Yawata Steel Works Dam Collapse
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Yawata Steel Works Dam Collapse
Yawata Steel Works dam collapse occurred on May 1, 1916 in Yahata, Fukuoka when the ''Great Dam'' collapsed killing hundreds and crushing thousands of homes. Background By 1912, 80% of Japan's pig iron production was from Yawata Steel Works. An integrated mill with coke, iron, and steel facilities, Yahata was also responsible at this time for 80-90% of Japan's steel output. Energy efficiency was greatly improved by the conversion from steam to electricity as a power source, resulting in a drop in consumption of coal per ton of steel produced from four tons in 1920 to 1.58 in 1933. Much of the iron ore was from China and Korea. To supply the energy to the Steelworks a large dam was created. The factories covered many acres and a town sprang up nearby, Yahata, Fukuoka was a city in Japan until it was absorbed into the newly created city of Kitakyushu in 1963.
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Yahata, Fukuoka
was a city in Japan until it was absorbed into the newly created city of Kitakyushu in 1963.History of KITAKYUSHU (City of Kitakyushu)
Its former area is as of 2007 part of two distinct
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Pig Iron
Pig iron, also known as crude iron, is an intermediate product of the iron industry in the production of steel which is obtained by smelting iron ore in a blast furnace. Pig iron has a high carbon content, typically 3.8–4.7%, along with silica and other constituents of dross, which makes it brittle and not useful directly as a material except for limited applications. The traditional shape of the molds used for pig iron ingots is a branching structure formed in sand, with many individual ingots at right angles to a central channel or "runner", resembling a litter of piglets being nursed by a sow. When the metal had cooled and hardened, the smaller ingots (the "pigs") were simply broken from the runner (the "sow"), hence the name "pig iron". As pig iron is intended for remelting, the uneven size of the ingots and the inclusion of small amounts of sand cause only insignificant problems considering the ease of casting and handling them. History Smelting and producing wroug ...
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Yawata Steel Works
The is a steel mill in Kitakyūshū, Fukuoka Prefecture, Japan. Imperial Steel Works was established in 1896 to meet increasing demand from the nation's burgeoning shipbuilding, railway, construction, and armaments industries. The site chosen was the former town of Yahata, now merged into Kitakyūshū, near coal mines and with easy access to the sea. History With the opening of Japan, Western-style reverberatory furnaces had been introduced in a number of areas to replace the native tatara system. In the early Meiji period, blast furnaces were constructed at sites such as Kamaishi in Iwate Prefecture, near deposits of iron. The Higashida First Blast Furnace, designed and tooled by German engineering firm Gute Hoffnungshütte, began operations at Yahata on 5 February 1901. The low quality of output, high ratio of coke consumption to steel produced, and a number of failures led to suspension the following year; all but one of the German advisers were dismissed and the ...
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Vertical Market
A vertical market is a market in which vendors offer goods and services ''specific'' to an industry, trade, profession, or other group of customers with specialized needs. A horizontal market is a market in which a product or service meets a need of a wide range of buyers across different sectors of an economy. Types There are three types of vertical market which encompass successive market stages of production and distribution: corporate, administered and contractual. #Corporate vertical markets combine market stages under single ownership. #Administered vertical markets are coordinated by one company due its size and power. #Contractual vertical markets are created by independent companies that combine market stages through legal agreements. See also *Vertical integration *Vertical market software *Vertical monopoly *Supply and demand *Product-market fit Product/market fit, also known as product-market fit, is the degree to which a product satisfies a strong market dema ...
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Iron Ore
Iron ores are rocks and minerals from which metallic iron can be economically extracted. The ores are usually rich in iron oxides and vary in color from dark grey, bright yellow, or deep purple to rusty red. The iron is usually found in the form of magnetite (, 72.4% Fe), hematite (, 69.9% Fe), goethite (, 62.9% Fe), limonite (, 55% Fe) or siderite (, 48.2% Fe). Ores containing very high quantities of hematite or magnetite (greater than about 60% iron) are known as "natural ore" or "direct shipping ore", meaning they can be fed directly into iron-making blast furnaces. Iron ore is the raw material used to make pig iron, which is one of the main raw materials to make steel—98% of the mined iron ore is used to make steel. In 2011 the ''Financial Times'' quoted Christopher LaFemina, mining analyst at Barclays Capital, saying that iron ore is "more integral to the global economy than any other commodity, except perhaps oil". Sources Metallic iron is virtually unknown on ...
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Kawachi Dam
Kawachi Dam is a dam in Yahata Higashi, KitaKyushu City, Fukuoka Prefecture, Japan. It was built from stone and mortar to sustain water flow for local steel mills between 1919 and 1927. It was once referred to as the "Orient's best dam". As for Minamikawachi Bridge, completed in 2006,http://www.bunka.go.jp/1osirase/pdf/houdou_20061027_kenzoubutu_sitei it is a part of Kitakyushu Seminational Park and has been a national industrial heritage since 2007. A mountain hike begins from these sites. Minami-Kawachi bridge on the reservoir () was classified as Japanese Important Cultural Property in 2006. References Dams in Fukuoka Prefecture Kitakyushu is a Cities of Japan, city located in Fukuoka Prefecture, Japan. As of June 1, 2019, Kitakyushu has an estimated population of 940,978, making it the second-largest city in both Fukuoka Prefecture and the island of Kyushu after the city of Fuku ... Dams completed in 1927 {{Kyushu-dam-stub ...
