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Qinglong Railway Bridge
Qinglong Railway Bridge is the world's longest span concrete arch bridge located in Qinglong County, Guizhou. The bridge forms part of the High speed railway line between Guiyang and Kunming. It crosses the Beipan River just downstream of the Guangzhao Dam. The bridge is almost 300 metres above the river making it the highest high speed railway bridge ever built. See also *List of highest bridges in the world *List of longest arch bridge spans This list of the longest arch bridge spans ranks the world's arch bridges by the length of their main span. The length of the main span is the most common way to rank bridges as it usually correlates with the engineering complexity involved in des ... References Bridges in Guizhou Arch bridges in China Bridges completed in 2016 Bridges over the Beipan River 2016 establishments in China {{PRChina-bridge-struct-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
High Speed Rail
High-speed rail (HSR) is a type of rail system that runs significantly faster than traditional rail, using an integrated system of specialised rolling stock and dedicated tracks. While there is no single standard that applies worldwide, lines built to handle speeds above or upgraded lines in excess of are widely considered to be high-speed. The first high-speed rail system, the Tōkaidō Shinkansen, began operations in Japan in 1964 and was widely known as the bullet train. High-speed trains mostly operate on standard gauge tracks of continuously welded rail on grade-separated rights of way with large radii. However, certain regions with wider legacy railways, including Russia and Uzbekistan, have sought to develop a high speed railway network in Russian gauge. There are no narrow gauge high-speed trains; the fastest is the Cape gauge Spirit of Queensland at . Many countries have developed, or are currently building, high-speed rail infrastructure to connect major cities, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Beipan River
Beipan River () is a river in Guizhou and Yunnan provinces, China, and part of the great Pearl River basin. Other names The upper reaches in Yunnan and Guizhou were once known as the Zangke River. Course The Beipan River passes through the modern Chinese provinces of Yunnan and Guizhou. When reaching the border of Guangxi, the Beipan River (literally, the Northern Pan River) merges with the Nanpan River (the Southern Pan River), forming the Hongshui River, which continues to the southeast. History The river was significant in history as a communications pathway between the Yelang and Nanyue kingdoms. Bridges The river is crossed by the Duge Bridge, the world's highest, the Qinglong Railway Bridge, the Guanxing Highway via the Beipan River Guanxing Highway Bridge, the Liupanshui-Baiguo Railway via the Beipan River Shuibai Railway Bridge, and the G60 Hukun Expressway via the Beipan River Hukun Expressway Bridge. All of these bridges are among the highest in the world. The ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Qinglong County, Guizhou
Qinglong County () is a county in the southwest of Guizhou province, China. It is under the administration of the Qianxinan Buyei and Miao Autonomous Prefecture. It has a population of 234,162 as of 2020, 56% belonging to ethnic minorities The term 'minority group' has different usages depending on the context. According to its common usage, a minority group can simply be understood in terms of demographic sizes within a population: i.e. a group in society with the least number o ... (2019 data). Qinglong is named after the Qinglong mountain, before 1941 it was called Annang County (安南县). The county was a frontline of the 1854–1873 Miao Rebellions. Administrative divisions Qinglong County has 4 subdistricts, 8 towns, 3 townships, and 1 ethnic township under its jurisdiction: Climate References External links County-level divisions of Guizhou Qianxinan Buyei and Miao Autonomous Prefecture {{Guizhou-geo-stub ... [...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] |
Guiyang
Guiyang (; ; Mandarin pronunciation: ), historically rendered as Kweiyang, is the capital of Guizhou province of the People's Republic of China. It is located in the center of the province, situated on the east of the Yunnan–Guizhou Plateau, and on the north bank of the Nanming River, a branch of the Wu River. The city has an elevation of about . It has an area of . At the 2020 census, its population was 5,987,018, out of whom 4,506,134 lived in the six urban districts. A city with humid subtropical climate, Guiyang is surrounded by mountains and forest. The area, inhabited since at least the Spring and Autumn period, formally became the capital of the surrounding province in 1413, during the Yuan dynasty. The city is home to a large Miao and Bouyei ethnic minority population. Guiyang has a diversified economy, traditionally a center for aluminum production, phosphate mining, and optical instrument manufacturing. Following reforms, the majority of the city's economic output ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kunming
Kunming (; ), also known as Yunnan-Fu, is the capital and largest city of Yunnan province, China. It is the political, economic, communications and cultural centre of the province as well as the seat of the provincial government. The headquarters of many of Yunnan's large businesses are in Kunming. It was important during World War II as a Chinese military center, American air base, and transport terminus for the Burma Road. In the middle of the Yunnan–Guizhou Plateau, Kunming is at an altitude of above sea level and a latitude just north of the Tropic of Cancer. As of 2020 census, Kunming had a total population of 8,460,088 inhabitants, of whom 5,604,310 lived in its built-up (or metro) area made of all urban districts but Jinning, not conurbated yet. It is at the northern edge of Dian Lake, surrounded by temples and lake-and-limestone hill landscapes. Kunming consists of an old, previously walled city, a modern commercial district, residential zones and university areas. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Guangzhao Dam
