弯曲点

Based on the study, the recognition characteristics of AE selfsimilarity is provided at critical fracturing of concrete under three point bending experiments.

并在此基础上，根据混凝土试块的三点弯曲试验，确定出了混凝土试块断裂的声发射自相似性识别特征。

Three point bending method is the most common one used to determine the fracture energy of concrete, for this method does not require very complicated testing machine.

在分析三点弯曲法测量混凝土断裂能误差来源的基础上，对试验机系统进行特殊设计，可以排除绝大多数误差来源。

A four_ point bending RC beam strengthened by a FRP plate is investigated.

研究了4点弯曲情况下FRP板加固钢筋混凝土梁的界面应力分布。

A new X-ray diffraction topographic method was developed and used to study the fracture morphology and process in three point bending test of Mo single crystals.

本文提出一种新的X射线形貌法，并利用它观察三点弯曲Mo单晶的断口特征及其断裂过程。

By using elasto-plastic finite element calculation and three point bending test,the in-fluence of strength matching and crack depth on fracture properties are investigated.

利用弹塑性有限元计算和三点弯曲试验对不同裂纹深度、不同强度组配焊接接头试样的断裂性能进行了研究。

Concrete three point bending notched beams with reinforcing bar placed at three different positions are used to study the effect of reinforcing bar on crack propagation of concrete.

4通过在跨中预制缝的混凝土三点弯曲梁内的三种不同位置分别布置钢筋，研究了钢筋在混凝土裂缝扩展过程中的限裂作用。

There are good corresponding relationship between the resistance of CFRC and its strain, which proves that CFRC can be used as a new gauge in three point bending notched beam and Nondestructive Examination.

4碳纤维混凝土的电阻信号与应变信号之间有着很好的对应关系，且有较高的精度。可以作为一种新型的本征性智能材料应用到三点弯曲梁的研究以及混凝土的无损检测中。

According finite element theory, the computing method and step of Nishihara rheological model was given, numerical simulating of Three point bending creep test was performed and the results were coincided with that of test.

并对三点弯曲流变试验进行了数值模拟，结果也证明了改进后的西原模型与实测值的吻合性。

In order to investigate fatigue performance of RC beams strenthened with CFL,static and fatigue tests at different ambient temperatures of 20°C,50°C and 80°C were carried out.

为了研究CFL增强RC梁在不同温度下的疲劳性能，分别在20°C、50°C和80°C的温度条件下对CFL增强RC梁进行了3点弯曲静载和疲劳试验。

In the dissertation, the nonlinear bending of circular sandwich plates based on Reissner theory is analyzedThe method of Point Collocation are used in the calculation,with the B-spline function taken as the trial function.

本课题研究了基于Reissner理论的夹层圆板的非线性弯曲问题。文中采用配点法计算，以三次样条函数作为应力函数和挠度函数的试函数。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。