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Assessment of Buried Pipeline Performance during the 1999 Duzce Earthquake, Turkey
A comprehensive study on the available water supply and distribution system; along with the pipeline repair data due to 12 November, 1999 Duzce Earthquake (Mw=7.2) has been carried out. Correlations of the observed damage patterns with the system, ground motion parameters and geotechnical characteristics have been evaluated. Generic soil profiles were used in conducting 1-D equivalent linear site response analyses; which served as a basis for the estimation of liquefaction triggering potential and liquefaction induced ground deformations. A maximum likelihood based model for the probabilistic assessment of seismically induced buried pipeline performance was developed. The proposed model uses liquefaction induced ground settlements, peak ground acceleration and soft layer thickness as descriptive variables. The current model yields an unbiased estimate of observed damage rate throughout Duzce; and is valid for consequences of permanent ground settlements due to liquefaction, rather than tectonically or landslide induced damage to pipelines. Providing an improved fragility model that also accounts for the ground response related effects is believed to establish a greater level of reliability during risk planning against future hazards.
Assessment of Buried Pipeline Performance during the 1999 Duzce Earthquake, Turkey
A comprehensive study on the available water supply and distribution system; along with the pipeline repair data due to 12 November, 1999 Duzce Earthquake (Mw=7.2) has been carried out. Correlations of the observed damage patterns with the system, ground motion parameters and geotechnical characteristics have been evaluated. Generic soil profiles were used in conducting 1-D equivalent linear site response analyses; which served as a basis for the estimation of liquefaction triggering potential and liquefaction induced ground deformations. A maximum likelihood based model for the probabilistic assessment of seismically induced buried pipeline performance was developed. The proposed model uses liquefaction induced ground settlements, peak ground acceleration and soft layer thickness as descriptive variables. The current model yields an unbiased estimate of observed damage rate throughout Duzce; and is valid for consequences of permanent ground settlements due to liquefaction, rather than tectonically or landslide induced damage to pipelines. Providing an improved fragility model that also accounts for the ground response related effects is believed to establish a greater level of reliability during risk planning against future hazards.
Assessment of Buried Pipeline Performance during the 1999 Duzce Earthquake, Turkey
Çeti˙n, Kemal Önder (author) / Yargici, VoIkan (author) / yunatci, Ali Anil (author)
Pipelines Specialty Conference 2009 ; 2009 ; San Diego, California, United States
Pipelines 2009 ; 261-270
2009-08-12
Conference paper
Electronic Resource
English
Planning , Assessment , Earthquakes , Risk management , Construction , Design , Infrastructure , Buried pipes , Turkey , Pipelines
Assessment of Buried Pipeline Performance During the 1999 Duzce Earthquake, Turkey
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