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    Wyświetlanie 1-4 z 4
    Tytuł:
    Zagrożenia geologiczne w Polsce w 2021 roku
    Geohazards in Poland in 2021
    Autorzy:
    Wojciechowski, Tomasz
    Laskowicz, Izabela
    Kos, Jarosław
    Marciniec, Paweł
    Uścinowicz, Grzegorz
    Przyłucka, Maria
    Wódka, Marcin
    Powiązania:
    https://bibliotekanauki.pl/articles/20049737.pdf
    Data publikacji:
    2022
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    ruchy masowe
    osuwiska
    trzęsienia ziemi
    osiadanie
    interferometria SAR
    zapadliska
    mass movements
    landslides
    earthquakes
    subsidence
    SAR interferometry
    sinkholes
    Opis:
    Geological hazards caused by landslides, earthquakes, erosion, land surface deformation and collapse in 2021 in Poland were among the average compared to recent years. They did, however, affect material losses. The Polish Geological Survey (PGS) recorded 41 events related to sudden landslide activations, which damaged or destroyed 17 road sections. Through ongoing monitoring of 72 landslides, 33 were shown to be active. In 2021, more than 5,200 landslides were identified and inventoried in Poland. Geodynamic monitoring performed by PGS recorded 611 seismic events in Poland, whose magnitudes reached M4.2. In addition, using satellite radar interferometry, continuation of land surface deformations was found mainly in mining areas. In 2021, there was a number of collapses of various origins. The paper is a brief report on the ongoing tasks of the Polish Geological Survey in the field of geological hazards and presents events that took place in Poland in 2021.
    Źródło:
    Przegląd Geologiczny; 2022, 70, 9; 617-626
    0033-2151
    Pojawia się w:
    Przegląd Geologiczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Dokumentowanie geologiczno-inżynierskie osuwisk w aspekcie głębokości występowania powierzchni poślizgu
    Geological and engineering documentation of landslides in terms of the depth of slip surface
    Autorzy:
    Kos, Jarosław
    Wójcik, Antoni
    Powiązania:
    https://bibliotekanauki.pl/articles/20057812.pdf
    Data publikacji:
    2022
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    ruchy masowe
    osuwisko
    procedura projektowania osuwisk
    monitorowanie osuwisk
    Karpaty fliszowe
    mass movements
    landslide
    landslide design procedure
    monitoring of landslides
    Flysch Carpathians
    Opis:
    When conducting geological and engineering research, the most common statement is information that the landslide is shallow and should not pose a threat to the designed objects. In the case of large, structural landslides, this approach may lead, with the wrong determination of the deepest slip surface, to the occurrence of a construction disaster as a result of improper execution of the protection structure. The article presents specific locations of landslides with deep displacements in inclinometric columns exemplified by landslides monitored as part of the SOPO project in Tarnawa Górna, Słotowa and Międzybrodzie Bialskie - Łazki. The documented slip surfaces are found at depths of 19-42 m. Such deep displacements indicate that large, landslides reach significant thicknesses and such data should be presented in a geological and engineering documentation. It is proposed to modify the regulation on the execution of the geological and engineering documentation by adding a point regarding the documentation of landslides. If such an area exists, special requirements must be met when conducting geological surveys.
    Źródło:
    Przegląd Geologiczny; 2022, 70, 9; 627-635
    0033-2151
    Pojawia się w:
    Przegląd Geologiczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Dokumentowanie geologiczno-inżynierskie osuwisk na terenie fliszu karpackiego
    Geological and engineering documentation of landslides in the Carpathian flysch
    Autorzy:
    Kos, Jarosław
    Wójcik, Antoni
    Powiązania:
    https://bibliotekanauki.pl/articles/2076163.pdf
    Data publikacji:
    2021
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    ruchy masowe
    osuwisko
    Osuwisko Makowa
    procedura projektowania osuwisk
    flisz karpacki
    południowa Polska
    mass movements
    landslide
    Maków landslide
    landslide design procedure
    Carpathian flysch
    southern Poland
    Opis:
    When conducting geological surveys in landslide areas, it is important to define the scope of the planned geological works. The most important issue in the study of landslides is the recognition of the depth and shape of the slip surface. This requires the correct type of drilling and a good core quality. Most often, within a single landslide, several slip surfaces are documented, which occur at different depths, which is associated with a complex manner of motion and shear. Proper determination of the deepest sliding surfaces allows for the construction of a calculation model and selection of the optimal method of securing the landslide area. The course of the slip surface is often not determined by the depth of the bedrock under the cover formations. Geological diagnosis should depend on the size of the examined landslide and the impact of its activation on potential damage / destruction of existing buildings and technical infrastructure. The method of documenting and carrying out calculations is presented as recommended in landslide areas. In the first step, calculations should be made on the basis of data obtained from field work and parameters obtained from laboratory tests. Monitoring should complement field research and assess the scale of displacements. Conducting stability calculations should be a standard for the preparation of geological and engineering documentation of landslides and areas at risk of mass movements. It allows you to assess the risk and threats to the planned investment or protective structure. This is to provide permanent safeguards to prevent damage to buildings that have been designed on the basis of uncertain geological data. It is postulated to modify the ordinance on the implementation of geological and engineering documentation by adding a point concerning the documentation of landslides. If there is such an area, special requirements must be met when conducting geological surveys.
    Źródło:
    Przegląd Geologiczny; 2021, 69, 12; 825--834
    0033-2151
    Pojawia się w:
    Przegląd Geologiczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Stateczność stoków osuwiskowych na podstawie pomiarów inklinometrycznych oraz właściwości fizyczno-mechaniczne skał i gruntów na przykładzie osuwisk w Ochojnie i Starym Sączu
    Stability of landslide slopes based on inclinometer measurements and physical and mechanical properties of rocks and soils on the example of landslides in Ochojno and Stary Sącz.
    Autorzy:
    Kos, Jarosław
    Powiązania:
    https://bibliotekanauki.pl/articles/2075946.pdf
    Data publikacji:
    2019
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    ruchy masowe
    Osuwisko w Ochojnie
    Osuwisko Stroma
    procedura projektowania osuwiska
    Karpaty fliszowe
    Polska południowa
    mass movements
    Ochojno landslide
    Stroma landslide
    landslide design procedure
    Flysch Carpathians
    Southern Poland
    Opis:
    In the area of landslides in Ochojno and on Stroma street in Stary S¹cz, geological works were carried out, including determination of geological-engineering parameters, and documentation of slip surface on the basis of the drill core analysis. The obtained results allowed the author to construct computational cross-sections on the basis of which slope stability index factors for each of the landslide areas were calculated. These results were compared with the values of stability index obtained from inclinometer measurements. A proposal for documenting landslide areas was presented, paying particular attention to the proper interpretation of the ground profile. This enables avoiding frequent errors made in preparation of geological-engineering documentation based on shallow ground recognition and improperly conducted drilling system.
    Źródło:
    Przegląd Geologiczny; 2019, 67, 5; 377--387
    0033-2151
    Pojawia się w:
    Przegląd Geologiczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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