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Wyświetlanie 1-3 z 3
Tytuł:
Construction technology of timber-frame houses resistant to dynamic loads – study on models of exterior walls
Autorzy:
Szczepanski, M.
Migda, W.
Jankowski, R.
Powiązania:
https://bibliotekanauki.pl/articles/102257.pdf
Data publikacji:
2015
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
timber frame house
exterior wall
numerical model
dynamic loads
Opis:
The aim of this paper is to show the numeric representation of experimental studies concerning the behaviour of exterior wall models of a timber-frame house under harmonic loading. A single wall model according to traditional technology of timber-frame house walls (filling with mineral wool) was tested. The analysis was conducted for the following frequencies: 0.5 Hz, 1.0 Hz, 2.0 Hz and 5.0 Hz for various values of the specified displacement. A number of hysteresis loops were obtained for each of the tests. Based on them, the damping ratio as well as stiffness were calculated. The skeleton model filled with mineral wool (traditional technology) experienced serious damage under larger displacements. The results of the study have been used to propose a numerical model of wall filled with mineral wool. The proposed numerical model is consistent with the results for the values obtained during the experimental study, which proves the correctness of the adopted solution.
Źródło:
Advances in Science and Technology. Research Journal; 2015, 9, 28; 75-80
2299-8624
Pojawia się w:
Advances in Science and Technology. Research Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Modal analysis of real timber frame houses with different insulation materials
Autorzy:
Szczepański, M.
Migda, W.
Jankowski, R.
Powiązania:
https://bibliotekanauki.pl/articles/101994.pdf
Data publikacji:
2016
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
timber frame house
earthquake resistance
dynamic
numerical model
modal analysis
Opis:
The aim of this article is to present the results of a numerical modal analysis of two actual structures of timber frame buildings and the different behaviour due to the used insulation material. One model of the timber structure was filled with mineral wool, while the other with polyurethane foam. During the modal analysis, eigenvalues for both models have been determined. The results of the analysis clearly show the increase of stiffness and damping properties of skeletal constructions achieved by the use of polyurethane foam as the skeleton filling. The numerical model was based on prior experimental test on real scale single frame elements, therefore the result can be assumed to be adequate.
Źródło:
Advances in Science and Technology. Research Journal; 2016, 10, 31; 215-221
2299-8624
Pojawia się w:
Advances in Science and Technology. Research Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Timber-frame house resistant to dynamic loads - analysis of wall panel filled with polyurethane foam
Autorzy:
Szczepański, M.
Migda, W.
Jankowski, R.
Powiązania:
https://bibliotekanauki.pl/articles/127669.pdf
Data publikacji:
2016
Wydawca:
Politechnika Poznańska. Instytut Mechaniki Stosowanej
Tematy:
timber frame house
earthquake resistance
dynamic loads
numerical model
konstrukcje drewniane szkieletowe
odporność na ruchy tektoniczne
obciążenia dynamiczne
model numeryczny
Opis:
The present study shows the experimentally and numerically determined response of a single timber-frame house wall panel filled with polyurethane (PU) foam under dynamic loads. The harmonic tests were conducted for the following frequencies: 0.5 Hz, 1.0 Hz, 2.0 Hz and 5.0 Hz for various values of the specified displacement. Based on the results of the comparison between the experimental tests and the numerical analyses, the numerical model has been verified to be correct. The model can be used in further analyses so as to investigate the behaviour of the whole building under dynamic loads, including seismic and paraseismic excitations. Using such a numerical model, it will be possible to evaluate the improvement in resistance against dynamic loads for the case when PU foam is used instead of mineral wool.
Źródło:
Vibrations in Physical Systems; 2016, 27; 347-354
0860-6897
Pojawia się w:
Vibrations in Physical Systems
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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