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Dam Safety [Elektronisk resurs] Use of Instrumentation in Dams

Adamo, Nasrat (författare)
Al-Ansari, Nadhir, 1947- (författare)
Sissakian, Varoujan (författare)
Laue, Jan (författare)
Knutsson, Sven, 1948- (författare)
Luleå tekniska universitet Institutionen för samhällsbyggnad och naturresurser (utgivare)
Publicerad: UK : Scientific Press International Limited, 2021
Engelska.
Ingår i: Journal of Earth Sciences and Geotechnical Engineering. - 1792-9040. ; 11:1, 145-202
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  • E-artikel/E-kapitel
Sammanfattning Ämnesord
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  • Dam safety concerns do not stop at site selection, or the design and construction stages of a dam, but continue throughout its whole life. Seeing to safety issues of any dam is done by following up its behavior through visual observation supplemented and enriched by data collection from all the devices installed on or implanted in a dam to follow its reactions to the forces and conditions in action. Analysis of the accumulated data will show the safety level and the need or, otherwise, of any remedial works. Using measuring devices to quantifying seepage conditions at any dam and correlating this with water levels’ fluctuations is the first main issue that concerns dam safety. Added to this, measurement of pore water and total earth pressure in earthfill dams, temperature measurements in concrete dams, uplift and displacement measurements, and measurements of stresses and strains can all give good pictures of what is happening inside the dam and/or its foundation in both types of dams. In the following work, a summary of typical instrumentations and monitoring used in evaluating causes of common problems is given. Moreover, requirements for good instrumentation program are explained and the methods of data collection, whether manual, or use of stand-alone loggers and real-time monitoring networks are touched upon. The various devices in current use are described in more details. Actual examples of monitoring systems in existing dams are presented to show the value and importance of these systems to the safety of these dams. 

Ämnesord

Engineering and Technology  (hsv)
Civil Engineering  (hsv)
Geotechnical Engineering  (hsv)
Teknik och teknologier  (hsv)
Samhällsbyggnadsteknik  (hsv)
Geoteknik  (hsv)
Geoteknik  (ltu)
Soil Mechanics  (ltu)

Genre

government publication  (marcgt)

Indexterm och SAB-rubrik

Dam safety
visual observation
seepage
pore water pressure
total earth pressure
uplift
temperature measurements
displacement measurements
stand-alone loggers
real-time monitoring networks
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Ingår i annan publikation. Gå till titeln Journal of Earth Sciences and Geotechnical Engineering

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