Chinese translation for "vibration period"
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- 振动周期
Related Translations:
- Example Sentences:
| 1. | A vibration period tends to decrease or remain constant as energy is lost, as is the case for a pendulum . 在损失能量时,振动周期倾向于减小或保持不变,如同单摆那样。 | | 2. | The effect of opening and closing of joints will weaken the integral stiffness of arch dams , prolong their vibration periods and remarkably readjusting of stresses 横缝张合效应将削弱大坝的整体刚度、延长其振动周期、引起显著的应力重分配。 | | 3. | The analytical results show that : the vibration period of the truss is short , and the stiffness is between the equivalent frame and shear wall structure stiffness 分析结果表明,该结构体系的振动周期较小,结构整体刚度较大,介于相同条件的框架和剪力墙之间。 | | 4. | A new kind of physics experimental instrument of forced vibration and resonance is introduced , conducting research of the relationship between vibration period and to arms of prong 摘要介绍了新型音叉受迫振动与共振实验仪。通过音叉双臂与振动周期关系的研究,可以深入理解振动式液体密度传感器的原理及其应用。 | | 5. | Shear wall will bear mostly part of horizontal force . in this case , it can satisfy the limitation of displacement , and can be insure that the bottom shear force , natural vibration period of structure and the displacement curve can be novel . furthermore , it can supply good base for proceeding design 在合理的布置下,剪力墙承担大部分水平力,使结构满足侧移限值,并使结构的底部剪力,自振周期及侧移曲线不发生异常,并为以后的工作打下良好的基础。 | | 6. | Under the horizontal earthquake action and wind force , aim at " the pure frame structure with rectangle columns " , " the pure frame structure with special - shaped columns " , " the frame - truss structure with special - shaped columns " and " frame - shear wall structure with special - shaped columns " , earthquake action analysis was done by the spacial finite element method through the changes structural parameter . analyzing systematically " structure vibration mode " , " vibration period " , " structure lateral rigidity " , " seismic action force " , " seismic response force " , " floor seismic shear force " , " lateral horizontal displacement of structure " and " members internal force " . results indicate : ( 1 ) based on equal area , the special - shaped columns replaced the rectangle columns , the structural lateral rigidity enlarges , the lateral displacement minishes obviously , the earthquake response increase slightly , the biggest increasing amount of frame columns axis - compress ratio is smaller than 0 . 08 . the whole aseismic performance of structure has improved ; ( 2 ) when the section ' s length and section ' s thickness ratio of special - shaped columns is smaller than 3 . 6 , the structure benefits to resist seismic action ; ( 3 ) the angle of horizontal seismic action with the whole coordinate is 0 degree , structure earthquake response is bigger , belonging to a control factor of structure aseismic design ; ( 4 ) the frame - truss structure with special - shaped columns and the " a " - brace has the biggest lateral rigidity ; ( 5 ) the frame - shear wall structure with special - shaped columns have bigger lateral rigidity and smaller displacement , members internal force enlarged just rightly , have much superiority of resisting seismic action ; ( 6 ) in the higher seismic fortification criterion region ( 8 degree of seismic fortification intensity ) , aseismic disadvantageous building site ( iii type site ) , adopting special - shaped columns structure system , should reduce possibly the building ' s self - weight in order to reduce the earthquake response ; ( 7 ) the response spectrum method of computing seismic response and the time - history analysis method have similar analysis result 西安理工大学硕士学位论文在水平地震作用下,并考虑风荷载组合,分别对“矩形柱纯框架结构” 、 “异型柱纯框架结构” 、 “异型柱框一析架结构”及“异型柱框-剪结构”等四种结构体系,通过改变结构参数,运用空间有限元方法,进行地震作用计算。系统地分析研究“结构振型” 、 “振动周期” 、 “结构侧向刚度” 、 “结构地震反应力” 、 “楼层地震剪力” 、 “结构侧向位移” 、 “层间位移角” ,以及“构件内力” 。结果表明:在等面积原则下,异型柱代换矩形柱后,结构刚度增大,侧向位移明显减小,地震反应力略有增加,框架柱轴压比最大增幅小于8 % ,结构整体抗震性能有所提高;当异型柱肢长肢厚比小于等于3 . 6时,结构有利于抗震;水平地震作用力与整体坐标夹角为0度时,结构地震作用效应较大,属结构设计的控制因素之一;异型柱框一析架结构采用“人”字斜撑,侧向刚度大于“八”字斜撑和“人一八”字混合斜撑;异型柱框一剪结构侧向刚度大、位移小,构件内力增大适中,是一种抗震性能优越的结构体系:在抗震设防烈度较高地区( 8度)和抗震不利的建筑场地( m类场地) ,采用异型柱结构体系时,应尽可能减轻结构自重,降低地震作用力;分别采用“振型分解反应谱”法和“时程分析”法进行地震作用计算,两种方法所得结果基本一致。 | | 7. | Secondly , to analyze seismic response of the concrete gravity dam , subspace iterative method was applied to compute free vibration period of the dam , time integration method was built up for the seismic time history analysis and formulation of coupled vibration of reservoir water and dam were also deduced 其次,针对混凝土重力坝的地震响应分析问题,采用子空间迭代法计算了大坝的自振周期,建立了地震时程分析的逐步积分方法,并且推导了库水和坝体耦合振动的理论公式。 | | 8. | The study indicates that the base - isolated structure has reduced the horizontal stiffness and enlarges the self - vibration period . thus , makes its frequency far away from occur with the place earthquaking . therefore , these will reduce the horizontal earthquake effect 理论分析研究表明:基础隔震结构由于在房屋的基础顶面设置柔性的橡胶垫,从而降低了隔震结构的水平刚度,增大了结构的自振周期,使其远离与场地发生共振的频率段,因此也就降低了结构的水平地震作用。 | | 9. | On the model of the optimum design , it ' s proceed modal of fea ; with the superior design , structural vibration period is studied for providing the theories calculation of construction engineering ; calculating many load cases , some parameters are given and provide the beneficial datum for actual engineering . the research in task evinces the construction cost can be reduced by optimize design and has good dynamic characteristic . optimum technology has a better project applying value in structural design 并在优化设计模型的基础上,对其进行模态有限元分析;研究其在最优设计条件下,结构自振特性问题,为工程结构的动力分析提供理论计算依据;同时对刚架进行多工况荷载组合抗震计算,得出地震作用参与荷载工况组合时,各设计参数间的关系并得出结论,为实际工程设计提供有益的参考资料。 | | 10. | The stiff floor structure has bigger displacement and smaller internal forces . under seismic forces , frame with eiastic fioor has bigger vibration period , and takes on complicated modes of vibration . due to the big vertical rotation , structure with elastic floor shows more prominently coupling vibration of bending rotating and twisting 如,弹性楼板的结构位移比刚性楼板结构的位移大,内力也是弹性楼板结构的大;在地震力作用下,考虑弹性楼板变形的空间框架振动周期比刚性楼板框架长,而且其振型表现得也比较复杂,由于竖向扭转位移较大,弹性楼板结构表现出更明显的弯扭耦联振动。 |
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