Experimental and Analytical Study of the XY-friction Pendulum (XY-FP) Bearing for Bridge Applications PDF Download
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Author: Claudia C. Martin-Artieda
Publisher:
ISBN:
Category : Bridges
Languages : en
Pages : 286
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Author: Claudia C. Martin-Artieda
Publisher:
ISBN:
Category : Bridges
Languages : en
Pages : 286
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Book Description
Author: Michael Pollino
Publisher:
ISBN:
Category : Bridges
Languages : en
Pages : 492
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Book Description
Author: Fabio Taucer
Publisher: Springer
ISBN: 3319101366
Category : Science
Languages : en
Pages : 624
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Book Description
In this volume, top seismic experts and researchers from Europe and around the world, including the George E. Brown, Jr. Network for Earthquake Engineering Simulation (NEES) in the USA, present the most recent outcome of their work in experimental testing, as well as the results of the transnational access activities of external researchers who have used Europe's seven largest and most advanced seismic testing facilities in the framework of the Seismic Engineering Research Infrastructures for European Synergies (SERIES) Project financed by the European Commission in its 7th Framework Programme (2007-2013). This includes EU’s largest reaction wall facility, EU's four largest shaking table laboratories and its two major centrifuges. The work presented includes state-of-the-art research towards the seismic design, assessment and retrofitting of structures, as well as the development of innovative research toward new fundamental technologies and techniques promoting efficient and joint use of the research infrastructures. The contents of this volume demonstrate the fruits of the effort of the European Commission in supporting research in earthquake engineering.
Author:
Publisher:
ISBN:
Category : Earthquake engineering
Languages : en
Pages : 256
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Author:
Publisher:
ISBN:
Category : Dissertations, Academic
Languages : en
Pages : 924
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Author: Elliott Richard Goodwin
Publisher:
ISBN:
Category : Buildings
Languages : en
Pages : 208
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Author: Ignatius Po Lam
Publisher:
ISBN:
Category : Bridges
Languages : en
Pages : 126
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Book Description
This report documents practical modeling procedures adopted in the bridge engineering community involving seismic dsigns and retrofits of long span bridges relative to treatment of wave propagation problems. It also discusses wave scattering issues arising from irregular foundation boundaries affecting seismic loading of the bridges, which is not explicitly considered in th current design practice. Wave scattering is generally implemented in the nuclear power plant industry for seismic designs of various containment systems often using frequency domain computer programs. To examine the subject of wave scattering for application to long span bridge foundations, systematic modeling is exercised using a time domain based computer program and verification is made against a frequency domain computer program. For present day seismic designs of major bridges, nonlinear time history analysis is a common procedure to examine seismic loading of the structure permitting plastic hinging and ductility to be implemented. Thus, the current trend is to adopt time domain based computer programs for performing wave scattering analyses which can also serve as a common platform to be used by both geotechnical and structural engineers for the global bridge model. A major benefit is to minimize the amount of work for data transfer and potential error arising from two different groups (geotechnical and structural engineers) working on different computer codes requiring different input/output. By using the same computer code by both geotechnical and structural engineers, many problems are eliminated. Typically, wave scattering analyses are conducted in the frequency domain. This report presents studies of wave scattering using a time domain computer program. The same computer program can be used by structural engineers to proceed with coding the superstructure model, directly using the results from the wave scatterings analysis. The report presents various sensitivity analyses in order to minimize wave reflection and refraction at the model's side boundaries. Numerical integration schemes and implementation of Rayleigh parameters are discussed. Careful examination of waves traveling the bottom boundary allows proper modeling of the half-space below the region of interest. The studies explore the effects from wave scattering on large pile groups and soft ground conditions, and findings on the frequency ranges where significant scattering is observed are reported. Large caissons are know to affect seismic wave scattering due to the large wave length implied by the dimensions of the foundation embedded in soil. Parametric studies are performed to examine the shaking level that is altered by the wave scattering mechanism. From the current findings, it appears that the wave scattering tends to reduce the shaking level, especially in the high frequency range, and hence is beneficial to the bridge design
Author: Yin-Nan Huang
Publisher:
ISBN:
Category : Earthquake engineering
Languages : en
Pages : 404
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Author: Masanobu Shinozuka
Publisher:
ISBN:
Category : Concrete bridges
Languages : en
Pages : 200
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Author: Saeed Fathali
Publisher:
ISBN:
Category : Buildings
Languages : en
Pages : 224
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Book Description
