Principles and Performance of Roller Seismic Isolation Bearings for Highway Bridges PDF Download
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Author:
Publisher:
ISBN:
Category : Bridges
Languages : en
Pages : 190
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Book Description
Author:
Publisher:
ISBN:
Category : Bridges
Languages : en
Pages : 190
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Book Description
Author:
Publisher:
ISBN:
Category : Earthquake engineering
Languages : en
Pages : 256
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Book Description
Author: Abbas Moustafa
Publisher: BoD – Books on Demand
ISBN: 9535101234
Category : Technology & Engineering
Languages : en
Pages : 540
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Book Description
This book deals with earthquake-resistant structures, such as, buildings, bridges and liquid storage tanks. It contains twenty chapters covering several interesting research topics written by researchers and experts in the field of earthquake engineering. The book covers seismic-resistance design of masonry and reinforced concrete structures to be constructed as well as safety assessment, strengthening and rehabilitation of existing structures against earthquake loads. It also includes three chapters on electromagnetic sensing techniques for health assessment of structures, post earthquake assessment of steel buildings in fire environment and response of underground pipes to blast loads. The book provides the state-of-the-art on recent progress in earthquake-resistant structures. It should be useful to graduate students, researchers and practicing structural engineers.
Author: Highway Innovative Technology Evaluation Center (U.S.)
Publisher: ASCE Publications
ISBN: 9780784474570
Category : Technology & Engineering
Languages : en
Pages : 52
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Book Description
Prepared by the Highway Innovative Technology Evaluation Center (HITEC), a CERF Service Center. This report summarizes the results of a detailedØevaluation of base isolation elastomeric bearings,Ømanufactured by Skellerup. The report is part of a program to test the performance of 11 seismic isolators and dampers produced by several manufacturers. The devicesØwere tested for stability, response during earthquake simulations, and fatigue and weathering effects.
Author: Yin-Nan Huang
Publisher:
ISBN:
Category : Earthquake engineering
Languages : en
Pages : 404
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Book Description
Author: Gordon P. Warn
Publisher:
ISBN:
Category : Bridges
Languages : en
Pages : 342
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Book Description
Author: Zach Liang
Publisher: CRC Press
ISBN: 1439815836
Category : Technology & Engineering
Languages : en
Pages : 577
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Book Description
Rapid advances have been made during the past few decades in earthquake response modification technologies for structures, most notably in base isolation and energy dissipation systems. Many practical applications of various dampers can be found worldwide and, in the United States, damper design has been included in building codes. The current desi
Author: James M. Kelly
Publisher: John Wiley & Sons
ISBN: 1119972809
Category : Technology & Engineering
Languages : en
Pages : 217
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Book Description
Widely used in civil, mechanical and automotive engineering since the early 1980s, multilayer rubber bearings have been used as seismic isolation devices for buildings in highly seismic areas in many countries. Their appeal in these applications comes from their ability to provide a component with high stiffness in one direction with high flexibility in one or more orthogonal directions. This combination of vertical stiffness with horizontal flexibility, achieved by reinforcing the rubber by thin steel shims perpendicular to the vertical load, enables them to be used as seismic and vibration isolators for machinery, buildings and bridges. Mechanics of Rubber Bearings for Seismic and Vibration Isolation collates the most important information on the mechanics of multilayer rubber bearings. It explores a unique and comprehensive combination of relevant topics, covering all prerequisite fundamental theory and providing a number of closed-form solutions to various boundary value problems as well as a comprehensive historical overview on the use of isolation. Many of the results presented in the book are new and are essential for a proper understanding of the behavior of these bearings and for the design and analysis of vibration or seismic isolation systems. The advantages afforded by adopting these natural rubber systems is clearly explained to designers and users of this technology, bringing into focus the design and specification of bearings for buildings, bridges and industrial structures. This comprehensive book: includes state of the art, as yet unpublished research along with all required fundamental concepts; is authored by world-leading experts with over 40 years of combined experience on seismic isolation and the behavior of multilayer rubber bearings; is accompanied by a website at www.wiley.com/go/kelly The concise approach of Mechanics of Rubber Bearings for Seismic and Vibration Isolation forms an invaluable resource for graduate students and researchers/practitioners in structural and mechanical engineering departments, in particular those working in seismic and vibration isolation.
Author: Masanobu Shinozuka
Publisher:
ISBN:
Category : Concrete bridges
Languages : en
Pages : 200
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Book Description
Author: Nijo Abraham
Publisher:
ISBN:
Category :
Languages : en
Pages : 115
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Book Description
Seismic isolation is one of the earthquake protective technologies used for buildings, bridges and other structures as well as non-structural components. Among the seismic isolation technologies, the newly developed roller bearing system ensures constant and low acceleration of superstructure and regulates bearing displacement. However, due to the limited contact area, to withstand large vertical force, the size of rollers must be large. To overcome this problem, a special slider will be used in this thesis to replace the roller. This slider bearing will have the identical dynamic behavior as the roller bearing and will support considerably large weight. The sliding surface is combined with two different materials with different friction coefficient, so that the slider bearing can provide a desirable friction coefficient to dissipate seismic energy while minimizing bearing displacement. This thesis comprises both computational and experimental studies to examine the mechanical performance, along with an experimental study to analyze the uni-directional thermo-mechanical performance of this slider bearing system. The experiments are performed using a shaker table in the Structural Engineering and Earthquake Simulation Laboratory (SEESL), University at Buffalo. Four slider bearings are used to support a concrete mass as a superstructure on the table. Selected earthquake records are used as ground excitations. Accelerations of the table and superstructure were measured along with relative displacements between the table and superstructure. Both the theoretical and experimental studies presented here show great potential of this slider bearing system. The dynamic performance of this seismic isolation slider bearing is virtually identical to the roller bearing, ensuring low level of accelerations and minimum relative displacement. Moreover the slider itself can support more vertical loads with limited working areas.
