恢复力

• In this paper the reinforced concrete frame is simplified into pole model and hysteretic model in pole section with consideration of reduced stiffness . the failure criteria is whether the structure has formed mechanical angle
  本文将钢筋混凝土框架结构简化为杆系模型，建立了考虑刚度退化的杆件截面层次上的三线型恢复力模型，并以结构形成机械较机构作为框架倒塌破坏的判断准则。
• According to hysteretic properties under low - cyclic loading and some other suggestions , the moment - curvature restoring force computation model of unbonded partially prestressed concrete section , which considering the ppr , is given
  此外由于施加了预应力，使得该结构具有良好的恢复力特性。本文还根据试验结果和相关参考文献提出了考虑不同预应力度的预应力扁梁截面弯矩?曲率恢复力计算模型。
• For a class of linear systems or the systems containing a nonlinear recovering force , it is discussed how to make them become chaotic systems by adding a nonlinear feedback unit , and the parameters estimation method of the system is introduced
  在系统参数估计的应用方面，讨论了对于一类线性的或含有非线性恢复力的系统，如何通过加入非线性反馈环节使其处于混沌态。然后介绍了这种混沌系统的参数估计的符号动力学方法。
• 3 in renal failure stage , it can decrease hemolialysis times obviously . if you persist in treatment , it can enhance renal function restoration ability gradually and make you need no more dialysis therapy , prolong life , improve quality of life and make you reach recovery completely
  肾衰期，可明显减少血透析次数，只要坚持治疗，逐渐提高肾功能恢复力，乃至毋需透析治疗，延长生命，提高生命质量，最终可达到完全康复之效果。
• Then using wilson - # method and linearity acceleration method to calculate the earthquake time - history reaction of a base isolation buildings . the results indicate that the benc - wen model and the bilinear model can couvade the restoring - force character of the isolation bearings exactly well
  然后，以实验模型在振动台上受激励，获得加速度频响函数的方式来考察我们选取的模型拟合效果，选取一个适合沥青隔震垫的恢复力模型。
• Based on the experiments under low reversed cyclic loading , failure pattern , hysteresis curves , skeleton curves , restoring force model , displacement restoring capacity , ductility and rigidity degeneration of prestressed concrete beams with high ppr are studied systematically
  摘要基于低周反复荷载试验，对高预应力度混凝土梁的受力过程、破坏形态、滞回曲线、骨架曲线、恢复力模型、变形恢复能力、延性、刚度退化等抗震性能进行了较深入的研究分析。
• Since the shape memory alloys re - centring damper is provided with hysteretic curve in the " double flag " type , to suppress the response of structure and get the capacity of fully re - centring , the new isolation system combining the above damper with laminated rubber bearing is proposed
  形状记忆合金自复位阻尼器具有独特的双旗型恢复力曲线，本文提出将这种阻尼器与叠层橡胶垫组成新型隔震装置，以期在降低结构地震反应的同时还能够获得震后的复位功能。
• Based on a quasi - static test of two - lay - three - story concrete - filled rectangular steel tubular frame ( crstf ) , ductility behavior , dissipation of seismic energy , degeneration of stiff and intensity of the crstf under low - frequency , horizontal , repeat load are analyzed . hysteretic curves to each floor of crstf between displacements and repeat loads , together with corresponding framework curve and resilience model to top floor of crstf is shown , too
  本文基于一榀三层两跨方钢管混凝土框架拟静力试验，分析了低周反复水平荷载作用下框架的延性性能和强度与刚度的退化以及抗震耗能能力，给出了框架各层位移随反复荷载变化的滞回曲线，并根据顶层滞回曲线进一步得出了框架顶层骨架曲线及相应的恢复力模型。