1) critical crack opening displacement
临界裂缝张开位移
1.
Through the three-point bending test on 50 specimens of steel fiber reinforced high strength concrete (SFHSC) with the size of 100 mm×100 mm×515 mm, the effect of the fiber volume fraction (ρf) upon the effective crack length (al) fracture toughness (KⅠc) and critical crack opening displacement (δc) of high strength concrete (HSC) was studied.
通过50个尺寸为100mm×100mm×515mm的钢纤维高强混凝土切口梁三点弯曲试验,研究钢纤维体积率对高强混凝土有效裂缝长度、断裂韧度和临界裂缝张开位移的影响。
2) critical crack mouth opening displacement
临界裂缝嘴张开位移
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.
Through wedge splitting tensile test, the effect of the polypropylene fiber dosage upon the stress intensity factor (KpIC), fracture energy (GpF) and critical crack mouth opening displacement (δpmc) of polypropylene fiber reinforced high-strength concrete (HSC) were studied.
通过楔劈拉伸试验,探讨了聚丙烯纤维掺量对聚丙烯纤维高强混凝土断裂韧度(KpIC)、断裂能(GpF)和临界裂缝嘴张开位移(δpmc)的影响。
3) 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。
4) critical crack tip opening di
临界裂缝嘴尖端张开位移
5) Critical crack tip opening displacement (CTOD_c)
临界裂缝尖端张开位移(CTOD_c)
6) Critical crack tip opening displacement CTODc
临界裂缝尖端开口位移
补充资料:裂纹尖端张开位移
分子式:
CAS号:
性质:在外载荷的作用下,裂纹尖端两表面间的张开位移。用符号δ表示。由于在弹塑性条件下,已得到δ与工作应力σ(或应变ε)以及裂纹尺寸a(裂纹的半长)之间的关系,因此它是弹塑性断裂力学中的一个重要参量。
CAS号:
性质:在外载荷的作用下,裂纹尖端两表面间的张开位移。用符号δ表示。由于在弹塑性条件下,已得到δ与工作应力σ(或应变ε)以及裂纹尺寸a(裂纹的半长)之间的关系,因此它是弹塑性断裂力学中的一个重要参量。
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