Use of laser directional signs in St. Petersburg subway construction
About authors
- 1 — Saint Petersburg Mining University
- 2 — Санкт-Петербургский горный ин-т
Abstract
The history of an introduction of the laser of direction is described at building undergrount of city, and also the characteristic of a modern park of the laser of direction and problem of usage them for today is given.
Область исследования:
(Archived) Without section
Similar articles
State and prospects of methods and techniques of mine surveying in the coal industry
2001 S. P. Smirnov
Improvement of methods for determining the upper boundary of water-conducting fracture zone
2001 V. N. Gusev, N. G. Nikiforova