EXperimental Computational Hybrid Assessment of Natural Gas pipelines Exposed to Seismic Risk

Rezultaty

GIS-based Software & Final Benchmark for Seismic Resilience of NG

GIS-based Software development for Seismic Resilience of NG transmission Networks. Final benchmark post-earthquake network analysis

Development of macro-elements & cyclic force-deformation relationships for soil-pipe interaction

State-of-the-art and -practice numerical methods for soil pipeline. interaction. Development of macro-elements for soil-pipe interaction. Development of cyclic force-deformation relationships.

Impact of spatial variability of ground motion in the response of NG pipelines

State-of-the-art and -practice predictive methods for spatially variable seismic displacements.. Impact of spatial variability of earthquake ground motion in the strain demand of extended pipelines considering the angle of incidence of seismic waves.

Fragility curves of NG pipes, pipelines, related structures and networks

Individual (single damage mode) fragility curves of NG pipelines. Multi-damage fragility of pipelines. New fragility curves for Metering/Regulating stations.Multi-damage Seismic Risk assessment of natural gas pipeline Networks.

Multiple Support Excitation Testing of a NG pipe considering soil compliance
Progress Report 2
Progress Report 1

Progress Report

Methodology for the quick recovery of NG pipeline Networks
Seismically induced hazards, failure modes and limit states and performance indicators of NG pipelines

Seismically induced hazards, failure modes, limit states and performance indicators of NG pipelines

NG pipeline health monitoring and inspection methods
Geographically Distributed Hybrid Testing of an NG pipeline

Preliminary NG pipe preliminary connection testing. Geographically Distributed Hybrid Testing of an NG pipeline considering soil compliance and multiple support excitation

Comprehensive Methodology & Software for the generating seismic scenarios of NG pipelines

Comprehensive Methodology & Software for the stochastic generation of seismically-induced deformations along extended pipelines. Application of the methodology and software for generating suites of seismic displacements for the purposes of Hybrid Testing

Cost-effective monitoring technologies to detect damage in buried pipelines

State-of-the-art report on existing methods for cost-effective monitoring technologies to detect damage in buried pipelines. New methods to identify post-quake soil failure through ultrasound detection. Technical specifications of a complete monitoring system for post-earthquake rating of natural gas pipelines and its integration to the Decision Support System.

Electronic Database & Knowledge Portal on Taxonomy of Natural Gas pipelines

Database on Taxonomy of natural gas pipelines. Online Knowledge Portal on Seismic Risk of Natural Gas Pipelines. Online Database of NG pipeline hazards.

Mid term meeting

Mid term meeting should take place around month 14

Proceedings of the Project Symposium

Proceedings of the project Symposium

Proceedings of the Summer School at the University of Weimar
Proceedings of the Mid-Term International Summer School
Proceedings of the Final Project Workshop

Publikacje

Seismic actions on structures in the near-source region of the 2016 central Italy sequence

Autorzy: Iunio Iervolino, Georgios Baltzopoulos, Eugenio Chioccarelli, Akiko Suzuki
Opublikowane w: Bulletin of Earthquake Engineering, 2017, ISSN 1570-761X
Wydawca: Kluwer Academic Publishers
DOI: 10.1007/s10518-017-0295-3

Safety of buried steel natural gas pipelines under earthquake-induced ground shaking: A review

Autorzy: Nikolaos K. Psyrras, Anastasios G. Sextos
Opublikowane w: Soil Dynamics and Earthquake Engineering, Numer 106, 2018, Strona(/y) 254-277, ISSN 0267-7261
Wydawca: Pergamon Press Ltd.
DOI: 10.1016/j.soildyn.2017.12.020

Stochastic energy measures for hybrid base isolation systems

Autorzy: Athanasios A. Markou, George Stefanou, George D. Manolis
Opublikowane w: Soil Dynamics and Earthquake Engineering, Numer Vol. 119, 2018, Strona(/y) 454-470, ISSN 0267-7261
Wydawca: Pergamon Press Ltd.
DOI: 10.1016/j.soildyn.2018.01.027

Mechanical models for shear behavior in high damping rubber bearings

Autorzy: Athanasios A. Markou, George D. Manolis
Opublikowane w: Soil Dynamics and Earthquake Engineering, Numer 90, 2016, Strona(/y) 221-226, ISSN 0267-7261
Wydawca: Pergamon Press Ltd.
DOI: 10.1016/j.soildyn.2016.08.035

Mechanical formulations for bilinear and trilinear hysteretic models used in base isolators

Autorzy: Athanasios A. Markou, George D. Manolis
Opublikowane w: Bulletin of Earthquake Engineering, Numer 14/12, 2016, Strona(/y) 3591-3611, ISSN 1570-761X
Wydawca: Kluwer Academic Publishers
DOI: 10.1007/s10518-016-0014-5

Can a buried gas pipeline experience local buckling during earthquake ground shaking?

