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Large gravity dam safety management: Iron Gate I case study
Divac, Dejan
Radovanović, Slobodan
Pavić, Maja
Šainović, Ana
Milivojević, Vladimir
Abstract: Dams are structures that, by their very nature, apart from their enormous significance, also carry certain risks and potential dangers to surrounding areas. The issue of dam safety is of the utmost importance, especially for large dams such as the HPP Iron Gate 1 Dam (HPP Đerdap 1). This paper gives an overview of the gravity dam safety management, with a particular focus on the safety of the HPP Iron Gate 1 Dam. The concept of the large gravity dam safety management system is described. The mentioned system consists of a modern hardware and software platform for monitoring the dam’s condition while providing decision support in the management process. HPP Iron Gate 1 Dam is a concrete gravity dam on the Danube River that forms a reservoir with a maximum volume of about 2.8 billion m3. It is essential because it is located on the border of two countries, Serbia and Romania, which further complicates its management, exploitation, and maintenance. Within the Safety Management System of HPP Iron Gate 1, a complex unified database of all previous measurements on the Serbian part of the structure has been formed, which is available for further data collection and review, with the desired analyses, including checking whether they are within the expected ranges calculated based on a statistical analysis of measurements from the previous period. Mathematical models were developed for the simulation of thermal, filtration, and stress-deformation processes in the part of the Serbian power plant and spillway dam, which, with the use of appropriate user tools, enable the calibration of all system parameters based on available measurements. The system allows computation, comparison of computation results with measurement results, and dam safety assessment.
engleski
2022
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