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Aburagi Dam
Aburagi Dam (油木ダム) is a dam built upstream on the class-B Imagawa River, located in the town of Soeda, in the Tagawa District of Fukuoka Prefecture, Japan. It is a gravity dam made of concrete, 54.6 meters in height. The dam is owned at a prefectural level but managed by the Tagawa Public Works Office in Fukuoka Prefecture. An auxiliary multi-purpose dam, Aburagi Dam provides flood control for the Imagawa River and agricultural irrigation for the Tagawa District, as well as general irrigation for Kitakyūshū is a city located in Fukuoka Prefecture, Japan. As of June 1, 2019, Kitakyushu has an estimated population of 940,978, making it the second-largest city in both Fukuoka Prefecture and the island of Kyushu after the city of Fukuoka. It is one of ... and the Miyako District. It is also a major supplier of water to Kitakyūshū. The reservoir created by the dam remains unnamed, despite having been completed nearly 40 years ago. Geography The Imagawa River is a ...
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Honolulu Star-Bulletin
The ''Honolulu Star-Bulletin'' was a daily newspaper based in Honolulu, Hawaii, United States. At the time publication ceased on June 6, 2010, it was the second largest daily newspaper in the state of Hawaii (after the ''Honolulu Advertiser''). The ''Honolulu Star-Bulletin'', along with a sister publication called ''MidWeek'', was owned by Black Press of Victoria, British Columbia, Canada and administered by a council of local Hawaii investors. The daily merged with the ''Advertiser'' on June 7, 2010, to form the ''Honolulu Star-Advertiser'', after Black Press's attempts to find a buyer fell through. History Farrington Era The ''Honolulu Star-Bulletin'' traces its roots to the Feb. 1, 1882, founding of the ''Evening Bulletin'' by J. W. Robertson and Company. In 1912, it merged with the ''Hawaiian Star'' to become the ''Honolulu Star-Bulletin''. Wallace Rider Farrington, who later became territorial governor of Hawaii, was the editor of the newspaper from 1898 and the president ...
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Japan External Trade Organization
is an Independent Administrative Institution established by Japan Export Trade Research Organization as a nonprofit corporation in Osaka in February 1952, reorganized under the Ministry of International Trade and Industry (MITI) in 1958 (later the Ministry of Economy, Trade and Industry or METI), and became an Independent Administrative Institution in 2003 to consolidate Japan's efforts in export promotion. The government has provided more than half of JETRO's annual operating budget. As of January 2020, JETRO maintained seventy-four offices in fifty-four countries, as well as forty-eight regional offices in Japan, with a total staff of 1,730 (998 domestic, 732 overseas). Its main office is located in the Ark Mori Building in Akasaka, Tokyo. Initially, JETRO's activities focused mainly on promoting exports to other countries. As exporters established themselves in world markets and the balance of trade turned from deficit to surplus, however, JETRO's role shifted to encompass more ...
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Kyushu International University
is a private university in Yahata Higashi, Kitakyushu, Fukuoka, Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north .... The roots of the university can be found in the "Kyushu Law School", which was founded in 1930. The direct predecessor to the school, "Yahata University", was established in 1950, and it adopted the present name in 1989. History *1930: Kyushu Law School (established) *1940: Kyushu College (renamed) *1947: Tobata College (renamed) *1949: Yahata College (renamed) *1950: Yahata University (reestablished) *1989: Kyushu International University (renamed) Faculties *Law *Economics *International Studies (International Relations) Graduate Schools *Law *Business and Environment External linksOfficial website Educational institutions established in 1950 ...
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Dams In Fukuoka Prefecture
A dam is a barrier that stops or restricts the flow of surface water or underground streams. Reservoirs created by dams not only suppress floods but also provide water for activities such as irrigation, human consumption, industrial use, aquaculture, and navigability. Hydropower is often used in conjunction with dams to generate electricity. A dam can also be used to collect or store water which can be evenly distributed between locations. Dams generally serve the primary purpose of retaining water, while other structures such as floodgates or levees (also known as dikes) are used to manage or prevent water flow into specific land regions. The earliest known dam is the Jawa Dam in Jordan, dating to 3,000 BC. The word ''dam'' can be traced back to Middle English, and before that, from Middle Dutch, as seen in the names of many old cities, such as Amsterdam and Rotterdam. History Ancient dams Early dam building took place in Mesopotamia and the Middle East. Dams were use ...
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Dam Failures In Asia
A dam is a barrier that stops or restricts the flow of surface water or underground streams. Reservoirs created by dams not only suppress floods but also provide water for activities such as irrigation, human consumption, industrial use, aquaculture, and navigability. Hydropower is often used in conjunction with dams to generate electricity. A dam can also be used to collect or store water which can be evenly distributed between locations. Dams generally serve the primary purpose of retaining water, while other structures such as floodgates or levees (also known as dikes) are used to manage or prevent water flow into specific land regions. The earliest known dam is the Jawa Dam in Jordan, dating to 3,000 BC. The word ''dam'' can be traced back to Middle English, and before that, from Middle Dutch, as seen in the names of many old cities, such as Amsterdam and Rotterdam. History Ancient dams Early dam building took place in Mesopotamia and the Middle East. Dams were us ...
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