Autorzy: N. Psyrras, O. Kwon, S. Gerasimidis, A. Sextos
Opublikowane w: Soil Dynamics and Earthquake Engineering, Numer 116, 2019, Strona(/y) 511-529, ISSN 0267-7261
Wydawca: Pergamon Press Ltd.
DOI: 10.1016/j.soildyn.2018.10.027

Scenario-Based Seismic Risk Assessment for Buried Transmission Gas Pipelines at Regional Scale

Autorzy: Raffaele De Risi, Flavia De Luca, Oh-Sung Kwon, Anastasios Sextos
Opublikowane w: Journal of Pipeline Systems Engineering and Practice, Numer 9/4, 2018, Strona(/y) 04018018, ISSN 1949-1190
Wydawca: ASCE
DOI: 10.1061/(asce)ps.1949-1204.0000330

REASSESS V2.0: software for single- and multi-site probabilistic seismic hazard analysis

Autorzy: Eugenio Chioccarelli, Pasquale Cito, Iunio Iervolino, Massimiliano Giorgio
Opublikowane w: Bulletin of Earthquake Engineering, 2018, ISSN 1570-761X
Wydawca: Kluwer Academic Publishers
DOI: 10.1007/s10518-018-00531-x

On the number of records for structural risk estimation in PBEE

Autorzy: Georgios Baltzopoulos, Roberto Baraschino, Iunio Iervolino
Opublikowane w: Earthquake Engineering & Structural Dynamics, 2018, ISSN 0098-8847
Wydawca: John Wiley & Sons Inc.
DOI: 10.1002/eqe.3145

Nonlinear soil-pile interaction for offshore wind turbines

Autorzy: Athanasios A. Markou, Amir M. Kaynia
Opublikowane w: Wind Energy, Numer 21/7, 2018, Strona(/y) 558-574, ISSN 1095-4244
Wydawca: John Wiley & Sons Inc.
DOI: 10.1002/we.2178

A frequency-dependent and intensity-dependent macroelement for reduced order seismic analysis of soil-structure interacting systems

Autorzy: Nikolaos Lesgidis, Anastasios Sextos, Oh-Sung Kwon
Opublikowane w: Earthquake Engineering & Structural Dynamics, Numer 47/11, 2018, Strona(/y) 2172-2194, ISSN 0098-8847
Wydawca: John Wiley & Sons Inc.
DOI: 10.1002/eqe.3063

Modeling of high damping rubber bearings under bidirectional shear loading

Autorzy: Nicholas D. Oliveto, Athanasios A. Markou, Anastasia Athanasiou
Opublikowane w: Soil Dynamics and Earthquake Engineering, Numer 118, 2019, Strona(/y) 179-190, ISSN 0267-7261
Wydawca: Pergamon Press Ltd.
DOI: 10.1016/j.soildyn.2018.12.017

A critical review on the vulnerability assessment of natural gas pipelines subjected to seismic wave propagation. Part 1: Fragility relations and implemented seismic intensity measures

Autorzy: Grigorios Tsinidis, Luigi Di Sarno, Anastasios Sextos, Peter Furtner
Opublikowane w: Tunnelling and Underground Space Technology, Numer 86, 2019, Strona(/y) 279-296, ISSN 0886-7798
Wydawca: Pergamon Press Ltd.
DOI: 10.1016/j.tust.2019.01.025

A critical review on the vulnerability assessment of natural gas pipelines subjected to seismic wave propagation. Part 2: Pipe analysis aspects

Autorzy: Grigorios Tsinidis, Luigi Di Sarno, Anastasios Sextos, Peter Furtner
Opublikowane w: Tunnelling and Underground Space Technology, Numer 92, 2019, Strona(/y) 103056, ISSN 0886-7798
Wydawca: Pergamon Press Ltd.
DOI: 10.1016/j.tust.2019.103056

