Seismic Response and Vulnerability of Water Delivery Systemsby Michael O'Rourke, Rensselaer Polytechnic Inst, United States,
Kamel Elhmadi, Rensselaer Polytechnic Inst, United States,
Jawhar Bouabid, Rensselaer Polytechnic Inst, United States,
Abstract: The response and vulnerability of straight segmented buried pipelines subject to seismic wave propagation are investigated in this paper. Seismic damage to buried pipelines is briefly reviewed. An analytical model for evaluating pipeline response is presented. It takes into account the nonlinearity as well as the variability of the system characteristics. Also results from laboratory tests by others are used to establish the relative displacements at joints which leads to leakage. These two elements are combined to predict the damage ratio (number of leaks per kilometer) for cast iron pipes with lead caulked joints.
Subject Headings: Buried pipes | Seismic tests | Seismic waves | Pipe joints | Damage (structural) | Water pipelines | Seismic effects | Pipe leakage
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