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Borebit
| Diamond Glossary (алмазы и бриллианты - глоссарий терминологии) |
- An obsolete name for core bit.
- As used by soil and foundation testing engineers, any type of cutting head or bit that is rotated to cut through or take a sample of soil, overburden, or bedrock materials.
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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
Overburden, английский
- Вскрышной слой (поверхностный слой грунта, удаляемый перед открытой добычей угля)
- Перегружать
- Clay, sand, boulder clay, and other un-consolidated materials overlying bedrock. also called burden, cover, drift, mantle, surface.
- The worthless material covering a body of useful mineral.
- Вскрышной слой грунта; вскрышная порода; перегрузка, чрезмерная нагрузка
- (a) the upper part of a sedimentary deposit, compressing and consolidating the materials below. (b) the loose soil or other unconsolidated material overlying bedrock, either transported or formed in place (synonym for regolith). gg
- Overlying rock, or soil.
- The soil and rock supported by the roof of a tunnel.
- Вскрыша
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Boring head, английский
- The part of a drill machine more commonly called swivel head by persons associated with the diamond-drilling industry. see swivel head.
- Drill bit,
Bock bit, английский
- Any one of many different types of roller bits used on rotary-type drills for drilling large-size holes in soft-to-medium-hard rocks; also sometimes applied to drag-type bits. see drag bit, roller bit.
- In mining, a detachable-type chisel or cruciform bit used on percussive drills to drill small-diameter holes in rock.
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