Seismic fragility of buried steel natural gas pipelines due to axial compression at geotechnical discontinuities

Autorzy: Grigorios Tsinidis, Luigi Di Sarno, Anastasios Sextos, Peter Furtner
Opublikowane w: Bulletin of Earthquake Engineering, 2019, ISSN 1570-761X
Wydawca: Kluwer Academic Publishers
DOI: 10.1007/s10518-019-00736-8

Optimal intensity measures for the structural assessment of buried steel natural gas pipelines due to seismically-induced axial compression at geotechnical discontinuities

Autorzy: Grigorios Tsinidis, Luigi Di Sarno, Anastasios Sextos, Peter Furtner
Opublikowane w: Soil Dynamics and Earthquake Engineering, Numer 131, 2020, Strona(/y) 106030, ISSN 0267-7261
Wydawca: Pergamon Press Ltd.
DOI: 10.1016/j.soildyn.2019.106030

Dynamic analysis of single-degree-of-freedom systems (DYANAS): A graphical user interface for OpenSees

Autorzy: Georgios Baltzopoulos, Roberto Baraschino, Iunio Iervolino, Dimitrios Vamvatsikos
Opublikowane w: Engineering Structures, Numer 177, 2018, Strona(/y) 395-408, ISSN 0141-0296
Wydawca: Pergamon Press Ltd.
DOI: 10.1016/j.engstruct.2018.09.078

Analysis of warping and distortion transmission in mixed shell–GBT (generalized beam theory) models

Autorzy: Marcelo J. Bianco, Abinet K. Habtemariam, Carsten Könke, Volkmar Zabel
Opublikowane w: International Journal of Advanced Structural Engineering, Numer 11/1, 2019, Strona(/y) 109-126, ISSN 2008-3556
Wydawca: SPRINGER
DOI: 10.1007/s40091-019-0221-9

Numerical Solutions for Nonlinear High Damping Rubber Bearing Isolators: Newmark’s Method with Netwon-Raphson Iteration Revisited

Autorzy: A.A. Markou, G.D. Manolis
Opublikowane w: Journal of Theoretical and Applied Mechanics, Numer 48/1, 2018, Strona(/y) 46-58, ISSN 1314-8710
Wydawca: Journal of Theoretical and Applied Mechanics
DOI: 10.2478/jtam-2018-0004

Exact finite element formulation in generalized beam theory

Autorzy: M. J. Bianco, C. Könke, A. Habtemariam, V. Zabel
Opublikowane w: International Journal of Advanced Structural Engineering, Numer 10/3, 2018, Strona(/y) 295-323, ISSN 2008-3556
Wydawca: SPRINGER
DOI: 10.1007/s40091-018-0199-8

Simplified design of bridges for multiple-support earthquake excitation

Autorzy: Savvas P. Papadopoulos, Anastasios G. Sextos
Opublikowane w: Soil Dynamics and Earthquake Engineering, Numer 131, 2020, Strona(/y) 106013, ISSN 0267-7261
Wydawca: Pergamon Press Ltd.
DOI: 10.1016/j.soildyn.2019.106013

Physical Modeling of the Seismic Response of Gas Pipelines in Laterally Inhomogeneous Soil

Autorzy: N. Psyrras, A. Sextos, A. Crewe, M. Dietz, G. Mylonakis
Opublikowane w: Journal of Geotechnical and Geoenvironmental Engineering, Numer 146/5, 2020, Strona(/y) 04020031, ISSN 1090-0241
Wydawca: American Society of Civil Engineers
DOI: 10.1061/(asce)gt.1943-5606.0002242

Dynamic response of buried pipelines in randomly structured soil

Autorzy: George D. Manolis, George Stefanou, Athanasios A. Markou
Opublikowane w: Soil Dynamics and Earthquake Engineering, Numer 128, 2020, Strona(/y) 105873, ISSN 0267-7261
Wydawca: Pergamon Press Ltd.
DOI: 10.1016/j.soildyn.2019.105873

Analysis of support coupling GBT (Generalized Beam Theory) applied in pipeline systems

