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Wyszukujesz frazę "Dembicki, E." wg kryterium: Autor


Wyświetlanie 1-2 z 2
Tytuł:
Reuse of "end of life tyres" tyre chips - sand mixture mechanical study
Autorzy:
Dembicki, E.
Kowalczyk, M.
Gotteland, P.
Powiązania:
https://bibliotekanauki.pl/articles/230193.pdf
Data publikacji:
2012
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
mieszanka gumowo-piaskowa
opona rozdrobniona
badanie laboratoryjne
wytrzymałość na ścinanie
tyre chips-sand mixture
shredded tyre
laboratory research
shear strength
Opis:
The use of shredded tyre in civil engineering applications is a significant potential end use market. The reuse of tyre chips may not only address growing environmental and economic concerns, but also help to solve geotechnical problems associated with low shear strength. The purpose of this paper is to investigate the properties of tyre chips and tyre chips – sand mixture, and to find the mixture with the highest shear strength. In this study, an experimental testing program was undertaken using a large – scale triaxial apparatus with the goal of evaluating the optimum percentage of tyre chips in sand. The effects on shear strength of varying percentage of tyre chips and varying confining pressure were studied. Tyre chips content was suspected to have influence on stress – strain and volumetric strain behaviour of the mixture. Some tests were conducted to check the influence of number of used membranes, of saturation and compaction, on sample properties.
Źródło:
Archives of Civil Engineering; 2012, 58, 3; 379-406
1230-2945
Pojawia się w:
Archives of Civil Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Frictional characteristics of geosynthetic-geosynthetic and geosynthetic-soil interfaces determined by the inclined plane apparatus
Autorzy:
Rzepecki, D.
Gourc, J. P.
Dembicki, E.
Powiązania:
https://bibliotekanauki.pl/articles/178278.pdf
Data publikacji:
2013
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
friction
landfill
geosynthetics
geosynthetic materials
wysypiska odpadów
wysypiska
bariera geosyntetyczna
geosyntetyki
materiały geosyntetyczne
tarcie
Opis:
The problem of managing the unneeded and unusable materials is a serious challenge for modern societies. The progress of civilization is accompanied by an increase of the human population. This results in a constant increase of waste production. An average EU citizen generates over 500 kg of municipal waste per year, of which less than one third is recycled. The rest is either disposed of in the landfills or incinerated. Every landfill needs to be properly protected by an impermeable barrier – a liner. Its use is necessary to prevent soil and ground water contamination. The protection barrier needs to be implemented both at the bottom and at the top of a landfill. Various geosynthetic materials are utilized for a liner design. Waste disposed of in a landfill creates high embankments with steep slopes. In these conditions, the problem of liner stability arises. The tests, the results of which are presented in this paper, were conducted to analyze the behaviour of several different combinations of geosynthetic materials used for liner design and to calculate the friction angle of the interface between them. A set of combinations, crucial for the stability of a landfill capping system was tested: geomembrane–geospacer, geospacer–geotextile and geotextile–soil. All of the tests were conducted at the LTHE Laboratory at Joseph Fourier University in Grenoble, France.
Źródło:
Studia Geotechnica et Mechanica; 2013, 35, 4; 23-45
0137-6365
2083-831X
Pojawia się w:
Studia Geotechnica et Mechanica
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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