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  4. About the stability of transition points in geometric leveling

About the stability of transition points in geometric leveling

ISTCGCAP.
1990;
Volume 52, 1990, Number 52, 1990
: 71-74
Authors:
  1. O. I. Tereshhuk
  2. M. I. Kravcov
  3. V. I. Lihovid
1
National Technical University of Chernihiv; Lviv Polytechnic National University
2
Lviv Polytechnic National University
3
Lviv Polytechnic National University

Recently, much attention has been paid to the development and application of various types of crutches, in particular screw-type [1, 3], whose application is more expedient, since their vertical movements are much smaller than those of ordinary ones. There are only questions about their shape, thread sizes and ways of screwing into the ground.

geometric leveling
stabillity
transition points
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  2. Pavlov P. V., Pnevskij P. I. Issledovanie ustojchivosti kostylej korotkim vizirnym luchem // Geodezija, kartografija i ajerofotosemka. 1983. Vyp. 37.
  3. Pnevskij P. I. Razrabotka metodov vyjavlenija i ucheta pogreshnostej, obuslovlennyh neustojchivost'ju reperov i perehodnyh tochek. Avtoref. dis. ... kand. tehn. nauk. L'vov, 1984.