Autorzy: Marcelo J. Bianco, Abinet K. Habtemariam, Carsten Könke, Fabiola Tartaglione, Volkmar Zabel
Opublikowane w: Thin-Walled Structures, Numer 146, 2020, Strona(/y) 106439, ISSN 0263-8231
Wydawca: Elsevier BV
DOI: 10.1016/j.tws.2019.106439

EXCHANGE-Risk: Experimental & Computational Hybrid Assessment of Natural Gas Pipelines Exposed to Seismic Risk

Autorzy: Sextos, A., Bousias, S., Kwon, O.-S., Di Sarno, L., Iervolino, I., Manolis, G., Kaynia, A., Crewe, A., Wenzel, H. Wuttke, F., Zabel, V., Koenke, C.
Opublikowane w: 16th European Conference in Earthquake Engineering, Thessaloniki 18-21 June, Numer paper no. 2122., 2018
Wydawca: 16th European Conference in Earthquake Engineering

Impact of Spatial Variability of Earthquake Ground Motion on Seismic Demand to Natural Gas Transmission Pipelines

Autorzy: Papadopoulos, S.P., Sextos, A.G., Kwon, O.-S., Gerasimidis, S. and G. Deodatis
Opublikowane w: 16th World Conference on Earthquake Engineering, Santiago, Chile, 9-13 January, 2017
Wydawca: 16th World Conference on Earthquake Engineering

Soil-Pipe Interaction Phenomena on Slopes Under Asynchronous Earthquake Excitation

Autorzy: Markou, A., AM Kaynia, A Sextos, GD Manolis
Opublikowane w: 16th European Conference on Earthquake Engineering, 18-21 June 2018, Thessaloniki, Greece., 2018
Wydawca: 16th European Conference on Earthquake Engineering

On the numerical simulation of the response of gas pipelines under compression

Autorzy: Tsinidis G, Di Sarno L, Sextos A, Psyrras N, Furtner P
Opublikowane w: 9th International Conference on Advances in Steel Structures, ICASS'2018, 5-7 Dec 2018, Hong Kong, China,, Numer 9th International Conference on Advances in Steel Structures, ICASS'2018, 5-7 Dec 2018, Hong Kong, China,, 2018
Wydawca: 9th International Conference on Advances in Steel Structures, ICASS'2018, 5-7 Dec 2018, Hong Kong, China,
DOI: 10.18057/icass2018.201

Experimental Identification of Stiffness and Ultimate Resistance of Buried Soil-Pipe Systems

Autorzy: Adam John Crewe, Anastasios Sextos, Rebecca Stubbs, George Mylonakis
Opublikowane w: 16 European Conference in Earthquake Engineering, 2018
Wydawca: European Association of Earthquake Engineering

THE SEISMIC RESPONSE OF NATURAL GAS PIPELINES BURIED IN DISCONTINUOUS PERMAFROST UNDER VERTICALLY PROPAGATING SHEAR WAVES: PARAMETRIC ANALYSIS

Autorzy: Daniel A. Pohoryles, Luigi Di Sarno, Oh-Sung Kwon, Marianna Ercolino, Anastasios Sextos
Opublikowane w: Proceedings of the 7th International Conference on Computational Methods in Structural Dynamics and Earthquake Engineering (COMPDYN 2015), 2019, Strona(/y) 4281-4299, ISBN 978-618-82844-5-6
Wydawca: Institute of Structural Analysis and Antiseismic Research School of Civil Engineering National Technical University of Athens (NTUA) Greece
DOI: 10.7712/120119.7227.19304

Soil-pipe interaction under cyclic lateral loading and development of P - y curves

Autorzy: Tryfonos, K., Kwon, O., and Bousias, S. (2019)
Opublikowane w: 2nd International Conference on Natural Hazards & Infrastructure, Chania, Greece, June 23-16., Numer 2019, 2019
Wydawca: 2nd International Conference on Natural Hazards & Infrastructure, Chania, Greece

STOCHASTIC RESPONSE OF NONLINEAR BASE ISOLATION SYSTEMS

Autorzy: Athanasios Markou, George Stefanou, George Manolis
Opublikowane w: Proceedings of the 6th International Conference on Computational Methods in Structural Dynamics and Earthquake Engineering (COMPDYN 2015), Numer 2018, 2017, Strona(/y) 4726-4739, ISBN 978-618-82844-3-2
Wydawca: Institute of Structural Analysis and Antiseismic Research School of Civil Engineering National Technical University of Athens (NTUA) Greece
DOI: 10.7712/120117.5757.17761

High damping rubber bearing isolators: quasi-linear mechanical model formulations, ,

Autorzy: AA Markou, GD Manolis.
Opublikowane w: COMPDYN 2017, 5-17 June 2017, Rhodes Island, Greece., Numer 2017, 2017
Wydawca: COMPDYN 2017, 6th ECCOMAS Thematic Conference in Structural Dynamics and Earthquake Engineering, 5-17 June 2017, Rhodes Island, Greece.

