因此，可以得出结论，钢梁裂缝损伤通过监测压电阻抗测量的变化可以被识别。
Therefore, it is concluded that crack damage of steel beams can be identified by monitoring the variations of piezoelectric impedance measurements.
把结构遭受裂缝损伤的应变能变化量作为损伤指标，提出一种新的无损裂缝识别方法。
Strain energy change is used as damage index and a nondestructive crack detection method is proposed.
结果表明，信号幅值对裂缝损伤的变化最为敏感，且随损伤程度的不断增加呈现出不断衰减的趋势。
The results show that the amplitude of the stress signal is the best sensitive to the change of damage among the parameters and it will gradually decay with the increase of damage degree.
水下结构物在水下这种特殊的环境中会受到不同程度的损伤，其中裂缝缺陷是评估结构物安全可靠性的重要因素。
Underwater structure will be damaged in different degree in this kind of particular environment. Among these defections, the crack is the important factor to evaluate the reliability of structures.
疲劳损伤曾使铁路桥梁失效，疲劳裂缝的存在使海洋钻井台倒塌倾覆，酿成悲剧。
Fatigue damage once invalidated railway bridge, fatigue crack ever resulted in collapse of artesian well desk in ocean.
损伤因子和裂缝长度的变化趋势相似，均可以用来评价路面的疲劳寿命。
Fatigue span of pavement is predicted by judging damage factors and varied crack length.
然后研究了基于小波包分析的结构实时损伤检测技术，并以简支梁裂缝为例说明。
And then, the real-time structural damage detection technology is studied based on wavelet packet analysis. The method is applied to detect simple-supported beam cracks.
基于损伤力学理论，建立了沥青路面反射裂缝问题的损伤力学守恒积分，证明了在反射裂缝形成过程中应变能密度的守恒性。
The conservative integral of damage mechanics for the reflective cracking in asphalt pavements is established based on the elastic damage theory developed by the authors.
本文主要探讨当混凝土大坝出现损伤时(如裂缝)，各种损伤指标法对混凝土大坝的适用性。
This thesis mainly probes into the applicability of various damage indices to the dam when there is any damage (for example a crack).
结果表明，随着损伤程度的增加，碳纤维布加固后框架的最大裂缝宽度越大、碳纤维布应变滞后也越大；
The results show that the longer the damaged degree, the widther the cracks and the more the CFRP strain delay.
水力压裂后，当微裂缝闭合时初始损伤带的诱导应力导致围岩应力重新分布。
The induced stress of initial damage zone results in the redistribution of surrounding rock stress when the micro-crack closes after hydraulic fracture.
文章对一些常见的混凝土构件裂缝作了分类研究和损伤定位分析，介绍一种评价方法，旨在为混凝土结构的养护、管理提供参考。
A method of evaluating the crack and damage is introduced. The presented work is beneficial to the maintenance and management of concrete structures.
国外将损伤力学理论引入到水力裂缝模型中，使裂缝模拟更加接近实际，从而推进了水力裂缝动态行为的理论研究。
The continuous damage mechanics theory was applied in hydraulic fracture models and finally could make the results of fracture simulation meet actual conditions in recent years.
通过水中爆炸波对水泥试样的损伤破坏实验来模拟水力裂缝层内爆炸采油中激波使岩石损伤开裂的现象。
Based on the experiments of exploding on the surface of the cement sample, the phenomenon of the rock damage and fracture by shock waves in exploding was simulated.
介绍了一种利用损伤力学方法计算具有均匀分布的节理型裂缝的块体的损伤弹性的方法 。
This paper introduces a damage mechanics method to calculate the damage elasticity for jointed rock mass.
介绍了一种利用损伤力学方法计算具有均匀分布的节理型裂缝的块体的损伤弹性的方法 。
This paper introduces a damage mechanics method to calculate the damage elasticity for jointed rock mass.
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