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Technical Discussions
Rolando Gonzalez-Pena
Rolando Gonzalez-Pena
08:57 Dec-12-2000
Asking information about optical application in Civil engineering

Dear colleagues:

I would want to ask you some questions can help me to
find answers related to my PhD thesis. The main
subject of my thesis is to prove possibilities of
speckle interferometry technique as a non-destructive
method to measure the displacement field in structural
element such as shearwalls and building model. For
this purpose I need to know if have you seen the
modeling of structural elements such as shearwalls by
optical techniques.

I also used an electronic speckle pattern
interferometry to measure dynamic Young modulus in
cementitious materials. In this experiment
interferometry technique was combined with
longitudinal resonance method to measure resonance
frequency by using the quantities of fringe that
appear over the specimen. Have American Concrete
Institute reported the Young modulus measurements by
optical techniques, for example: holographic technique
and speckle interferometry technique? Could you
comment the most important advantages and drawbacks
that the ultrasonic method has when is used to measure
the elastic modulus?

I will appreciate any opinion you can suggest me

Best regards

Prof. Rolando Gonzalez-Peña



 
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