Tools for Infrastructure System Resilience Evaluation

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Presentation transcript:

Tools for Infrastructure System Resilience Evaluation Jingjing Kong, Post Doctoral Fellow Slobodan P. Simonović, Professor Sep. 28 2016

Infrastructure System Resilience 2| Research Objectives and Plan Introduction Project task 6: Tool for mapping resilience of urban regions across Canada for all hazards Objectives Development of the interdependent infrastructure system resilience assessment method Use of resilience for assessment of multi hazard impacts on infrastructure systems Plan Development of interdependent infrastructure system resilience model Development of probabilistic multi hazard infrastructure system resilience model Case study: Greater Toronto Area (GTA) energy infrastructure system Infrastructure System Resilience Kong and Simonović K

Multi-layer Infrastructure Network 3| Determinant Model of Infrastructure System Resilience Infrastructure System Model Information network Power grid Water supply network Street network Multi-layer Infrastructure Network Infrastructure System Resilience Kong and Simonović K

Infrastructure System Resilience 4| Determinant Model of Infrastructure System Resilience Inter-Network Interdependences Infrastructure System Resilience Kong and Simonović S

Infrastructure System Resilience 5| Determinant Model of Infrastructure System Resilience Infrastructure System Resilience Redundancy Infrastructure System Resilience Kong and Simonović S

Infrastructure System Resilience 6| Determinant Model of Infrastructure System Resilience Numerical Test Infrastructure System Resilience Kong and Simonović K

Infrastructure System Resilience 7| Determinant Model of Infrastructure System Resilience Results Infrastructure System Resilience Kong and Simonović K

Spatial relations of two hazards 8| Probabilistic Model of Multi Hazard Resilience Multi Hazard Relations Single impacts; Joint impacts; Conditional impacts; Combination Temporal relations of two hazards (T-a) (T-b) (T-c) (T-d) (T-e) Spatial relations of two hazards (S-a) (S-b) (S-c) (S-d) Infrastructure System Resilience Kong and Simonović S

Infrastructure System Resilience 9| Probabilistic Model of Multi Hazard Resilience Analysis Framework of Multi Hazards Impacts Direct damage probability Indirect damage probability Intra-network Interdependence Sector specific Inter-network Interdependence Topology- based method Flow-based method Indirect damage probability Multi hazards evolution process Infrastructure System Resilience Kong and Simonović K

Infrastructure System Resilience 10| Probabilistic Model of Multi Hazard Resilience Probabilistic Multi Hazard Resilience Metric Infrastructure System Resilience Kong and Simonović S

Infrastructure System Resilience 11| Probabilistic Model of Multi Hazard Resilience Restoration Model and Simulation Process Restoration Strategy Model Infrastructure System Resilience Kong and Simonović K

Infrastructure System Resilience 12| Case Study: GTA Energy Infrastructure System GTA Three-layer Energy Infrastructure Network Infrastructure System Resilience Kong and Simonović K

Infrastructure System Resilience 13| Case Study: GTA Energy Infrastructure System Network Interdependence Model Intra-network Electric Transmission Network ML Model Gas Transmission Network & Oil Transmission Network Flow un-redistribution model Inter-network Gas-fired eclectic plants are supported by the nearest gas stations. Gas and oil nodes are powered by the nearest electric substations. Infrastructure System Resilience Kong and Simonović K

Infrastructure System Resilience 14| Case Study: GTA Energy Infrastructure System Disaster Scenario: Sequential Hurricane and Flood Hazards: Hurricane - 120 mph Flood > 10 feet (24 hours later) Infrastructure System Resilience Kong and Simonović K

15| Case Study: GTA Energy Infrastructure System Multi Hazard Impacts Direct impacts of Hurricane Electric substation Transmission tower Direct impacts of Flood Overground facilities 0.30 (EP), 0.15(TS), 0.40( others). Underground and under marine facilities Direct Impacts of Sequential Hurricane and Flood Indirect Impacts of Sequential Hurricane and Flood S

16| Case Study: GTA Energy Infrastructure System SPphysical= Infrastructure System Resilience SPphysical= Number of Functional Nodes Network Size SPfunctional= Un-impacted Population Population Infrastructure System Resilience Kong and Simonović S

17| Case Study: GTA Energy Infrastructure System Infrastructure Damage Level under Sequential Hurricane and Flood Editing S

18| Case Study: GTA Energy Infrastructure System Multi Hazard Physical Resilience of Infrastructure Networks (a) (b) (c) (d) (a) (b) (c) (d) (a) (b) (c) (d) (a) (b) (c) (d) S

19| Case Study: GTA Energy Infrastructure System Infrastructure Function Loss Level under Sequential Hurricane and Flood S

Infrastructure System Resilience 20| Case Study: GTA Energy Infrastructure System Multi Hazard Functional Resilience of Infrastructure Networks F-(a) F-(b) F-(c) F-(d) P-(a) P-(b) P-(c) P-(d) Infrastructure System Resilience Kong and Simonović S

Infrastructure System Resilience 21| Case Study: GTA Energy Infrastructure System Conclusions Multi hazard resilience is not the simple sum of single hazard resilience, and is bigger or smaller than the sum of single hazards resilience. Interaction of multi hazard impacts is the key point in resilience assessment. Multi hazards’ joint impacts, conditional impacts and combination of them are different from the diverse multi hazard spatial and temporal relations. Cascading failure and cascading recovery make the resilience evaluation more complicated. Functional resilience is always higher than the physical resilience. Addition of hazard occurrence probabilities and economic loss can modify cumulative resilience into risk value. Infrastructure System Resilience Kong and Simonović K

Infrastructure System Resilience 22| Research Outcomes Journal Papers Kong, J., and S. P. Simonovic (2016), An Original Model of Infrastructure System Resilience, Reliability Engineering and System Safety, under review Kong, J., and S. P. Simonovic (2016), Probabilistic multi hazards resilience model of interdependent infrastructure system, Risk Analysis, in preparation Kong, J., and S. P. Simonovic (2016), Multi hazards resilience of Great Toronto Area energy infrastructure system, Risk Analysis, in preparation Conference Paper Kong, J., and S. P. Simonovic (2016), “An original model of infrastructure system resilience”, Proceedings, CSCE Annual Meeting: Resilient Infrastructure, NDM515-1 – NDM515-10, June 1- 4, London, Canada. Infrastructure System Resilience Kong and Simonović S

Infrastructure System Resilience Thank you! Infrastructure System Resilience Kong and Simonović