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On energy-based seismic analysis and design of highway bridges.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	On energy-based seismic analysis and design of highway bridges./
作者:	Dutta, Anindya.
面頁冊數:	1 online resource (724 pages)
附註:	Source: Dissertations Abstracts International, Volume: 60-11, Section: B.
Contained By:	Dissertations Abstracts International60-11B.
標題:	Civil engineering. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=9918201click for full text (PQDT)
ISBN:	9780599172616

On energy-based seismic analysis and design of highway bridges.
Dutta, Anindya.

On energy-based seismic analysis and design of highway bridges. - 1 online resource (724 pages)

Source: Dissertations Abstracts International, Volume: 60-11, Section: B.

Thesis (Ph.D.)--State University of New York at Buffalo, 1999.

Includes bibliographical references

Current seismic design of bridge piers relies on empirical code-based formulations to ensure ductile behavior. These formulations give no indication as to failure modes or how seismic performance may be improved by better design. Therefore, a systematic investigation traces all potential failure modes of columns (confinement, buckling and shear) using a fatigue based approach. Design recommendations are given for new bridge structures that should lead to improved performance. These recommendations are also compared with existing ones and critiqued. Although the recommendations are mainly directed towards new construction, a potential application of them could be in retrofit design as well. As part of the current research a novel retrofit methodology is proposed that not only ensures superior performance but also easy repairability following an earthquake. This technique is verified against near full scale experimentation on circular bridge columns. Most existing bridges in the United States, however, were built without due regard to their potential seismic risk. In order to assess the severity of that risk it is also necessary to have theoretical models that accurately predict failure modes and functional limit states. Hence a 3D elasto-plastic analysis is advanced for the purpose of rapidly assessing the seismic vulnerability of large number of bridges with limited data, such as that given by an owner's bridge management system. When coupled with a capacity-spectrum analysis and Monte Carlo simulations, fragility curves for various possible damage states are established. The analysis methodology is verified with limited data obtained from recent Californian earthquakes.

Electronic reproduction.
Ann Arbor, Mich. :
ProQuest,
2023

Mode of access: World Wide Web

ISBN: 9780599172616Subjects--Topical Terms:

860360
Civil engineering.
Subjects--Index Terms:

BridgesIndex Terms--Genre/Form:

542853
Electronic books.

On energy-based seismic analysis and design of highway bridges.
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500 $a Publisher info.: Dissertation/Thesis.
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502 $a Thesis (Ph.D.)--State University of New York at Buffalo, 1999.
504 $a Includes bibliographical references
520 $a Current seismic design of bridge piers relies on empirical code-based formulations to ensure ductile behavior. These formulations give no indication as to failure modes or how seismic performance may be improved by better design. Therefore, a systematic investigation traces all potential failure modes of columns (confinement, buckling and shear) using a fatigue based approach. Design recommendations are given for new bridge structures that should lead to improved performance. These recommendations are also compared with existing ones and critiqued. Although the recommendations are mainly directed towards new construction, a potential application of them could be in retrofit design as well. As part of the current research a novel retrofit methodology is proposed that not only ensures superior performance but also easy repairability following an earthquake. This technique is verified against near full scale experimentation on circular bridge columns. Most existing bridges in the United States, however, were built without due regard to their potential seismic risk. In order to assess the severity of that risk it is also necessary to have theoretical models that accurately predict failure modes and functional limit states. Hence a 3D elasto-plastic analysis is advanced for the purpose of rapidly assessing the seismic vulnerability of large number of bridges with limited data, such as that given by an owner's bridge management system. When coupled with a capacity-spectrum analysis and Monte Carlo simulations, fragility curves for various possible damage states are established. The analysis methodology is verified with limited data obtained from recent Californian earthquakes.
533 $a Electronic reproduction. $b Ann Arbor, Mich. : $c ProQuest, $d 2023
538 $a Mode of access: World Wide Web
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650 4 $a Area planning & development. $3 3172430
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