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GIS-Based Interactive and Graphic Computer System to Evaluate Seismic Risks on Water Delivery Networks

by R. Sato, Pasco Corp, Tokyo, Japan,
M. Shinozuka, Pasco Corp, Tokyo, Japan,



Document Type: Proceeding Paper

Part of: Lifeline Earthquake Engineering

Abstract:

As interactive and graphic computer system to evaluate seismic risks of an arbitrary water delivery network is developed, based on G/S (geographic information system) software, ARC/INFO. A case study has been performed on the water delivery network serving Shelby County, Tennessee. Various states of damage are simulated by means of the Monte Carlo technique under several seismic intensities. The simulation result indicated the most critical seismic intensities for the network and the distribution of nodal serviceability under various seismic densities which identified several clusters of nodes at which serviceability is significantly low. By comparing the results of serviceability analysis performed for a hypothetically improved network with that performed for the existing network, the merits of the improvement plan was evaluated.

Subject Headings: Geographic information systems | Seismic effects | Interactive systems | Information systems | Seismic tests | Graphic methods | Computer networks | Tennessee | United States

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