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METHODOLOGY AND APPLICATION TO OPTIMIZE POSTEARTHQUAKE RESTORATION OF LIFELINE NETWORK SYSTEMS

Publish place: 5th International Conference on Seismology and Earthquake Engineering
Publish Year: 1386
Type: Conference paper
Language: English
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Link to this Paper:
https://civilica.com/doc/16093

Document National Code:

SEE05_387

Index date: 16 September 2006

METHODOLOGY AND APPLICATION TO OPTIMIZE POSTEARTHQUAKE RESTORATION OF LIFELINE NETWORK SYSTEMS abstract

In this paper, a real time methodology is proposed to optimize post-earthquake restoration of lifeline network systems. The methodology is new in that at first, it finds all possible flow paths from sources to demand nodes and then it optimizes the restoration plan considering all the possible flow paths that supply flow to main nodes within the network, therefore, the most reliable path flow to each demand node could be find. Further, performance of the optimized worker allocation and restoration priority are evaluated by considering socio-economic class of customers. The methodology considers all possible earthquake hazards that might affect the system network. The proposed methodology is applied to the power supply network of Tehran Regional Electric Company (TREC) as a large-scale power network under all seismic hazards, i.e. wave propagation, landslide, liquefaction and fault rupture. Obtained results show the good tendency as to restoration curves when compared with ones during past earthquakes. Simulated results show rational outputs applicable to the restoration plan for lifeline network systems.

METHODOLOGY AND APPLICATION TO OPTIMIZE POSTEARTHQUAKE RESTORATION OF LIFELINE NETWORK SYSTEMS authors

Morteza Bastami

PhD Candidate of Earthquake Lifeline Engineering, Graduate School of Science and Technology, Kobe University, Rokko-dai ۱, Kobe, JAPAN ۶۵۷-۸۵۰۱,

Shiro Takada

Professor of Civil Engineering, Graduate School of Science and Technology, Kobe University, Rokko-dai ۱, Nada, Kobe, JAPAN ۶۵۷-۸۵۰۱,

Yasuku Kuwata

Associate Professor of Earthquake Engineering, Graduate School of Science and Technology, Kobe University, Rokko-dai ۱, Nada, Kobe, JAPAN ۶۵۷-۸۵۰۱,

Nemat Hassani

Associate Professor of Earthquake Engineering and Head of Natural Disasters Research Center (NDRC), Power & Water University of Technology (PWUT), Tehran, IRAN