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Kouhrang 3 Dam
The Kouhrang 3 Dam (سد کوهرنگ ۳, also known as Birgan dam بیرگان) is an arch dam currently under construction on the Kouhrang River in Chaharmahal and Bakhtiari Province, Iran. It is located about northwest of Dashtak. The purpose of the dam is water supply and river regulation. Upstream of the dam will be the intake for the Kouhrang 3 Tunnel which will transfer water northeast to the Zayandeh River for use in major cities like Isfahan Isfahan ( fa, اصفهان, Esfahân ), from its Achaemenid empire, ancient designation ''Aspadana'' and, later, ''Spahan'' in Sassanian Empire, middle Persian, rendered in English as ''Ispahan'', is a major city in the Greater Isfahan Regio .... Sabir Co. was awarded the contract for the dam's construction in February 2011 and construction began that same year. The diversion tunnels for the dam were completed in March 2013. The project was scheduled for completed in 2015. As of July 2017, the project was not yet complete, t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kouhrang River
Koohrang (also known as Kouhrang and Kurang) is the name of a river, originating in the Zagros mountains of western Iran, which joins the Beheštābād river () to form the Karun, Iran's largest (by volume) river. A series of tunnels (Kuhrang Tunnels) have been built since the 1950s to redirect some of the Kuhrang's water toward the Zayandeh River to meet the demands of increased population in Esfahan and Yazd provinces. The Zayandeh River basin encompasses about and is connected to the upper Karun River basin (which drains to the Persian Gulf) by the Kuhrang Dam and Tunnel 1 () constructed in 1953 although first proposed in the early sixteenth century. Two additional tunnels ( Kurang 2 and Kurang 3) were constructed in late 1990s and early 2000s. A hydroelectric dam at Godar-e Langar (also known as Karun-4) would also supply piped water to Esfahan away if it is completed (Whitley and Gallagher, 1995). Dams have deleterious effects on a riverine fish and other fauna and are oft ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Arch Dam
An arch dam is a concrete dam that is curved upstream in plan. The arch dam is designed so that the force of the water against it, known as hydrostatic pressure, presses against the arch, causing the arch to straighten slightly and strengthening the structure as it pushes into its foundation or abutments. An arch dam is most suitable for narrow canyons or gorges with steep walls of stable rock to support the structure and stresses. Since they are thinner than any other dam type, they require much less construction material, making them economical and practical in remote areas. Classification In general, arch dams are classified based on the ratio of the base thickness to the structural height (b/h) as: * Thin, for b/h less than 0.2, * Medium-thick, for b/h between 0.2 and 0.3, and * Thick, for b/h ratio over 0.3. Arch dams classified with respect to their structural height are: * Low dams up to , * Medium high dams between , * High dams over . History The developme ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Iran
Iran, officially the Islamic Republic of Iran, and also called Persia, is a country located in Western Asia. It is bordered by Iraq and Turkey to the west, by Azerbaijan and Armenia to the northwest, by the Caspian Sea and Turkmenistan to the north, by Afghanistan and Pakistan to the east, and by the Gulf of Oman and the Persian Gulf to the south. It covers an area of , making it the 17th-largest country. Iran has a population of 86 million, making it the 17th-most populous country in the world, and the second-largest in the Middle East. Its largest cities, in descending order, are the capital Tehran, Mashhad, Isfahan, Karaj, Shiraz, and Tabriz. The country is home to one of the world's oldest civilizations, beginning with the formation of the Elamite kingdoms in the fourth millennium BC. It was first unified by the Medes, an ancient Iranian people, in the seventh century BC, and reached its territorial height in the sixth century BC, when Cyrus the Great fo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dashtak, Chaharmahal And Bakhtiari
Dashtak ( fa, دشتك) is a city in Poshtkuh Rural District, in the Central District of Ardal County, Chaharmahal and Bakhtiari Province, Iran. At the 2006 census, its population was 4,142, in 898 families. The city is populated by Lurs Lurs () are an Iranian people living in the mountains of western Iran. The four Luri branches are the Bakhtiari, Mamasani, Kohgiluyeh and Lur proper, who are principally linked by the Luri language. Lorestan Province is named after the Lu .... References Populated places in Ardal County Cities in Chaharmahal and Bakhtiari Province Luri settlements in Chaharmahal and Bakhtiari Province {{Ardal-geo-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Zayandeh River
