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Gavmishan Bridge
Gavmishan Bridge is a historic bridge in Darreh Shahr County, Ilam Province, Iran. The bridge was built in the late Sasanian era on Karkheh River, parts of which constitute the modern-day border of Ilam and Lorestan provinces. It is in length and about in width. It has the longest arch span among the ancient bridges in Iran and the world. It is known by many experts as an engineering feat considering the time it was built, the material used and the floods it has withstood during its age of 1400 years. It is believed that the bridge was intentionally destroyed by the Persian army to stop or slow down the invasion of Arabs during the Muslim Conquest of Persia The Muslim conquest of Persia, also known as the Arab conquest of Iran, was carried out by the Rashidun Caliphate from 633 to 654 AD and led to the fall of the Sasanian Empire as well as the eventual decline of the Zoroastrian religion. Th ... in the 7th century. Location The bridge passes Karkheh river, which ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Seimare River
Seymareh is a river in southwestern Iran formed by the confluence of the Gharehsoo and Ghamasiab rivers in an area around southwest Kermanshah. Seymareh converges with Kashkan just before the historical Gavmishan Bridge near Darreh Shahr to create Karkheh River, an important river in Iran. The change of names from Seymareh to Karkheh is sometimes also considered farther downstream (at the mouth of Zal river at the border to the Khuzestan Khuzestan Province (also spelled Xuzestan; fa, استان خوزستان ''Ostān-e Xūzestān'') is one of the 31 provinces of Iran. It is in the southwest of the country, bordering Iraq and the Persian Gulf. Its capital is Ahvaz and it covers ... province).TV documentatio''Ba Seymareh'', episode 22(Farsi) The Seymareh Dam, a 480MW hydroelectric power station is located on the lower course of Seymareh near Cheshmeh Shirin, Darreh Shahr. References Rivers of Kermanshah Province Rivers of Lorestan Province Rivers of Ilam Province [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cultural Heritage, Handicrafts And Tourism Organization Of Iran
Ministry of Cultural Heritage, Tourism and Handicraft Organization ( fa, وزارت میراث فرهنگی، گردشگری و صنایع دستی ایران, ''Vâzart-e Miras-e Ferhengi-ye, Gârdâshigâri-ye vâ Sânai'-ye Dâsti-ye Iran'') is an educational and research institution overseeing numerous associated museum complexes throughout Iran. It is administered and funded by the Government of Iran. It was first established in 1985 by legislation from the Majlis merging 11 research and cultural organizations. In 2019, Iran Cultural Heritage, Handicrafts and Tourism Organization (ICHHTO), has transferred into the Ministry. The current Minister is Ezzatollah Zarghami, being appointed 25 August 2021 by President Ebrahim Raisi that he chose by Iranian people directly vote in Iran 2021 Presidential election. It publishes and oversees the publication of many journals and books, and carries out projects in conjunction with foreign museums and academia. It is similar in scope and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Iran National Heritage List
Iran National Heritage List is a register of nationally significant monuments, places, buildings, events, etc., officially registered under the National Heritage Preservation Act of 1930. According to Article 1 of this law, "All the industrial monuments and buildings that were built up to the end of the Zand dynasty in the country of Iran, including movable and immovable in accordance with Article 13 of this law, can be considered as national heritage of Iran and under the protection and supervision of the state." After 25 years, on February 1, 1956, with the registration of the Golestan Palace, the ban on the registration of works related to the Qajar was practically lifted and subsequently the official list of these monuments was published under the name current name. History On November 12, 1930, with the approval of the Antiquities Act in the National Consultative Assembly, "all the works of ethnic groups who have lived on the territory of Persia until the end of the Zandi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Arch Bridge
An arch bridge is a bridge with abutments at each end shaped as a curved arch. Arch bridges work by transferring the weight of the bridge and its loads partially into a horizontal thrust restrained by the abutments at either side. A viaduct (a long bridge) may be made from a series of arches, although other more economical structures are typically used today. History Possibly the oldest existing arch bridge is the Mycenaean Arkadiko Bridge in Greece from about 1300 BC. The stone corbel arch bridge is still used by the local populace. The well-preserved Hellenistic Eleutherna Bridge has a triangular corbel arch. The 4th century BC Rhodes Footbridge rests on an early voussoir arch. Although true arches were already known by the Etruscans and ancient Greeks, the Romans were – as with the vault and the dome – the first to fully realize the potential of arches for bridge construction. A list of Roman bridges compiled by the engineer Colin O'Connor featur ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mortar (masonry)
