Application and analysis of right helicoidal shells
Drilling machines with drilling elements as helicoid are widely used while making of drilling auger, round section testpit and so on in crust for exploration of geological structure, searching, prospecting, minerals extraction, engineering geological research. Helicoidal shells can be designed as ri...
| Main Author: | |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Peoples’ Friendship University of Russia (RUDN University)
2009-09-01
|
| Series: | RUDN Journal of Engineering Researches |
| Subjects: | |
| Online Access: | http://journals.rudn.ru/engineering-researches/article/view/5005 |