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    Wyświetlanie 1-6 z 6
    Tytuł:
    Injured architectural heritage in Laquila after the earthquake 2009: some general remarks
    Uszkodzone obiekty dziedzictwa architektonicznego w Laquili po trzęsieniu ziemi w roku 2009: kilka ogólnych spostrzeżeń
    Autorzy:
    Di Tommaso, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/217708.pdf
    Data publikacji:
    2009
    Wydawca:
    Stowarzyszenie Konserwatorów Zabytków
    Tematy:
    dziedzictwo architektoniczne
    trzęsienie ziemi
    L'aquila
    architectural heritage presentation
    earthquake
    L'Aquila
    Opis:
    In this paper some aspects of 2009 strong earthquake in Abruzzo Region have been analysed. First of all a reflection on the causes of so big disaster induced to evaluate a strong vulnerability of masonry due to typology of its texture and poor mortars. A second topic examined is the advancement of first aid to collapsing building: new materials, new structural systems and recent mechanical lifting de- vices made this chapter totally different from previous ones relative to past earthquakes in middle Italy. Last part is devoted to the problem of Re- Construction: seems consistent to rebuild the monument with a reinforced masonry, named "banded masonry" to reduce drastically the vulnerability of constructions, preserving the peculiar character.
    Artykuł przedstawia analizę niektórych aspektów silnego trzęsienia ziemi, które nawiedziło region Abruzji w 2009 r. Ustalono, że jego katastrofalne skutki spowodowane były dużą podatnością tamtejszych konstrukcji murowanych (ściany szczelinowe z kamieni słabo powiązanych zaprawą) na zawalenie się. Drugi temat to postęp, jaki dokonał się w dziedzinie pierwszej pomocy w ratowaniu budynków zagrożonych zawaleniem. Nowe materiały, nowe układy konstrukcyjne i nowoczesne urządzenia podnoszące sprawiły, że ten etap przebiegł nieporównywalnie lepiej niż w poprzednich trzęsieniach ziemi, które nawiedziły środkowe Włochy. Ostatnia część referatu dotyczy problemu odbudowy. Wydaje się, że odpowiednim rozwiązaniem jest zastosowanie tzw. muru pasemkowego w celu radykalnego zmniejszenia podatności budynków na zawalenie się, a jednocześnie zachowania ich szczególnego charakteru.
    Źródło:
    Wiadomości Konserwatorskie; 2009, 26; 177-185
    0860-2395
    2544-8870
    Pojawia się w:
    Wiadomości Konserwatorskie
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Non-ergodic probabilistic seismic hazard methodology using physics-based ground motion prediction: the case of LAquila, Italy - Appendices
    Autorzy:
    Aguirre, Jedidiah Joel
    Rubino, Bruno
    Vassallo, Maurizio
    Di Giulio, Giuseppe
    Visini, Francesco
    Powiązania:
    https://bibliotekanauki.pl/articles/2035851.pdf
    Data publikacji:
    2020
    Wydawca:
    Politechnika Gdańska
    Tematy:
    non-ergodic probabilistic seismic hazard analysis
    physics-based ground motion prediction
    modified time-weakening friction law
    peak ground acceleration
    hazard curve
    City of L’Aquila
    analiza zagrożeń sejsmicznych
    przewidywanie ruchu naziemnego
    zmodyfikowane prawo tarcia
    szczytowe przyspieszenie naziemne
    krzywa zagrożenia
    L'aquila
    Opis:
    A non-ergodic probabilistic seismic hazard analysis (PSHA) utilizing the physics-based ground motion prediction was proposed in this study to minimize the increasing uncertainties in the use of empirical equations. The City of L’Aquila in Italy was used for illustrative purposes due to the availability of data and the historical seismicity of the site. A total of 28 seismic sources were identified in this study located within a 100 km radius from the city. Fault properties such as geometry and location were obtained from the literature, while the fault occurrence rates were obtained using the FiSH Code. A modified time-weakening friction law was proposed to model the seismic energy released by an earthquake. Uncertainties in different rupture scenarios were characterized through the Guttenberg-Richter Relations and the Characteristic Brownian Time Passage. Uncertainties in distances were characterized through probability mass functions, which were used to calculate the ground motion exceedance probabilities. The 1D elastodynamic equation coupled with the Hooke’s law was used to predict the peak ground acceleration (PGA), a measure of the ground shaking level. A hazard curve, which is a plot of PGA and its recurrence, was constructed and compared with the results of the study of Valentini, et al., AGU 100: Advancing Earth and Space Science (2019). The method proposed in this study predicts a higher hazard rates for PGAs less than 0.70 g, which implies that the ground motion was overestimated for very far sources. In contrast, lower hazard curves were observed for PGAs greater than 0.70g which can be attributed to fewer seismic sources considered in this study.
