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The Azure Blue Bridge
A cable-stayed bridge has one or more towers (or pylons), from which cables support the bridge deck. A distinctive feature are the cables or stays, which run directly from the tower to the deck, normally forming a fan-like pattern or a series of parallel lines. This is in contrast to the modern suspension bridge, where the cables supporting the deck are suspended vertically from the main cable, anchored at both ends of the bridge and running between the towers. The cable-stayed bridge is optimal for spans longer than cantilever bridges and shorter than suspension bridges. This is the range within which cantilever bridges would rapidly grow heavier, and suspension bridge cabling would be more costly.
Cable-stayed bridges have been known since the 16th century and used widely since the 19th. Early examples often combined features from both the cable-stayed and suspension designs, including the Brooklyn Bridge. The design fell from favor through the 20th century as larger gaps were bridged using pure suspension designs, and shorter ones using various systems built of reinforced concrete. It once again rose to prominence in the later 20th century when the combination of new materials, larger construction machinery, and the need to replace older bridges all lowered the relative price of these designs.
The Historic Centre of Saint Petersburg and Related Groups of Monuments constitute a UNESCO World Heritage Site. Saint Petersburg is home to the Hermitage, one of the largest art museums in the world, the Lakhta Center, the tallest skyscraper in Europe, and was one of the host cities of the 2018 FIFA World Cup and the UEFA Euro 2020.
The name day of Peter I falls on 29 June, when the Orthodox Church observes the memory of apostles Peter and Paul. The consecration of the small wooden church in their names (its construction began at the same time as the citadel) made them the heavenly patrons of the Peter and Paul Fortress, while Saint Peter at the same time became the eponym of the whole city. When in June 1703 Peter the Great renamed the site after Saint Peter, he did not issue a naming act that established an official spelling; even in his own letters he used diverse spellings, such as Санктьпетерсьбурк (Sanktpetersburk), emulating German Sankt Petersburg, and Сантпитербурх (Santpiterburkh), emulating Dutch Sint-Pietersburgh, as Peter was multilingual and a Hollandophile. The name was later normalized and russified to Санкт-Петербург (Saint-Petersburg).
The Azure Blue Bridge
A cable-stayed bridge has one or more towers (or pylons), from which cables support the bridge deck. A distinctive feature are the cables or stays, which run directly from the tower to the deck, normally forming a fan-like pattern or a series of parallel lines. This is in contrast to the modern suspension bridge, where the cables supporting the deck are suspended vertically from the main cable, anchored at both ends of the bridge and running between the towers. The cable-stayed bridge is optimal for spans longer than cantilever bridges and shorter than suspension bridges. This is the range within which cantilever bridges would rapidly grow heavier, and suspension bridge cabling would be more costly.
Cable-stayed bridges have been known since the 16th century and used widely since the 19th. Early examples often combined features from both the cable-stayed and suspension designs, including the Brooklyn Bridge. The design fell from favor through the 20th century as larger gaps were bridged using pure suspension designs, and shorter ones using various systems built of reinforced concrete. It once again rose to prominence in the later 20th century when the combination of new materials, larger construction machinery, and the need to replace older bridges all lowered the relative price of these designs.
The Historic Centre of Saint Petersburg and Related Groups of Monuments constitute a UNESCO World Heritage Site. Saint Petersburg is home to the Hermitage, one of the largest art museums in the world, the Lakhta Center, the tallest skyscraper in Europe, and was one of the host cities of the 2018 FIFA World Cup and the UEFA Euro 2020.
The name day of Peter I falls on 29 June, when the Orthodox Church observes the memory of apostles Peter and Paul. The consecration of the small wooden church in their names (its construction began at the same time as the citadel) made them the heavenly patrons of the Peter and Paul Fortress, while Saint Peter at the same time became the eponym of the whole city. When in June 1703 Peter the Great renamed the site after Saint Peter, he did not issue a naming act that established an official spelling; even in his own letters he used diverse spellings, such as Санктьпетерсьбурк (Sanktpetersburk), emulating German Sankt Petersburg, and Сантпитербурх (Santpiterburkh), emulating Dutch Sint-Pietersburgh, as Peter was multilingual and a Hollandophile. The name was later normalized and russified to Санкт-Петербург (Saint-Petersburg).