综述了结构损伤检测的方法。
A review of structural damage detection is presented in this paper.
结构模态参数的测试是进一步进行结构动力响应计算、结构损伤检测等的重要基础。
The testing of structural modal parameters is an important basis of dynamic response analysis and structural damage detection.
用神经网络进行结构损伤检测、分析的有效性在很大程度上取决于训练样本的好坏。
The validity of structural damage detection using neural network strongly depends on the training sample.
利用结构的振动响应和系统动态特性参数进行结构损伤检测是目前国内外研究的热点和难点。
The structural damage detection method based on structural vibration response and systemic dynamic parameters is a difficult and growing interest problem in nondestructive evaluation (NDE).
在结构的损伤检测中，由于传感器数目、测试噪声等因素，限制了结构损伤检测与识别的能力。
Because of effect of sensor Numbers and test noise, detectability and recognition capability are restricted in structure damage detection.
压电阻抗技术是一种基于智能材料的结构损伤检测新技术，在结构健康监测领域有着广泛的应用前景。
Piezoelectric impedance technology which is based on smart material is a brand-new method for structural damage detection, and it could be widely applied in structure health monitoring field.
本文简要地总结了目前主要的基于振动的结构损伤识别方法，讨论了结构损伤检测所面临的主要问题。
Vibration-based structural damage identification approaches are summarized and the important problems which trouble the structural damage identification are discussed in the paper.
采用经验模式分解(EMD)与小波分析相结合的方法探讨结构响应数据信号，进行建筑结构损伤检测诊断。
The use of empirical mode decomposition (EMD) method and wavelet analysis in combination is explored for the detection of changes in the structural response data from structural damage diagnosis.
但是，目前结构的损伤检测与诊断研究多集中在桥梁、高层等结构上，针对大跨度空间结构损伤检测与诊断的研究很少。
But, presently the research on damage detection and diagnosis of structure focus on bridge and tier building, and the research on large space structures are few.
损伤位置识别是对大型桥梁结构进行损伤检测的重要一步。
Identification of damage locations is an important step in damage detection for large-scale bridge structures.
文章给出了基于小波分析的信号奇异性检测理论，通过对突变信号进行小波分析可以发现结构的损伤情况。
The signal singularity detection theory based on wavelets analysis is given. Through the study of those singularity, the damage situation of the structure may be discovered.
针对剪切型框架结构提出了分步损伤检测的方法。
A two-step detection of damage for shear frame structures was presented.
介绍了地下管线内损伤电视检测系统的基本结构、工作原理、主要技术参数及其现场试验情况。
This article introduced the basic structure, principle, major technical parameters and the field test situation of the television detecting system of inner damages of underground pipeline.
因此，桅杆结构的损伤识别与检测方法研究对提高重要生命线工程结构的安全性具有重要意义。
Therefore, the research of damage identification for guyed masts is critical to improve the safety of lifeline engineering structures.
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.
因此对预应力结构开展损伤检测和评估已显得十分迫切。
Therefore, it is urgent and necessary to apply the damage detection and evaluation to pre-stressed structures.
通过对结构进行损伤检测与诊断可以及时发现结构中存在的安全隐患，避免重大事故的发生。
The hidden trouble of structure can be detected in time, and accident can be avoided by the damage detection and diagnosis.
因此，就此类损伤而言，可以考虑用位移积分这一新的损伤指标对结构的损伤进行检测和分析。
Hence, for such kind of damage, using the new damage indicator, namely, displacement integration, to identify structural damage should be paid more attention.
钻芯法、拔出法等局部破损检测方法，由于所造成的局部损伤不危害结构安全，所以广义的理解，也将其计入非破损检测范畴。
The partial disrepair methods, as drilling method, pulling-out method and so on, also belong to the non-disrepair inspection methods in broad sense because that using this type methods .
漏磁检测是一个新的无损检测技术，它能快速准确发现钢结构损伤和缺陷。
Magnetic Flux Leakage detection is a new nondestructive testing technique and can be used for the rapid and accurate detection of the flaw and defect for steel structure.
从这个现象中获得的信息表明，它非常适宜应用到宇航结构件在生产线的无损检测和疲劳损伤预报。
It is well suited for monitoring in line production in structural components for the aerospace about detection of damage and progressive fatigue damage.
由于火灾对建筑物造成的影响具有一定的不确定性，与普通建筑物的检测鉴定相比，对受火灾损伤的建筑物结构安全性更难直接准确的进行评估。
Because the influence of fire on building is uncertain, it is rather difficult to evaluate exactly the safety of building after fire compared with the test and appraisal of common buildings.
总结了通过试验及计算进行桥梁检测和评估的难点，以及进行桥梁整体结构与局部损伤研究的一种途径和方法。
Then, the difficulty for mechanical checking from those was given, and a research way for total property and local damaging of bridge structure was pointed out.
在现阶段，桥梁健康检测、桥梁损伤识别和状态评估来确保结构设计寿命内的安全运营已成为关注的课题。
At this stage, the bridge health monitoring, damage identification and condition assessment to ensure that the structure of the safe operation within the design life has become a concern.
试验结果表明，该方法能有效地监测结构振动过程中的损伤，以及检测结构刚度损失的大小。
Test results showed that the proposed method is effective for health monitoring and damage detection of the considered structure.
复合材料容器结构的在线损伤检测可以通过粘贴在结构表面的压电智能材料和基于振动分析基础上的信号处理来完成。
The in-situ active damage detection of composite structure can be implemented using surface-bonded piezoelectric patches with signal processing based on vibration analysis.
根据斜拉桥结构在振动时受损部位的振动信号的奇异性，利用小波奇异性检测理论分析斜拉桥结构在受损时的振动信号，判断结构损伤情况。
Based by singularity of vibration signal of damage position on cable-stayed bridge as vibrating, we can analyze vibration signal when cable-stayed bridge is damaged to estimate structure damage.
为了对钢桁架结构的损伤情况进行比较准确的检测，应用了柔度曲率幅值突变系数法。
For precisely testing the damage of the steel truss, the method of the sudden change coefficient of the flexibility curvature was used.
为了对钢桁架结构的损伤情况进行比较准确的检测，应用了柔度曲率幅值突变系数法。
For precisely testing the damage of the steel truss, the method of the sudden change coefficient of the flexibility curvature was used.
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