Construction du sarcophage de tchernobyl
It was pushed on Teflon pads by hydraulic pistons, and guided by lasers. The next video is starting stop. This option was selected to minimize the cost of the foundation, the number of cuts into radioactive soil layers, dose uptake of workers, and risk to the environment from further contamination. Skip navigation. This feature is not available right now. Retrieved March 2, Special consideration was necessary for the excavation required for foundation construction due to the high level of radioactivity found in the upper layers of soil. Confinement de Tchernobyl : l'histoire - Duration: Retrieved February 9,
The New Safe Confinement (NSC or New Shelter) is a structure built to confine the remains of However, construction of the New Safe Confinement was necessary to continue confining the .
September Novarka began construction.
One of the most ambitious projects in the history of engineering passes a major milestone today as the arch shielding radioactive waste caused by the Chernobyl nuclear power station accident has started sliding into place. Cologne, Germany. As a result of this, no assumptions about the load-bearing properties of the technogenic layer were made during the design of the foundation.
This article needs additional citations for verification. InUkraine's government held an international competition for proposals to replace the sarcophagus.
NSC placed over reactor four of Chernobyl nuclear power plant as of Septemberwith the monument to the constructors of the sarcophagus in the foreground.
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Bouygues Construction. Ultimately, the final design was specified as consisting of three lines of two 4.
Fragmentation tools include plasma arc cutting torches, diamond circular cutting wheelsand diamond wire cutting. The study selected the sliding arch concept as the best solution for their further investigations and recommendations, primarily to reduce the chance of the construction workers receiving a harmful dose of radiation.
These external panels are also used on the end walls of the structure.
Video: Construction du sarcophage de tchernobyl Tchernobyl : 20 ans près, l'isolement du réacteur n°4 - Archive INA
The shelter was constructed under extreme conditions, with very high levels of radiationand under extreme time constraints.