1) elastic modulus reduction method
弹性模量缩减法
1.
The elastic modulus reduction method based structural system reliability;
基于弹性模量缩减法研究结构体系可靠度
2.
An elastic modulus reduction method is proposed for the ultimate load bearing capacity evaluation of frame structures,based on the element bearing ratio(EBR) and the conservation of strain energy.
首先,综合考虑单元的内力和屈服强度,定义了单元承载比、承载比均匀度以及基准承载比等参数的概念和计算表达式;在此基础上,根据相邻迭代步变形能守恒关系,研究建立弹性模量的调整计算公式,建立了一种新型的弹性模量调整策略;进而提出了刚架结构极限承载力分析的弹性模量缩减法,即通过系统地调整高承载比单元的弹性模量来确定结构的极限荷载下限值。
2) degradation of dynamic elastic modulus
弹性模量衰减
3) reduced elastic modulus
折减弹性模量
1.
With the finite element method,the bending stiffness of twin-block ballastless track with double combined slabs composed of a track slab and a support layer was investigated through changing the elastic modulus and thickness of the support layer and the interval between cracks,and the reduced elastic modulus of the cracked support layer was obtained.
用有限元法,在双块式无碴轨道支承层开裂的情况下,针对不同的裂缝间距、支承层厚度和弹性模量,分析了道床板与支承层形成的结合式双层结构抗弯刚度的变化规律,得到了开裂支承层的折减弹性模量。
4) compression elastic modulus
压缩弹性模量
1.
The curing behavior,mechanical properties,compression elastic modulus and dynamic mechanical properties of CR/SBR blends were investigated.
探讨了氯丁橡胶(CR)/丁苯橡胶(SBR)共混胶料的硫化特性,共混硫化胶的力学性能、压缩弹性模量和动态力学性能。
5) degradation coefficient of secant elastic modulus
割线弹性模量衰减系数
1.
Sthis defined as the largest value of cyclic stress ratios corresponding to the flat δ～N curve δ is degradation coefficient of secant elastic modulus and N is cyclic number).
循环荷载下,砂土与EPS颗粒混合的轻质土(LSES)存在临界循环应力比Sth,将割线弹性模量衰减系数δ与循环次数的关系曲线能保持平缓的最大循环应力比定义为Sth,它是结构稳定与破坏两种状态的界限指标,根据动三轴试验结果,认为影响Sth的主要因素有围压、水泥掺量和EPS颗粒含量。
6) effective tangent modulus method
有效弹性模量法
1.
Applicability of effective tangent modulus method in evaluation of buckling strength of long-span cable-stayed bridges;
有效弹性模量法在大跨斜拉桥稳定计算中应用
补充资料：表观弹性模量
分子式：
CAS号：
性质： 在减震橡胶制品中，由于橡胶与金属黏着界面的形状效应，不能仅由形状尺寸和橡胶的弹性模量来决定不同方向的弹簧常数，为此将表观弹性模量Eap定义为：圆柱形：Eap=(3+4.9355S2)G正方形：Eap=(3+6.580S2)G无限长柱：Eap=(4+3.290S2)G式中G为剪切弹性模量，S为形状因子。
CAS号：
性质： 在减震橡胶制品中，由于橡胶与金属黏着界面的形状效应，不能仅由形状尺寸和橡胶的弹性模量来决定不同方向的弹簧常数，为此将表观弹性模量Eap定义为：圆柱形：Eap=(3+4.9355S2)G正方形：Eap=(3+6.580S2)G无限长柱：Eap=(4+3.290S2)G式中G为剪切弹性模量，S为形状因子。
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