1) buckling failure
溃屈失稳
1.
Based on it and according to stability theory for elastic plane,a study on the mechanism of consequent rocky slopes buckling failure by energy method was carried out,and a computing formula has been deduced.
在建立考虑自重、地震作用和地下水共同作用的二维顺层岩质边坡的简化力学模型的基础上,根据弹性薄板的稳定理论,利用能量法探讨顺层岩质边破溃屈失稳机理,并推导了相应的计算公式,通过实例计算,比较了本文所述方法的分析结果与只考虑了岩板自重作用的弹性板分析结果,且经现场勘察,证明了本方法用于溃屈失稳分析的可行性。
2.
the authors probe into the stress, displacement variation pattern,the mechanism of buckling failure and the appraising method of buckling stability of high stratified rock slope which commonly occurs in the construction site.
本文研制了双重非线性有限元程序DNPSAP,然后用该程序进行大变形弹塑性有限元计算,结合地质力学模型试验和能量平衡法,探讨了工程中常见的层状岩体高边坡溃屈失稳时的应力,变位变化规律,失稳破坏机理和稳定性评价方法,着重探讨了倾角、坡长和岩层厚度变化对层状岩体高边坡溃屈失稳的影响。
2) buckling instability
屈曲失稳
1.
For pined_pined,loosed midpoint support plate,it is found that the plate s buckling instability will happen first while the flutter instability will disappear.
发现板在两端简支、中点联结松动时 ,结构首先出现屈曲失稳 ,而不会发生颤振失稳。
3) Anti-buckling-instability
抗屈曲失稳
4) buckling
[英]['bʌkl] [美]['bʌkḷ]
溃屈
1.
The failures of rock mass bedding slopes mainly display the buckling and the shearing slip.
岩体顺层边坡的破坏主要表现为溃屈和剪切滑动。
2.
According to the mechanism of progressive failure for bedding rock slope, the post-buckling deformation and failure of structure rock mass were investigated.
应用后屈曲能量准则,进一步研究结构分叉后平衡路径的演化途径,给出不同约束条件下以边坡上部滑动位移、剪切滑动的极限长度等为控制变量的边坡溃屈和剪切滑动的位移判据。
3.
Based on the modality amplitude equation of equilibrium stability built on post-buckling energy criterion,the regions nearby equilibrium bifurcation point and evolutions along equilibrium path are studied,the buckling and the shearing slip displacement criteria in the form of the upper bound slip.
利用后屈曲能量准则建立的平衡稳定模态幅值方程,进一步研究结构分叉后平衡路径的演化途径,给出以边坡上部滑动位移、剪切滑动的极限长度等为控制变量的边坡溃屈和剪切滑动的位移判据,真实反映了层状边坡岩体结构屈曲和后屈曲的实际变形和整体破坏过程。
5) torsional-flexural buckling
弯扭失稳(屈曲)
6) magneto elastic-plastic buckling
弹塑性屈曲失稳
补充资料：裂纹失稳扩展
分子式：
CAS号：
性质：材料内部裂纹尖端的应力场强度因子达到或超过材料的断裂韧性之后发生的裂纹快速扩展。裂纹失稳扩展将导致材料迅速断裂。
CAS号：
性质：材料内部裂纹尖端的应力场强度因子达到或超过材料的断裂韧性之后发生的裂纹快速扩展。裂纹失稳扩展将导致材料迅速断裂。
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