建筑结构的抗震评估与加固问题。

The displacement demand of each member can be considered sufficiently. As a simple and efficient design strategy, it draws increasingly attention of the researchers.

因此基于位移的抗震设计方法被认为是一种简单而有效的设计方法受到抗震界的日益重视。

On the other hand, reticulated domes are very important structures since they often are used to cover a very large area.

因此，单层网壳结构抗震性能的研究对其它复杂空间结构抗震问题的解决具有重要的借鉴意义。

Scholars and engineers of this domain in many countries are being engaged in this field of research and practice.The basic principle of consuming energy is firstly discussed in this paper.

减震是当前结构最重要的抗震方法之一，各国工程抗震专家和学者均积极致力于该技术的研究开发和推广应用。

In order to use structures ability of elastic-plastic deformation to consume the earthquake energy, decrease the reaction in the earthquake, ferroconcrete frame structure should be designed into ductile one.

本文主要阐述了钢筋混凝土框架结构的耗能机理和抗震延性设计的方法，在设计实例中对框架构件的设计采用了新西兰规范和我国规范两种做法，并进行了比较，证明了采用修正的弹性分析方法的延性设计使结构具有更加足够的强度和良好的延性，具有较好的抗震性能。

Second, modal decoupling method for seismic response analysis of ED systems is developed. The computation results show that this method based on forcing decoupling the non-classical damping matrix of ED system has high accuracy. Combined with the aseismic design code being revised, an aseismic design process of ED structures is presented, and two design examples are given.

然后，提出了耗能减振结构地震反应分析的振型分解法，计算表明这种基于非正交阻尼矩阵强行解耦的方法有很高的精度；结合我国正在修订的建筑结构抗震设计规范，提出了滞变型耗能减振体系的抗震设计方法，并通过两个实例说明这种设计方法是可行的。

There is a contrast between seismic design code of different countries because of economic condition and seismic fortification .

由经济条件和抗震设防思想存在差异，各国抗震设计规范中的规定也不尽相同。

When joint stiffness was outside of sensitivity region, the jointed connection can be regarded as hinge or fixed joint, otherwise the stiffness of connection should be considered specially.

对Eurocode8做了简单介绍，并与我国抗震规范进行了一些对比，以一个装配式预制混凝土框架结构为例，比较采用两种规范进行抗震设计的差异。

According to displacement overrun failure criterion and structure instability failure criterion, integral seismic capacity of structures is obtained. Verification of the optimal structure from pushover analysis can be performed by comparing each structure\'s integral seismic capacity.

本文分析结果表明：增大巨型梁高更能有效地进步结构抗震能力；部分采用防屈曲支撑改变了巨型钢框架的失效模式，不仅进步了结构弹性极限能力，而且使得抗震性能得到明显的改善。

To study their earthquake-resistant behaviour further, we had put forth a new method of computer system analysis and developed a program for dynamical analysis of multistory and highrise structure.

为了进一步论证自控框架的抗震性能，本文提出了框架结构抗震分析的计算机系统分析方法，并据此编制了多高层框架结构的动力分析程序。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。