抗震能力

• Seismic response regularities of the structure revealed through the finite element analysis . a sequence of generating hinges is studies by push - over analysis , as well as base shear . further the structural seismic performance is evaluated clearly by capacity spectrum method
  静力弹塑性分析( push - over )揭示了结构产生塑性铰顺序以及结构承受基底剪力的规律,能力谱法进一步明确地评估了结构的抗震能力。
• The reinforcing - bar is coupled with the electric welded screw behind the face plate to make it become a strong whole , strengthening greatly the rigidity and strength of single aluminum plate curtain wall , guaranteeing the flatness and anti - wind and aseismatic ability in the employment for a long period
  加强筋与板面后的电焊螺钉联接，使之成为一个牢固的整体，极大增强了铝单板幕墙的强度与刚性，保证了长期使用中的平整度及抗风抗震能力。
• Earthquake is the most serious paroxysmal natural disaster for people . it ' s urgent to take economical and effective measurement in improving the aseismatic capability of building which have been built or will be built , especially for our country , a ldc where earthquake is frequent
  地震是人类所面临的最严重的突发性自然灾害，我国作为一个地震多发的经济不发达国家，采取经济、有效的措施提高已建和拟建建筑的抗震能力是亟待解决的问题。
• Lots of investigations on bridge vibration resistance show that the analysis of cable - stayed bridge acts importantly on it ' s ability . as longer span of cable - stayed bridge , nonlinear earthquake analysis is another importanter problem for vibration resistance design
  为抗震进行的大量研究表明，斜拉桥的线性抗震分析对提高斜拉桥的抗震能力起到了重要作用，随着斜拉桥跨度的加大，其几何非线性地震响应也是斜拉梁抗震设计中必须考虑的一个重要课题。
• Based on the analysis of the experiment results , it is regarded that the seismic behavior of the truss src columns is higher than those of rc columns . the steel requirements , the crosswise rod dimension and the welding quantity are the main factor , which influence on the truss type src columns
  通过对试验结果的分析，认为配置角钢桁架式空腹钢骨的钢骨混凝土柱的抗震能力明显高于钢筋混凝土柱，配钢率和斜腹杆的大小与焊接质量是影响桁架式空腹钢骨的钢骨混凝土柱的主要因素。
• 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。
• 3 . through experimental and theoretic analysis it proved that it has more prominent effects in improving bearing capacity , the structure integer deformation and energy dissipating with concealed bracings in the two wall slabs than only with across inclined reinforcements in the lintel beams . and the key point of the rc coupled shear wall with concealed bracings is that concealed bracings can control the failure mechanism of the shear wall rationally
  通过试验和理论分析证明了在连梁中加配交叉斜筋对提高承载力和延性效果显著，两墙肢加设暗支撑后，两墙肢抗震能力明显加强，同时结构整体变形和耗能能力显著增强，带暗支撑双肢剪力墙的关键在于合理地控制了剪力墙的破坏机制。
• It is discovered , from the analysis of the seismic reaction of the piled jetties with rubber shock absorption seats , that the use of shock absorption seats will help improve the seismic resistance of piled jetties and the use of shock absorption seats will may reduce the maximum bending moment of the fixed end on a pile head to one third of that before the method for reduction of seismic hazards is adopted
  通过对现有高桩码头结构导入减震橡胶支座后的地震反应分析发现，减震支座的导入将有利于提高高桩码头的抗震能力，使桩上部固定端处的最大弯矩减小到未减震前的1 / 3 。
• Secondly , the push - over analysis is for the three - dimensional solid element model and the plane beam element model . the total shearing force - lateral displacement curve can be obtained from it . and then the total shearing force - lateral displacement curve is converted to pseudo acceleration - period curve and some comparisons are made between the pseudo acceleration - period curve and design response spectrum
  然后，建立了有限元三维实体单元模型及平面杆单元模型，对其进行了push - over分析，并将所得的底部剪力一顶点位移曲线转化为拟加速度一周期曲线，与规范反应谱进行对比，以此评定该体系的抗震能力。