抗震

An experimental research on 18 specimens of steel reinforced concrete and steel fiber reinforced concrete two-pile and five-pile thick caps of 1∶5 model ratio has been carried out.

随着高层、超高层以及特殊要求建筑的兴建，桩基以其承载力高、能减少地基不均匀沉降和抗震性能好等优点，在工程中得到越来越广泛地应用。

The finite element model of the hybrid spatial structure system is built by the beam elements,truss elements and cable elements,its dynamics characteristics and the influence of some parameters are analyzed thoroughly here by the block Lanczos method,and then the computed re...

选用梁元、杆元和索元的混合有限元模型，采用分块Lanczos法，对凯威特型索承网壳结构的自振特性及其影响因素进行了系统分析研究，并与单层网壳结构进行比较，得出了可用于工程实践的结论，对其抗震、抗风性能分析研究以及工程应用有参考价值。

Based on the variation with the structural and geometric parameters for a real engineering, dynamic characteristics for a cable-supported lattice shell is studied with the block Lanczos method by means of the finite element model combined with beam elements, truss elements and cable elements.

选用梁元、杆元和索元的组合有限元模型，采用分块Lanczos法，针对一实际工程，通过改变结构参数、几何参数等诸多因素，较系统地研究了肋环型索承网壳结构的动力特性及抗震、抗风性能，对工程应用有一定参考价值。

Also, triple-line skeleton curve was obtained, which provide base for analyzing this kind of shear walls.

其次通7片纵横配筋的高强砌块配筋砌体高悬臂剪力墙的恢复力试验，考查了竖向荷载、剪跨比、水平配筋对该种剪力墙破坏形态的影响，以及该种墙片的强度、刚度、延性性能及能量耗散能力，并且与钢筋混凝土剪力墙相比较，得出配筋砌体剪力墙抗剪时与钢筋混凝土剪力墙的破坏形态、延性等相近的结论，由试验得出的骨架三折线，也为今后分析该种墙体的抗震性能提供了依据。

The time-history analysis was also completed for the high-rise building with box transfer storey, the results of the shaking table test were in good agreement with the computational results.

在试验研究的基础上，采用有限元分析程序对原型结构进行抗震分析，理论分析与试验结果吻合较好。

The torsion meter can be used to mock the torsion waves' spreading and destruction, it also can be used to make traditional rocking bed experiment, bouncing bed experiment and three dimension mixed experiment.

扭仪除了可以用来模拟扭波的产生传播和破坏而外，还能用它来作传统的摇床式实验、蹦床式实验和三维混合实验，是一个万能实验仪，可用它来证明各种传统的实验结果均与地震破坏相悖，都不能做为设防抗震的依据。

It has the advantage of small volume while big capacity and good anti-detonation tone quality.

其体积小、容量大、抗震音质好，具有明显的市场优势。

Also the to-and-fro force skeleton model is obtained, which provide base for analyzing seismic behavior of the mould mesh wall.

试验得到的恢复力模型，为该种墙体的抗震时程分析提供了依据。

In order to enlarge applied field of autoclaved aerated concrete block, China engineering building standardization association sent down "A class Autoclaved aerated concrete block and brickwork structure technology rules". The rules point out definitely building autoclaved aerated concrete block tier building can only use A class Autoclaved aerated concrete block.

为了将蒸压加气混凝土砌块推广应用至具有节能、抗震保障的多层承重建筑，扩大应用领域，以求得加气混凝土行业的更大发展，中国工程建设标准化协会砌体结构委员会已下达了，《A类蒸压加气混凝土砌块砌体结构技术规程》，规程将明确指出建造加气混凝土砌块多层房屋只能用A类蒸压加气混凝土砌块。

Key Laboratory of Structural Engineering and Vibration, Ministry of Education, Beijing 100084,China.

准确预测强震作用下结构的弹塑性响应，是实现性能化抗震设计的主要工作和目前所面临的主要困难[1] -[2] 。

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。