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Seismic Behavior of Buried Pipelines in Mexico City Valley
The Mexico City Valley is located on very thick soft clay deposits that amplify the seismic vibrations. This amplification generates displacements at the soil surface larger than those register at the clay-bedrock interface. This paper discusses the problems associated with pipe failure during earthquakes in these conditions. Several buried pipelines conducting potable water failed during the earthquakes of September 19 of 1985 and 2017 in Mexico City, due to large soil displacements produced by the seismic wave propagation effects. The mechanisms of these pipe failures and methodologies to analyze the forces acting along the soil-pipeline interface are described, focusing on the response of the continuous and segmented pipelines to seismic wave-induced soil movements. Preventive and emergency measures to deal with such seismic effects are given. Finally conclusions and recommendations related the vulnerability of lifeline systems to earthquakes on this type of soil conditions are put forward.
Seismic Behavior of Buried Pipelines in Mexico City Valley
The Mexico City Valley is located on very thick soft clay deposits that amplify the seismic vibrations. This amplification generates displacements at the soil surface larger than those register at the clay-bedrock interface. This paper discusses the problems associated with pipe failure during earthquakes in these conditions. Several buried pipelines conducting potable water failed during the earthquakes of September 19 of 1985 and 2017 in Mexico City, due to large soil displacements produced by the seismic wave propagation effects. The mechanisms of these pipe failures and methodologies to analyze the forces acting along the soil-pipeline interface are described, focusing on the response of the continuous and segmented pipelines to seismic wave-induced soil movements. Preventive and emergency measures to deal with such seismic effects are given. Finally conclusions and recommendations related the vulnerability of lifeline systems to earthquakes on this type of soil conditions are put forward.
Seismic Behavior of Buried Pipelines in Mexico City Valley
Raúl, F. B. (author) / Eduardo, B. J. (author) / Cesar, R. M. (author)
Eighth International Conference on Case Histories in Geotechnical Engineering ; 2019 ; Philadelphia, Pennsylvania
Geo-Congress 2019 ; 49-56
2019-03-21
Conference paper
Electronic Resource
English
Seismic Behavior of Buried Pipelines in Mexico City Valley
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