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The influence of pillar displacements on geodetic measurements
ID
Močnik, Robert
(
Author
),
ID
Koler, Božo
(
Author
),
ID
Zupan, Dejan
(
Author
),
ID
Ambrožič, Tomaž
(
Author
)
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MD5: 170DAB8E9C06D128F46F4DAE7516D4EE
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https://www.mdpi.com/2076-3417/10/23/8319
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Abstract
This paper deals with the effects that displacements of the measuring pillar have on precise geodetic measurements. The changes in the position of the control points on the object or its surroundings can only be determined with well stabilized and stable reference points. These points are usually stabilized with measuring pillars which are not always constructed in an optimal manner. If they are placed in a dark tube with a high absorption factor, solar heating on one side of the pillar can cause the pillar to deflect considerably due to the temperature difference on the two sides of the pillar. This paper presents the influence of such a displacement, if the pillar is a survey point, orientation point, or control point. We show that even small displacement of the survey point can have important influence on all measurements and that the error in some cases significantly increases, e.g., if the standard deviations of the coordinates of the survey point are 1 mm and their covariance is assumed to be zero, the standard deviation of the distance between measured and exact position of the control point exceeds the value of 2.2 mm.
Language:
English
Keywords:
geodesy
,
influence of temperature
,
deflection of the measuring pillar
,
displacement of the measuring pillar
,
control measurements
Work type:
Article
Typology:
1.01 - Original Scientific Article
Organization:
FGG - Faculty of Civil and Geodetic Engineering
Publication status:
Published
Publication version:
Version of Record
Year:
2020
Number of pages:
15 str.
Numbering:
Vol. 10, iss. 23, art. 8319
PID:
20.500.12556/RUL-124726
UDC:
528
ISSN on article:
2076-3417
DOI:
10.3390/app10238319
COBISS.SI-ID:
41244419
Publication date in RUL:
12.02.2021
Views:
1010
Downloads:
205
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Record is a part of a journal
Title:
Applied sciences
Shortened title:
Appl. sci.
Publisher:
MDPI
ISSN:
2076-3417
COBISS.SI-ID:
522979353
Licences
License:
CC BY 4.0, Creative Commons Attribution 4.0 International
Link:
http://creativecommons.org/licenses/by/4.0/
Description:
This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.
Licensing start date:
01.12.2020
Secondary language
Language:
Slovenian
Keywords:
geodezija
,
vpliv temperature
,
deformacija stebra
,
premik stebra
,
kontrolne meritve
Projects
Funder:
ARRS - Slovenian Research Agency
Project number:
P2-0227
Name:
Geoinformacijska infrastruktura in trajnostni prostorski razvoj Slovenije
Funder:
ARRS - Slovenian Research Agency
Project number:
J2-8170
Name:
Nelinearna dinamika prostorskih okvirjev z izpolnjeno kinematično kompatibilnostjo za zahtevno uporabo v industriji
Funder:
ARRS - Slovenian Research Agency
Project number:
J2-9224
Name:
Večparametrično dinamično modeliranje plastovitih močno nehomogenih elastičnih struktur
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