1) softening of stiffness
刚度软化
2) ground stiffness softening method
刚度软化法
1.
Several rectification methods,including stress relaxation method,additional stress method and ground stiffness softening method,were combining together.
根据Ⅲ级自重湿陷性黄土的特性,对某独立基础的五层框架结构的空旷仓库采用应力解除法、应力附加法和地基土体刚度软化法等综合迫降纠倾技术,使倾斜结构物顺利回倾,倾斜率达到了规范规定的技术要求。
3) ground stiffness softening method by water injection
刚度注水软化法
4) stiffness degradation
刚度退化
1.
Research on behaviors of frame-shear wall structures based on stiffness degradation;
基于刚度退化的框-剪结构受力性能研究
2.
In this paper,a new rate-dependent concrete elasto-plastic damage model for simulating the mechanical behaviors of concrete is established by introducing the effect of strain rate,damage variable and stiffness degradation variables.
通过引入应变速率、损伤变量以及刚度退化指标等参数,建立了应变率相关的混凝土弹塑性损伤模型。
3.
The real stiffness of frame in different deformation phases was determined according to experimental data,and the stiffness degradation coefficient was adopted to revise the stiffness of each floor.
根据模型试验数据确定各变形阶段框架的实际抗侧刚度,采用框架抗推刚度退化系数对框架各楼层抗推刚度进行修正,再引入周期、剪力与侧移修正系数对弹性阶段的结构受力性能予以修正,提出一种考虑刚度退化时框架结构的计算方法,并给出具体计算步骤。
5) rigidity degeneration
刚度退化
1.
The hysteretic behavior, rigidity degeneration, ductibility and capability of energy dissipation are analyzed by loading the structures in two principal directions.
通过三根不等肢配箍矩形框架柱在斜向低周水平反复荷载作用下的模型试验,结合以往试验数据,从滞回性能、刚度退化、延展性、耗能能力等方面对不等肢配箍矩形框架柱的抗震性能进行分析。
2.
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.
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。
3.
Based on the experiment of columns under low-frequency cyclic loads, this paper discovers that rigidity degeneration is not obvious during the early loading stage but increases after the crack appears.
双向受剪框架柱在反复荷载作用下的刚度退化是结构抗震分析中的重要内容。
6) stiffness hardening
刚度硬化
1.
But common MR damper can t be used in cases of high-frequency vibrations because of stiffness hardening,which leads to increase of displacement transmissibility at high frequencies.
但同其它常规流体阻尼器类似,在高频振动时会出现刚度硬化现象,使高频传递率增大,常规磁流变阻尼器多应用于较低频域的振动控制。
补充资料：环球法软化点
分子式：
CAS号：
性质：测定热塑性树脂软化点的试验法。试样在内径15.9mm,厚2.38mm,深6.35mm的金属环中成型,将此环放在流体加热浴中的金属板上,再将直径9.55mm,重3.5g的钢球放在试样中心,当钢球贯穿试样接触下板时的温度,即为软化点。
CAS号：
性质：测定热塑性树脂软化点的试验法。试样在内径15.9mm,厚2.38mm,深6.35mm的金属环中成型,将此环放在流体加热浴中的金属板上,再将直径9.55mm,重3.5g的钢球放在试样中心,当钢球贯穿试样接触下板时的温度,即为软化点。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条