精品文献
识别动力管线
基于强震记录的建筑结构动力特性的初步识别
利用喜来登环球旅馆于1994年北岭地震中获得的强地震反应观测记录,初步识别了该旅馆结构恢复力的时变特性,分析了结构刚度在地震过程中的时变规律,并对该结构的表现做出初步解释。喜来登旅馆结构体系在立面上并不是均匀布置,于四层处发生较大改变,导致结构刚度发生变化。从初步识别结果上看,一至三层的刚度明显高于其他各层,三至九层刚度退化得最快,应该是结构刚度突变所致。该工作可作为进一步研究喜来登旅馆这类建筑结构实际抗震性能的基础。
基于动力特性的工程结构损伤识别技术(二)
基于动力特性的工程结构损伤识别技术(二)
Considering the technique for the damage identification base on the dynamic characteristics is an effective way of identifying the structure damages,the present research development for this technique on its dynamic characteristics is told,the damage identifying method and its principle on the basis of structure vibration response and the system's dynamic parameters is remarked and some questions about this method waiting to be studied further is put forward.
