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Waler
| Глоссарий по проходческим щитам (тоннелингу) |
Beam used within a braced excavation as support to control wall deflections.
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Excavation, английский
- An area where rock or alluvium has been removed.
- An area where rock has been removed
- The process of digging or the hole which results.
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Ground cover, английский
Distance between the ground surface and the crown of the pipe.
Cutter wheel, английский
Any rotating tool or system of tools on a common support that excavates at the face of a bore.
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