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Title:
Možnost merjenja dinamičnega odziva konstrukcij z nekontaktnimi geodetskimi metodami
Authors:
ID
Motoh, Tomaž
(Author)
ID
Skrinar, Matjaž
(Comentor)
ID
Kovačič, Boštjan
(Mentor)
More about this mentor...
Files:
MAG_Motoh_Tomaz_2017.pdf
(4,13 MB)
MD5: A455B7D38665B14906F8BC9D0F4FF439
PID:
20.500.12556/dkum/4f32ac9b-9276-4f7d-9538-db7ede122a3a
Language:
Slovenian
Work type:
Master's thesis/paper
Typology:
2.09 - Master's Thesis
Organization:
FGPA - Faculty of Civil Engineering, Transportation Engineering and Architecture
Abstract:
Poznavanje dejanskega odziva gradbenih konstrukcij na obremenitve je pomemben del pri ocenjevanju stanja in varnosti konstrukcij v njihovi eksploatacijski dobi. Pri objektih, ki so izpostavljeni dinamičnim obremenitvam prometa (npr. mostovi), je potrebno poznati njihovo obnašanje pri cikličnih vplivih. Obstaja vrsta različnih metod za določanje dinamičnih lastnosti objektov, vse bolj pa, hkratno z razvojem opreme, v uporabo prihajajo geodetske metode. Z geodetskimi instrumenti ne merimo več samo statičnih ali zelo počasnih premikov, temveč tudi hitre, dinamične pomike. Robotski tahimeter ali robotska totalna postaja (angl. Robotic Total Station – RTS) je nova generacija geodetskih instrumentov, ki avtomatizirano zajema podatke o spremembi dolžine, horizontalnega kota in vertikalnega kota med robotsko postajo in tarčo v gibanju. V delu so na kratko predstavljeni primeri uporabe metode RTS na premostitvenih konstrukcijah drugih avtorjev. Podrobneje je opisan algoritem za določanje srednje amplitude harmoničnega nihanja in metodi spektralne analize vzorčenih podatkov. Sledi kratka predstavitev uporabljene robotske postaje ter obsežnejši eksperimentalni del, ki je razdeljen na tri dele: laboratorijski test metode na lameli, analiza dinamičnih odzivov mostu za pešce in analiza dinamičnih lastnosti železniškega mostu.
Keywords:
gradbeništvo
,
geodezija
,
dinamični odziv konstrukcije
,
meritve
,
analiza
Place of publishing:
Maribor
Publisher:
[T. Motoh]
Year of publishing:
2017
PID:
20.500.12556/DKUM-69190
UDC:
528.02:624.21.042.8(043.2)
COBISS.SI-ID:
21231382
NUK URN:
URN:SI:UM:DK:QKR136NO
Publication date in DKUM:
19.12.2017
Views:
1741
Downloads:
136
Metadata:
Categories:
KTFMB - FG
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:
MOTOH, Tomaž, 2017,
Možnost merjenja dinamičnega odziva konstrukcij z nekontaktnimi geodetskimi metodami
[online]. Master’s thesis. Maribor : T. Motoh. [Accessed 20 April 2025]. Retrieved from: https://dk.um.si/IzpisGradiva.php?lang=eng&id=69190
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Licences
License:
CC BY-NC 4.0, Creative Commons Attribution-NonCommercial 4.0 International
Link:
http://creativecommons.org/licenses/by-nc/4.0/
Description:
A creative commons license that bans commercial use, but the users don’t have to license their derivative works on the same terms.
Licensing start date:
05.12.2017
Secondary language
Language:
English
Title:
The possibility of measuring dynamic response of structures using non-contact geodetic methods
Abstract:
Being familiar with the actual response of civil engineering structures to impact of loads is an important part of assessing the condition and safety of structures in their exploitation period. Structures that are exposed to dynamic loads of traffic (e.g. bridges) require the knowledge of their behavior in case of cyclical effects. There are number of different methods for determining the dynamic parameters of structures. More and more, simultaneously with the development of instruments, geodetic methods are employed. Surveying instruments used to measure static or very slow movements but nowadays they allow quick, dynamic observations. Robotic Tachymeter or Robotic Total Station (RTS) is the new generation of geodetic theodolites that automatically captures data like change of length, horizontal angle and vertical angle between the RTS and the reflector or target in motion. This paper briefly presents the examples of RTS dynamic response measurements of bridges by other authors. The algorithm for determining the mean amplitude of harmonic oscillation and the method of spectral analysis of the sampled data are described in detail. This is followed by a brief presentation of the robot total station used and a larger experimental part, divided into three parts: the laboratory test of the method on the lamellae, the analysis of the dynamic responses of the pedestrian footbridge and the analysis of the dynamic properties of the railway bridge.
Keywords:
Civil engineering
,
geodesy
,
dynamic response of the structure
,
observations
,
analysis
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