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Ricobayo Arch Bridge
The Ricobayo Arch Bridge (Spanish: ''Puente de San Esteban'' or ''Arco de Ricobayo'') is a supported deck arch bridge that carries the National 122 Road over the Esla River at Ricobayo in the province of Zamora, Spain. The original bridge at Ricobayo was drowned after the river was dammed impounding the Ricobayo reservoir. The arch bridge rises 23 m (75.5 ft) above the maximum water level of the reservoir. Its arch is a composite hollow box section of steel and concrete. The total length of the bridge is 219 m (718.5 ft) with an arch spanning 168 m (551 ft). Other bridges nearby * ''Requejo viaduct'' has a steel arch stretching 120 m (394 ft) across the Duero River at Pino del Oro. It was designed by engineer Jose Eugenio Ribera *''Martin Gil Viaduct'', measuring 192 m (630 ft), a world record in its day. The team included Eduardo Torroja. Construction of the ''Martín Gil Viaduct'' was disrupted by the Spanish Civil War ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ricobayo
Ricobayo is a locality in the province of Zamora, Spain. Formerly a municipality in its own right, it is part of Muelas del Pan. Bridge Long important as a crossing-point on the River Esla, Ricobayo's original bridge is now under water, having been drowned by the construction of the Ricobayo reservoir. Since the 1990s the main bridge has been the Ricobayo Arch Bridge. Dam and reservoir In the 1920s it was agreed to build a gravity dam on the River Esla at Ricobayo. It impounds the Ricobayo Reservoir. The dam is part of a hydroelectric scheme known as Saltos del Duero. This scheme involves other dams in the catchment area of the Duero such as the Almendra Dam. As well as electricity generation, Ricobayo Reservoir is used for recreation. In the summer of 2021 the two uses came into conflict, when the reservoir was largely drained by the electric utility company Iberdrola Iberdrola () is a Spanish multinational electric utility company based in Bilbao, Spain. Iberdrola ha ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Esla River
The Esla is a river in the provinces of León and Zamora in the northwest of Spain. It is a tributary of the Duero River that starts in the Cantabrian Mountains and is long. Its direction of flow is from north to south. It is the largest tributary of the Duero in terms of discharge; in fact, at its mouth at the confluence with the Duero, it has a greater discharge than the volume in the main river. The most official source of the river is the “Fuente del Naranco” in Valdosín (near La Uña in León province).Atlas de España (1992). El Pais. Aguilar S.A. de Ediciones. This river was known as the Astura to the ancient Romans, from which the Asturian people took their name. They were ancestors of the modern inhabitants of Asturias and León, living on both sides of the Cantabrian Mountains. Many of the toponyms in the area owe their name to the river; for example, Villafalé (''Villa Fértil a orillas del Río Astura''), ''Vega del Esla'', ''Mansilla del Esla'', etc. In th ... [...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] |
N-122 Road (Spain)
The N-122 is a highway in Spain. It connects Valladolid and Zaragoza to the Portugal–Spain border, where it connects to the A4 motorway (Portugal), this section was formerly the IP-4 and is now part of the European route E82 to Matosinhos. The border is formed by the Rio Macãs it heads east crossing the Esla river to Zamora and the Duero river valley. The N-630 crosses to the north and south. After Zamora the N-122 follows the river passing Toro. Most traffic now takes the Autovía A-11. At Tordesillas there are junctions with the Autovía A-62 and Autovía A-6. The road becomes the A-62 to Valladolid where it meets the N-601. The road heads east as the A-11 and then after 14 km the N-122 again. The road crosses to the south bank of the Rio Duero to the town and castle of Peñafiel. It continues to Aranda de Duero and the Autovía A-1. After 52 km the road meets the N-110 and heads north out of the Duero Valley past El Burgo de Osma onto Soria. Here ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Province Of Zamora
Zamora () is a province of western Spain, in the western part of the autonomous community of Castile and León. It is bordered by the provinces of Ourense, León, Valladolid, and Salamanca, and by Portugal. The present-day province of Zamora was one of three provinces formed from the former Kingdom of León in 1833, when Spain was reorganized into 49 provinces. Of the 174,549 people (2018) in the province, nearly a third live in the capital, Zamora. This province has 250 municipalities. Geography The Province of Zamora is in northwestern Spain where it borders on Portugal, which lies to the southwest. To the west lies the province of Ourense, to the north lies León, to the east lies Valladolid, and to the south lies Salamanca. The River Esla rises in the Cantabrian Mountains in the north and flows southwards through the province before joining the River Douro (Spanish: el Duero) which then forms part of the boundary with Portugal. The Esla is the largest tributary o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Duero River
