| 1. | Euler ' s critical stress
欧拉临界应力56 |
| 2. | Critical stress intensity
临界应力强度 |
| 3. | The energy equilibrium equation and the relation between plastic work and the critical stress surface are given
给出了临界状态下的能量平衡方程及塑性功与临界应力面的关系。 |
| 4. | It points out that the principal strain rate is coaxial with the principal stress at critical state and is independent of the critical stress surface
指出散粒体临界状态下的主应变率与主应力共轴，而与临界应力面形状无关。 |
| 5. | To raise the critical stress of the web , we always lay some transverse stiffeners on the web , and also lay some longitudinal stiffeners sometime
为了提高腹板的临界应力，通常都设有腹板横向加劲肋，有时还在梁中段加设纵向加劲肋。 |
| 6. | The numerical results show that the elephant foot bulging is in fact buckling failure which is caused by the overcritical compressive stress rather than intensity failure
分析表明：立式储液罐罐壁“象足”变形主要是由罐壁纵向压应力超过临界应力而产生的局部屈曲破坏，并非强度破坏。 |
| 7. | There is a criteria triaxiality , which is a material constant , which when triaxiality of material is larger than the fracture belongs to void - mode , and in reverse , belongs to shear - mode
存在材料常数? ?临界应力三轴度，材料内应力三轴度高于临界值时，断裂为韧窝型的，反之，为剪切型的。 |
| 8. | The consistency of the energy criterion and the stress intensity factor criterion to model i crack is discussed concisely , and the new method to calculate linear critical fracture stress is presented
借助裂纹圆模型简明地论述了型裂纹扩展的能量判据与应力强度因子判据的一致性以及线性断裂临界应力的新算法。 |
| 9. | The basic frame of the theory of tangent modulus in fracture mechanics is builded , and the new method of tangent modulus factor to calculate nonlinear critical fracture stress is presented
本文论述了断裂力学中的切线模量理论的基本框架，提出了求解非线性断裂临界应力的新方法? ?切线模量因子算法，并对该方法同现有的cod法作了理论上和计算上的比较。 |
| 10. | With this in minds , many researchers have proposed a variety of models for describing the nonlinear fracture of concrete for the past decades . amid them most take the critical stress intensity factor kic as the fracture toughness , a sign of ability to resist the crack extension
对此，在过去的几十年里，众多研究人员提出了很多描述混凝土非线性断裂的模型，而其中的大多数断裂模型都以临界应力强度因子k _ ( ic )作为抵抗裂缝扩展阻力的断裂韧度。 |
