1) Opposite-symmetric four-point flexure
反对称四点弯曲
2) symmetric bending
对称弯曲
1.
The paper discusses the development of an ultrasonic symmetric bending fatigue system on the basis of the three-point bending method,including the design of ultrasonic symmetric bending samples and the influence of processing errors.
在二点弯曲超声疲劳试验方法的基础上开发了对称弯曲超声疲劳试验系统。
3) four point bending
四点弯曲
1.
Interracial fracture properties of the stainless steel and aluminum bimetal are analyzed with the method of four point bending test,and the interface crack and the interface fracture structure are analyzed with SEM.
采用四点弯曲的试验研究方法,对爆炸焊接不锈钢-铝复层材料界面断裂性能进行了研究,采用扫描电子显微镜对界面裂纹与断口形貌进行观察分析。
2.
A new method for elastic modulus measurement of thin films—four point bending method is presented in this paper.
提出了一种新的薄膜弹性模量测定方法──四点弯曲法 。
4) four-point bending
四点弯曲
1.
With the aid of the analytical methods of composite mechanics,a layered shear-lag model is established to investigate the multiple cracking of reinforced concrete(RC) beam reinforced with carbon fiber sheets under four-point bending.
借鉴复合材料力学的分析方法,建立一种分层剪滞模型,研究了碳纤维片材加固钢筋混凝土梁在四点弯曲载荷作用下的多重开裂破坏,求得了梁纯弯段下部钢筋保护层中的最大裂缝宽度和裂缝密度与施加载荷和碳纤维片材的粘贴层数之间的定量关系,计算结果与现有实验值较吻合。
2.
Based on the study method for mechanics of composite materials,a layering model is established for the redistribution of the stress of reinforced concrete beam strengthened by unidirectional aramid fiber sheet with crack under four-point bending load,and then the distributions of stress and displacement of all the sub-layers are obtained.
借鉴复合材料力学的研究方法,对四点弯曲荷载作用下含裂缝的单向芳纶纤维片材加固钢筋混凝土梁的应力重新分布建立一种分层模型,从而获得了各子层的应力或位移分布。
3.
In order to solve these problems,a four-point bending fatigue test system Cooper NU-14 was used to evaluate the fatigue performance of asphalt mixtures.
鉴于其在加载方式与路面实际受力状态方面存在较大差别、实际开裂模式与理论开裂位置经常不一致,笔者尝试使用一种四点弯曲疲劳试验系统(即Cooper NU-14试验系统)评价沥青混合料的疲劳性能。
5) axisymmetrical bending
轴对称弯曲
1.
In this paper,the differential equation of axisymmetrical bending problems for circular plate with stepped thickness is derived by using generalized functions.
应用广义函数推出阶梯式变厚度圆板轴对称弯曲的微分方程，并应用初参数和Ｗ算符来表述和求解该微分方程。
6) unsymmetrical bending
非对称弯曲
1.
A deduction method of normal stress fermula of unsymmetrical bending;
非对称弯曲正应力公式的一种推导方法
2.
Based on this fact, this paper proposes two methods to analyze the external loads and the ultimate unsymmetrical bending strength of a damaged ship hull.
基于这样的事实，本文给出了破损船体外载荷和非对称弯曲极限强度分析方法，比较了基于横剖面模数和基于极限强度的剩余强度衡准，并给出了破损船体结构安全性评估的可靠性方法。
3.
the problems of nonlinear unsymmetrical bending for cylindri-cally orthotropic circular plate are studied by using“the method of two-variable”￣[1],and the uniformly valid asymptotic solutions of Nth-order for ε_1 and Mth-order for ε_2 are obtained.
本文利用“两变量法”￣［１］研究了圆柱型正交各向异性圆形薄板在非均布横向载荷作用下的非线性非对称弯曲问题，并得到在周边为可移夹支条件下的本问题的一致有效渐近解。
补充资料：四称
1.指人的体貌端正﹑匀称。
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