Mortar is a workable paste which hardens to bind building blocks such as stones, bricks, and concrete masonry units, to fill and seal the irregular gaps between them, spread the weight of them evenly, and sometimes to add decorative colors or patterns to masonry walls. In its broadest sense, mortar includes pitch, asphalt, and soft mud or clay, as those used between mud bricks, as well as cement mortar. The word "mortar" comes from Old French ''mortier'', "builder's mortar, plaster; bowl for mixing." (13c.). Cement mortar becomes hard when it cures, resulting in a rigid aggregate structure; however, the mortar functions as a weaker component than the building blocks and serves as the sacrificial element in the masonry, because mortar is easier and less expensive to repair than the building blocks. Bricklayers typically make mortars using a mixture of sand, a binder, and water. The most common binder since the early 20th century is Portland cement, but the ancient binder lim ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Brick
A brick is a type of block used to build walls, pavements and other elements in masonry construction. Properly, the term ''brick'' denotes a block composed of dried clay, but is now also used informally to denote other chemically cured construction blocks. Bricks can be joined using mortar, adhesives or by interlocking them. Bricks are usually produced at brickworks in numerous classes, types, materials, and sizes which vary with region and time period, and are produced in bulk quantities. ''Block'' is a similar term referring to a rectangular building unit composed of similar materials, but is usually larger than a brick. Lightweight bricks (also called lightweight blocks) are made from expanded clay aggregate. Fired bricks are one of the longest-lasting and strongest building materials, sometimes referred to as artificial stone, and have been used since circa 4000 BC. Air-dried bricks, also known as mud-bricks, have a history older than fired bricks, and have an additi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rock (geology)
In geology, rock (or stone) is any naturally occurring solid mass or aggregate of minerals or mineraloid matter. It is categorized by the minerals included, its chemical composition, and the way in which it is formed. Rocks form the Earth's outer solid layer, the crust, and most of its interior, except for the liquid outer core and pockets of magma in the asthenosphere. The study of rocks involves multiple subdisciplines of geology, including petrology and mineralogy. It may be limited to rocks found on Earth, or it may include planetary geology that studies the rocks of other celestial objects. Rocks are usually grouped into three main groups: igneous rocks, sedimentary rocks and metamorphic rocks. Igneous rocks are formed when magma cools in the Earth's crust, or lava cools on the ground surface or the seabed. Sedimentary rocks are formed by diagenesis and lithification of sediments, which in turn are formed by the weathering, transport, and deposition of existing ro ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sasanian Empire
The Sasanian () or Sassanid Empire, officially known as the Empire of Iranians (, ) and also referred to by historians as the Neo-Persian Empire, was the History of Iran, last Iranian empire before the early Muslim conquests of the 7th-8th centuries AD. Named after the Sasanian dynasty, House of Sasan, it endured for over four centuries, from 224 to 651 AD, making it the longest-lived List of monarchs of Persia, Persian imperial dynasty. The Sasanian Empire succeeded the Parthian Empire, and re-established the Persians as a major power in late antiquity alongside its neighbouring arch-rival, the Roman Empire (after 395 the Byzantine Empire).Norman A. Stillman ''The Jews of Arab Lands'' pp 22 Jewish Publication Society, 1979 International Congress of Byzantine Studies ''Proceedings of the 21st International Congress of Byzantine Studies, London, 21–26 August 2006, Volumes 1–3'' pp 29. Ashgate Pub Co, 2006 The empire was founded by Ardashir I, an Iranian ruler who rose to po ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Muslim Conquest Of Persia
The Muslim conquest of Persia, also known as the Arab conquest of Iran, was carried out by the Rashidun Caliphate from 633 to 654 AD and led to the fall of the Sasanian Empire as well as the eventual decline of the Zoroastrian religion. The rise of the Muslims in Arabia coincided with an unprecedented political, social, economic, and military weakness in Persia. Once a major world power, the Sasanian Empire had exhausted its human and material resources after decades of warfare against the Byzantine Empire. The Sasanian state's internal political situation quickly deteriorated after the execution of King Khosrow II in 628. Subsequently, ten new claimants were enthroned within the next four years.The Muslim Conquest of Persia By A.I. Akram. Ch: 1 Following the Sasanian civil war of 628–632, the empire was no longer centralized. Arab Muslims first attacked Sasanian territory in 633, when Khalid ibn al-Walid invaded Mesopotamia (then known as the Sasanian province of '' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Darreh Shahr County
, settlement_type = County , image_skyline = Darreh Shahr Fire Temple 01.jpg , imagesize = , image_caption = Darreh Shahr Fire Temple , image_map = Ilam.svg , image_map1 = IranIlam-SVG.svg , map_caption = Location of Darreh Shahr County in Ilam province (right, pink) , map_caption1 = Location of Ilam province in Iran , pushpin_map = , pushpin_label_position = , pushpin_map_caption = , subdivision_type = Country , subdivision_name = Iran , subdivision_type1 = Province , subdivision_name1 = Ilam , seat_type = Capital , seat = Darreh Shahr , parts_type = Districts , parts_style = para , parts = , p1 = Central , p2 = Mazhin , p3 = , p4 = , p5 = , p6 ... [...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] |
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