Deadweight dropping type wave source

PCT No. PCT/JP92/01418 Sec. 371 Date Jul. 8, 1993 Sec. 102(e) Date Jul. 8, 1993 PCT Filed Nov. 2, 1992 PCT Pub. No. WO93/09448 PCT Pub. Date May 13, 1993.In a bore holes, a plurality of resilient members and plates are piled up alternately to form a laminate, and a deadweight is dropped onto the lam...

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Bibliographic Details
Main Author OGURA; KIMIO
Format Patent
LanguageEnglish
Published 16.05.1995
Edition6
Subjects
DETECTING MASSES OR OBJECTS
GEOPHYSICS
GRAVITATIONAL MEASUREMENTS
MEASURING
PHYSICS
TESTING
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Summary:PCT No. PCT/JP92/01418 Sec. 371 Date Jul. 8, 1993 Sec. 102(e) Date Jul. 8, 1993 PCT Filed Nov. 2, 1992 PCT Pub. No. WO93/09448 PCT Pub. Date May 13, 1993.In a bore holes, a plurality of resilient members and plates are piled up alternately to form a laminate, and a deadweight is dropped onto the laminate. The resilient members are deformed due to the impact force of the dropped deadweight to cause bore hole water among the plates to be forced out in the outward direction, and elastic waves to occur in the bore hole wall.
Bibliography:Application Number: US19930084263