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Wiehltal Bridge
The Wiehltal Bridge is a highway bridge on the A 4 motorway between Cologne and Olpe over the Wiehltal valley at Engelskirchen (Oberbergischer Kreis), North Rhine-Westphalia, Germany. Overview The bridge is 30.25 m wide, 705 m long and has a bridge surface of 21,326 m². The highest point above ground is 60 m. It consists completely of a steelwork construction, whose rolling-element bearing rests on concrete pillars. In contrast to similar bridges, the roadways of both driving directions are carried by continuous elements. Construction of the bridge was completed in 1971. Damage and closure At 10:40 on 26 August 2004 a car collided with a tanker truck containing 32,000 liters of fuel on the Wiehltal Bridge. The guard rails were designed only to stop vehicles up to 13 tons and were unable to hold the truck, which fell 30 meters off the A 4 Autobahn and exploded. The truck driver was killed; the heat damage destroyed the load-bearing ability of the bridge and it had to be cl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Autobahn
The (; German plural ) is the federal controlled-access highway system in Germany. The official German term is (abbreviated ''BAB''), which translates as 'federal motorway'. The literal meaning of the word is 'Federal Auto(mobile) Track'. German are widely known for having no federally mandated general speed limit for some classes of vehicles. However, limits are posted and enforced in areas that are urbanised, substandard, accident-prone, or under construction. On speed-unrestricted stretches, an advisory speed limit () of applies. While driving faster is not illegal as such in the absence of a speed limit, it can cause an increased liability in the case of a collision (which mandatory auto insurance has to cover); courts have ruled that an "ideal driver" who is exempt from absolute liability for "inevitable" tort under the law would not exceed . A 2017 report by the Federal Road Research Institute reported that in 2015, 70.4% of the Autobahn network had only the advis ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bundesautobahn 4
is an autobahn that crosses Germany in a west–east direction. The western segment has a length of , the part in the east is long. Works to continue the A 4 are in progress, but currently no plans exist to fill the gap completely. The A 4 starts north-west of Aachen, where the Dutch A76 enters Germany. Initially it is 2 lanes each way with no speed limit. From Kreuz Aachen to Düren and from Kerpen to Refrath (between Refrath and Köln-Merheim westbound the hard shoulder is the 3rd lane and only open at peak times) it has 3 lanes each way. Between Kreuz Köln-West and Kreuz Heumar it forms the southern part of the Cologne Beltway (Kölner Autobahnring). The whole rest of the section between Kreuz Aachen and Kreuz Köln-West has a variable speed limit. Between Merzenich and Elsdorf, there is a speed limit of 130 km/h, that has been imposed in 2017, due to an increase of accidents. Between Kreuz Köln-West and Kreuz Heumar the speed limit is 120 km/h. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Wiehl (Agger)
The Wiehl () is a 33.6-kilometre-long, orographically left tributary of the River Agger in the German state of North Rhine-Westphalia. It is the longest river situated entirely within the county of Oberbergischer Kreis and the third longest tributary of the Agger. Geography The river rises in the region of Bergisches Land in the municipality of Reichshof. Its source is located about 700 metres north of the village of Hahn on the southern slopes of the Silberkuhle (514.6 m) at a height of . The Wiehl initially flows in a southerly direction and passes through the parish of Wiehl. Near Wildbergerhütte it turns towards the west. Between Nespen and Brüchermühle it is impounded by the Wiehl Dam. After passing Brüchermühle it is impounded again, this time by the Stauweiher Bieberstein. From here it flows mainly in a northwesterly direction. After passing through the parishes of Oberwiehl, Wiehl, Bielstein and Weiershagen, it empties into the Agger near Wiehlmü ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Wiehl
Wiehl () is a municipality in the Oberbergischer Kreis, in North Rhine-Westphalia, Germany. It is located approximately 41 km east of Cologne. The neighbouring municipalities Reichshof, Waldbröl, Nümbrecht, Much, Engelskirchen and Gummersbach border on the town. Geography Between the highway and Wiehl lies the biggest Wiehl industrial area, covering about 81 ha: Wiehl-Bomig. The river of the same name, Wiehl, flows by the town in an east–west direction. History Wiehl is first recorded in 1131 under the name of ''Wila''. On the 1575 Mercator map it is shown as ''Wiell''. Wiehl was eventually allocated in the 1604 Treaty of Siegburg to the Barony of Homburg and was subordinated with it to the House of Sayn-Wittgenstein. In 1815, the Congress of Vienna assigned the little Homburg territory, which practically only consisted of the municipalities of Wiehl and Nümbrecht, to Prussia. At that time, Wiehl was still an agriculturally oriented settlement with a village chara ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
North Rhine-Westphalia
North Rhine-Westphalia (german: Nordrhein-Westfalen, ; li, Noordrien-Wesfale ; nds, Noordrhien-Westfalen; ksh, Noodrhing-Wäßßfaale), commonly shortened to NRW (), is a state (''Land'') in Western Germany. With more than 18 million inhabitants, it is the most populous state of Germany. Apart from the city-states, it is also the most densely populated state in Germany. Covering an area of , it is the fourth-largest German state by size. North Rhine-Westphalia features 30 of the 81 German municipalities with over 100,000 inhabitants, including Cologne (over 1 million), the state capital Düsseldorf, Dortmund and Essen (all about 600,000 inhabitants) and other cities predominantly located in the Rhine-Ruhr metropolitan area, the largest urban area in Germany and the fourth-largest on the European continent. The location of the Rhine-Ruhr at the heart of the European Blue Banana makes it well connected to other major European cities and metropolitan areas like the R ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cologne
