详情

原文传递 Post-Earthquake Restoration of the Los Angeles Water Supply System.

题名：	Post-Earthquake Restoration of the Los Angeles Water Supply System.
作者：	tabucchi, t. h. p. davidson, r. a.
关键词：	california, hydraulic flow, water distribution, water systems, water pipes, distribution systems, water treatment plants, seismic effects, simulation
摘要：	This report describes a discrete event simulation model of post-earthquake restoration developed for the Los Angeles Department of Water and Power (LADWP) water supply system. The LADWP water organization, water supply system, and post-earthquake restoration process were examined in detail to provide the basis for the restoration model. For a particular earthquake, the model uses information about damage to the system and the resulting hydraulic flow obtained from the Graphical Iterative Response Analysis for Flow Following Earthquakes (GIRAFFE) model that was also developed for the LADWP system. Throughout the simulation, the model interacts with GIRAFFE to receive updates of the system functionality at specific times as the restoration process proceeds and damage is repaired. Several different types of output are provided, including system and subregion restoration curves; spatial distribution of restoration; material usage; crew usage; average time each customer is without water; and time to restore the system and subregions to 90 percent, 98 percent, and 100 percent. It can also include damage uncertainty by combining the output from runs for multiple realizations of damage associated with a single earthquake. The model can be used to help estimate economic and societal losses due to water supply system outages, and to evaluate the effectiveness of possible restoration improvement strategies. / NOTE: Technical rept. / Supplementary Notes: See also PB2007-108675. Sponsored by Multidisciplinary Center for Earthquake Engineering Research, Buffalo, NY., and the National Science Foundation, Washington, DC. / Availability Note: Available on CD-ROM and in color paper copy only. Order this product from NTIS by: phone at 1-800-553-NTIS (U.S. customers); (703)605-6000 (other countries); fax at (703)605-6900; and email at orders@ntis.gov. NTIS is located at 5285 Port Royal Road, Springfield, VA, 22161, USA.
总页数：	u0822；144p
报告类型：	科技报告