抗震的

One is research on choice and optimization of clapboard material s of split columns, the other is research on technique of construction of split columns.

从两个方面对改善短柱特别是超短柱抗震性能的分体柱技术进行了进一步的试验研究，一是分体柱的隔板材料选择和优化的试验研究，二是分体柱施工工艺的试验研究。

It is concluded by the comparison of the Power Spectrum Density Function estimated from design spectra that the spectral energies do not distribute uniformly within the frequency of engineering interest in Chinese codes. The remarkable spectral energies concentrate in the range of low and high frequency.

由各规范设计谱估计的功率谱密度函数的比较说明，我国某些抗震设计规范设计谱给出的设计地震动在工程感兴趣的频率范围内可能存在能量分布不均的问题，低频分量和高频分量与中等频率段相比相对显著。

The computational formula on pressure increment in bottomholes affected by drilling speed is deduced as well.

首先利用在钻井过程中随钻测量起钻后地面回旋的方法，自行研制开发出能够抗180℃高温，具有抗震功能的测量仪器；其次，在原有模型基础上，利用实例数据进行分析，考虑固相和多相流加速度压降的影响，研制开发了流钻欠平衡钻井环空多相流井底压力的计算模型，并推导出机械钻速影响井底压力增量的计算公式；最后，为验证模型精度，开发了钻井监测与分析计算软件，软件计算结果与实测数据叶比，误差小于3%。

The objective of performance-based seismic design is to control structural damage, economic loss and casualties under designable extent, moreover, to maintain the buildings functional after earthquake.

基于性能的抗震设计的目的是将所设计的结构在指定强度地震下的破损状态及其造成的经济损失、人员伤亡等控制在预期的目标范围内，使结构震后的功能得以延续、维持。

The paper introduces some researches, such as a new method to calculate the added mass for the seismic analysis of the fuel assembly in fast breeder reactor, simulation on the vortex shedding of double heat exchange tubes in a steam generator, simulation on the vortex shedding caused by the cross -flow over plates in a fuel assembly of an advanced reactor, the research on the impacting phenomenon of the free-surface on the vessel head in a storage tank as the main vessel of the China Experimental Fast Reactor shaken by the earthquake, and the researches on the solution of the liquid sloshing by moving particle semi-implicit and the scattering phenomenon caused by sloshing, and so on.

本文介绍华北电力大学在该方面的一些研究进展，例如，快堆燃料组件抗震分析新的流体附加质量计算方法研究；蒸汽发生器换热管双管漩涡脱落的数值模拟；一个先进堆燃料组件平行板上流动引起的漩涡脱落数值模拟；由地震引起的自由表面对快堆主容器冲击现象的研究；移动粒子法求解液面晃动及晃动引起离散现象的研究等。

The test results also indicate that separating RC ultra short column into separated columns (shear span to depth ratio higher than 2) by gapping longitudinally at the middle of ultra short column can improve the ductility and deformation capacity of the columns effectively.

不设剪力连接件的SRC超短柱的破坏模式为黏结破坏，与RC超短柱相比，其抗剪承载力和变形能力并无明显提高；设置剪力连接件的SRC超短柱的破坏模式为斜压破坏，其抗剪承载力和变形能力显著提高，但构件的变形能力仍然难以满足现行抗震规范要求。

It is presented concisely the aftermath of earthquakes,seismic behavior in laboratories and relevant code provisions of bracings and gusset plates in the braced frame system,and conception and method for seismic design of gusset plates for ductile performance.

介绍钢结构铰接框架-支撑体系中支撑和节点板的震害、实验室的抗震性能研究、有关规范的规定和具有延性性能的支撑和节点板的设计概念及方法。

According to the need of the subject"Study on Saving Energy in House Buildings with Concrete Blocks"conveyed by Science and Technology Committee of Liaoning Province and the feasibility of constructing high-rise block buildings in the area of eight of earthquake intensity, an experimental study on the mechanical properties of the high-strength masonry panels with concrete small-size hollow blocks has been finished, and both the dynamic characteristics and the seismic behaviors of elastic and plastic state of long cantilever reinforced block shear walls have been analyzed by finite element method in this paper.

中文题名高强混凝土砌块砌体基本力学性能的试验研究及其动力分析副题名外文题名 Experimental study on mechanical properties of masonry walls with high-strength small-size concrete hollow blocks and dynamic analysis 论文作者祝英杰导师刘之洋教授学科专业结构工程研究领域\研究方向学位级别博士学位授予单位东北大学学位授予日期2001 论文页码总数158页关键词混凝土结构砌块砌体剪力墙空心砌块配筋砌块馆藏号BSLW /2003 /TU375 /1 根据辽宁省科委项目"混凝土承重砌块节能住宅体系研究"的要求以及在八度抗震设防地区建高层砌块建筑的可行性，本文对高强混凝土小型砌块砌体的力学性能进行了试验研究；利用有限元法对长悬臂配筋砌块剪力墙的动力特性和弹塑性地震反应进行了分析。

It is not always safe to ignore the effect of the infill walls, so it is necessary to take the effect of the infill walls on the frames into account when doing the seismic design of the frames.

而且忽略填充墙对框架结构的影响并不总是安全的，因此，在框架的抗震设计中，考虑填充墙对结构的影响是非常必要的。

A candidate for Liapunov function is found out based on the theory of energy.

基于Liapunov第二法，从系统的能量角度出发进行稳定性分析，找到控制系统的Liapunov函数，本着工程抗震设计中安全与经济的原则，应用允许结构反应进入非线性或塑性阶段的理论，判定所提出的混合控制方法具有Liapunov意义下的稳定

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。