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148 views
03:41 Feb-27-1999
young chul jung
Detection of defects on Concrete using Lamb waves.

Please tell me the possiblity to success this inspection.

I am using:
Frequency 50kHz
Size of specimen 31cm
Defect types: honeycombed, water filled & air defect inside concrete about middle of the specimen.

Problem:

not consistence
Too sensitive.
Large thickness.
Higher mode due to large thickness.

Suggestion:

I need some suggestion for my master & Ph.d thesis doing this research.
please feel free to comment and give me some hope and advise for my study at university.





 


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