振动台试验

• Finally , the vibrating table test and the relevant finite element analysis about steel frame model , whose weak layers are equipped with edd - bracing system , are performed in this paper
  本文最后进行了框架薄弱层设置耗能阻尼器支撑的地震模拟振动台试验和针对振动台试验的有限元分析。
• Principal similarity coefficients of the test model are calculated to sufficient for similarity requirement of resisting to lateral stiffness . the steel truss was made of red copper in the model
  模拟地震振动台试验中，模型设计按主要满足抗侧刚度相似要求确定相似关系，模型制作采用紫铜代替钢完成钢桁架的制作。
• The level first frequency variety regularity following the pre - stressing cable value is achieved through white noise sweep checking . the conclusion that model is in elastic work stage is achieved
  对结构模型进行了振动台试验,采用白噪声对结构模型进行扫频分析,得出结构水平第一振型对应频率随拉索预应力值的变化规律。
• Based on the difference of maximum modulus evolution between signals and random noises in multi - scale space of wt , the signals from shaking table test are processed for random noise reduction
  摘要本文利用小波变换下有效信号有随机噪声在多尺度空间中模极大值不同的传播特性，对地震模拟振动台试验测试信号进行去噪处理，取得良好效果。
• Based on the current structure design codes , a one tenth scaled 2 bays , 3 - stories model of concrete filled steel tube ( cfst ) column frame structure is designed and manufactured , and tested on the shaking table
  摘要基于现行结构设计规范，设计制作了一榀1 / 10比例的单跨、两开间八层钢管混凝土柱钢梁框架结构模型，对其进行了模拟地震振动台试验。
• However , b ecause t he d isplacement o f v ibration t able u sed i n t he t est i s 1 imited t o 4cm , the results of the testing could prove only partially the damping effect for ground motions with significant short - period contents
  由于振动台振动位移的限制，振动台试验仅能进行短周期成分丰富的地震动试验，不能全面地评价断路器的抗震性能和铅合金减震器的减震效果。
• Three seismic waves are selected to do the shaking table test in 51 operating modes . the acceleration displacement responses and strain of the model are measured and the appearance and development of the crack are observed
  选定三条地震波，对该模型进行了51种工况下的模拟地震振动台试验，测定了模型结构的加速度、位移反应、重点部位的应变，观察了裂缝出现和发展情况。
• The experimental system on seismic simulator was set up and whose control roftware were developed . analyzing automatically data method was advanced and its roftware was designed . the methodology of the collecting responses of structure was obtained was proposed
  建立了振动台试验系统，开发了试验控制软件，提出了“自动数据分解法”及其软件实现，确定了试验结构模型反应的获取方法。
• In addition to prove the correctness of those optimal parameters , a large - scale shaking table model testing with tmd seismic decrease equipment is conducted . through the testing a conclusion can be achieved that those parameters we putted are right by analyzing the testing results
  对所提出的优化的tmd减震装置参数进行了一个大比例模型的模拟地震振动台试验研究，通过对试验结果的分析验证了理论的正确性。
• Through shaking table test , in this paper the rule of the underground structure reaction to earthquake is summarized and the distortion of the structure and the mechanism of wreck are analyzed , especially the effect of overburden and the vertical earthquake to underground structure are studied
  摘要文章通过振动台试验，总结了地下结构地震反应规律，分析地下结构的变形机制，并重点分析上覆土层和竖向荷载对地下结构动力性态的影响。