    Źródło:
    TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk; 2020, 24, 2; 166-182
    1428-6394
    Pojawia się w:
    TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Non-ergodic probabilistic seismic hazard methodology using physics-based ground motion prediction: the case of LAquila, Italy
    Autorzy:
    Aguirre, Jedidiah Joel
    Rubino, Bruno
    Vassallo, Maurizio
    Di Giulio, Giuseppe
    Visini, Francesco
    Powiązania:
    https://bibliotekanauki.pl/articles/1950802.pdf
    Data publikacji:
    2022-02-05
    Wydawca:
    Politechnika Gdańska
    Tematy:
    non-ergodic probabilistic seismic hazard analysis
    physics-based ground motionprediction
    modified time-weakening friction law
    peak ground acceleration
    hazard curve
    City of L’Aquila
    analiza zagrożeń sejsmicznych
    przewidywanie ruchu naziemnego
    zmodyfikowane prawo tarcia
    szczytowe przyspieszenie naziemne
    krzywa zagrożenia
    L'aquila
    Opis:
    A non-ergodic probabilistic seismic hazard analysis (PSHA) utilizing the physics-based ground motion prediction was proposed in this study to minimize the increasing uncertainties in the use of empirical equations. The City of L’Aquila in Italy was used for illustrative purposes due to the availability of data and the historical seismicity of the site. A total of 28 seismic sources were identified in this study located within a 100 km radius from the city. Fault properties such as geometry and location were obtained from the literature, while the fault occurrence rates were obtained using the FiSH Code. A modified time-weakening friction law was proposed to model the seismic energy released by an earthquake. Uncertainties in different rupture scenarios were characterized through the Guttenberg-Richter Relations and the Characteristic Brownian Time Passage. Uncertainties in distances were characterized through probability mass functions, which were used to calculate the ground motion exceedance probabilities. The 1D elastodynamic equation coupled with the Hooke’s law was used to predict the peak ground acceleration (PGA), a measure of the ground shaking level. A hazard curve, which is a plot of PGA and its recurrence, was constructed and compared with the results of the study of Valentini, et al., AGU 100: Advancing Earth and Space Science (2019). The method proposed in this study predicts a higher hazard rates for PGAs less than 0.70 g, which implies that the ground motion was overestimated for very far sources. In contrast, lower hazard curves were observed for PGAs greater than 0.70g which can be attributed to fewer seismic sources considered in this study.
    Źródło:
    TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk; 2020, 24, 2; 97-185
    1428-6394
    Pojawia się w:
    TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Non-ergodic probabilistic seismic hazard methodology using physics-based ground motion prediction: the case of LAquila, Italy - Part I Theoretical background
    Autorzy:
    Aguirre, Jedidiah Joel
    Rubino, Bruno
    Vassallo, Maurizio
    Di Giulio, Giuseppe
    Visini, Francesco
    Powiązania:
    https://bibliotekanauki.pl/articles/2035834.pdf
    Data publikacji:
    2020
    Wydawca:
    Politechnika Gdańska
    Tematy:
    non-ergodic probabilistic seismic hazard analysis
    physics-based ground motion prediction
    modified time-weakening friction law
    peak ground acceleration
    hazard curve
    City of L’Aquila
    analiza zagrożeń sejsmicznych
    przewidywanie ruchu naziemnego
    zmodyfikowane prawo tarcia
    szczytowe przyspieszenie naziemne
    krzywa zagrożenia
    L'aquila
    Opis:
    A non-ergodic probabilistic seismic hazard analysis (PSHA) utilizing the physics-based ground motion prediction was proposed in this study to minimize the increasing uncertainties in the use of empirical equations. The City of L’Aquila in Italy was used for illustrative purposes due to the availability of data and the historical seismicity of the site. A total of 28 seismic sources were identified in this study located within a 100 km radius from the city. Fault properties such as geometry and location were obtained from the literature, while the fault occurrence rates were obtained using the FiSH Code. A modified time-weakening friction law was proposed to model the seismic energy released by an earthquake. Uncertainties in different rupture scenarios were characterized through the Guttenberg-Richter Relations and the Characteristic Brownian Time Passage. Uncertainties in distances were characterized through probability mass functions, which were used to calculate the ground motion exceedance probabilities. The 1D elastodynamic equation coupled with the Hooke’s law was used to predict the peak ground acceleration (PGA), a measure of the ground shaking level. A hazard curve, which is a plot of PGA and its recurrence, was constructed and compared with the results of the study of Valentini, et al., AGU 100: Advancing Earth and Space Science (2019). The method proposed in this study predicts a higher hazard rates for PGAs less than 0.70 g, which implies that the ground motion was overestimated for very far sources. In contrast, lower hazard curves were observed for PGAs greater than 0.70g which can be attributed to fewer seismic sources considered in this study.
