strength -stress ratio

Results indicate that reinforcement index can reflect effects of both concrete strength and reinforcement ratio on the steel stress.

结果表明，截面配筋指标可综合反映混凝土强度和截面配筋率对受拉钢筋应力水平的影响；

The dynamic strength and parameters were determined, and some influential factors, such as particle composition, confining pressure, consolidated stress ratio and dynamic stress, were discussed.

确定了尾矿料的动力强度和动力参数。并探讨了颗粒组成、固结围压、固结压力比、动应力对动强度的影响。

To analyze the characteristics of TBCs such as residual stress, bond strength, fracture toughness, and crack propagation ratio, the Young's modulus and Poisson's ratio are important parameters.

为确定热障涂层的残余应力、结合力、断裂韧性、疲劳裂纹扩展速率等性能和特性，需要知道其杨氏模量和泊松比。