| 1. | Multi - axial stress 多轴向应力 |
| 2. | Tri axial stress 三轴应力 |
| 3. | Fractal character of concrete and its chaos effect of cracks evolution under axial stress 混凝土的分形性及其单轴应力下裂纹演化的混沌效应 |
| 4. | The variation of axial stress , deformation and coefficient of lateral pressure is expounded in this paper 分别研究了侧压力变化阶段和稳定阶段轴向应力、静止侧压力系数以及变形的变化规律。 |
| 5. | The characteristics of these lpfgs are also studied , including temperature , axial stress , refractive index , etching , et al . 首次利用高频co2激光脉冲在多种不同光纤中写入长周期光纤光栅,并研究它的特性。 |
| 6. | The simulation results also show that the modulus of interphase has no significant effect on the fiber axial stress , and increased interphase thickness does 对界面相厚度影响的研究表明,从一定程度上来说界面相厚度增加并不会导致应力传体效率相应的提高。 |
| 7. | The comparison of calculation result with experimental data indicates that good agreement is achieved which implies that the model can be used to explain the rate - dependent properties of concrete in multi - axial stress state 结果表明,本文提出的模型能较好地反映围压荷载下混凝土的静动力特性和破坏机理。 |
| 8. | Firstly , the effect of initially applied strain is that , when it rises , the fiber axial stress decreases , indicating less efficiency in the stress transfer across the interfaces 轴向最大应力的大幅度减少意味当基体的初始塑性流动增加时,基体的应力传递效率大幅度降低,需要增加纤维长度来完成应力传递。 |
| 9. | Based on the concept of a modified fatigue modulus , a cumulative strain damage model , which is able to consider the influence of in - plane multi - axial stresses and mean stress to the fatigue behavior of unidirectional laminates , is proposed 论文各章的主要工作有: ( 1 )以疲劳模量概念为基础,建立累积应变损伤模型。 |
| 10. | To begin with , simulated results of fiber axial stress , interfacial shear stress and variation of axial stress along a sfrc cross section are compared with their analytical solutions by means of a shear - lag method , on the assumption of perfect bonding 在与本部分有关的研究工作中,首先将纤维和基体完全粘结假设下的解析解和有限元解进行两个方面的比较:纤维的轴向应力,界面的剪切应力。 |