1) 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。
2) the way of reducing the elastic model
弹模折减
3) breaking resistant elasticity modulus
抗折弹性模量
1.
The flexural deformation behaviors and the degradation law of the breaking resistant elasticity modulus du.
对路面用钢纤维混凝土材料在循环荷载作用下的弯曲疲劳变形和抗折弹性模量衰减规律进行了研究。
4) bending elastic modulus
抗折弹性模量
1.
The bending elastic modulus of different high bending strength pavement concrete are analyzed,and the regression equation between bending elastic modulus and bending strength most in use is presented.
对比分析了不同种类高抗折强度路面混凝土抗折弹性模量,对常用高抗折强度路面混凝土抗折弹性模量与抗折强度关系进行了回归,根据回归方程对其抗折弹性模量与抗折强度进行了预测。
5) converted elastic modulus
折算弹性模量
1.
To analyze mechanics of polyurethane rubber layers in roll bending process,a new concept of converted elastic modulus for polyurethane rubber is put forward to define the elastic modulus of polyurethane rubber changed during forming and the expression of Eeis derived.
为便于对滚弯过程中弹性层的受力进行分析,提出了折算弹性模量的概念,来定义柔性滚弯过程中聚氨酯橡胶随成形改变的弹性模量,并推导了聚氨酯橡胶折算弹性模量的计算公式。
6) 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。
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