Dam safety system
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Dam safety systems are systems monitoring the state of dams used for hydropower or other purposes. This includes the use of differential GPS and SAR remote sensing to monitor the risks imposed by landslides and subsidence. For large dams seismographs are used to detect Resorvoir Induced Seismicity that could threathen the stability of the dam [link]. The output of these systems can provide warning to the local population ahead of a potential collapse.
Systems in the USA
Dam safety systems became a focus of multi-agency regulations during the U.S. Army Corps of Engineers construction of large flood control and hydro-electric power generation projects. To help benchmark proven practices, the Association of Dam Safety Officials (ASDSO) formed a national non-profit organization of state and federal dam safety regulators, dam owners and operators, engineering consultants, manufacturers and suppliers, academia, contractors and others interested in dams safety. More recently public safety concerns were addressed by the Indian Dams Safety Act of 1992 during hearings before the Select Committee on Indian Affairs, United States Senate, 102nd Congress, second session, on S. 2617. The purpose was to provide for the maintenance of dams located on Indian lands in New Mexico by the BIA through contracts with the Indian tribes. (August 4 1992 in Washington, DC)The ASDSO Conference Proceedings paper by Gary R. Holtzhausen (1991) describes the effective use of tiltmeters with remote sensing to provide reliable low-cost early warning of impending structural failures.
References
- Association of State Dam Safety Officials (ASDSO) 1991 Annual Conference Proceedings: 29 September - 2 October 1991 at San Diego, California. Holzhausen, Gary R. - Applied Geomechanics, Inc. Low-Cost, Automated Detection of Precursors to Dam Failure: Coolidge Dam, Arizona (pp. 281-284)
- Dam Safety: Know the Potenatial Hazards (FEMA Booklet L152 / Sept 1989)
- Federal Guidelines for Dam Safety - June 25 1979 (GPO: 041-001-00187-5)
See also
External links
- [ASDSO]; Association of Dam Safety Officials
- [Dam Smart]: Commercial Off-The-Shelf (COTS) solutions
- [Earth Won] International Commisson on Large Dams
- [MCEER]: Multidisciplinary Center for Earthquake Engineering Research
- [MoDNR]: Natural Disaster Resources (14 December 2005 Dam Failure)
- * [Comprehensive Survey] of Missouri's Dam Safety Law
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