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Segmental Concrete Bridge
A segmental bridge is a bridge built in short sections (called segments), i.e., one piece at a time, as opposed to traditional methods that build a bridge in very large sections. The bridge is made of concrete that is either cast-in-place (constructed fully in its final location) or precast concrete (built at another location and then transported to their final location for placement in the full structure). These bridges are very economical for long spans (more than ), especially when access to the construction site is restricted. They are also chosen for their aesthetic appeal. History The first cantilevered segmental cast-in-place concrete bridge, built in 1930, was across Rio do Peixe in the state of Santa Catarina of Brazil. It was followed in 1951 by the prestressed concrete bridge across the Lahn River in , the first of many cantilevered bridges designed by . The first prestressed concrete bridge, assembled by several precast elements, was the across the river Marne in ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dallas, Texas
Dallas () is the third largest city in Texas and the largest city in the Dallas–Fort Worth metroplex, the fourth-largest metropolitan area in the United States at 7.5 million people. It is the largest city in and seat of Dallas County with portions extending into Collin, Denton, Kaufman and Rockwall counties. With a 2020 census population of 1,304,379, it is the ninth most-populous city in the U.S. and the third-largest in Texas after Houston and San Antonio. Located in the North Texas region, the city of Dallas is the main core of the largest metropolitan area in the Southern United States and the largest inland metropolitan area in the U.S. that lacks any navigable link to the sea. The cities of Dallas and nearby Fort Worth were initially developed due to the construction of major railroad lines through the area allowing access to cotton, cattle and later oil in North and East Texas. The construction of the Interstate Highway System reinforced Dallas's prominen ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Delaware
Delaware ( ) is a state in the Mid-Atlantic region of the United States, bordering Maryland to its south and west; Pennsylvania to its north; and New Jersey and the Atlantic Ocean to its east. The state takes its name from the adjacent Delaware Bay, in turn named after Thomas West, 3rd Baron De La Warr, an English nobleman and Virginia's first colonial governor. Delaware occupies the northeastern portion of the Delmarva Peninsula and some islands and territory within the Delaware River. It is the second-smallest and sixth-least populous state, but also the sixth-most densely populated. Delaware's largest city is Wilmington, while the state capital is Dover, the second-largest city in the state. The state is divided into three counties, having the lowest number of counties of any state; from north to south, they are New Castle County, Kent County, and Sussex County. While the southern two counties have historically been predominantly agricultural, New Castle is more ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Florida Keys
The Florida Keys are a coral cay archipelago located off the southern coast of Florida, forming the southernmost part of the continental United States. They begin at the southeastern coast of the Florida peninsula, about south of Miami, and extend in a gentle arc south-southwest and then westward to Key West, the westernmost of the inhabited islands, and on to the uninhabited Dry Tortugas. The islands lie along the Florida Straits, dividing the Atlantic Ocean to the east from the Gulf of Mexico to the northwest, and defining one edge of Florida Bay. At the nearest point, the southern part of Key West is just from Cuba. The Florida Keys are between about 24.3 and 25.5 degrees North latitude. More than 95 percent of the land area lies in Monroe County, but a small portion extends northeast into Miami-Dade County, such as Totten Key. The total land area is . As of the 2010 census the population was 73,090 with an average density of , although much of the population is concent ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Seven Mile Bridge
The Seven Mile Bridge is a bridge in the Florida Keys, in Monroe County, Florida, United States. It connects Knight's Key (part of the city of Marathon, Florida) in the Middle Keys to Little Duck Key in the Lower Keys. Among the longest bridges in existence when it was built, it is part of the Overseas Highway in the Keys, which is part of the U.S. Route 1. There are two bridges in this location. The modern bridge is open to vehicular traffic; the older one only to pedestrians and cyclists. The older bridge, originally known as the Knights Key-Pigeon Key-Moser Channel-Pacet Channel Bridge, was constructed from 1909 to 1912 under the direction of Henry Flagler and Clarence S. Coe as part of the Florida East Coast Railway's Key West Extension, also known as the Overseas Railroad. History After the railroad was damaged by the Labor Day Hurricane of 1935, the line was sold to the United States government, which refurbished Seven Mile Bridge for automobile use. Unsupported se ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Malta
Malta ( , , ), officially the Republic of Malta ( mt, Repubblika ta' Malta ), is an island country in the Mediterranean Sea. It consists of an archipelago, between Italy and Libya, and is often considered a part of Southern Europe. It lies south of Sicily (Italy), east of Tunisia, and north of Libya. The official languages are Maltese and English, and 66% of the current Maltese population is at least conversational in the Italian language. Malta has been inhabited since approximately 5900 BC. Its location in the centre of the Mediterranean has historically given it great strategic importance as a naval base, with a succession of powers having contested and ruled the islands, including the Phoenicians and Carthaginians, Romans, Greeks, Arabs, Normans, Aragonese, Knights of St. John, French, and British, amongst others. With a population of about 516,000 over an area of , Malta is the world's tenth-smallest country in area and fourth most densely populated sovereign cou ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
