在役结构因其原始指纹不易获得，使得对其进行损伤检测存在一定的困难。
For in-service structure it is difficult to con duct destructive test since its original finger print is hard to obtain.
这项研究将为许多在役中人们无法直接观察或量测的复合材料结构的在线健康监控提供新的技术支持。
The method developed in this paper can help build the system of online damage detection and health monitoring of composite material structures when they cannot be directly observed or measured.
该分析方法计算简便，为在役钢筋混凝土结构的安全评估和修复加固提供了一种计算可靠度的参考方法。
The method is simple and convenient, and a reference method of calculating the reliability for the safety assessment and strengthening of the existing RC structure can be provided.
如何对在役钢筋混凝土结构的耐久性进行评定和预测已成为一个迫切需要解决的课题。
How to assess the durability and predict the residual service life of existing reinforced concrete structures has become an urgent problem.
文章在介绍漏磁法无损检测的基本原理的基础上，详述了在役管线无损检测设备的总体结构及各部分的设计。
On the basis of the principle of leaky magnetic flux detecting, the design of the detecting equipment of working pipelines is expatiated including the overall structure and each part.
为精确评估在役钢结构的安全寿命提供了理论依据。
It provides a theoretical basis for precisely evaluating the safe life of in service steel structure.
在役建筑结构的维修加固改造业是二十一世纪最受欢迎的九大行业之一。
The industry of maintenance, reinforcement and reconstruction for the existing building structure is one of the most popular industries in the nine major industries of twenty-first century.
对在役钢结构吊车梁进行定期、不定期的检查是避免发生疲劳失效的最有效方法。
It is an effective method to carry out regularly inspection on steel crane girder structures in order to prevent from fatigue failure.
如何充分发挥在役桥梁结构在交通网络中的作用、如何实现有效管理是桥梁养护管理部门十分关心的课题。
To make good use of the bridge structure in the transportation network, and to achieve effective management are very important to the bridge maintenance department.
以桥墩的基本振型函数为基础，推导出基于试验动力参数的在役桥梁结构延性系数的计算公式，并给出了结构非弹性地震力的求解方法。
Based on the piers mode shape function, this paper studied the methodology of structure ductility coefficient by modal test and the procedure of the structures inelastic seismic force.
通过实际工程检验，评价结果直观简单，较好地反映了在役桥梁结构的安全性状况，证明了该评价方法的可行性与实用性。
The method is proved feasible and practical through being applied to the practical project, with an intuitionist and simple result of evaluation reflecting the safety status of existing bridge.
通过实际检测数据的统计分析结果，提出了在役混凝土结构强度检测中的测区数量合理值。
The reasonable number of the measuring areas for this sort of detection is also proposed by the statistical results from actually measured data.
本文对某在役桥梁结构进行了全面的结构检测及静载试验研究，为旧有在役桥梁结构的检测鉴定及进一步的维修加固提供了参考及依据。
This paper introduces the structural inspection and dead-load experiment of certain service bridge structure, which provide the reference and basis for further research.
阐述超声检测技术在在役输油管道检测中的应用，提出一种新型结构的在役管道检测爬机，对该结构爬机的一些关键技术进行了论述。
The application of ultrasonic technique to the inspection of inservice oil pipelines is discussed and a new type of pig is put forward. The key points of the intelligent pig are described.
提出了基于可靠性与经济优化相结合的在役混凝土结构剩余使用寿命的评估准则，并建立了在役混凝土结构剩余使用寿命预测的优化模型。
In this paper, an assessment criterion for remaining service life of existing concrete structures is put forward based on theory of reliability and economic optimization.
某些在役刚架拱桥因设计理论不成熟、施工经验不足及车辆超载导致结构损伤严重，病害情况尤其显得突出。
The disease of some existing rigid-frame arch bridge are especially severe because of immaturity design theory and deficiency of construction experience.
梅山3号高炉处于炉役后期，炉缸为陶瓷杯结构，侵蚀较严重。
The No 3 BF of Meishan with the hearth of ceramic cup is at the later stage of campaign and its hearth has been eroded badly.
最后通过算例验证该评估方法的应用，可作为在役钢结构吊车梁疲劳可靠性检测评估的一种方法。
An example is provided to verify the present method, which can be used in the evaluation of fatigue reliability and...
最后通过算例验证该评估方法的应用，可作为在役钢结构吊车梁疲劳可靠性检测评估的一种方法。
An example is provided to verify the present method, which can be used in the evaluation of fatigue reliability and...
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