A kind of method to evaluate and test the tension-compression fatigue strength of gray cast iron was introduced in this paper.
介绍了一种评价与测试灰铸铁铸件的拉压疲劳极限的方法。
The proof strength can be used to evaluate the tension-compression fatigue strength of gray cast iron, and also used as the stress level of the tension-compression fatigue test.
利用引伸计拉力试验中的规定总延伸强度可以评价灰铸铁的拉压疲劳极限，也可以利用该数值作为预计的疲劳极限，用于拉压疲劳试验应力水平的选取。
Chapter 2: discuss experimental techniques of concrete under multiaxial fatigue load, carry out concrete uniaxial fluctuating compression fatigue experiments and analyze the experiment results.
第二章介绍混凝土多轴疲劳实验技术，进行了混凝土单轴受压疲劳实验，并对实验结果进行了理论分析。
The fatigue failure types of the beams were fracture failure, bending tensile failure and shear compression failure.
这批试件的疲劳破坏形式为：折断破坏、弯拉破坏和剪压破坏。
Electrical resonant method is used in crankshaft fatigue testing of an air compression machine.
采用电动谐振法对空压机曲轴进行疲劳试验。
The road performance test include: compression strength, cleavage strength, rupture strength, modulus of compression strength resilience, shrinkage, fatigue test and washout test.
路用性能的试验内容包括：抗压强度、劈裂强度、抗弯拉强度、抗压回弹模量、温缩干缩、抗冲刷试验、冻融试验和疲劳性能试验。
Using the multi-function testing machine named RMT150B, the fatigue life of rock due to different affecting factors under uniaxial compression condition were studied.
利用RMT150B型岩石力学多功能试验机对单轴压缩岩石疲劳寿命的影响因素进行了研究。
Testing study is made on the fatigue failure and deformation mechanism of sandstone and marble under uniaxial compression condition with rock mechanics test equipment RMT-150B.
利用RMT-150B岩石力学多功能试验机完成了单轴压缩状态下砂岩、大理岩和花岗岩试件疲劳破坏变形及机理的较为系统的试验研究。
Based on real time CT testing, primary testing study of fatigue failure and deformation mechanism of red sandstone has been completed under uniaxial compression condition.
基于对裂隙岩石的细观CT试验，对含有单一裂纹的贵溪红砂岩在单轴疲劳荷载作用下的损伤扩展机理和演化过程进行了初步的试验研究。
Based on real time CT testing, primary testing study of fatigue failure and deformation mechanism of red sandstone has been completed under uniaxial compression condition.
基于对裂隙岩石的细观CT试验，对含有单一裂纹的贵溪红砂岩在单轴疲劳荷载作用下的损伤扩展机理和演化过程进行了初步的试验研究。
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