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Wyszukujesz frazę "soil fill" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
The comparison of the effects of two approaches to control gully erosion in the Black Soil Region of China
Autorzy:
Dong, Y.
Wu, Y.
Wang, W.
Powiązania:
https://bibliotekanauki.pl/articles/294647.pdf
Data publikacji:
2011
Wydawca:
Stowarzyszenie Geomorfologów Polskich
Tematy:
gully control
soil fill
vegetation cover
Opis:
Gully erosion is an important form of soil erosion, however, little was done on the effect of gully erosion controlling approaches. A program for controlling gully erosion was carried out in Heshan Farm in black soil region of northeast China from 1994 to 1996 include two approaches: "Soil fill" and "Vegetation cover". From the investigation at 2009, Soil fill approach can protect the original place of gully erosion well, but this apporach ignores the whole impact at the catchment scale, and may cause to new gully appear. "Vegetation cover" approach is better to control gully erosion than "Soil fill" approach, but has little effect on controlling the headcut retreat.
Źródło:
Landform Analysis; 2011, 17; 43-46
1429-799X
Pojawia się w:
Landform Analysis
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Collapse settlement of dump soils revealed by studies on soil samples of modelled lithology and lump-size distribution
Autorzy:
Woźniak, H.
Powiązania:
https://bibliotekanauki.pl/articles/2060288.pdf
Data publikacji:
2015
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
dump soil
dumped fill
collapse settlement
collapse potential
double porosity
Opis:
The paper deals with the collapse settlement of dump soils i.e., made grounds composed of the overburden soils of mineral deposits, which were worked out with the open-pit method, transported and deposited as a dumped fill. The principal aim of the studies was the analysis of factors controlling the collapse settlement process, mostly the structural model of dump soil and external determinants: initial compaction, initial water content and history of its changes in time as well as the history of loading of studied soil before saturation. In order to reflect the natural structure of dump soils, experiments were carried out on samples of specially modelled lithology and structure. Hence, the samples represented three basic structural models of such soils: non-cohesive, cohesive and transitional, partly cohesive/partly non-cohesive. Attention was paid to diversified dynamics of collapse settlement, which results from two clearly different processes: rebuilding of soil structure and additional consolidation settlement. It was found that from the physical point of view the collapse settlement results from the release of elastic energy delivered to the sample by loading before inundation and accumulated at the contact surfaces of soil lumps.
Źródło:
Geological Quarterly; 2015, 59, 2; 391--399
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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