Kaczmarczyk, Robert
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inżynieria środowiska, górnictwo i energetyka
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Item type:Article, Access status: Open Access , Osiadanie gruntów zwałowanych w poeksploatacyjnym wyrobisku odkrywkowym w wyniku odbudowy zwierciadła wody gruntowej(Wydawnictwa AGH, 2008) Woźniak, Henryk; Borecka, Aleksandra ; Kaczmarczyk, RobertCommon remediation method of inactive open pits is a partial or complete infilling with dump soil derived from removed overburden. A problems which rises during such remediation is a significant settlement of soils caused by its high compressibility. Recognition of compressibility and settlement enables the proper design of both required and final depths of the fill and allows to balance the required and existing volumes of dumped material. Authors proposed a calculation method for settlement of dumped fill deposited in an inactive open pit, which includes self-weight settlement and collapse settlement caused by recovery of groundwater table. The proposed calculation is based upon solution given by Nwabuokei & Lovell (1985) for settlement of fills composed of compacted soil. Examples of calculations are presented in which both the compressibility and collapse potential parameters were determined from authors' own studies.Item type:Article, Access status: Open Access , Powierzchnie strukturalne w górotworze złóż węgla brunatnego, ich charakterystyka i właściwości fizyko-mechaniczne(2007) Kaczmarczyk, Robert; Rybicki, StanisławField observations of geological profile of the overburden soils of lignite deposits Turów and Bełchatów shows some structural surfaces used as a slip surfaces of many landslides. They are usually surfaces of loosing structure of soil came to the existance after sedimentary, tectonic and erosion processes. In the article types of these surfaces, their structural character and some geotechnical properties are described.Item type:Article, Access status: Open Access , Czynniki wpływające na parametry wytrzymałości na ścinanie w strefach zagrożeń osuwiskowych na przykładzie odkrywek węgla brunatnego(Wydawnictwa AGH, 2008) Borecka, Aleksandra ; Kaczmarczyk, RobertThe recently observed development into possibilities of calculation programs for calculations of stability and numerous results of laboratory investigations help to obtain a more and more perfect simulation of rockmass behaviour. Nevertheless, a problem of landslides has not been fully solved as they still originate. The analysis of slope stability requires consideration of a number of factors connected with a degree of complexity of geological structure and parameters of soils. One of the most essential problems is still a choice of reliable calculating parameters, especially in the zones of complicated geological structure. In the paper factors influencing shear strength parameters in the zones of landslide threats have been discussed while basing on the results of investigations and observations in the brown coal mines »Turów« and »Bełchatów«. Mass movements of soils in open pit mines due to their exploitation, outcrop of slops, current monitoring and technical possibilities of mines help to observe in a relatively easy way certain phenomena accompanying the processes occurring on the surfaces of a landslides. There exists a possibility of applying some results for the evolution of slope stability also in the places where observations of phenomena occurring on the slide surfaces are considerably more complicated, e.g. in the Carpathian landslides.