Cologne ( ; german: Köln ; ksh, Kölle ) is the largest city of the German western state of North Rhine-Westphalia (NRW) and the fourth-most populous city of Germany with 1.1 million inhabitants in the city proper and 3.6 million people in the urban region. Centered on the left (west) bank of the Rhine, Cologne is about southeast of NRW's state capital Düsseldorf and northwest of Bonn, the former capital of West Germany. The city's medieval Catholic Cologne Cathedral (), the third-tallest church and tallest cathedral in the world, constructed to house the Shrine of the Three Kings, is a globally recognized landmark and one of the most visited sights and pilgrimage destinations in Europe. The cityscape is further shaped by the Twelve Romanesque churches of Cologne, and Cologne is famous for Eau de Cologne, that has been produced in the city since 1709, and "cologne" has since come to be a generic term. Cologne was founded and established in Germanic ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Olpe, Germany
Olpe is a town situated in the foothills of the Ebbegebirge in North Rhine-Westphalia, roughly 60 km east of Cologne and 20 km northwest of Siegen. It is part of the ''Regierungsbezirk'' of Arnsberg and is the seat of the district of Olpe. Geography Location Olpe lies in the Sauerland on the southern edge of the Ebbegebirge Nature Park. In the town's north lies South Westphalia's biggest reservoir, the Biggesee. Rivers and mountains The highest mountains are: * Engelsberg (589 m) * Rother Stein (583 m) * Feld-Berg (556 m) * Hohe Rhonard (526 m) The inner town is ringed by the following hills: * Imberg * Hatzenberg * Gallenberg * Lindenhardt * Eichhardt * Kimicker Berg * Bratzkopf * Kreuzberg The municipal area also has a few rivers or brooks that all empty into the Biggesee: * Bigge, fed by: * Olpe, itself fed by: * Günse * Felmicke (underground), * Kortemicke (underground), * Ahe Other rivers in the municipal area: * Brachtpe * Neger The Veischedebach ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Oberbergischer Kreis
The Oberbergischer Kreis ( ksh, Boverbärjische Kreiß) is a ''Kreis'' (district) in the state of North Rhine-Westphalia, Germany. Neighboring districts are Ennepe-Ruhr, Märkischer Kreis, Olpe, Altenkirchen, Rhein-Sieg, Rheinisch-Bergischer Kreis, and the urban districts Remscheid and Wuppertal. Name The district was named after the region known as ''Bergisches Land'', which belonged to the County of Berg for most of the medieval era. What is called "Oberbergisch" ("upper Bergian") lies in the southeast of that earldom. By 1740, descriptions of the area distinguished between "Niederbergisch", which was north of the river Wupper, and "Oberbergisch" to its south. In 1816, after the entire Rhineland was annexed to Prussia, the districts of Waldbröl, Homburg, Gimborn, Wipperfürth, and Lennep were created within the area now covered by the district. In 1825 the districts Gimborn and Homburg were merged into the district Gummersbach. In 1932 it was merged with the district o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Germany
Germany, officially the Federal Republic of Germany (FRG),, is a country in Central Europe. It is the most populous member state of the European Union. Germany lies between the Baltic and North Sea to the north and the Alps to the south. Its 16 constituent states have a total population of over 84 million in an area of . It borders Denmark to the north, Poland and Czechia to the east, Austria and Switzerland to the south, and France, Luxembourg, Belgium, and the Netherlands to the west. The nation's capital and most populous city is Berlin and its main financial centre is Frankfurt; the largest urban area is the Ruhr. Settlement in what is now Germany began in the Lower Paleolithic, with various tribes inhabiting it from the Neolithic onward, chiefly the Celts. Various Germanic tribes have inhabited the northern parts of modern Germany since classical antiquity. A region named Germania was documented before AD 100. In 962, the Kingdom of Germany formed the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rolling-element Bearing
In mechanical engineering, a rolling-element bearing, also known as a rolling bearing, is a bearing which carries a load by placing rolling elements (such as balls or rollers) between two concentric, grooved rings called races. The relative motion of the races causes the rolling elements to roll with very little rolling resistance and with little sliding. One of the earliest and best-known rolling-element bearings are sets of logs laid on the ground with a large stone block on top. As the stone is pulled, the logs roll along the ground with little sliding friction. As each log comes out the back, it is moved to the front where the block then rolls on to it. It is possible to imitate such a bearing by placing several pens or pencils on a table and placing an item on top of them. See " bearings" for more on the historical development of bearings. A rolling element rotary bearing uses a shaft in a much larger hole, and cylinders called "rollers" tightly fill the space between t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Federal Republic Of Germany
Germany, officially the Federal Republic of Germany (FRG),, is a country in Central Europe. It is the most populous member state of the European Union. Germany lies between the Baltic and North Sea to the north and the Alps to the south. Its 16 constituent states have a total population of over 84 million in an area of . It borders Denmark to the north, Poland and Czechia to the east, Austria and Switzerland to the south, and France, Luxembourg, Belgium, and the Netherlands to the west. The nation's capital and most populous city is Berlin and its main financial centre is Frankfurt; the largest urban area is the Ruhr. Settlement in what is now Germany began in the Lower Paleolithic, with various tribes inhabiting it from the Neolithic onward, chiefly the Celts. Various Germanic tribes have inhabited the northern parts of modern Germany since classical antiquity. A region named Germania was documented before AD 100. In 962, the Kingdom of Germany formed the bulk o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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