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shaking table test

"shaking table test"的翻译和解释

例句与用法

  • The results reveal that hedms can utilize the interaction of different structures to make the linked dampers do their best and gain significant control effectiveness , while the parameters of hedms are properly designed . the shaking table tests are performed on two steel frame model structure linked with hedms
    结果表明,通过选择适当的控制装置工作参数, hedms装置能充分利用体系中各子结构之间的相互作用,高效地发挥履历型阻尼器的耗能能力,取得显著的减震控制效果;两子结构频率对控制效果有较大的影响。
  • Considering the similitude law for shaking table test , we study the test results and obtain some conclusions which are a ) generally , the silty soil in test box liquefies and the liquefied time has relation with the amplitude of acceleration , b ) when the intensity is on and above eight degree , the silty soil deposit will be liquefied dramatically , c ) the relationship of the pore water pressure is relevant to the cycle loading which represents when the cycle loading ranges from little to great , the relationship is represent as a concave curve , or else as a protruding curve and tends to stability . ( 3 ) based on the triaxial compression test and the resonant column test , some studies are made such as a ) the duncan - chang parameters of constitutive model , b ) the dynamic shear modulus ratio and c ) the damping ratio of the site soil deposits . in order to deal with the test data , a computer program is compiled
    ( 2 )利用小型振动台进行了k _ 0固结状态下粉土的振动液化模拟研究,通过分析正弦荷载作用下的试验资料,验证了粉土的孔隙水压力增长模式的合理性;从微分方程推导了基于土体振动台模型试验的相似律,并从模型实体、孔压时程曲线和相似律等方面做出了分析,得出了如下结论:在小型振动台试验中,模型箱中的粉土都发生了液化,液化的时刻和输入加速度幅值有关,而对频率的变化不太敏感;粉土在相当于8 9度地震烈度的加速度幅值作用下可能产生严重的液化;孔压的增长曲线形状与施加的荷载有关:当施加荷载为由小到大的形式时,曲线形状为上凹的曲线;当施加荷载为等幅的正弦荷载或荷载幅值由大到小时,曲线形状为上凸的曲线,且逐渐趋于稳定。
  • In this paper , the author combines the theory analysis with the experiment research method , and discusses the seismic behaviours , 3d elaborate finite element analysis and simplified model analysis of a kind of multi - function tall building - " sub - shearwall supported by frame " , which is applied widely today . the main contents are as follows : in order to observe the failure process and the earthquake response of the complex structure , and to analysis the seismic behaviour of the structural system and structural members , a 1 / 20 cement mortor model of a complex tall - building which is about to be built was producted and the shaking table test of this model under 26 sorts of earthquake loads was made . using sap2000 finite element analysis program , a 3d analysis model was built in computer , and the elastic time - history analysis of the model was done
    本文采用理论分析和试验研究相结合的方法,研究了目前应用较多的综合性大厦? ?框支分区剪力墙高层商住楼的抗震性能及空间精细分析和简化分析方法,主要内容为以下几方面:对一拟建的复杂高层建筑结构,采用1 20比例的空间整体模型,进行了26种工况下的模拟地震振动台试验,观察了结构的破坏过程和地震反应,分析了结构及构件的抗震性能;建立了结构的精细空间模型,利用sap2000n大型有限元分析程序对结构进行了弹性时程分析;通过有限元分析与试验结果的对比,对结构的抗震性能和抗震能力做出综合评价,认为该结构由于转换层上部去掉部分楼板,既可满足建筑设计的通风、采光等要求,又可达到协调结构转换层上、下楼层抗侧刚度的效果,是一种较理想的有多道抗震防线的结构型式。
  • It ' s an ideal structural system and has multi - earthquake resistance ability because of a great deal of slabs removed in floors above the transfer - story amended the lateral stiffness of the stories near the transfer - story . based on the available references , the five - spring line element , the three - spring line element and the multiple vertical - line - element model are introduced to model special column , beam and shear - wall , the relevant stiffness matrixes are deduced and the restoring - force models are gaven to deep into the elasto - plastic seismic characteristics of the structure . acording to the results of shaking table test and elastic finite element analysis , a new making model melhod is presented in which uses the linear and the nonlinear element and the assumption that the floor is infinitely rigid in different areas
    为进一步研究这种复杂高层建筑结构的弹塑性性能,本文在国内外现有研究的基础上,提出利用五弹簧杆元、三弹簧杆元及多竖线单元模型分别模拟空间柱、梁和剪力墙,推导了相应的刚度矩阵并给出了恢复力模型;结合试验研究和精细有限元分析的结论,提出线性和非线性单元相结合,刚性楼板假定和弹性楼板相结合的建模方法,较好地解决了空间结构弹塑性分析中占用计算机资源较多的问题;接力大型有限元分析程序? ? ansys ,在上述建模思路的指导下建立了结构的空间非线性分析模型,进行了空间三维弹塑性时程分析。
  • Based on the shaking table test , finite element analysis is applied to the structure , and the period , acceleration , displacement and torsion of the model under different seismic action are calculated compared test with finite element analysis results , the exactitude and reliability of each other are verified . based on comparison , further finite element analysis of the model is done , chiefly on the seismic reaction of the floor near the transfer floor and the loading of the components