Hazard-Consistent Intensity Measure Conversion of Fragility Curves, 13th International Conference on Applications of Statistics and Probability in Civil Engineering (ICASP13), Seoul, South Korea, May 26-30.

Autorzy: Suzuki A., Iervolino I.
Opublikowane w: 13th International Conference on Applications of Statistics and Probability in Civil Engineering (ICASP13), Seoul, South Korea, May 26-30., Numer 2019, 2019
Wydawca: 13th International Conference on Applications of Statistics and Probability in Civil Engineering (ICASP13), Seoul, South Korea, May 26-30.

Ground motion sample size vs estimation uncertainty in seismic risk,

Autorzy: Baltzopoulos G, Iervolino I., Baraschino R. (2019)
Opublikowane w: 13th International Conference on Applications of Statistics and Probability in Civil Engineering (ICASP13), Seoul, South Korea, May 26-30., Numer 2019, 2019
Wydawca: 13th International Conference on Applications of Statistics and Probability in Civil Engineering (ICASP13), Seoul, South Korea, May 26-30.

Comparing alternative models for multisite probabilistic seismic risk analysis,

Autorzy: Cito P., Chioccarelli E., Iervolino I.
Opublikowane w: 13th International Conference on Applications of Statistics and Probability in Civil Engineering (ICASP13), Seoul, South Korea, May 26-30., Numer 2019, 2019
Wydawca: Cito P., Chioccarelli E., Iervolino I.

Nonlinear Ovalization Analysis of Thin-walled Circular Pipes in Generalized Beam Theory. 5

Autorzy: Habtemariam, A.K., Bianco, M.J., Könke, C. and Zabel, V.
Opublikowane w: 5th ECCOMAS Young Investigators Conference (YIC2019). AGH University of Science and Technology, Krakow, Poland., Numer 2019, 2019
Wydawca: th ECCOMAS Young Investigators Conference (YIC2019). AGH University of Science and Technology, Krakow, Poland.

Analysis of support conditions applying couplingbased deformation modes in Generalised Beam Theory (GBT).

Autorzy: Tartaglione, F., Bianco, M. J. , Habtemariam, A. K., Zabel, V. and Könke, C.
Opublikowane w: Proceedings of the 8th GACM Colloquium on Computational Mechanics. GACM 2019. Universität Kassel. Kassel., Numer Proceedings of the 8th GACM Colloquium on Computational Mechanics (p.291-294). GACM 2019. Universität Kassel. Kassel., 2019
Wydawca: Universität Kassel. Kassel

Safety factors of buried steel natural gas pipelines under spatially variable earthquake ground motion.

Autorzy: Psyrras, Nikolaos & Sextos, Anastasios & Kwon, Oh-Sung & Gerasimidis, Simos.
Opublikowane w: 11th U.S. National Conference on Earthquake Engineering, At Los Angeles, California, Numer 2018, 2018
Wydawca: 11th U.S. National Conference on Earthquake Engineering, At Los Angeles, California

“A Frequency- and Intensity-Dependent, Lumped Parameter Model for Considering SSI Effects on Seismic Bridge Design and Assessment,”

Autorzy: Sextos, A., Lesgidis, N., and Kwon, O.
Opublikowane w: 11th National Conference on Earthquake Engineering, Los Angeles, U.S., June 25-29, Numer 2018, 2018
Wydawca: 11th National Conference on Earthquake Engineering, Los Angeles, U.S., June 25-29

Stochastic Response, of Nonlinear Base isolation systems

Autorzy: AA Markou, G Stefanou, GD Manolis
Opublikowane w: COMPDYN 2017, 6th ECCOMAS Thematic Conference in Structural Dynamics and Earthquake Engineering, 5-17 June 2017,, 2017
Wydawca: ECCOMAS Thematic Conference in Structural Dynamics and Earthquake Engineering

Numerical and analytical solutions for nonlinear high damping rubber bearing isolators: Newmark's method revisited

Autorzy: AA Markou, GD Manolis
Opublikowane w: 13th National Congress on Theoretical and Applied Mechanics, Numer 6-10 September 2017, 2017
Wydawca: 13th National Congress on Theoretical and Applied Mechanics

Simulation der Antwort von oberirdischen Rohrleitungen auf Erdbebeneinwirkung unter Verwendung der Verallgemeinerten Technischen Biegetheorie.

