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    Wyświetlanie 1-3 z 3
    Tytuł:
    Analiza przydatności metody georadarowej do badania stropów budynków
    The analysis of the usefulness of the ground-penetrating radar method for ceiling investigation
    Autorzy:
    Rajchel, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/2074268.pdf
    Data publikacji:
    2014
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    georadar
    strop
    GPR research
    ceiling
    Opis:
    Measurements were performed in order to evaluate the usefulness of the ground penetrating radar technique in engineering, especially for assessing the condition of wooden and reinforced concrete ceilings. Expe - rimental measurement results for real engineering objects such as ceilings in both old wooden and newly erected brick buildings were presented. Recognition assessment of the technical condition of a ceiling is highly important for building's stability and users' safety. Their strength and resistance to decay and pests residing in buildings are an important issue in the case of wooden beam-framed ceilings (joists), whereas their strength and resistance to corrosion as well as the depth of reinforcement, bar diameters and gauge length are of importance in the case of reinforced concrete ceilings.
    Źródło:
    Przegląd Geologiczny; 2014, 62, 10/2; 687--691
    0033-2151
    Pojawia się w:
    Przegląd Geologiczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Georadar surveys of the flooring in the St. Francis of Assisi basilica in Krakow
    Autorzy:
    Łyczak, M.
    Adamiec, J.
    Skupień, T.
    Małysa, T.
    Groffik, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/184173.pdf
    Data publikacji:
    2018
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    medieval Krakow
    burial crypts
    georadar surveys
    non-invasive research methods
    tanatology
    Opis:
    Basilica of St. Francisco of Assisi together with the buildings of the Franciscan convent constitute one of the most important points on the map of medieval Krakow. However, their architectural transformations are still not well recognized. In 2015, the opportunity to expand this knowledge occured. Within the basilica itself, along with the adjacent chapels, a comprehensive, non-invasive, georadar floor examination was held. Its effect, apart from confirming the location of known tombs and burial crypts, was the discovery of completely unknown underground rooms. Using small-hole drills, the rooms were recognized as burial crypts. Currently, their diagnosis is conducted by archaeological methods. The presented case study was also an occasion to describe explicitly the methodological bases of crypt identification practice, using connection between some specific construction details characteristic for ancient European architecture and the corresponding GPR manifestations (diagnostic features).
    Źródło:
    Geology, Geophysics and Environment; 2018, 44, 4; 357-372
    2299-8004
    2353-0790
    Pojawia się w:
    Geology, Geophysics and Environment
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wpływ współczesnych ruchów pionowych podłoża na zmiany parametrów geotechnicznych gruntów spoistych, niespoistych i organicznych
    Influence of contemporary vertical movements of the soil substrate on changes of geotechnical parameters of cohesive, non-cohesive and organic soils
    Autorzy:
    Kaszubowski, Leszek Józef
    Powiązania:
    https://bibliotekanauki.pl/articles/2076158.pdf
    Data publikacji:
    2021
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    badania inżynieryjno-geologiczne
    parametry geotechniczne
    podłoże glebowe
    współczesne ruchy pionowe
    strefy zagęszczania gruntów
    badania georadarowe
    GPR
    engineering-geological research
    geotechnical parameters
    soil substrate
    contemporary vertical movements
    zones ofcompacting soils
    georadar research
    Opis:
    The author presents the results of engineering-geological research carried out along of the Sierpowa St. in the area of Ostrów Grabowski in Szczecin, and along Nowomyśliwska St in Międzyzdroje. The analysis relates to geological drillings and soundings carried out using an SL for non-cohesive soils and the results of tests with the PSO-1 field rotary probe in organic soils. Additionally, the author presents examples of various geophysical investigations to recognize the influence of present-day vertical movements of the soil substrate, which have a significant effect on the instability of many parts of the existing civil engineering infrastructure, and can contribute to serious accidents or even disasters. The phenomenon of modern vertical movements of the soil substrate could have an impact on changing the geotechnical parameters of cohesive, non-cohesive and organic soils, such as the index of density (degree of density), the volume density, angle of internal friction and shear strength in the zones of compacting soils (ZDS). This dangerous phenomenon can have a negative impact on the stability of current or planned roads and highways, and building constructions. An important research element is also to learn about the characteristics of the formation of zones of decompacting soils, including the diversity of their internal structure. In the existing zones of decompacting soils, the values of the geotechnical parameters decrease. It should be noted that the genesis of the formation of modern vertical movements of the soil substrate in the micro scale, analysed by the author is not well understood and requires further detailed research.
    Źródło:
    Przegląd Geologiczny; 2021, 69, 12; 812--824
    0033-2151
    Pojawia się w:
    Przegląd Geologiczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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