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Toward an inventory and vulnerability of aboveground storage tanks in Puerto Rico

Juan C. Virella, Genock Portela, Luis A. Godoy

Proceedings of 4th LACCEI International Latin American and Caribbean Conference for Engineering and Technology (LACCEI 2006)

2006/21/06

Research on the buckling behavior of thin walled metal tanks used in the oil industry has been performed at the Civil Infrastructure Research Center of the University of Puerto Rico for almost 10 years. However, the mechanics of behavior is only part of the complete picture and to address the impact of hurricanes or earthquakes on the oil industry it is necessary to have an inventory of tanks in Puerto Rico, which is the subject of this paper. This research has been done using data from aerial photographs supplemented by site visits. The information obtained are the diameter, height and the type of roof. This limited data is very useful because the design of tanks is regulated by American Petroleum Institute codes and follows rather standard geometric patterns. A vulnerability assessment of a typical existing tank is presented. It was found that this tank would not be able to sustain the current seismic and hurricane wind demand from actual codes. It is suggested that the information obtained from this study can be used to construct fragility curves for tanks.

Mayagüez, Puerto Rico

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