816 Nuclear Military Plant
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816 Nuclear Military Plant () is an unfinished
Chinese Chinese can refer to: * Something related to China * Chinese people, people of Chinese nationality, citizenship, and/or ethnicity **''Zhonghua minzu'', the supra-ethnic concept of the Chinese nation ** List of ethnic groups in China, people of ...
underground nuclear weapons production facility and the largest man-made tunnel structure in the world. A
military A military, also known collectively as armed forces, is a heavily armed, highly organized force primarily intended for warfare. It is typically authorized and maintained by a sovereign state, with its members identifiable by their distinct ...
megaproject A megaproject is an extremely large-scale investment project. According to the ''Oxford Handbook of Megaproject Management'', "Megaprojects are large-scale, complex ventures that typically cost $1 billion or more, take many years to develop and ...
, the nuclear base is located near what is now suburban
Fuling Fuling District () is a district in central Chongqing, China. The area is known for ''zha cai'', a hot pickled mustard tuber, as well as serving as the location of former U.S. Peace Corps teacher Peter Hessler's best-selling memoir '' River Town: ...
, a
municipality A municipality is usually a single administrative division having corporate status and powers of self-government or jurisdiction as granted by national and regional laws to which it is subordinate. The term ''municipality'' may also mean the go ...
in Chongqing, China. In 2010, it was opened to Chinese tourists. It is a distinct network of nuclear-weapons manufacturing tunnels to the likewise defunct Underground Project 131 and the still operational "
Underground Great Wall of China The Underground Great Wall of China ( ) is the informal name for the vast system of tunnels China uses to store and transport mobile intercontinental ballistic missiles. Description Due to the great secrecy surrounding the tunnels, not much i ...
."


History

The project was started in 1966 when
Sino-Soviet relations SinoSoviet relations (; russian: Советско-китайские отношения, ''Sovetsko-kitayskiye otnosheniya''), or China–Soviet Union relations, refers to the diplomatic relationship between China (both the Chinese Republic of 19 ...
dramatically declined (see also the
Sino-Soviet split The Sino-Soviet split was the breaking of political relations between the China, People's Republic of China and the Soviet Union caused by Doctrine, doctrinal divergences that arose from their different interpretations and practical applications ...
). To enhance China's national defence and prevent possible Soviet invasion and nuclear attack, the project was approved (directly by then-Premier
Zhou Enlai Zhou Enlai (; 5 March 1898 – 8 January 1976) was a Chinese statesman and military officer who served as the first premier of the People's Republic of China from 1 October 1949 until his death on 8 January 1976. Zhou served under Chairman Ma ...
) and undertaken in secret. More than 60,000 engineering soldiers of the People's Liberation Army participated in the construction of the base. The underground base was designed to be able to tolerate thousands of tons of
TNT Trinitrotoluene (), more commonly known as TNT, more specifically 2,4,6-trinitrotoluene, and by its preferred IUPAC name 2-methyl-1,3,5-trinitrobenzene, is a chemical compound with the formula C6H2(NO2)3CH3. TNT is occasionally used as a reagen ...
explosives and 8-
magnitude Magnitude may refer to: Mathematics *Euclidean vector, a quantity defined by both its magnitude and its direction *Magnitude (mathematics), the relative size of an object *Norm (mathematics), a term for the size or length of a vector *Order of ...
earthquake An earthquake (also known as a quake, tremor or temblor) is the shaking of the surface of the Earth resulting from a sudden release of energy in the Earth's lithosphere that creates seismic waves. Earthquakes can range in intensity, fr ...
s. The project was under construction for 17 years, and the construction was nearly completed in 1984. In 1964 China made its first public nuclear test. Largely due to change in the Cold War international situation, the project was cancelled in February 1984. It was further declassified in April 2002. In April 2010, after being closed for over 25 years, the base was opened to tourists.


Structure

The surface area of the cave is more than 104,000 m2, and the total length of the
tunnel A tunnel is an underground passageway, dug through surrounding soil, earth or rock, and enclosed except for the entrance and exit, commonly at each end. A pipeline is not a tunnel, though some recent tunnels have used immersed tube cons ...
s is more than 20 kilometers. The whole complex consists of 13 levels, 18 artificial caves linked to each other, and has more than 80
road A road is a linear way for the conveyance of traffic that mostly has an improved surface for use by vehicles (motorized and non-motorized) and pedestrians. Unlike streets, the main function of roads is transportation. There are many types of ...
s and 130 tunnels.
Automobile A car or automobile is a motor vehicle with wheels. Most definitions of ''cars'' say that they run primarily on roads, seat one to eight people, have four wheels, and mainly transport people instead of goods. The year 1886 is regarde ...
s are able to pass the roads and tunnels inside. The base has the “World's Largest Artificial
Cave A cave or cavern is a natural void in the ground, specifically a space large enough for a human to enter. Caves often form by the weathering of rock and often extend deep underground. The word ''cave'' can refer to smaller openings such as sea ...
”, which has a height of 79.6 meters, roughly equal to that of a 20-floor building.


See also

*
Fallout Shelter A fallout shelter is an enclosed space specially designated to protect occupants from radioactive debris or fallout resulting from a nuclear explosion. Many such shelters were constructed as civil defense measures during the Cold War. During ...
* Underground City (Beijing) *
Nuclear warfare Nuclear warfare, also known as atomic warfare, is a theoretical military conflict or prepared political strategy that deploys nuclear weaponry. Nuclear weapons are weapons of mass destruction; in contrast to conventional warfare, nuclear ...
*
Nuclear deterrent Nuclear strategy involves the development of doctrines and strategies for the production and use of nuclear weapons. As a sub-branch of military strategy, nuclear strategy attempts to match nuclear weapons as means to political ends. In addit ...
* Nuclear strategy


References


External links

*
Geographical coordinates The geographic coordinate system (GCS) is a spherical or ellipsoidal coordinate system for measuring and communicating positions directly on the Earth as latitude and longitude. It is the simplest, oldest and most widely used of the vario ...
:
Pictures of the 816 Nuclear Military Plant
* CCTV
Chongqing opens former Nuclear Plant as tourist attraction
{{Subterranea Secret military programs Nuclear history of China Nuclear program of the People's Republic of China Military history of the People's Republic of China Subterranean buildings and structures Buildings and structures in Chongqing Secret places Cold War museums in China