The Guangzhao Dam is a concrete gravity dam on the Beipan River near Guangzhao in Guanling County, Guizhou Province, China. The main purpose of the project is hydroelectric power generation with additional purposes of water regulation and irrigation. It creates the uppermost or head reservoir on the Beipan and was constructed between 2003 and 2008. Construction Construction on the dam began in May 2003 and the river was diverted in October 2004. Reservoir filling began in 2007 and by 2008, the dam and power plant were complete. On June 28, 2010, a landslide in the area of the dam that killed 99 locals was believed to be caused by seismic effects from the reservoir. Specifications The dam is tall and wide and composed of roller-compacted concrete Roller-compacted concrete (RCC) or rolled concrete (rollcrete) is a special blend of concrete that has essentially the same ingredients as conventional concrete but in different ratios, and increasingly with partial substitution of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Wiki
A wiki ( ) is an online hypertext publication collaboratively edited and managed by its own audience, using a web browser. A typical wiki contains multiple pages for the subjects or scope of the project, and could be either open to the public or limited to use within an organization for maintaining its internal knowledge base. Wikis are enabled by wiki software, otherwise known as wiki engines. A wiki engine, being a form of a content management system, differs from other web-based systems such as blog software, in that the content is created without any defined owner or leader, and wikis have little inherent structure, allowing structure to emerge according to the needs of the users. Wiki engines usually allow content to be written using a simplified markup language and sometimes edited with the help of a rich-text editor. There are dozens of different wiki engines in use, both standalone and part of other software, such as bug tracking systems. Some wiki engines are ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of Highest Bridges In The World
A ''list'' is any set of items in a row. List or lists may also refer to: People * List (surname) Organizations * List College, an undergraduate division of the Jewish Theological Seminary of America * SC Germania List, German rugby union club Other uses * Angle of list, the leaning to either port or starboard of a ship * List (information), an ordered collection of pieces of information ** List (abstract data type), a method to organize data in computer science * List on Sylt, previously called List, the northernmost village in Germany, on the island of Sylt * ''List'', an alternative term for ''roll'' in flight dynamics * To ''list'' a building, etc., in the UK it means to designate it a listed building that may not be altered without permission * Lists (jousting), the barriers used to designate the tournament area where medieval knights jousted * ''The Book of Lists'', an American series of books with unusual lists See also * The List (other) * Listing ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of Longest Arch Bridge Spans
This list of the longest arch bridge spans ranks the world's arch bridges by the length of their main span. The length of the main span is the most common way to rank bridges as it usually correlates with the engineering complexity involved in designing and constructing the bridge. If one bridge has a longer span than another it does not necessarily mean that the bridge is longer from shore to shore or from abutment to abutment. Completed bridges Under construction History of largest spans Flags refer to present national boundaries. See also * * * List of longest masonry arch bridge spans * List of spans (list of remarkable permanent wire spans) References * '' Structurae.com'', International Database for Civil and Structural Engineering * ''HighestBridges.com'', Sakowski, Eric (Wiki) * Others references Further reading * * {{Bridge footer * Arch An arch is a vertical curved structure that spans an elevated space and may or may not support ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bridges In Guizhou
A bridge is a structure built to Span (engineering), span a physical obstacle (such as a body of water, valley, road, or rail) without blocking the way underneath. It is constructed for the purpose of providing passage over the obstacle, which is usually something that is otherwise difficult or impossible to cross. There are many different designs of bridges, each serving a particular purpose and applicable to different situations. Designs of bridges vary depending on factors such as the function of the bridge, the nature of the terrain where the bridge is constructed and anchored, and the material used to make it, and the funds available to build it. The earliest bridges were likely made with fallen trees and stepping stones. The Neolithic people built boardwalk bridges across marshland. The Arkadiko Bridge (dating from the 13th century BC, in the Peloponnese) is one of the oldest arch bridges still in existence and use. Etymology The ''Oxford English Dictionary'' traces ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Arch Bridges In China
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] |
