1) precritical propagation length
裂缝尖端亚临界扩展量
2) pre-critical crack propagation length
裂缝亚临界扩展量
1.
On this basis,the size effect is investigated by calculating the K~s-(ⅠC) and pre-critical crack propagation length Δa-c using the proposed model.
在此基础上,进一步研究了等效断裂韧度和裂缝亚临界扩展量的尺寸效应。
3) subcritical crack growth
亚临界裂纹扩展
1.
Testing study of subcritical crack growth of ore in Jinchuan mine;
金川矿岩亚临界裂纹扩展试验研究
2.
Study on subcritical crack growth and thresholds of rocks;
岩石亚临界裂纹扩展试验及门槛值研究
3.
Effects of water on subcritical crack growth;
水对亚临界裂纹扩展的影响
4) critical crack tip opening displacement
临界裂缝尖端张开位移
1.
The results show that G_(fF),critical crack mouth opening displacement(δ_(fmc)) as well as critical crack tip opening displacement(δ_(ftc)) of SFHAC increase linearly with the increas.
结果表明:随着φf的增加,GfF、临界裂缝嘴张开位移(fδmc)、临界裂缝尖端张开位移fδtc均线性增加,钢纤维高强混凝土断裂能增益比、临界裂缝嘴张开位移和临界裂缝尖端张开位移的增益比亦基本呈线性增加。
2.
In order to investigate the size effect of the fracture toughness of concrete,the size effect law deduced from Weibull s statistical theory was compared with that from Bazant s energy release principle,and three fracture parameters,namely,the initiatial fraction toughness(Kini1c),the unstable toughness(Kun1c) and the critical crack tip opening displacement(δc) were tested.
为研究混凝土断裂韧度的尺寸效应,将基于Weibull统计理论的尺度律与基于Bazant能量释放原理的尺度律进行对比,进行了3种混凝土断裂韧度,即起裂韧度Ki1nci、失稳韧度Ku1nc及临界裂缝尖端张开位移δc的试验研究。
5) Critical crack tip opening displacement CTODc
临界裂缝尖端开口位移
6) subcritical crack growth
亚临界扩展
1.
The mechanisms of concrete fracture process and subcritical crack growth in mesoscale level have been systematically investigated through the model tests and the three-point bending fracture tests with Scanning Electron Microscope (SEM).
通过模型和三点弯曲断裂SEM试验,详细研究了混凝土断裂全过程及亚临界扩展的细观机理。
补充资料：亚临界裂纹扩展
分子式：
CAS号：
性质：材料内部的微裂纹在达到临界快速失稳扩展条件之前的缓慢扩展过程。各种裂纹如疲劳裂纹、应力腐蚀裂纹、氢脆裂纹等的发展通常都经历这一阶段。可以通过降低外加应力、减缓腐蚀速度等方法阻碍裂纹的亚临界扩展,从而延长材料寿命。
CAS号：
性质：材料内部的微裂纹在达到临界快速失稳扩展条件之前的缓慢扩展过程。各种裂纹如疲劳裂纹、应力腐蚀裂纹、氢脆裂纹等的发展通常都经历这一阶段。可以通过降低外加应力、减缓腐蚀速度等方法阻碍裂纹的亚临界扩展,从而延长材料寿命。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条