Re: US soil penetration

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Re: US soil penetration
Posted by: Martin Krause , E-mail: krause@zfpbau.bam-berlin.de, on June 04, 1997 at 08:51:35:
In Reply to: US soil penetration posted by : Eugene Suchcicki on June 03, 1997 at 05:59:00:
:
: Is anybody familiar with US application for testing soil structure for layers.
: Is there any available information how to design transducers for such application.
: What would be the practical range (soil/earth penetration) for 50 Watts transducer (40kHz-200kHz)
: Any information is highly appreciated.
: Regards,
: Eugene Suchcicki (suchcice@par18.aph.gov.au)
We use ultrasonic transducers in the range of 100 kHz for testing of concrete members (see our paper published in this workshop). It works for concrete with an aggregate size of 32 mm by means of synthetic aperture technique.
I am a little bit sceptical if it can work for soils because of air inclusions and cracks.
Martin Krause

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: : : : Is anybody familiar with US application for testing soil structure for layers. : : Is there any available information how to design transducers for such application. : : What would be the practical range (soil/earth penetration) for 50 Watts transducer (40kHz-200kHz) : : Any information is highly appreciated. : : Regards, : : Eugene Suchcicki (suchcice@par18.aph.gov.au) : We use ultrasonic transducers in the range of 100 kHz for testing of concrete members (see our paper published in this workshop). It works for concrete with an aggregate size of 32 mm by means of synthetic aperture technique. : I am a little bit sceptical if it can work for soils because of air inclusions and cracks. : Martin Krause

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