شماره ركورد كنفرانس :
4560
عنوان مقاله :
Identification of progressive damage in a concrete beam with mode shape curvature method
Author/Authors :
Abdolreza Joghataie Department of Civil Engineering - Sharif University of Technology, Tehran , Amirhossein Shafieyoon Department of Civil Engineering - Sharif University of Technology, Tehran , Alireza Banihashem Department of Civil Engineering - Sharif University of Technology, Tehran
كليدواژه :
Dynamic test , Damage detection , Modal analysis , Reinforced concrete beams
عنوان كنفرانس :
The International Conference on Experimental Solid Mechanics and Dynamics ۲۰۱۲
چكيده لاتين :
A simply supported reinforced concrete beam has been built at the concrete laboratory of Sharif University of Technology. The cross section of the beam has been rectangular and all the reinforcing steel bars have been placed at the bottom of the beam. A progressive damage has been applied to beam first by cutting the concrete cover and then by cutting the reinforcing bars one at a time. The beam has been tested using forced vibration test where an impact hammer has been used to apply the external load. The acceleration of the beam has been recorded based on which the FRFs and then the corresponding modal parameters have been determined. Finally the mode shape curvature method was implemented and the accuracy of this detection method in detecting the extent and location of the applied damages has been discussed.