The Douro (, , ; es, Duero ; la, Durius) is the highest-flow river of the Iberian Peninsula. It rises near Duruelo de la Sierra in Soria Province, central Spain, meanders south briefly then flows generally west through the north-west part of central Spain and into northern Portugal, to its mouth at Porto, the second largest city of Portugal. At its mouth it meets the Atlantic Ocean. The scenic Douro railway line runs close to the river. Adjacent areas produce port (a mildly fortified wine) and other agricultural produce. A small tributary of the river has the Côa Valley Paleolithic Art site which is considered important to the archaeological pre-historic patrimony, designated a UNESCO World Heritage Site. Within Spain, it flows through the middle of the autonomous community of Castile and León, with the basin spanning through the northern half of the Meseta Central. The latter includes wine producing areas such as the Ribera del Duero DOP. History The Latin name ''Durius ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pino Del Oro
Pino del Oro, formerly known as Pino, is a Spanish municipality in the province of Zamora, Castile and León Castile and León ( es, Castilla y León ; ast-leo, Castiella y Llión ; gl, Castela e León ) is an autonomous community in northwestern Spain. It was created in 1983, eight years after the end of the Francoist regime, by the merging of the .... It has a population of 203 (2006) and an area of 30 km². A bridge links Pino del Oro and Villadepera. References Municipalities of the Province of Zamora {{Zamora-geo-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Eduardo Torroja
Eduardo Torroja y Miret, 1st Marques of Torroja (27 August 1899 – 15 June 1961) was a Spanish structural engineer and a pioneer in the design of concrete shell structures. Education Torroja was born in Madrid where he studied civil engineering. Career In 1923 Torroja began work for the Hidrocivil company, headed by the engineer José Eugenio Ribera. He planned and directed various types of projects, including the foundations of bridge piers, bridges, water supply and sanitation works, and various urban buildings. Torroja's first large project was the Tempul cable-stayed aqueduct (1926) in Guadalete, Jerez de la Frontera, in which he used pre-stressed girders. In 1928 he established his own office. Modesto López Otero, director for the Madrid University City (''Ciudad Universitaria de Madrid'') project, formed a diverse team of young architects to design the various buildings. Torroja joined the group in 1929. He worked with Manuel Sánchez Arcas, sharing his interest ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Spanish Civil War
The Spanish Civil War ( es, Guerra Civil Española)) or The Revolution ( es, La Revolución, link=no) among Nationalists, the Fourth Carlist War ( es, Cuarta Guerra Carlista, link=no) among Carlists, and The Rebellion ( es, La Rebelión, link=no) or The Uprising ( es, La Sublevación, link=no) among Republicans. was a civil war in Spain fought from 1936 to 1939 between the Republicans and the Nationalists. Republicans were loyal to the left-leaning Popular Front government of the Second Spanish Republic, and consisted of various socialist, communist, separatist, anarchist, and republican parties, some of which had opposed the government in the pre-war period. The opposing Nationalists were an alliance of Falangists, monarchists, conservatives, and traditionalists led by a military junta among whom General Francisco Franco quickly achieved a preponderant role. Due to the international political climate at the time, the war had many facets and was variously viewed as cla ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Arch Bridges
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 features 330 Ro ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Concrete Bridges
Concrete is a composite material composed of fine and coarse aggregate bonded together with a fluid cement (cement paste) that hardens (cures) over time. Concrete is the second-most-used substance in the world after water, and is the most widely used building material. Its usage worldwide, ton for ton, is twice that of steel, wood, plastics, and aluminum combined. Globally, the ready-mix concrete industry, the largest segment of the concrete market, is projected to exceed $600 billion in revenue by 2025. This widespread use results in a number of environmental impacts. Most notably, the production process for cement produces large volumes of greenhouse gas emissions, leading to net 8% of global emissions. Other environmental concerns include widespread illegal sand mining, impacts on the surrounding environment such as increased surface runoff or urban heat island effect, and potential public health implications from toxic ingredients. Significant research and development is ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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