Temat: facades - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Influence of outdoor advertisements on architecture in the City of Lublin
Wpływ zewnętrznych nośników reklamowe na architekturę miasta Lublin
Autorzy:: Kozak, Małgorzata
Powiązania:: https://bibliotekanauki.pl/articles/27314360.pdf
Data publikacji:: 2022
Wydawca:: Politechnika Lubelska. Wydawnictwo Politechniki Lubelskiej
Tematy:: billboard
outdoor advertisements
building facades
visual pollution
destructive effect
Opis:: Polish cities are currently facing an issue of intrusive billboards obstructing the faacades of buildings. While the majority of articles on this subject focus on the negative impact this phenomenon, little attention is drawn to the destructive technical effects the advertisements have on the facades. This article addresses phenomenon of visual pollution examins the influence of based on the example of selected buildings located in Lublin’s City Centre. The article analyses the placement of advertising signs, and categorizes of most technical and social problems that it entails. The relation between the occurrence of outdoor advertising and the increase in anti-social behaviour in commercialised space, raised in the article, could be a very important topic for further research. The results of the conducted study reveal that the installation of advertising billboards irreversibly damages the facades of buildings, which is especially visible when the advertisements are removed. The article complements the study on outdoor advertising, drawing attention to one of its little-discussed, technical aspects. Consequently, it may serve as a starting point for further discussion on the subject.
Źródło:: Budownictwo i Architektura; 2022, 21, 3; 35--50
1899-0665
Pojawia się w:: Budownictwo i Architektura
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Analysis of the Applicability of Photogrammetry in Building Façade
Autorzy:: Siewczyńska, Monika
Zioło, Tomasz
Powiązania:: https://bibliotekanauki.pl/articles/27314816.pdf
Data publikacji:: 2022
Wydawca:: Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:: photogrammetry
building facades
3D model
point cloud
inventory
fotogrametria
fasada budynku
model 3D
Opis:: This article evaluates the accuracy of 3D models made from point clouds obtained from photogrammetry. Photographs were taken from ground level and using a drone, and data processing was performed in 3DF Zephyr. The models were compared with the actual dimensions of the buildings. Four different building objects with varying degrees of complexity were analysed. The aim of the research is to analyse the conditions for taking photographs and how they are transformed into a point cloud, and to see how and whether the complexity of the shape of the facade affects the accuracy of the 3D model made from the point cloud. The inaccuracy of the point cloud in the form of point spread for all analysed cases was 1.8±0.4 cm on average. The largest measurement error was found in the case of a multi-storey building. Despite the presented inaccuracies, it was considered advantageous to use the point cloud obtained through photogrammetry in the inventory. No difference was observed in the accuracy of the model depending on the complexity of the building. Recommendations were made regarding the conditions for taking photographs.
Źródło:: Civil and Environmental Engineering Reports; 2022, 32, 3; 182--206
2080-5187
2450-8594
Pojawia się w:: Civil and Environmental Engineering Reports
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Wstępna detekcja stanu elewacji budynków przy wykorzystaniu zobrazowań hiperspektralnych
Initial detection of the condition of building facades using hyperspectral imagery
Autorzy:: Walczykowski, P.
Dąbrowski, R.
Orych, A.
Powiązania:: https://bibliotekanauki.pl/articles/210926.pdf
Data publikacji:: 2012
Wydawca:: Wojskowa Akademia Techniczna im. Jarosława Dąbrowskiego
Tematy:: teledetekcja
technika hiperspektralna
elewacje budynków
spektralne charakterystyki odbiciowe
remote sensing
hyperspectral techniques
building facades
spectral response curves
Opis:: Istnieje wiele czynników powodujących niszczenie zewnętrznej części elewacji budynków. Należą do nich mchy, szkodniki, wilgoć czy grzyby, które często powodują uszkodzenia materiałów kamieniarskich, zewnętrznych części tynków i tym samym ich kruszenie i odpadanie. Czynnikiem, któremu zespół z Zakładu Teledetekcji i Fotogrametrii WAT poświęcił szereg badań i analiz, jest wilgotność. Wywołuje ona gnicie drewna, murszenie cegły, korozję stali, jak również może spowodować mikropęknięcia i odpadanie tynku. Ponadto zawilgocone elementy budowlane powodują wzrost zapotrzebowania na energię grzewczą. Wzrost wilgotności powietrza wewnętrznego budynku staje się również początkiem rozwoju szkodliwych pleśni i grzybów. Zagadnieniem poruszonym w opisanej pracy badawczej jest wykrywanie zawilgoconych obszarów elewacji nieinwazyjnymi metodami teledetekcyjnymi.
There are a great number of factors and processes which can have a negative effect on the facades of buildings. Such damaging processes include weathering, corrosion, salt blooming and biological changes like moss, lichen, moulds and moisture. Most techniques used nowadays to detect these changes either require us to be in close proximity to the analyzed surface or can themselves have damaging effects on the structure (i.e. when drilling or other forms of extraction of material are needed). The research team at the Department of Remote Sensing and Photogrammetry at the Military University of Technology has developed a system which enables the acquisition of hyperspectral images in the 420-1100 nm range. The system is composed mainly of a monochromatic camera and two optoelectronically tunable filters — one in the visible range of the electromagnetic spectrum (VIS 420-720 nm) and the other in the close infrared region (NIR 650-1100 nm). The hyperspectral imaging system is ideal for the detection of the above mentioned changes occurring on buildings. A sequence of images in the 420-1100 nm range with a 10 nm bandwidth and 10 nm step is acquired. Registered images, especially those in the infrared range, can be very useful for detecting of areas of excess moisture on the building surface. The measurement of moisture content has a particular importance, as most aforementioned damages are caused by, higher than average, levels of moisture. Having acquired a hyperspectral image sequence, it is possible to conduct a simple supervised image classification, which will highlight areas of higher moisture content. These areas can then be more closely monitored and analyzed to determine the nature and extent of the damages caused by moisture. As a result, an image representing areas of heightened moisture content on the surface of the buildings facade is created. The proposed hyperspectral technique is noninvasive and allows for the analysis of the entire facade surface at once. It is also possible to acquire a spectral response curve for any chosen point or area on the acquired hyperspectral images.
Źródło:: Biuletyn Wojskowej Akademii Technicznej; 2012, 61, 1; 125-134
1234-5865
Pojawia się w:: Biuletyn Wojskowej Akademii Technicznej
Dostawca treści:: Biblioteka Nauki

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