    Źródło:
    TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk; 2020, 24, 2; 97-137
    1428-6394
    Pojawia się w:
    TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Non-ergodic probabilistic seismic hazard methodology using physics-based ground motion prediction: the case of LAquila, Italy - Part II Methodology
    Autorzy:
    Aguirre, Jedidiah Joel
    Rubino, Bruno
    Vassallo, Maurizio
    Di Giulio, Giuseppe
    Visini, Francesco
    Powiązania:
    https://bibliotekanauki.pl/articles/2035843.pdf
    Data publikacji:
    2020
    Wydawca:
    Politechnika Gdańska
    Tematy:
    non-ergodic probabilistic seismic hazard analysis
    physics-based ground motion prediction
    modified time-weakening friction law
    peak ground acceleration
    hazard curve
    City of L’Aquila
    analiza zagrożeń sejsmicznych
    przewidywanie ruchu naziemnego
    zmodyfikowane prawo tarcia
    szczytowe przyspieszenie naziemne
    krzywa zagrożenia
    L'aquila
    Opis:
    A non-ergodic probabilistic seismic hazard analysis (PSHA) utilizing the physics-based ground motion prediction was proposed in this study to minimize the increasing uncertainties in the use of empirical equations. The City of L’Aquila in Italy was used for illustrative purposes due to the availability of data and the historical seismicity of the site. A total of 28 seismic sources were identified in this study located within a 100 km radius from the city. Fault properties such as geometry and location were obtained from the literature, while the fault occurrence rates were obtained using the FiSH Code. A modified time-weakening friction law was proposed to model the seismic energy released by an earthquake. Uncertainties in different rupture scenarios were characterized through the Guttenberg-Richter Relations and the Characteristic Brownian Time Passage. Uncertainties in distances were characterized through probability mass functions, which were used to calculate the ground motion exceedance probabilities. The 1D elastodynamic equation coupled with the Hooke’s law was used to predict the peak ground acceleration (PGA), a measure of the ground shaking level. A hazard curve, which is a plot of PGA and its recurrence, was constructed and compared with the results of the study of Valentini, et al., AGU 100: Advancing Earth and Space Science (2019). The method proposed in this study predicts a higher hazard rates for PGAs less than 0.70 g, which implies that the ground motion was overestimated for very far sources. In contrast, lower hazard curves were observed for PGAs greater than 0.70g which can be attributed to fewer seismic sources considered in this study.
    Źródło:
    TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk; 2020, 24, 2; 137-153
    1428-6394
    Pojawia się w:
    TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Non-ergodic probabilistic seismic hazard methodology using physics-based ground motion prediction: the case of LAquila, Italy - Part III Results and Discussion
    Autorzy:
    Aguirre, Jedidiah Joel
    Rubino, Bruno
    Vassallo, Maurizio
    Di Giulio, Giuseppe
    Visini, Francesco
    Powiązania:
    https://bibliotekanauki.pl/articles/2035849.pdf
    Data publikacji:
    2020
    Wydawca:
    Politechnika Gdańska
    Tematy:
    non-ergodic probabilistic seismic hazard analysis
    physics-based ground motion prediction
    modified time-weakening friction law
    peak ground acceleration
    hazard curve
    City of L’Aquila
    analiza zagrożeń sejsmicznych
    przewidywanie ruchu naziemnego
    zmodyfikowane prawo tarcia
    szczytowe przyspieszenie naziemne
    krzywa zagrożenia
    L'aquila
    Opis:
    A non-ergodic probabilistic seismic hazard analysis (PSHA) utilizing the physics-based ground motion prediction was proposed in this study to minimize the increasing uncertainties in the use of empirical equations. The City of L’Aquila in Italy was used for illustrative purposes due to the availability of data and the historical seismicity of the site. A total of 28 seismic sources were identified in this study located within a 100 km radius from the city. Fault properties such as geometry and location were obtained from the literature, while the fault occurrence rates were obtained using the FiSH Code. A modified time-weakening friction law was proposed to model the seismic energy released by an earthquake. Uncertainties in different rupture scenarios were characterized through the Guttenberg-Richter Relations and the Characteristic Brownian Time Passage. Uncertainties in distances were characterized through probability mass functions, which were used to calculate the ground motion exceedance probabilities. The 1D elastodynamic equation coupled with the Hooke’s law was used to predict the peak ground acceleration (PGA), a measure of the ground shaking level. A hazard curve, which is a plot of PGA and its recurrence, was constructed and compared with the results of the study of Valentini, et al., AGU 100: Advancing Earth and Space Science (2019). The method proposed in this study predicts a higher hazard rates for PGAs less than 0.70 g, which implies that the ground motion was overestimated for very far sources. In contrast, lower hazard curves were observed for PGAs greater than 0.70g which can be attributed to fewer seismic sources considered in this study.
    Źródło:
    TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk; 2020, 24, 2; 153-166
    1428-6394
    Pojawia się w:
    TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-6 z 6

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