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Recent Vs. Historical Seismicity Analysis For Banat Seismic Region (Western Part Of Romania)

. [29] Shebalin N. V., Leydecker G., Mokrusina N. G., Tatevossian R. E., Erteleva O. O, Vassiliev V. YU. (1998). Earthquake Catalogue for Central-Southeastern Europe 342BC-1990AD. European Commission, Report No. ETNU CT 93 - 0087, Brussels. [30] Havskov and Ottemoller, SeisAn Earthquake analysis software, Seis. Res. Lett., 70, 1999. http://www.seismosoc.org/publications/SRL/SRL_70/srl_70-5_es.html [31] Wiemer S, Baer W. (2000). Mapping and removing quarry blast events from seismicity catalogs. Bulletin of Seismological Society of America, 90, 2, 525

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Evaluation of Llaima volcano activities for localization and classification of LP, VT and TR events

, Chile (2007–2010)”, III Congr. Latinoam. Sismol. , 2014. [7] M. Muñoz, “Eruption Patterns of the Chilean Volcanoes Villarrica, Llaima, and Tupungatito”, Pure Appl. Geophys. PAGEOPH 121:835–852, doi: 10.1007/BF02590184, 1983. [8] M. Curilem, J. Vergara, C. S. Martin et al , “Pattern Recognition Applied to Seismic Signals of the Llaima Volcano (Chile): An Analysis of the Events’ Features”, J. Volcanol Geotherm Res. 282:134–147, doi: 10.1016/j.jvolgeores.2014.06.004, 2014. [9] B. A. Chouet and R. S. Matoza, “A Multi-Decadal View of Seismic Methods

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Comparative Analysis of the Empirical Seismic Vulnerability of Typical Structures in Multiple Intensity Zones

Structures”, 4(3): 299-324, 2013. 15. D. Gautam, G. Fabbrocino, F.S. De magistris, “Derive empirical fragility functions for Nepali residential buildings. Engineering Structures”, 171, 617-628, 2018. 16. M. Naguit, P. Cummins, M. Edwards, H. Ghasemi, B. Bautista, H. Ryu, M. Haynes, “From Source to Building Fragility: Post-Event Assessment of the 2013 M7.1 Bohol, Philippines, Earthquake”, Earthquake Spectra 33(3): 999-1027, 2017. 17. Q. Xu, S.S. Zheng, Y.Z. Han, “Steel frame seismic vulnerability based on a global structural damage index”, Journal of

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The Experimental Analysis Of An Innovative Yielding Metallic Damper

Abstract

One of the most destructive natural phenomena is the earthquake. These events destroy lives, goods and disrupt human activities. For this reason the anti-seismic protection of buildings is a very important and of interest subject in Civil Engineering. In the case of structures with a low seismic energy dissipation capacity (for example steel frame structures with Slimdek composite floors), this problem becomes more complicated due to the requirement of dampers. In this paper an experimental study is presented regarding an innovative yielding metallic energy dissipation device, proposed by the author. An experiment is carried out on a shake table. By studying the results from the experiments and from the previous carried out numerical analysis we can conclude that this device provides a high anti-seismic protection for this type of structures.

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Pattern of Stress-Strain Accumulation due to a Long Dipslip Fault Movement in a Viscoelastic Layered Model of The Lithosphere–Asthenosphere System

References Aki K. and Richards P.G. (1980): Quantitative seismology. theory and methods . - W.H. Freeman, San Francisco, California. Cathles L.M. (1975): The visco-elasticity of the Earth's mantle. - Princeton, N. J.: Princeton University Press. Chift P., Lin J. and Barcktiausen U. (2002): Marine and petroleum geology.- Vol.19, pp.951-970. Cohen (1980a): Post seismic viscoelastic surface deformations and stress,1 . - Theoretical Considerations, Displacements and Strains Calculations

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Modelling of Post-flotation Tailings Liquefaction Induced by Paraseismic Events

