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Author : Anonim
Publisher : Unknown
Page : 40 pages
File Size : 45,5 Mb
Release : 1995
Category : Buildings, Reinforced concrete
ISBN : UIUC:30112104065690
Author : Anonim
Publisher : Unknown
Page : 654 pages
File Size : 52,5 Mb
Release : 1996
Category : Structural engineering
ISBN : MINN:31951D02087640S
Author : Anonim
Publisher : Unknown
Page : 188 pages
File Size : 42,5 Mb
Release : 1995
Category : Reinforced concrete construction
ISBN : UCSD:31822037383601
Author : Anonim
Publisher : Unknown
Page : 116 pages
File Size : 50,5 Mb
Release : 1987
Category : Earthquake engineering
ISBN : CORNELL:31924067507966
Author : Stelios Antoniou
Publisher : John Wiley & Sons
Page : 549 pages
File Size : 44,8 Mb
Release : 2023-01-31
Category : Technology & Engineering
ISBN : 9781119987345
Seismic Retrofit of Existing Reinforced Concrete Buildings Understand the complexities and challenges of retrofitting building infrastructure Across the world, buildings are gradually becoming structurally unsound. Many were constructed before seismic load capacity was a mandatory component of building standards, and were often built with low-quality materials or using unsafe construction practices. Many more are simply aging, with materials degrading, and steel corroding. As a result, efforts are ongoing to retrofit existing structures, and to develop new techniques for assessing and enhancing seismic load capacity in order to create a safer building infrastructure worldwide. Seismic Retrofit of Existing Reinforced Concrete Buildings provides a thorough book-length discussion of these techniques and their applications. Balancing theory and practice, the book provides engineers with a broad base of knowledge from which to approach real-world seismic assessments and retrofitting projects. It incorporates knowledge and experience frequently omitted from the building design process for a fuller account of this critical engineering subfield. Seismic Retrofit of Existing Reinforced Concrete Buildings readers will also find: Detailed treatment of each available strengthening technique, complete with advantages and disadvantages In-depth guidelines to select a specific technique for a given building type and/or engineering scenario Step-by-step guidance through the assessment/retrofitting process Seismic Retrofit of Existing Reinforced Concrete Buildings is an ideal reference for civil and structural engineering professionals and advanced students, particularly those working in seismically active areas.
Author : Sachin Kuckian
Publisher : GRIN Verlag
Page : 90 pages
File Size : 55,6 Mb
Release : 2019-08-05
Category : Science
ISBN : 9783668992764
Master's Thesis from the year 2015 in the subject Engineering - Geotechnology, grade: 9.44, , course: Masters (Structural Engineering), language: English, abstract: The present study investigates the seismic behavior of multi-story building using damping devices strategically located within the lateral load resisting elements. It concentrates on a retrofitting strategy with passive energy dissipation device known as Fluid Viscous Damper (FVD) which will be applicable to new design as well as retrofitting existing buildings to ensure seismic safety by fitting damping devices which can transform a wall panel into a damping element. The first study involves analysis of a nine-story model having cut-outs and the use of the dampers of different configuration in these structures. The second study involves the use the diagonal brace configuration dampers provided in the cutout sections of 2D 9, 18, 27 storey structures and 3D 27 storey with core wall structure at three consecutive story levels each. For the second study, the cut out locations is varied depending on their relative positions. The relative position is the ratio of the total height of the structure to the upper edge of the topmost cut-out. These structures were initially modeled and time history analysis was performed on the structure without FVD and the structure retrofitted with FVD. Three different ground motions were used for the analysis. Results of the un- retrofitted structures are then compared with a retrofitted structure in terms of peak story displacements, roof accelerations, and pseudo-spectral accelerations. Study shows that there has been a significant reduction in seismic demands for a structure retrofitted with FVD in terms of peak storey displacements, pseudo-spectral accelerations and roof accelerations when the dampers are placed at lower three cut outs i.e. with high relative position. It is also observed that damping coefficient value obtained is least for upper toggle-brace configuration out of the four different damper configurations and with maximum reduction compared to other configurations. For modeling and analysis purpose the software SAP2000® is used. Through the study it could be concluded that FVD significantly reduces the seismic demands of the structure in terms of peak storey displacements, pseudo-spectral accelerations and roof accelerations. This suggests that FVDs can be efficiently used in retrofitting. Also damping coefficient value obtained is least for upper toggle-brace configuration out of the four different damper configurations suggesting this is the most efficient configuration for retrofitting.
