stress-strength ratio

Tension stress was introduced at the stainless steel side, and decreases with the increase of thickness ratio.

不锈钢一侧宽度方向应力为拉应力，并随着相对厚度比的增大而减小；

Pile-soil stress ratio is an important parameter which affect the behavior of pile-net composite foundation, and it also is a target of calculating bearing capacity and displacement.

桩土应力比是反映桩~网复合地基工作状态的一个重要参数，也是计算桩~网复合地基承载力和沉降的重要指标；

Tensile modulus and yield stress of blends increase with concent ratio n of PMMA.

结果表明，共混物的拉伸模量、屈服应力随PMMA含量增加略有增大。

Study on Loading/ Unloading Response Ratio Based on the Tectonic Stress Field

基于构造应力场资料的加卸载响应比方法研究

Based on experiment and calculated results, the simplified formula for stress of tensile steel under service load is derived, which is suitable to various kind of tensile steel ratio.

在试验和电算分析的基础上，提出了适用于各种配筋率情况的轻骨料混凝土梁使用荷载下受拉钢筋应力计算的简化公式。