References Arias A. (1970) A measure of earthquake intensity, [in:] R. J. Hansen (ed), Seismic Design for Nuclear Power Plants , The M.I.T. Press, 438–483. Boulanger R.W. and Idriss I. M. (2006) Liquefaction susceptibility criteria for silts and clays, J. Geotech. and Geoenvir. Engrg. , ASCE, 132 (11), 1413–1426. Dyvic R. and Madhus C. (1985) ‘Measurements of G max using bender elements, Civil Engrs Convention , Detroit, New York, American Society of Civil Engineers, 1985, 186–196. PIANC (2001) Seismic Design Guidelines for Port

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POPULATION PERSPECTIVE ON THE SOCIAL IMPACT OF A STRONG EARTHQUAKE AFFECTING BUCHAREST

References [1] Lang D., Molina-Palacios S., Lindholm C. & Balan S. (2012). Deterministic earthquake damage and loss assessment for the city of Bucharest, Romania, Journal of Seismology 16, 67-88. [2] Toma-Danilă D., Zulfikar C., Manea E.F. & Cioflan C.O. (2015). Improved seismic risk estimation for Bucharest, based on multiple hazard scenarios and analytical methods. Soil Dynamics and Earthquake Engineering 73, 1-16. [3] Pavel F. & Vacareanu R. (2016). Scenario-based earthquake risk assessment for Bucharest

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Case Study on Vulnerability Increase for a Reinforced Concrete Frame Structure

References [1]. Barbat A.H., Pujades L.G., Lantada N. (2008), Seismic Damage Evaluation in Urban Areas Using the Capacity Spectrum Method: Application to Barcelona. Soil Dyn. a. Earthquake Engng., 28, 10, 851-865. [2]. Benedetti D., Petrini V. (1984), Sulla vulnerabilita sismica di edifici in muratura i proposte di un metodo di valutazione. L’industria delle Construzioni, 149, 66-74. [3]. Calvi G.M., Magenes G., Bommer J.J., Pinho R., Crowley H., Restrepo-Vélez L.F. (2006), Displacement-Based Methods for Seismic

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Npp Safety in Slovakia According to Stress Tests After Accident in Fukushimi

properties. In ANSYS Conference and 29. CADFEM Users meeting 2011 . Stuttgart: 2011. p. 1-5. ISBN: 3-937523-08- 1. [4] IAEA, Safety Guide No. 28, Seismic Evaluation of Existing Nuclear Power Plants , IAEA, Vienna, 2003. [5] IAEA TECDOC-1487, Advanced nuclear plant design options to cope with external events , IAEA, Vienna, 2006. [6] IAEA, Development and Application of Level 2 Probabilistic Safety Assessment for Nuclear Power Plants . Draft Safety Guide DS393, Draft 6, February, 2008. [7] IAEA, The Great

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Modal Analysis of a Steel Radial Gate Exposed to Different Water Levels

Abstract

With the increase in water retention needs and planned river regulation, it might be important to investigate the dynamic resistance of vulnerable elements of hydroelectric power plants, including steelwater locks. The most frequent dynamic loads affecting hydroengineering structures in Poland include vibrations caused by heavy road and railway traffic, piling works and mining tremors. More destructive dynamic loads, including earthquakes, may also occur in our country, although their incidence is relatively low. However, given the unpredictable nature of such events, as well as serious consequences they might cause, the study of the seismic resistance of the steel water gate, as one of the most vulnerable elements of a hydroelectric power plant, seems to be important. In this study, a steel radial gate has been analyzed. As far as water gates are concerned, it is among the most popular solutions because of its relatively small weight, compared to plain gates. A modal analysis of the steel radial gate was conducted with the use of the FEM in the ABAQUS software. All structural members were modelled using shell elements with detailed geometry representing a real structure.Water was modelled as an added mass affecting the structure. Different water levels were used to determine the most vulnerable state of the working steel water gate. The results of the modal analysis allowed us to compare the frequencies and their eigenmodes in response to different loads, which is one of the first steps in researching the dynamic properties of steel water gates and their behaviour during extreme dynamic loads, including earthquakes.

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