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18 results on '"Kos, Zeljko"'

1. Principles of Modeling the Work of Damaged Columns Made of Compressed Reinforced Concrete

Author

Klymenko, Yevhenii, Grynyova, Iryna, Maksiuta, Olena, Kos, Zeljko, di Prisco, Marco, Series Editor, Chen, Sheng-Hong, Series Editor, Vayas, Ioannis, Series Editor, Kumar Shukla, Sanjay, Series Editor, Sharma, Anuj, Series Editor, Kumar, Nagesh, Series Editor, Wang, Chien Ming, Series Editor, Cui, Zhen-Dong, Series Editor, Blikharskyy, Zinoviy, editor, Koszelnik, Piotr, editor, Lichołai, Lech, editor, Nazarko, Piotr, editor, and Katunský, Dušan, editor

Published
2024
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5. Probabilistic Analysis of Window Frame Junctions' Thermal Reliability Indicators to Precast Concrete and Brick Walls.

Author

Kos, Zeljko, Pashynskyi, Victor, Pashynskyi, Mykola, Dzhyrma, Stanislav, and Grynyova, Iryna

Subjects
CONCRETE walls, BRICK walls, CURTAIN walls, FAILED states, THERMAL insulation, PRECAST concrete, DWELLINGS, EXTERIOR walls
Abstract

The side junctions of metal-plastic block frame windows to the walls of residential buildings at different positions of window frames in the wall cavity are analysed. The duration of thermal failure state by the condensate formation criterion was used as a probabilistic indicator of reliability. The units of uninsulated walls, erected in the second half of the 20th century, have a clearly insufficient thermal reliability level. Thermal insulation of walls according to current design standards in most cases ensures an acceptable of the thermal failure state duration. [ABSTRACT FROM AUTHOR]

Published
2024
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6. Operation of Damaged H-Shaped Columns

Author

Klymenko, Yevhenii, Kos, Zeljko, Grynyova, Iryna, Maksiuta, Olena, di Prisco, Marco, Series Editor, Chen, Sheng-Hong, Series Editor, Vayas, Ioannis, Series Editor, Kumar Shukla, Sanjay, Series Editor, Sharma, Anuj, Series Editor, Kumar, Nagesh, Series Editor, Wang, Chien Ming, Series Editor, and Blikharskyy, Zinoviy, editor

Published
2021
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13. Investigation of Residual Bearing Capacity of Inclined Sections of Damaged Reinforced Concrete Beams

Author

Grynyova Iryna, Klymenko Yevhenii, Kos Zeljko, and Polianskyi Kostiantyn

Subjects
experimental, beams, damage, residual capacity, Materials science, business.industry, experimental, beams, damage, residual capacity, Bearing capacity, Structural engineering, Residual, Reinforced concrete, business
Abstract

The article reports on the results of the numerical and the laboratory tests to determine the effect of concrete damages near support areas in compressed zone of the reinforced concrete beams on their residual bearing capacity of inclined sections. According to the experimental plan, 15 single-span freely supported experimental samples with dimensions of 100×200×1200 mm made with different artificial damages within the shear span aν (1d, 2d, and 3d) were tested. The numerical test of prototypes was performed in software complex LIRA-SAPR 2017. The results of laboratory and numerical experiments showed good convergence regarding the bearing capacity, however, the nature of the fracture in samples B11-B14 did not match. Empirical - conducting laboratory experiments on samples using modern methods of measurement; numerical modelling – using software complex LIRA-SAPR 2017; analysis and statistical processing of the obtained research results; comparison of the obtained results; abstraction; generalization; deduction; formulation of the main conclusions and recommendations. The analysis found that the bearing capacity decreases with increased area of damage and shear span. Conducting the calculations in software complex LIRA-SAPR allows to predict the work elements and determine the bearing capacity with good accuracy, but in comparison with the real data there still are some differences in the character of destruction.

