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The Elephant's Foot is a mass of black corium with many layers, resembling tree bark and glass. It was formed during the Chernobyl disaster of April 1986 from a lava-like mixture of molten core material that had escaped the reactor enclosure, materials from the reactor itself, and structural components of the plant such as concrete and metal. [3]
Included in this category are non-free fair use images related to the 1986 Chernobyl nuclear ... Chernobyl burning-aerial view of core.jpg; File:Chernobyl Elephant's ...
The Chernobyl release was characterized by the physical and chemical properties of the radio-isotopes in the core. Particularly dangerous were the highly radioactive fission products , those with high nuclear decay rates that accumulate in the food chain, such as some of the isotopes of iodine , caesium and strontium .
The largest known amounts of corium were formed during the Chernobyl disaster. [15] The molten mass of reactor core dripped under the reactor vessel and now is solidified in forms of stalactites, stalagmites, and lava flows; the best-known formation is the "Elephant's Foot", located under the bottom of the reactor in a Steam Distribution Corridor.
The Chernobyl Nuclear Power Plant [a] (ChNPP) is a nuclear power plant undergoing decommissioning. ChNPP is located near the abandoned city of Pripyat in northern Ukraine , 16.5 kilometres (10 mi) northwest of the city of Chernobyl , 16 kilometres (10 mi) from the Belarus–Ukraine border , and about 100 kilometres (62 mi) north of Kyiv .
The Chernobyl Nuclear Power Plant sarcophagus or Shelter Structure (Ukrainian: Об'єкт "Укриття") is a massive steel and concrete structure covering the nuclear reactor number 4 building of the Chernobyl Nuclear Power Plant. The sarcophagus resides inside the New Safe Confinement structure. The New Safe Confinement is designed to ...
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As the RBMK reactor core is very tall (about 7 m (23 ft 0 in)), the cost and difficulty of building a heavy containment structure prevented the building of additional emergency containment structures for pipes on top of the reactor core. In the Chernobyl accident, the pressure rose to levels high enough to blow the top off the reactor, breaking ...