San Ġiljan
Saint Julian's ( mt, San Ġiljan) is a town in the Central Region of Malta. As of 2020, its registered number of inhabitants stands at 13,792. It is situated along the coast, north of the country's capital, Valletta. It is known for tourism-oriented businesses, such as hotels, restaurants and nightclubs which are centred mainly in an area known as Paceville. Etymology, feast and traditions The town is named after its patron saint; Saint Julian who is widely known as Julian the Hospitaller and Julian the Poor whereby he is the patron saint of hunters. Before the reform to the Calendar of Saints, the memorial to St Julian was on 27 January. Nowadays, it is celebrated on 12 February, although in Malta an additional feast, in the spirit of the many summer feasts around the island, is celebrated on the last Sunday of August. A very particular competition connected with the town's feast is known as ''ġostra''. This traditional competitive feat involves participants climbing and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Manwel Dimech Bridge
Manwel Dimech Bridge is a beam bridge at St. Julian's, Malta. It is named after Manuel Dimech, and was officially inaugurated on 18 September 1971 by the Minister of Public Works, Lorry Sant. The bridge is approximately 130m long and 32m wide, and spans over Wied Għomor. It is part of Mikiel Anton Vassalli Road (popularly known as Regional Road) just beyond the tunnels on the way to Paceville and St. Andrew's. A commemorative plaque close to the bridge reports that the construction of the bridge, the road and the tunnels were aided by the Chinese government. The tunnels are named after Sun Yat-sen Sun Yat-sen (; also known by several other names; 12 November 1866 – 12 March 1925)Singtao daily. Saturday edition. 23 October 2010. section A18. Sun Yat-sen Xinhai revolution 100th anniversary edition . was a Chinese politician who serve ..., and the bridge on the other side of the tunnels is named after Ġużè Ellul Mercer. The bridge was thoroughly restored and reinforc ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
North Carolina
North Carolina () is a state in the Southeastern region of the United States. The state is the 28th largest and 9th-most populous of the United States. It is bordered by Virginia to the north, the Atlantic Ocean to the east, Georgia and South Carolina to the south, and Tennessee to the west. In the 2020 census, the state had a population of 10,439,388. Raleigh is the state's capital and Charlotte is its largest city. The Charlotte metropolitan area, with a population of 2,595,027 in 2020, is the most-populous metropolitan area in North Carolina, the 21st-most populous in the United States, and the largest banking center in the nation after New York City. The Raleigh-Durham-Cary combined statistical area is the second-largest metropolitan area in the state and 32nd-most populous in the United States, with a population of 2,043,867 in 2020, and is home to the largest research park in the United States, Research Triangle Park. The earliest evidence of human occupation i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Blue Ridge Mountains
The Blue Ridge Mountains are a physiographic province of the larger Appalachian Mountains range. The mountain range is located in the Eastern United States, and extends 550 miles southwest from southern Pennsylvania through Maryland, West Virginia, Virginia, North Carolina, South Carolina, Tennessee, and Georgia. This province consists of northern and southern physiographic regions, which divide near the Roanoke River gap. To the west of the Blue Ridge, between it and the bulk of the Appalachians, lies the Great Appalachian Valley, bordered on the west by the Ridge and Valley province of the Appalachian range. The Blue Ridge Mountains are known for having a bluish color when seen from a distance. Trees put the "blue" in Blue Ridge, from the isoprene released into the atmosphere. This contributes to the characteristic haze on the mountains and their perceived color. Within the Blue Ridge province are two major national parks – the Shenandoah National Park in the northern secti ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Linn Cove Viaduct
The Linn Cove Viaduct is a long, concrete segmental bridge which snakes around Grandfather Mountain in western North Carolina. Completed in 1983 at a cost of $10 million, it was one of the last major construction projects on the Blue Ridge Parkway which runs linking Shenandoah National Park to Great Smoky Mountains National Park. Built mostly along the spine of the Blue Ridge, the parkway was fully completed and opened for through traffic in 1987. History Construction of the parkway began in 1935 with the initial plan calling for a viaduct given the effects that a traditional cut-and-fill road would have on Grandfather Mountain. Towering almost , this mountain is the highest and most rugged peak on the Blue Ridge and geologically the most ancient mountain on the North American continent. Conservationists who hoped to preserve the area as a mountain park/recreation area were behind the viaduct concept as they stressed the danger of irreparable damage by lumbering and other explo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Canada Line
The Canada Line is a rapid transit line in Metro Vancouver, British Columbia, Canada, that is part of the SkyTrain system. The line is owned by TransLink and InTransitBC and is operated by ProTrans BC. Coloured turquoise on route maps, it operates as an airport rail link between Vancouver, Richmond, and the Vancouver International Airport (YVR). The line comprises 16 stations and of track; the main line runs from Vancouver to Richmond while a spur line from Bridgeport station connects to the airport. It opened on August 17, 2009, ahead of the 2010 Winter Olympics. The Canada Line was anticipated to have 100,000 boardings per day in 2013 and 142,000 boardings per day by 2021, but it has consistently exceeded early targets.Canada Line Ridership has grown steadily since opening day, with average ridership of 83,000 per day in September 200 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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