Published
2020

17. Simulation-Based Training of the Rapid Evaluation and Management of Acute Stroke (STREAM)-A Prospective Single-Arm Multicenter Trial

Author

Bohmann, Ferdinand O., Kurka, Natalia, de Rochemont, Richard du Mesnil, Gruber, Katharina, Guenther, Joachim, Rostek, Peter, Rai, Heike, Zickler, Philipp, Ertl, Michael, Berlis, Ansgar, Poli, Sven, Mengel, Annerose, Ringleb, Peter, Nagel, Simon, Pfaff, Johannes, Wollenweber, Frank A., Kellert, Lars, Herzberg, Moriz, Koehler, Luzie, Haeusler, Karl Georg, Alegiani, Anna, Schubert, Charlotte, Brekenfeld, Caspar, Doppler, Christopher E. J., Onur, Oezguer A., Kabbasch, Christoph, Manser, Tanja, Pfeilschifter, Waltraud, Alotaibi, Mohammad, Batarfi, AbdulAziz, Brandhofe, Annemarie, Kestner, Roxane-Isabelle, Schaefer, Jan Hendrik, Schaller, Martin Alexander, Seiler, Alexander, Wallenwein, Stephanie, Willems, Laurent M., Steinmetz, Helmuth, Hattingen, Elke, Kos, Zeljko, Naumann, Markus, Blum, Corinna, Bombach, Paula, Zeller, Julia, Gumbinger, Christoph, Regula, Jens, Horstmann, Solveig, Heyse, Miriam, Dorozewski, Eva, Lamentner, Christian, I, Tilman, Reiff, Schieber, Simon, Mundiyanapurath, Sibu, Schoenenberger, Silvia, Mokli, Yahia, Moehlenbruch, Markus, Bewersdorf, Jan, Einhaeupl, Maximilian, Feil, Katharina, Klein, Matthias, Moehwald, Ken, Muehlbauer, Konstanze, Mulazzani, Mathias, Rohrer, Guido, Schoenedcer, Sonja, Dorn, Franziska, Mennemeyer, Philipp, Sandner, Torleif, Huber, Brigitte, Hill, Julia, Gavran, Jela, Audebert, Heinrich, Geran, Rohat, Schurig, Johannes, Lerm, Juliane, I, Kleefeld, Felix, Schoknecht, Karl, Jadranka, Denes, Brade, Kirsten, Wittenberg, Tatjana, Mayer-Runge, Ulrich, Bester, Maxim, Schoenfeld, Michael H., Flottmann, Fabian, Prilop, Lisa, Leischner, Iannes, Froelich, Andreas Maximilian, Roesner, Sabine, Broocks, Gabriel, Hanning, Uta, Guder, Stephanie, Bechstein, Matthias, Lange, Carmen, Kautz, Sebastian, Higgen, Focko L., Kyselyova, Anna, Thomalla, Goetz, Fiehler, Jens, Fink, Gereon Rudolf, Bonkhoff, Anna, Dronse, Julian, Kirsch, Katharina, Laurent, Sarah, von Reutern, Boris, Rosen, Jurij, Volz, Lukas, Werner, Jan-Michael, Woking, Michael, Seliger, Robert, Yildirim, Abdulkadir, Schlamann, Marc, Borggrefe, Jan, Bohmann, Ferdinand O., Kurka, Natalia, de Rochemont, Richard du Mesnil, Gruber, Katharina, Guenther, Joachim, Rostek, Peter, Rai, Heike, Zickler, Philipp, Ertl, Michael, Berlis, Ansgar, Poli, Sven, Mengel, Annerose, Ringleb, Peter, Nagel, Simon, Pfaff, Johannes, Wollenweber, Frank A., Kellert, Lars, Herzberg, Moriz, Koehler, Luzie, Haeusler, Karl Georg, Alegiani, Anna, Schubert, Charlotte, Brekenfeld, Caspar, Doppler, Christopher E. J., Onur, Oezguer A., Kabbasch, Christoph, Manser, Tanja, Pfeilschifter, Waltraud, Alotaibi, Mohammad, Batarfi, AbdulAziz, Brandhofe, Annemarie, Kestner, Roxane-Isabelle, Schaefer, Jan Hendrik, Schaller, Martin Alexander, Seiler, Alexander, Wallenwein, Stephanie, Willems, Laurent M., Steinmetz, Helmuth, Hattingen, Elke, Kos, Zeljko, Naumann, Markus, Blum, Corinna, Bombach, Paula, Zeller, Julia, Gumbinger, Christoph, Regula, Jens, Horstmann, Solveig, Heyse, Miriam, Dorozewski, Eva, Lamentner, Christian, I, Tilman, Reiff, Schieber, Simon, Mundiyanapurath, Sibu, Schoenenberger, Silvia, Mokli, Yahia, Moehlenbruch, Markus, Bewersdorf, Jan, Einhaeupl, Maximilian, Feil, Katharina, Klein, Matthias, Moehwald, Ken, Muehlbauer, Konstanze, Mulazzani, Mathias, Rohrer, Guido, Schoenedcer, Sonja, Dorn, Franziska, Mennemeyer, Philipp, Sandner, Torleif, Huber, Brigitte, Hill, Julia, Gavran, Jela, Audebert, Heinrich, Geran, Rohat, Schurig, Johannes, Lerm, Juliane, I, Kleefeld, Felix, Schoknecht, Karl, Jadranka, Denes, Brade, Kirsten, Wittenberg, Tatjana, Mayer-Runge, Ulrich, Bester, Maxim, Schoenfeld, Michael H., Flottmann, Fabian, Prilop, Lisa, Leischner, Iannes, Froelich, Andreas Maximilian, Roesner, Sabine, Broocks, Gabriel, Hanning, Uta, Guder, Stephanie, Bechstein, Matthias, Lange, Carmen, Kautz, Sebastian, Higgen, Focko L., Kyselyova, Anna, Thomalla, Goetz, Fiehler, Jens, Fink, Gereon Rudolf, Bonkhoff, Anna, Dronse, Julian, Kirsch, Katharina, Laurent, Sarah, von Reutern, Boris, Rosen, Jurij, Volz, Lukas, Werner, Jan-Michael, Woking, Michael, Seliger, Robert, Yildirim, Abdulkadir, Schlamann, Marc, and Borggrefe, Jan

