EXPERIMENTAL VALIDATION OF THE USE OF ENERGY TRANSFER RATIO (ETR) FOR DAMAGE DIAGNOSIS OF STEEL-CONCRETE COMPOSITE BEAMS

被引：5
|
作者：
Wroblewski, Tomasz [1 ]
Jarosinska, Malgorzata [1 ]
Abramowicz, Malgorzata [1 ]
Berczynski, Stefan [2 ]
机构：
[1] West Pomeranian Univ Technol, Dept Theory Struct, Szczecin, Poland
[2] West Pomeranian Univ Technol, Inst Mfg Engn, Szczecin, Poland
来源：
JOURNAL OF THEORETICAL AND APPLIED MECHANICS | 2017年 / 55卷 / 01期
关键词：
damage diagnosis; energy transfer ratio (ETR); steel-concrete composite beams; SHEAR CONNECTORS;
D O I：
10.15632/jtam-pl.55.1.241
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
The paper presents changes of modal parameters such as natural frequencies, damping ratios and energy transfer ratios (ETR) following damage of the connection of a steel-concrete composite beam. Sensitivity analysis of the parameters is conducted both for numerical simulation and experimental results. The energy transfer ratio ETR is determined: i) for the whole beam - as a global parameter which can be used for damage detection, ii) for segments of the beam - as a local parameter which can be used for damage localisation.
引用
收藏
页码：241 / 252
页数：12
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