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Reliability-based lifetime performan...

Wu, Jun.

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Reliability-based lifetime performance analysis of long-span bridges.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Reliability-based lifetime performance analysis of long-span bridges./
作者:	Wu, Jun.
面頁冊數:	164 p.
附註:	Source: Dissertation Abstracts International, Volume: 72-02, Section: B, page: 1049.
Contained By:	Dissertation Abstracts International72-02B.
標題:	Civil engineering. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3433759
ISBN:	9781124397979

Reliability-based lifetime performance analysis of long-span bridges.
Wu, Jun.

Reliability-based lifetime performance analysis of long-span bridges. - 164 p.

Source: Dissertation Abstracts International, Volume: 72-02, Section: B, page: 1049.

Thesis (Ph.D.)--Colorado State University, 2010.

This item is not available from ProQuest Dissertations & Theses.

Long-span bridges generally serve as the significant hub in the transportation system for normal transportation and critical evacuation paths when any disaster happens. Thus, the safety and serviceability of long-span bridges are related to huge economic cost and safety of thousands of lives. The objective of this research is to establish a general framework to evaluate the lifetime performance of long-span bridges through taking account of more realistic load situations, such as traffic flow and wind environment. After some background information is introduced in Chapter 1, Chapter 2 covers the modeling of stochastic traffic flow for the bridge infrastructure system in a more realistic way by using the Cellular Automaton model. Based on the detailed information of individual vehicles of the stochastic traffic flow, the general framework to study Bridge/Traffic/Wind dynamic performance is developed in Chapter 3. Chapter 3 and Chapter 4 also report the results of the bridge's serviceability under normal and extreme loads events, respectively. In Chapter 5, the scenario-based fatigue model is further developed based on the dynamic framework developed in Chapter 3. Finally, the reliability-based analysis is conducted in Chapter 6 to study the fatigue damage caused by the coupling effects among bridge, traffic flow and wind throughout the bridge's service life.

ISBN: 9781124397979Subjects--Topical Terms:

860360
Civil engineering.

Reliability-based lifetime performance analysis of long-span bridges.
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520 $a Long-span bridges generally serve as the significant hub in the transportation system for normal transportation and critical evacuation paths when any disaster happens. Thus, the safety and serviceability of long-span bridges are related to huge economic cost and safety of thousands of lives. The objective of this research is to establish a general framework to evaluate the lifetime performance of long-span bridges through taking account of more realistic load situations, such as traffic flow and wind environment. After some background information is introduced in Chapter 1, Chapter 2 covers the modeling of stochastic traffic flow for the bridge infrastructure system in a more realistic way by using the Cellular Automaton model. Based on the detailed information of individual vehicles of the stochastic traffic flow, the general framework to study Bridge/Traffic/Wind dynamic performance is developed in Chapter 3. Chapter 3 and Chapter 4 also report the results of the bridge's serviceability under normal and extreme loads events, respectively. In Chapter 5, the scenario-based fatigue model is further developed based on the dynamic framework developed in Chapter 3. Finally, the reliability-based analysis is conducted in Chapter 6 to study the fatigue damage caused by the coupling effects among bridge, traffic flow and wind throughout the bridge's service life.
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