1) the way of reducing the elastic model
弹模折减
2) 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。
3) module of reduction
折减模数
1.
The formula of the critical buckling condition has been given out,and the general module of reduction Er has been determined.
通过扇形件拉伸试验,分析了板料在受压失稳前的变形特征以及板料厚度、宽度、皱纹半波夹角对失稳的影响,给出了失稳临界条件表达式,确定了广义折减模数Er。
4) elastic rigidity convertion method
弹性刚度折减法
1.
Comparing with the elastic analysis, the method calculating deformation elastic rigidity convertion method, was proposed and the influence of loading type on the internal force distribution regularity was analysed.
本文为“钢筋砼双向板满足使用要求的设计研究”的试验部分,着重讨论了钢筋砼双向板在不同受力阶段的变形性能及裂缝分布规律,通过与弹性计算值的比较,提出了挠度计算的“弹性刚度折减法”以及荷载作用方式对结构内力分布的影响。
5) strength reduction model
强度折减模型
1.
Based on the freezing-thawing test and micro-mechanics of concrete,the mechanical properties of concrete after freezing-thawing were studied,and the strength reduction model and elastic modulus reduction model were built with the changes of freezing-thawing cycles of concrete.
基于混凝土冻融试验和混凝土细观力学对混凝土冻融后的力学性能变化进行了研究,建立了混凝土随冻融循环次数变化的强度折减模型和弹性模量折减模型。
6) 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。
补充资料:低弹模混凝土
分子式:
CAS号:
性质: 具有低弹性模量的混凝土。它的弹性模量可低到0.3×104~10×104MPa。用于水力工程结构土石围堰中的防渗墙,以抵抗侧面载荷引起的变形而开裂。低弹模混凝土配料中砂率较大,并掺入大量黏土以降低弹性模量。如掺入一定量的硅藻土或蒙脱土,还可以提高防渗性能。
CAS号:
性质: 具有低弹性模量的混凝土。它的弹性模量可低到0.3×104~10×104MPa。用于水力工程结构土石围堰中的防渗墙,以抵抗侧面载荷引起的变形而开裂。低弹模混凝土配料中砂率较大,并掺入大量黏土以降低弹性模量。如掺入一定量的硅藻土或蒙脱土,还可以提高防渗性能。
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