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Triple-tube core barrel
| Diamond Glossary (алмазы и бриллианты - глоссарий терминологии) |
A special core barrel used to take soil samples, as in foundation testing. the inner tube is swivel mounted and nonrotating and extends through, and a short distance beyond, the bit. hence, the bit only cuts clearance for the outer tube or core-barrel assembly, and the core taken by the inner tube is cut by a spudding action. the triple or core tube is mounted inside the inner tube to receive the core and is split longitudinally to facilitate removal of the core. also called glay barrel.
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Foundation, английский
- The soil, subsoil or rock upon which a structure is supported.
- The supporting portion of a structure below the first floor construction, or below grade, including the footings.
- Основание; фундамент; база
- Основание
- See base rock 1 and
- The base and/or the underlying support, either natural or artificial, on which a building, dam, or other structure is constructed.
- Нагрузка на фундамент; ~ оп the member нагрузка, действующая на элемент конструкции; ~ per
- Основание; фундамент о ~
- Part of a construction work including piles and possibly their pile cap
- Фонд, пожертвованный на культурные начинания учреждение или организация, существующие на пожертвованный фонд
Facilitate, английский
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Clay-boring bit, английский
A special coring bit used on split-inner-tube core barrels. thickness of bit face is reduced and inside shoulder is not inset with diamonds, to allow a sharp-edged extension of the inner barrel to extend through and project a short distance beyond the face of the bit. also called clay bit, mud bit.
Slit-side solid sampler, английский
A solid-tube sampler with a slight worm twist on the bottom and an offset slit in the side. when rotated, the lip of the slit scrapes a sample from the side of a borehole.
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