    本文在振动台试验的基础上,对模型结构进行了有限元分析,计算了模型结构的周期和地震作用下的加速度、位移、和扭转等地震反应,将试验结果和有限元分析结果对比,验证了试验和有限元程序的准确性和可靠性,在对比的基础上,对模型结构进行了进一步的有限元分析,着重研究了转换层上下相邻层的地震反应和结构构件的受力情况。
  • In the former , two computing modes of fem are built , aimed at the coupling of variable - profile pylon , curved - axis arch and flexible cable . the software algor feas is used to get the results of dynamic numerical analysis , such as natural vibration frequency , vibration mode , dynamic displacement , dynamic stress , which are compared with the results of shaking table test research to draw to important conclusions . these conclusions provide not only potent basis for the design and construction of nanjing century tower , but also reference for other pylon - cable - arch structures similar to the project
    在动态数值分析中,针对世纪塔变截面的塔身,曲线轴线的拱以及柔性拉索相互耦合时清况,建立两种有限元计算模式,利用有限元软件algorfeas得到动力数值分析的结果,如:自振频率、振型、动位移、动应力等等,再和振动台试验研究成果作比较,得到一些重要的结论,从而为南京世纪塔工程的设计和施工提供强有力的依据,而且为类以于世纪塔工程的其它塔-索-拱结构的设计也提供一定的参考。
  • Based on extensive investigation of construction technique history of chinese ancient buildings , the structure method , structure developing history and seismic behavior of chinese ancient timber structure buildings are analyzed in several respects of the structural system and form . through a series of experiments on constituent parts of chinese ancient timber building structure , including the tests on the corbels and brackets called dougong subjected to low cyclic reversed loadings , the tests on the wooden frame using the tenon - mortise joints as connections of column and beam subjected to low cyclic reversed loadings , the tests on vibration isolation effect of friction and slippage between column footing and their socle base , and a series of shaking table tests on a chinese ancient timber structure palace building mode under artificial earthquake at serving conditions , destroyed conditions and reinforced conditions , many valuable results of structures such as moment - curvature hysteretic loops of dougong structure and tenon - mortise joints under low cyckc reversed loadings , the static function , the seismic performance , energy dissipation , vibration reduction , energy - loss mechanism , nechanicalmode and failure mode were studied . aplenty of valuable parameters of the structure system were obtained , such as the natural period of structure , vibration modes , damping ratio , factor of vibration isolation , oscillate amplitude of ineitial accebration , velocity and displacement , magnitude of slippage , and the mechanism of structure failure and collapse etc . based on these research , the complete analysis of ancient timber structure under earthquake were carried out in which including mechanism analysis method , calculating mode , strength analysis of members and joints , strengthening methods for serving damaged ancient timber structure buildings were also taken into account
    依照宋代《营造法式》建造了抬梁式殿堂木结构构件及结构模型,对中国古代木结构中的典型构造如:柱脚在础石顶面平搁简支、柱架榫卯连接、柱高不越间之广、侧脚、生起、斗拱等的构造机理及结构功能进行了量化分析和实验研究: (一)通过木柱石础静摩擦试验,测定了柱脚与石础古镜面间的摩擦系数及摩擦力随上部结构荷载变化的规律; (二)通过单柱承载力试验,测定了古建筑中木柱的受力变形特征、破坏模式、及模型材料的变形模量、极限承载力、极限变形等参量; (三)通过柱架低周反复荷载试验,测定了柱架的抗侧移刚度、柱架恢复力特性及滞回曲线、榫卯张角刚度及其变化规律、柱架及榫卯的极限承载力和极限变形、及榫卯减振参数; (四)通过斗?低周反复荷载试验和受压试验,测定了古建筑木构件与木构件间摩擦系数,斗?抗侧移刚度,斗?恢复力特性及滞回曲线,斗?抗压极限承载力及受力变形规律; (五)通过抬梁式殿堂间架模型振动台试验,测定了殿堂木构架结构自振周期,地震反应振形、阻尼特性及阻尼比;按结构分层特点对柱脚、柱头和斗?层上的屋盖的地震反应采用多点同步测量,对柱根滑移、榫卯变形、斗?的变形、复位、耗能减振参数等进行了定量分析。
  • Different kinds of seismic excitation are used to investigate the performance of hedms . the shaking table test demonstrated that hedms can distinctly reduce the peak value of the stress , displacement and acceleration of structures . also the contrast between theory and experiment proved that the hedms is a kind of reliable and effect control device
    试验结果表明,只要选择合适的控制装置工作参数, hedms控制装置能有效地削减受控结构的内力反应,降低受控结构的位移和加速度反应,具有较好的控制效果,是一种有较高的可靠性和较好的控制效果的被动控制装置。
  • Combined the shaking table test with finite element calculation of sap2000 , this paper evaluate seismic behavior of the high - rise building of frame - shear wall structure with high transfer floor comprehensively and find the weak position . some conclusions are drawn , which offer scientific basis to seismic design of shenzhen international mayor tower , and give contain reference to similar high transfer structures in seismic design
    本文结合模拟地震振动台试验和sap2000有限元分析,综合评价了高位转换框支剪力墙高层建筑的抗震性能,找出了结构的薄弱部位,得出若干结论,为深圳国际市长大厦结构抗震设计提供了科学依据,对类似的高位转换结构的抗震设计也具有一定的参考意义。
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