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Wyszukujesz frazę "in-situ study" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Contribution to the study of soil stabilized by ballast columns
Autorzy:
Benheikh Boutahir Born, Messaouda
Aidoud, Assia
Benamara, Fatima Zohra
Powiązania:
https://bibliotekanauki.pl/articles/396120.pdf
Data publikacji:
2020
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
ballast columns
compressible soils
study of soils
soil stabilizer
in situ
słupy balastowe
grunty ściśliwe
badania gruntów
stabilizowanie gruntów
Opis:
Ballasted columns are an interesting technique for improving compressible soils in situ. Their major advantages are to reduce compaction, increase the bearing capacity of soils, accelerate consolidation, and eliminate the risks of liquefaction during earthquakes. Thanks to these advantages, reinforcement processes are considerably developed in the field of geotechnical construction and this is on an international scale. Numerical modelling is a necessary and effective alternative for approaching the real behavior of soils reinforced by ballasted columns. The present work aims to change several parameters, being, among others, the number of columns, the rise of the water table, and the friction angle. With this in mind, a parametric study was carried out in order to determine the influence of certain parameters on the settlement results and observe their influence on the mechanical behavior of the soil using the Plaxis 2D calculation code. This study found that the correct choice was based on the number of columns, which is three, while the increase in groundwater level does not have a significant influence on the results.
Źródło:
Civil and Environmental Engineering Reports; 2020, 30, 3; 234-252
2080-5187
2450-8594
Pojawia się w:
Civil and Environmental Engineering Reports
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Evaluation of annoyance due to wind turbine noise based on pre-learned patterns
Autorzy:
Felcyn, Jan
Preis, Anna
Gogol, Robert
Powiązania:
https://bibliotekanauki.pl/articles/24201941.pdf
Data publikacji:
2022
Wydawca:
Politechnika Poznańska. Instytut Mechaniki Stosowanej
Tematy:
survey
in-situ study
laboratory experiment
calibration procedure
ankieta
badanie in situ
eksperyment laboratoryjny
procedura kalibracji
Opis:
Annoyance due to wind turbine noise is usually assessed on the basis of surveys conducted among people living in the vicinity of turbines or in the laboratory conditions. Due to the fact that the latter are very different from natural conditions, we propose a solution to reduce this difference. Prior to the surveys, 50 participants were asked to familiarize themselves with 5 environmental signals. They were informed about the annoyance rating assigned to each signal (obtained earlier in laboratory conditions), expressed as a number between 0 (not annoying signal) and 10 (extremely annoying signal). Participants were then presented with new environmental sounds and asked to rate the annoyance caused by each sound, in accordance with the previously learned method. The analysis of our results shows that the variability of answers given by respondents at their homes is similar to those obtained earlier in laboratory conditions.
Źródło:
Vibrations in Physical Systems; 2022, 33, 3; art. no. 2022310
0860-6897
Pojawia się w:
Vibrations in Physical Systems
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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