Zayanderud ( fa, Zāyanderud, script=Latn, from "fertile" or "life giver", and "river"), also spelled as ''Zayandeh-Rood'' or ''Zayanderood'', is the largest river of the Iranian Plateau in central Iran. Geography The Zayandeh starts in the Zard-Kuh subrange of the Zagros Mountains in Chaharmahal and Bakhtiari Province. It flows eastward before ending in the Gavkhouni swamp, a seasonal salt lake, southeast of Isfahan (Esfahan) city. The Zayandeh used to have significant flow all year long, unlike many of Iran's rivers which are seasonal, but today runs dry due to water extraction before reaching the city of Esfahan. In the early 2010s, the lower reaches of the river dried out completely after several years of seasonal dry-outs. The Zayandeh River basin has an area of , an altitude from to , an average rain fall of and a monthly average temperature of to . There are of irrigated land in the Zayandeh River basin, with water derived from the nine main hydraulic units ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Isfahan
Isfahan ( fa, اصفهان, Esfahân ), from its Achaemenid empire, ancient designation ''Aspadana'' and, later, ''Spahan'' in Sassanian Empire, middle Persian, rendered in English as ''Ispahan'', is a major city in the Greater Isfahan Region, Isfahan Province, Iran. It is located south of Tehran and is the capital of Isfahan Province. The city has a population of approximately 2,220,000, making it the third-largest city in Iran, after Tehran and Mashhad, and the second-largest metropolitan area. Isfahan is located at the intersection of the two principal routes that traverse Iran, north–south and east–west. Isfahan flourished between the 9th and 18th centuries. Under the Safavids, Safavid dynasty, Isfahan became the capital of Achaemenid Empire, Persia, for the second time in its history, under Shah Abbas the Great. The city retains much of its history. It is famous for its Perso–Islamic architecture, grand boulevards, covered bridges, palaces, tiled mosques, and mina ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kouhrang 1 Dam
The Kouhrang 1 Dam is a masonry gravity dam on the Kouhrang River about southwest of Chelgard in Chaharmahal and Bakhtiari Province, Iran. The primary purpose of the dam is to divert up to of water annually via the long Kouhrang 1 Tunnel to the Zayandeh River to the east where it would help supply cities like Isfahan with water. Since the era of Shah Abbas I, attempts had been made to diver the Kouhrang to the Zayandeh. Eventually, efforts by Alexander Gibb between 1948 and 1954 led to the completion of the Kouhrang 1 Dam and Tunnel. Gallery File:ورودي_آب_تونل_كوهرنگ_-_panoramio.jpg, File:سد_كوهرنگ_تابستان_86_-_panoramio.jpg, See also * Kouhrang 2 Dam – downstream, feeds water into the Kouhrang 2 tunnel *Kouhrang 3 Dam The Kouhrang 3 Dam (سد کوهرنگ ۳, also known as Birgan dam بیرگان) is an arch dam currently under construction on the Kouhrang River in Chaharmahal and Bakhtiari Province, Iran. It is located about northwes ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kouhrang 2 Dam
The Kouhrang 2 Hydroelectric Power Station is located just south of Chelgard and about northwest of Shahrekord in Chaharmahal and Bakhtiari Province, Iran. The power station has an installed capacity of 33.3 MW and uses water diverted to the east from the Kouhrang River, via a small dam and the long Kouhrang 2 Tunnel, to produce power. Water from the Kouhrang is stored in a circular dam (Kouhrang 2 Dam) before being sent to the power station. The power station's three generators were commissioned between 2002 and 2004, the power plant were inaugurated in February 2005. Water discharged from the power station enters the Zayandeh River as part of a larger project to provide water to major cities like Isfahan. The intake for the power plant is located on the Kouhrang River () just downstream of the Kouhrang 1 Dam which also diverts water, via the long Kouhrang 2 Tunnel, to near Chelgard and was completed in 1953. The Kouhrang 3 Dam is planned downstream to regulate river flows and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dams In Chaharmahal And Bakhtiari Province
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 used ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dams Under Construction
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 used ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Arch Dams
An arch is a vertical curved structure that spans an elevated space and may or may not support the weight above it, or in case of a horizontal arch like an arch dam, the hydrostatic pressure against it. Arches may be synonymous with vaults, but a vault may be distinguished as a continuous arch forming a roof. Arches appeared as early as the 2nd millennium BC in Mesopotamian brick architecture, and their systematic use started with the ancient Romans, who were the first to apply the technique to a wide range of structures. Basic concepts An arch is a pure compression form. It can span a large area by resolving forces into compressive stresses, and thereby eliminating tensile stresses. This is sometimes denominated "arch action". As the forces in the arch are transferred to its base, the arch pushes outward at its base, denominated "thrust". As the rise, i. e. height, of the arch decreases the outward thrust increases. In order to preserve arch action and prevent collapse ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
