La sonde VPRH (LCPC 1978)
This 16mm film, produced in 1978 by the Central Laboratory for Bridges and Roads, presents the VPRH (vibration, percussion, hydraulic rotation) probe. It details the principle of vibropercussion and alternating rotation applied to a drilling unit, in geological reconnaissance and shallow drilling. Find all our archives on the CLAP channel: https://clap.univ-eiffel.fr/channels/... © Gustave Eiffel University - LCPC - All rights reserved 2026 _______________ 🎓 Learn more about Gustave Eiffel University (#UnivEiffel): → https://www.univ-gustave-eiffel.fr/ → / universitegustaveeiffel → https://bsky.app/profile/univeiffel.b... → / universit%c3%a9-gustave-eiffel → / universitegustaveeiffel
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Hydraulic concrete pavement A9 [LCPC 1966]
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