Concept
Piston core investigation
| URI | http://vocab.nerc.ac.uk/collection/M16/current/INVEST_PISTON/1/ | |
|---|---|---|
| Within Vocab | Type of geotechnical investigation carried out at a site | |
| Alternative Labels | Piston core | |
| Definition | A geotechnical site investigation carried out with the intention of recovering samples from seafloor substrate using a sampling technique which consists of a heavy weight, above a long metal tube and secured by a trigger arm. When the metal tube impacts the seabed, the trigger arm is released and the heavy weight falls, strikes the metal tube and drives it deep into the seafloor | |
| Date | 2016-05-31T12:37:01 | |
| Identifier | SDN:M16::INVEST_PISTON | |
| Note | accepted | |
| Is Version Of | INVEST_PISTON | |
| version | 1 | |
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