Author : National Center for Earthquake Engineering Research (U.S.)
Publisher : Unknown
Page : 276 pages
File Size : 49,7 Mb
Release : 1994
Category : Earthquake engineering
ISBN : CORNELL:31924102000944
Author : T.T. Soong,M.C. Costantinou
Publisher : Springer
Page : 380 pages
File Size : 40,7 Mb
Release : 2014-05-04
Category : Computers
ISBN : 9783709130124
Base isolation, passive energy dissipation and active control represent three innovative technologies for protection of structures under environmental loads. Increasingly, they are being applied to the design of new structures or to the retrofit of existing structures against wind, earthquakes and other external loads. This book, with contributions from leading researchers from Japan, Europe, and the United States, presents a balanced view of current research and world-wide development in this exciting and fast expanding field. Basic principles as well as practical design and implementational issues associated with the application of base isolation systems and passive and active control devices to civil engineering structures are carefully addressed. Examples of structural applications are presented and extensively discussed.
Author : Anonim
Publisher : Unknown
Page : 936 pages
File Size : 45,6 Mb
Release : 1996
Category : Government publications
ISBN : NWU:35556028729648
Author : Anonim
Publisher : Unknown
Page : 616 pages
File Size : 46,8 Mb
Release : 1996
Category : Buildings
ISBN : UOM:39015036319443
Author : Osamu Takahashi,Atsuki Yokoyama
Publisher : CRC Press
Page : 259 pages
File Size : 49,6 Mb
Release : 2023-09-05
Category : Technology & Engineering
ISBN : 9781000970029
The high damping force of oil damper vibration control systems in buildings offers relative safety during earthquakes and at a low environmental cost. The oil damper is connected using braces in series and is installed with pins to the building structure, which minimizes the impact on the building structure and allows installation and removal with ease. This is the first book detailing experimental work and cases of the use of oil dampers in buildings. It shows their effectiveness by detailing the testing and analysis of buildings with them placed at braced positions, exposed to small amplitude vibration, and without them. • The only comprehensive presentation of oil damper vibration control • Covers analysis and design, with case studies and details of testing and experimental results The book is organized systematically to suit students and junior professionals in structural design as well as more specialist engineers. An additional Python code sample is available online for learning the behaviors of oil dampers (Jupyter Notebook environment required). Osamu Takahashi is a professor at Tokyo University of Science, founder of Science Kozo Inc., and an advisor to the New International Structural Design & Engineering Challenge Association, in Japan. Atsuki Yokoyama works in the Research and Development Department of Sanwa Tekki Corporation and has a PhD in Engineering from Tokyo University of Science.
Author : Anonim
Publisher : Unknown
Page : 390 pages
File Size : 43,7 Mb
Release : 1994
Category : Mechanics, Applied
ISBN : OSU:32435051265205
Author : Lagaros, Nikos D.
Publisher : IGI Global
Page : 414 pages
File Size : 45,7 Mb
Release : 2012-08-31
Category : Technology & Engineering
ISBN : 9781466620308
A typical engineering task during the development of any system is, among others, to improve its performance in terms of cost and response. Improvements can be achieved either by simply using design rules based on the experience or in an automated way by using optimization methods that lead to optimum designs. Design Optimization of Active and Passive Structural Control Systems includes Earthquake Engineering and Tuned Mass Damper research topics into a volume taking advantage of the connecting link between them, which is optimization. This is a publication addressing the design optimization of active and passive control systems. This title is perfect for engineers, professionals, professors, and students alike, providing cutting edge research and applications.
Author : Federico M. Mazzolani
Publisher : CRC Press
Page : 1068 pages
File Size : 49,8 Mb
Release : 2010-08-27
Category : Technology & Engineering
ISBN : 9780203833636
COST is an intergovernmental framework for European Cooperation in Science and Technology, allowing the coordination of nationally-funded research on a European level. Part of COST was COST Action C26Urban Habitat Constructions Under Catastrophic Events which started in 2006 and held its final conference in Naples, Italy, on 16-18 September 201
Author : Anonim
Publisher : Unknown
Page : 292 pages
File Size : 50,7 Mb
Release : 2003
Category : Earthquake engineering
ISBN : CORNELL:31924098266293