文中讨论了临界应力强度因子的厚度效应并给出了一个定量关系式。
Tile thickness effect on critical stress-intensity factor in plane stress is discussed, and a quantitative formula is also suggested in this paper.
应力腐蚀临界应力强度因子的测试方法是基于线弹性继裂力学理论和应力腐蚀理论提出的一种新的测试方法。
A new method of testing the critical stress intensity factor for stress corrosion cracking based on linear-elastic fracture mechanics theory and stress corrosion cracking theory was put forward.
裂隙中的粘土充填物在地下水物理、化学的作用下，力学性能不断弱化，使岩体裂隙的临界应力强度因子不断降低，裂隙扩展具有时间效应，导致底板裂隙的滞后突水。
The mechanic capability of the crevice clay filling falls because the physiology and chemistry of the groundwater, which lags the crevice spreading and leads to the lagging floor water bursting.
混凝土约束改变了有效应力-应变关系：造成强度和临界应变的增加。
Confinement of concrete results in a modification of the effective stress-strain relationship: higher strength and higher critical strains are achieved.
通过对陶瓷基复合材料应力、临界纤维长度的讨论可知，复合材料的强度应考虑纤维取向和纤维长度。
The critical length of fiber and the stress of composites are discussed in this paper. The direction and length of fiber in the composites affect the strength of composites.
分析结果可作为进一步讨论电流变液屈服应力以及临界电场强度的基础。
The result can be used in further study about the yield-stress and critical electric field strength.
根据试验结果，得到了花岗岩亚临界裂纹扩展速度与应力强度因子之间的关系和花岗岩的断裂韧度。
Based on testing results, the relationship between velocity of granite subcritical crack growth and stress intensity factor, and the fracture toughness are obtained respectively.
试验结果表明，岩石的临界强度不仅受岩石固有性质影响，而且受控于应力水平，特别是应力振幅。
The results showed that the critical strength was not only affected by rock's nature, but also was controlled by the stress level, especially stress amplitude.
土体在动力荷载作用下，当动荷载与土体静强度的比值即循环应力比超过某一临界循环应力比时，土体才会发生累积变形和强度弱化。
The cycle stress ratio is the ratio of dynamic strength and soil static strength, as it passes the critical cycle stress ratio, accumulated deformation takes on and soil strength declines.
根据试验结果，得到了花岗岩亚临界裂纹扩展速度与应力强度因子之间的关系和花岗岩的断裂韧度。
Based on testing results, the relationship between velocity of granite subcritical crack growth and stress intensity factor, and the fracture toughness are obtained respectively. Du...
平面应变断裂韧性(KIc)：平面应变条件下应力强度因子的临界值(即达到该值时裂纹发生扩展)。
Plane strain fracture toughness (KIc). The critical value of the stress intensity factor (i. e., at which crack propagation occurs) for the condition of plane strain.
断裂韧度(Kc)：发生裂纹扩展时应力强度因子的临界值。
Fracture toughness (Kc). Critical value of the stress intensity factor for which crack extension occurs.
断裂韧度(Kc)：发生裂纹扩展时应力强度因子的临界值。
Fracture toughness (Kc). Critical value of the stress intensity factor for which crack extension occurs.
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