The test result of change laws of elastic ratio indicates that, the change of elastic ratio is slower than the change of intensity for any kinds of concrete. So it is inefficiency.
各种混凝土的弹性模量变化规律表明,其受硫酸盐侵蚀时,弹性模量变化都滞后于强度的变化。
参考来源 - 混凝土抗硫酸盐侵蚀快速评估方法研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The part influencing area of prestressing force is related to such factors as concretes elastic ratio, beams sectional dimension and so on.
构件预应力局部影响区与混凝土弹性模量，梁截面尺寸等因素有关。
It is shown that Although the deformation curve under the pressure of axis is well consistent between micro-concrete and normal-concrete, the elastic ratio and strength are different.
试验表明，虽然微粒混凝土和原型混凝土的轴心受压变形曲线是大体“相似”，但两者的弹模和强度存在差异。
This paper tries to introduce two suppositional variables which are named fictitious output and fictitious capital input in discussion for seeking a new method of measuring elastic ratio.
本文试图通过引入虚拟产出和虚拟资本投入两个设定变量，来讨论有关这个模型对事实上的狭义弹性系数的测定问题。
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