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Wyszukujesz frazę "Terrestrial Laser Scanner (TLS)" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Remote sensing to estimate saturation differences of chosen building materials using Terrestrial Laser Scanner
Autorzy:
Suchocki, Cz.
Katzer, J.
Panuś, A.
Powiązania:
https://bibliotekanauki.pl/articles/106746.pdf
Data publikacji:
2017
Wydawca:
Politechnika Warszawska. Wydział Geodezji i Kartografii
Tematy:
TLS
Terrestrial Laser Scanner
intensity
saturation
building materials
skaner laserowy
skaner naziemny
intensywność
nasycenie
materiały budowlane
Opis:
Terrestrial Laser Scanner (TLS) method which is commonly used for geodetic applications has a great potential to be successfully harnessed for multiple civil engineering applications. One of the most promising uses of TLS in construction industry is remote sensing of saturation of building materials. A research programme was prepared in order to prove that harnessing TLS for such an application is viable. Results presented in the current paper are a part of a much larger research programme focused on harnessing TLS for remote sensing of saturation of building materials. The paper describes results of the tests conducted with an impulse scanner Leica C-10. Tests took place both indoors (in a stable lab conditions) and outdoors (in a real environment). There were scanned specimens of the most popular building materials in Europe. Tested specimens were dried and saturated (including capillary rising moisture). One of the tests was performed over a period of 95 hours. Basically, a concrete specimen was scanned during its setting and hardening. It was proven that absorption of a laser signal is influenced by setting and hardening of concrete. Outdoor tests were based on scanning real buildings with partially saturated facades. The saturation assessment was based on differences of values of intensity. The concept proved to be feasible and technically realistic.
Źródło:
Reports on Geodesy and Geoinformatics; 2017, 103; 94-105
2391-8365
2391-8152
Pojawia się w:
Reports on Geodesy and Geoinformatics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Headframe modelling accuracy for finite element method analysis purposes
Autorzy:
Biel, D.
Lipecki, T.
Powiązania:
https://bibliotekanauki.pl/articles/106857.pdf
Data publikacji:
2018
Wydawca:
Politechnika Warszawska. Wydział Geodezji i Kartografii
Tematy:
3D modelling
TLS
terrestrial laser scanner
headgear
headframe
finite element method
modelowanie 3D
skaner laserowy
wieża szybowa
wieża wyciągowa
metoda elementów skończonych
Opis:
Nowadays, the growing popularity of terrestrial laser scanners (TLS) allows to obtain a point cloud of many industrial objects along with classic surveying. However, the quality and model’s accuracy in comparison to a real shape seem to be a question, that must be further researched. It is crucial especially for Finite Element Method (FEM) analysis, which, being a part of technical design, estimate the values of construction’s dislocation and deformation. The article describes objects such as headgear with steel support and 4-post headframe with steel sheers. Both supports and sheers were modelled basing on point clouds. All the models were compared to the point cloud. The differences in models’ shape were calculated and the maximal values were determined. The results’ usefulness in FEM analysis was described.
Źródło:
Reports on Geodesy and Geoinformatics; 2018, 106; 19-24
2391-8365
2391-8152
Pojawia się w:
Reports on Geodesy and Geoinformatics
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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