1. ISTCGCAP
  2. All Volumes and Issues
  3. Volume 60, 2000
  4. Field studies of checkmarking of checkered rails by the combination method

Field studies of checkmarking of checkered rails by the combination method

ISTCGCAP.
2000;
Volume 60, Number 60
: 58-64
Authors:
  1. A. L. Ostrovskij
  2. V. Novosad
1
Lviv Polytechnic National University
2
Lviv Polytechnic National University

Have been estimated the precision of staff counting out in geometric leveling. On the base of special estimation have been estimate the influence on staff counting out: error of superposition middle thread with centimetre divisional edge, distance from the level to staff, error of bubble tube leveling and staff quality.