查询词典 bearing beam

According to the scheme in chapter 3, experimental investigations are conducted on the single-axis air-bearing test bed. The effects of both rotating speed and air damping on the vibration frequencies of the beam are discussed. The phenomenon of dynamic stiffening is verified by the results of experiment.

最后我们还按照第三章中设计好的实验方案来对非惯性系下的结构动力学问题进行了实验研究，从实验的角度验证了本文一次近似模型在处理这类非惯性系下的结构动力学问题的正确性和有效性，说明了传统零次近似模型对某些高速旋转梁的数值仿真存在严重的偏差。

Furthermore, the dynamics of cantilever beam with large deflection is studied by using the single-axis air-bearing test bed.

最后，讨论了本文一次近似耦合模型在处理梁的大挠度变形问题上的可行性。

This indicates level counterforce of fixed rocker bar bearing has little influence on the beam strength.

表明固定铰链支座水平反力对梁强度的影响很小。

An alternative system for multi-storey flats and similar large buildings is to erect a framework of load-bearing precast reinforced concrete horizontal perimeter beam units and vertical mullion units.

对于多层公寓或类似的大型建筑来说，另一种选择就是建造一个承重的水平圈梁和竖框预制钢筋混凝土构件框架。

Oversize main tubes and increased beam allow for greater load bearing and stability.

特大型的主气舱和加长的横梁的船还可以携带更多的重量，保持更稳定的姿态。

The results show that the seismic response of curved beam bridge and the influence of curvature radius can be reduced by using lead rubber bearing.

结果表明：铅芯橡胶支座不仅可以有效地降低曲线梁桥的地震响应，还有助于减少曲率半径对曲线梁桥地震响应的影响。

Based on the previous research achievements in this field, structure nonlinear theory about inelastic beam-column element, sliding bearing element and contact element, are studied in this dissertation. As a result, finite element models suitable for large scale structure are intruduced and a program for seismic analysis of bridge system is developed on the basis of DRAIN-3DX program.

本文在前人研究的基础上，对桥梁抗震非线性分析理论中的弹塑性梁单元、滑动支座、接触问题等几个方面做了进一步的研究工作，建立了适合于大型结构分析的有限单元模型，并在DRAIN-3DX的基础上，开发了计算机抗震分析辅助程序。

Analysis of the test results indicates:having been prestressed,the walling with ring beam and tie column not only can increase own anti cracking degree and load bearing ability to some great extent,but also improve evidently own behavior of deformation,ductility and energy consumption.

从我国的国情出发，今后砌体结构仍将是一种应用相当广泛的结构形式。但历次地震的震害表明，这类房屋的抗剪能力和抗变形能力较差，其破坏严重。鉴于此，国内外许多单位通过研究与实践，提出了一些有关改善砌体结构抗震性能的措施[1～ 3] 。

Bearing warp beam foot,can assure the volume of let-off equality.

轴承式经轴托脚，保证送经量的均匀。

The main research contents are as follows:1. Through massive calculation, analysis and comparison, sum up the similarities and differences between the special-shaped cross sections and rectangular cross sections in mechanical features, between reinforced concrete special-shaped columns and rectangular columns in load-bearing capacity, ductility performance and provide necessary basic concepts and data for further understanding the characteristics of the special-shaped columns;2. Through massive elastic calculations and elasto-plastic analysis, under the preconditions of satisfying the code's requirements for axial compression ratio, limit value of lateral displacement and load-bearing capacity of normal section,oblique section and beam-column joint, under circumstances of different intensity of earthquake, structure dead weight, sort of site and column grid bay dimension, the variation regularity of maximum suitable height of structure, and thus sum up the maximum suitable height of structure for code for the purpose of macro-control while deciding the design scheme;3. Make a preliminary study on the stress feature of reinforced concrete special-shaped column and Z-shaped column of which the ratio of limb length to limb thickness is between 4~5 ,and the preliminary design method is suggested;4. Through elato-plastic time history dynamic analysis of typical projects, check up the weak storey of the special-shaped column structure and yielding, breaking and collapse mechanism to satisfy the earthquake resistant requirement to buildings of remaining stand under strong earthquake;5. Derive for project use simplified calculation formula of vibration period, suitable vibration period, suitable rigidity of special-shaped column structure through theoretical analysis, and provide an easy and practical method for deciding the structure scheme economically, safely and reasonably;6. Based on the study achievements in theory and massive analysis and calculations of this paper, sum up the regularities of inner force, deformation of special-shaped column structure and seismic conceptual design, and thus the suggection of seismic design of special-shaped column structures is presented.

本文研究的主要内容如下：通过大量的计算、分析和对比，总结出异形截面与矩形截面在力学特性、钢筋混凝土异形截面柱与矩形截面柱在承载能力、延性性能等方面的异同，为深入了解异形截面柱的特点提供必要的基本概念和数据；通过大量的弹性及弹塑性计算分析，在满足规程对轴压比、侧移限值及正截面、斜截面、节点承载力抗震验算要求的前提下，在不同抗震设防烈度、结构自重、场地类别及柱网开间尺寸情况下最大适宜高度的变化规律，并在此基础上总结归纳出异形柱结构的最大适用高度规定，可用于规程，以便于在确定方案时起到宏观控制的作用；对肢长与肢厚比在4～5的钢筋混凝土异形截面柱及Z形柱的受力特点进行初步探讨，提出初步的设计方法；通过对典型工程的弹塑性动力时程分析，检验异形柱结构的薄弱层及屈服、破坏、倒塌机制，以达到建筑物大震不倒的抗震设防要求；通过理论分析，推导出异形柱结构自振周期，以及适宜自振周期、适宜刚度的工程实用简化计算公式，为经济、安全、合理地确定结构方案提供简便实用的方法；在本文理论分析、计算以及大量的研究成果基础上，总结归纳出异形柱结构内力、变形的规律及抗震概念设计内容，并在此基础上提出异形柱结构的抗震设计建议。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。