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Wyszukujesz frazę "Olchawa, A." wg kryterium: Autor


Wyświetlanie 1-3 z 3
Tytuł:
Compressibility of Organic Soils Polluted with Diesel Oil
Autorzy:
Olchawa, A.
Kumor, M.
Powiązania:
https://bibliotekanauki.pl/articles/241218.pdf
Data publikacji:
2007
Wydawca:
Polska Akademia Nauk. Instytut Budownictwa Wodnego PAN
Tematy:
organic soils
diesel oil
compression index
dielectric constant
Opis:
The paper presents results of experimental study on the compressibility of soils contaminated by diesel oil from Żuławy region. The investigation results show that compressibility of the soils increases with increasing diesel oil content. A significant increasing in compression was found when diesel oil content in soil exceeded 3%. The compression index Cc changes inversely to changes in the dielectrical constant of a porous medium. The index Cc for contaminated organic soil can be estimated from the established compression index of "clean" soil and dielectric constant of the porous medium of polluted soil.
Źródło:
Archives of Hydro-Engineering and Environmental Mechanics; 2007, 54, 4; 299-307
1231-3726
Pojawia się w:
Archives of Hydro-Engineering and Environmental Mechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Amounts of Water Adsorbed to the Surface of Clay Minerals at the Plastic Limit
Autorzy:
Gorączko, A.
Olchawa, A.
Powiązania:
https://bibliotekanauki.pl/articles/241128.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Instytut Budownictwa Wodnego PAN
Tematy:
clays
liquid limit
plastic limit
Opis:
The paper presents results of a study on the amount of water associated with the solid phase of the clay water system at the plastic limit. Two model monomineral clays, namely kaolinite, and montmorillonite, were used in the study. The latter was obtained by gravitational sedimentation of Na-bentonite (Wyoming). The calculated mean number of water molecule layers on the external surface of montmorillonite was 14.4, and water in interlayer spaces constituted 0.3 of the water mass at the plastic limit. The number of water layers on the external surface of kaolinite particles was 63, which was related to the higher density of the surface electrical charge of kaolinite compared to that of montmorillonite. The calculations were made on the basis of the external surface area of clays and the basal spacing at the plastic limit measured by an X-ray diffraction test. The external surface area of clays was estimated by measuring sorption at a relative humidity p/p0 = 0.5.
Źródło:
Archives of Hydro-Engineering and Environmental Mechanics; 2017, 64, 3-4; 155-162
1231-3726
Pojawia się w:
Archives of Hydro-Engineering and Environmental Mechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Time Domain Reflectometry (TDR) - Measuring Dielectric Constant of Polluted Soil to Estimate Diesel Oil Content
Autorzy:
Olchawa, A.
Kumor, M.
Powiązania:
https://bibliotekanauki.pl/articles/241025.pdf
Data publikacji:
2008
Wydawca:
Polska Akademia Nauk. Instytut Budownictwa Wodnego PAN
Tematy:
contaminated soils
dielectric permittivity
TDR
oil diesel content
Opis:
The paper presents results of experimental study on the possibility of calculating the content of diesel oil in soils from measurements of dielectric permittivity with the TDR technique in a soil-water-air-diesel oil system. Results of calculation were compared with the actual content of diesel oil measured in laboratory conditions. The comparison shows that the content of diesel oil in soils may be precisely determined pn the basid of measurements of dielectric permittivity in contaminated soils.
Źródło:
Archives of Hydro-Engineering and Environmental Mechanics; 2008, 55, 1-2; 55-62
1231-3726
Pojawia się w:
Archives of Hydro-Engineering and Environmental Mechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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