Seismic vulnerability of gas and liquid buried pipelines |
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| Institution: | 1. University of Molise, Di.Bi.T. Department, StreGa Laboratory, Termoli, CB, Italy;2. Istituto di Ricerche sulla Combustione, CNR, Via Diocleziano 328, 80124 Napoli, Italy;1. School of Civil and Environmental Engineering, Nanyang Technological University, Singapore 639798, Singapore;2. MOE Key Laboratory of High-speed Railway Engineering, Southwest Jiaotong University, Chengdu 610031, China;3. Department of Civil and Environmental Engineering, University of California, Los Angeles, CA 90095, USA;1. State Key Laboratory of Disaster Reduction in Civil Engineering, Tongji University, Shanghai 200092, China;2. Department of Structural Engineering, Tongji University, Shanghai 200092, China;1. International Institute of Earthquake Engineering and Seismology (IIEES), Tehran, Iran;2. Department of Civil Engineering, Monash University, Clayton, Victoria, Australia |
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| Abstract: | Lifelines play a crucial and essential role in human life and in economic development. The resilience of those systems under extreme events as earthquakes is a primary requirement, especially when large amount of toxic and flammable material are transported.In this work, the seismic vulnerability of buried gas and liquid pipelines has been analyzed, starting from a large number of damage data to pipelines collected from post-earthquake reconnaissance reports.Seismic fragility formulations and threshold values for the earthquake intensity with respect to the release of content from different types of pipelines have been derived. The main outcome of the work is therefore a novel seismic assessment tool which is able to cover the needs of industrial risk assessment procedures and land use planning requirements. |
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| Keywords: | Pipelines Earthquake Seismic vulnerability Na-Tech Fragility |
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