RTB-V5M Thermal Drilling Machine,
Abstract
The RTB-V5M wide-range manual air gas jet thermal drilling machine was developed, capable of drilling in rock-free frozen soils as well as in soils containing rock inclusions. The drilling speed in rock-free frozen soil for a borehole diameter of 50-80 mm is 40-60 m/hr in sand and sandy loam, 20-40 m/hr in loam, and 15-20 m/hr in clay. The drilling speed in frozen soil containing rock inclusions varies from 6-8 to 40-50 m/hr.
Document Details
- Document Type
- Technical Report
- Publication Date
- Apr 16, 1974
- Accession Number
- AD0781966
Entities
People
- I. P. Goldaev
- N. N. Popov
- V. E. Kaleberda
Organizations
- United States Army Foreign Science and Technology Center