| 1. | Research on anti - fatigue performance of strata stress absorbing layers
应力吸收层抗疲劳特性研究 |
| 2. | Fatigue performance of damage beams strengthened by cfrp - sheet
碳纤维布加固损伤混凝土梁的疲劳性能试验 |
| 3. | Predictive model based on artificial neural net for fatigue performances of prior - corroded aluminum alloys
基于人工神经网络的预腐蚀铝合金疲劳性能预测 |
| 4. | Therefore , to study the fatigue performance of concrete beam strengthened with cfrp - sheet have the important theories and realistic meaning
因此，研究碳纤维加固混凝土梁的疲劳性能具有重大的理论意义和现实意义。 |
| 5. | To change the layer number of cfrp ( one and two layer ) , the paper analyzed the anti - fatigue performance from the points of material stress , degree and crack of the beams
通过改变碳纤维布的粘贴层数( 1 、 2层) ，从材料的应变、梁的挠度、裂缝扩展情况三方面进行分析。 |
| 6. | Fatigue is a complicated problem . nowadays , there isn ’ t an efficacious mathematical model of fatigue established . we can only get credible data of fatigue performance through fatigue test by fatigue testing machines
疲劳破坏是机械结构最主要的失效形式,而疲劳是一个复杂的问题,至今还未能建立起明确的数学模型,只有通过疲劳试验机进行的疲劳性能测试才能得到比较可靠的疲劳性能数据。 |
| 7. | 3 . to evaluate and forecast the anti - fatigue effect of cfrp - strengthened concrete beams accurately and scientifically , this text proceeds the fatigue test of three intact beams , studying the fatigue performance of concrete intact beams strengthened with cfrp - sheet
3 、首次在国内进行了三根普通混凝土梁、碳纤维布加固完好混凝土梁的疲劳试验，研究了碳纤维布加固混凝土完好梁的疲劳性能。 |
| 8. | The dynamic characteristics and fatigue property of polyester fiber modified asphalt concrete are investigated in this paper , and the effects of polyester fiber on the viscoelastic characteristic and fatigue performance arc analyzed
摘要采用动态模量试验和间接拉伸疲劳试验研究了聚酯纤维沥青混凝土（纤维掺量为0 . 25 % ）的动态模量特性和疲劳性能，分析了聚酯纤维对沥青混凝土粘弹特性和疲劳性能的影响。 |
| 9. | To aim at this problem , in term to the feature of fatigue loading of bridge , this paper , on the base of analysis of current bridge reinforcement , makes a relative system experiment research and theory analysis for the fatigue performance of cfrp - strengthened concrete beam
本文针对这个问题，在分析现有桥梁结构加固方法的基础上，根据桥梁承受疲劳荷载的特点，对碳纤维布加固混凝土梁的疲劳性能进行了比较系统的试验研究和理论分析。 |
| 10. | The existed material fatigue performance test curves are dealt with and analyzed , and the non - dimensional stress - strain curve , tangent modulus factor curve and fatigue life curve are drawn based on the experiment data , and these three non - dimensional parameter curves are used to find the inherent rules that the test curves can be replaced each other to some extent . it can be concluded that if the common character and system error of these materials are found , the test curve of a certain material can be used for reference by another material . this is a simple approach about fatigue life estimate and is engineering practical
对已有的材料力学疲劳性能试验曲线进行分析整理，利用试验数据绘制了相对应力应变曲线、切线模量因子曲线和疲劳寿命曲线，利用这三种无量纲参数曲线发现了其中存在的规律性，即在某种程度上实验曲线可以互相取代，并用试验数据对此进行了讨论，并由此推断，如果找出材料彼此的共性或彼此之间的系统误差就可以将一种材料的试验曲线供其它材料参考使用，这是一种估算材料的疲劳寿命的简便方法，对工程而言具有实用性。 |