Autorzy: Habtemariam, A.K., Zabel, V., Bianco, M.J. and Könke, C.
Opublikowane w: Tagungsband der D-A-CH Tagung Erdbebeningenieurwesen und Baudynamik, 2019. Universität Innsbruck, Innsbruck., 2019
Wydawca: Tagung Erdbebeningenieurwesen und Baudynamik

Study of pipeline buckling by controlling pipe-soil friction using finite element analysis

Autorzy: De Leeuw, L., Diambra, A., Dietz, M., Milewski, H., Kwon, O., and Sextos, A.
Opublikowane w: 4th International Symposium on Frontiers in Offshore Geotechnics, 2020
Wydawca: 4th International Symposium on Frontiers in Offshore Geotechnics

Study of seismic effects in pipelines using Generalized Beam Theory. accepted.

Autorzy: Habtemariam, A. K., Zabel, V., Könke, C., Bianco, M. J. & Tartaglione, F.
Opublikowane w: Second International Conference on Seismic Design of Industrial Facilities (SeDIF2020), 2020
Wydawca: Second International Conference on Seismic Design of Industrial Facilities (SeDIF2020)

Strong cyclic loading of an industrial piping system

Autorzy: Karvelas, C., Stathas, N., Strepelias, E., Palios, X., Chatzopoulou, G., Bousias, S., Karamanos, S.A.
Opublikowane w: 2nd International Conference on Natural Hazards and Infrastructure (ICONHIC) Workshop on Natural Hazards & Pipeline Infrastructure, 2019
Wydawca: Natural Hazards and Infrastructure (ICONHIC) Workshop on Natural Hazards & Pipeline Infrastructure

Seismic pipe-soil-structure-interaction in urban areas

Autorzy: Karatzia, X, Borsutzky, R, Mylonakis, G, Sextos
Opublikowane w: D-A-CH Tagung Erdbebeningenieurwesen & Baudynamik, 2019
Wydawca: Universität Innsbruck.

Hybrid Testing for Assessing the Coupled Seismic Response of a Natural Gas Pipeline Linking Two Structures Within a Pressurising Station (accepted)

Autorzy: Park, J., Zhang, Z., Kwon, O., Bousias, S., and Sextos, A.
Opublikowane w: 17th World Conference on Earthquake Engineering, 2020
Wydawca: 17th World Conference on Earthquake Engineering

Erratum zu: Coupling between Shell and Generalized Beam Theory (GBT) elements

Autorzy: Marcelo J. Bianco, Carsten Könke, Abinet Habtemariam, Volkmar Zabel
Opublikowane w: Forschungskolloquium 2018 Grasellenbach - Baustatik-Baupraxis e.V., Numer 2018, 2018, Strona(/y) E1-E1, ISBN 978-3-658-23626-7
Wydawca: Springer Fachmedien Wiesbaden
DOI: 10.1007/978-3-658-23627-4_34

Complementary shear and transversal elongation modes in Generalized Beam Theory (GBT) for thin-walled circular cross-sections.

Autorzy: Bianco, M. J., Habtemariam, A. K., Könke, C., Tartaglione, F., & Zabel, V.
Opublikowane w: Advances in Engineering Materials, Structures and Systems: Innovations, Mechanics and Applications Proceedings of the 7th International Conference on Structural Engineering, Mechanics and Computation (SEMC 2019), September 2-4, 2019, Cape Town, South Africa By Alphose Zingoni, Numer 2019, 2019, ISBN 9781-138386969
Wydawca: ROUTLEDGE -CRC Press

Rezultaty

Publikacje

Udostępnij tę stronę Udostępnij tę stronę w mediach społecznościowych

Pobierz Pobierz zawartość strony