Abstract

Introduction: Acute stroke care delivered by interdisciplinary teams is time-sensitive. Simulation-based team training is a promising tool to improve team performance in medical operations. It has the potential to improve process times, team communication, patient safety, and staff satisfaction. We aim to assess whether a multi-level approach consisting of a stringent workflow revision based on peer-to-peer review and 2-3 one-day in situ simulation trainings can improve acute stroke care processing times in high volume neurocenters within a 6 months period. Methods and Analysis: The trial is being carried out in a pre-test-post-test design at 7 tertiary care university hospital neurocenters in Germany. The intervention is directed at the interdisciplinary multiprofessional stroke teams. Before and after the intervention, process times of all direct-to-center stroke patients receiving IV thrombolysis (IVT) and/or endovascular therapy (EVT) will be recorded. The primary outcome measure will be the door-to-needle time of all consecutive stroke patients directly admitted to the neurocenters who receive IVT. Secondary outcome measures will be intervention-related process times of the fraction of patients undergoing EVT and effects on team communication, perceived patient safety, and staff satisfaction via a staff questionnaire. Interventions: We are applying a multi-level intervention in cooperation with three STREAM multipliers from each center. First step is a central meeting of the multipliers at the sponsor's institution with the purposes of algorithm review in a peer-to-peer process that is recorded in a protocol and an introduction to the principles of simulation training and debriefing as well as crew resource management and team communication. Thereafter, the multipliers cooperate with the stroke team trainers from the sponsor's institution to plan and execute 2-3 one-day simulation courses in situ in the emergency department and CT room of the trial centers wher

Published
2019

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