| 1. | Analysis on micro and meso - damage of rock by macro - hysteresis curve 由宏观滞回曲线分析岩石的微细观损伤 |
| 2. | Hysteresis curve recorder 滞后曲线记录器 |
| 3. | Static hysteresis curve 静态滞后曲线 |
| 4. | Based on test result of load - deformation hysteresis curve under cyclic load , fatigue damage variable is defined from energy angle , the change rule of fatigue damage is pointed out 通过对循环加载下裂隙试样滞回特性和滞回能试验结果的分析,从能量的角度定义了损伤变量,并指出了疲劳损伤的发展规律。 |
| 5. | It was found that the decay of levitation force is dependent on both the maximum lateral displacement and the movement cycle times , while the guidance force hysteresis curve does not change after the first cycle 研究发现运动过程中的悬浮力衰减与最大横向偏移量和往返运动次数有关;但导向力在第一次往返运动之后的往返运动中迟滞曲线基本不变。 |
| 6. | Based on the experiment on a prestressed concrete frame with beam - column subassemblages under low reversed cyclic loading , the crack distribution , failure pattern , hysteresis curve , and displacement of the frame are studied systematically 摘要文章通过对一榀预压装配式预应力混凝土框架在低周反复荷载作用下的试验,深入研究了预压装配式预应力混凝土框架的裂缝分布、破坏形态、滞回曲线及位移延性等抗震性能。 |
| 7. | 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。 |
| 8. | 3 . the performance of staggered joints is similar to ordinary joints ' , not only about the plump of hysteresis curves , energy dissipation , but also the time , the rapidity of shear resistance decrease and the degree of joints stiffness degradation . only the displacement ductility coefficient in staggered joints is little smaller than in ordinary joints 错层节点的抗震性能比普通节点的抗震性能基本差不多,不管是从梁端滞回曲线的饱满程度、耗能系数,还是从节点承载力降低的早晚、快慢、节点刚度退化的程度上来说,都是这样,唯有错层节点的位移延性系数,要比普通节点的稍差一些。 |
| 9. | The research of this connection under monotonic and cyclic loading is simulated using powerful finite element analysis software . the damage mechanism under the moment loading is studied and the hysteresis curve is obtained . at last , the hysteresis model and the parameter of the model is defined to provide academic and numerical foundation 采用大型有限元通用软件模拟该种连接在单调荷载和周期荷载作用下的试验,研究了该连接在弯矩荷载作用下的破坏机理、做出了该连接的滞回曲线,并确定了滞回模型和模型参数,为研究半刚性连接钢框架在地震荷载作用下的性能提供理论依据和实验基础。 |
| 10. | Tow speciments of prestressed fabricated beam - column subassembly were tested under reversed cyclic loading . experimental studies were carried out to investigate the strain distribution , failure mechanism and load - bearing capacity on the beam - column connections , as well as ductility , hysteresis curves energy dissipation , displacement restoring capacity of full pc speciments 本文通过两榀预压装配式梁柱组合体在低周反复荷载下的试验,了解了预压装配式框架梁端截面应变分布、破坏机理和极限承载能力;探讨了全预应力配筋截面延性特征、滞回性能、耗能能力和变形恢复能力。 |