Tower Bridge is a suspension bridge, located in London, England, across the Thames. It is named for its proximity to the Tower of London. It is the first bridge from the mouth of the Thames (15 bridges were built on the Thames) and a symbol of London. Tower Bridge in London was built in 1886 and opened to the public on June 30th, 894, connecting the north and south parts of London into a whole.
Design structure
The design of tower bridge in London has a certain position in the world bridge construction field. There are two towers made of granite and steel on both banks, about 60 meters high, which are divided into upper and lower floors. The upper floor supports the towers on both sides, and the lower floor allows pedestrians and vehicles to pass. If the ship honks, the lower deck can automatically tilt to both sides, and pedestrians can be diverted from the upper deck. There are shops and bars on the bridge. Even in rainy and snowy days, pedestrians can shop, chat or bend over to enjoy the scenery on both sides of the bridge.
From the appearance, the two ends of the tower bridge are Victorian masonry towers, but in fact the structure of the tower body is mainly steel. It is equipped with hydraulic machinery for opening and closing bridges weighing 1000 tons. Since the tower bridge was built, its mechanical function has been normal and there has never been a failure. After the ship honks its horn, the crane can lift the bridge deck in only one minute.
Building parameters
The two ends of the tower bridge are connected by four stone towers, and the two main towers are 43.455 meters high. The two bridges in the river are 7.6 meters high and 76 meters apart.
Tower Bridge in London is a suspension bridge, originally a wooden bridge, later changed to a stone bridge, and now it is a six-lane cement structure bridge. The bridge under the Tower Bridge in London can be opened. The two bridges in the river are 7.6 meters high and 76 meters apart. There are two towering square main towers on the bridge foundation, which are square five-story towers made of granite and steel, with a height of 43.455 meters. The two main towers are made of white marble roofs and five small minarets, which look like two crowns from a distance. The span between the two towers is more than 60 meters, and the tower foundation and the two banks are connected by cable suspension bridges. The bridge is divided into upper and lower floors. The upper floor (about 42 meters above the high tide level) is a wide suspended sidewalk with glass windows on both sides. Pedestrians can enjoy the beautiful scenery on both sides of the Thames when they pass the bridge. The lower floor is accessible to vehicles. When the 10,000-ton ship passed by the Thames, the machines in the main tower started and the bridge slowly separated and folded. After the ship passed, the bridge body slowly fell and traffic resumed. Two movable bridge decks, each weighing1000t. Looking at the tower bridge from a distance, the Twin Towers are majestic. The bridge tower is equipped with stairs, museums, exhibition halls, shops, bars and so on. From the tower, you can enjoy a ten-mile view of the Thames. If you encounter a foggy bridge, the landscape will be even more unique. The misty Locktower Bridge is one of the scenic spots in London. From the bridge or the river, you can see that the British warship Belfast is parked on the river not far away. This is the most intact warship in Britain since World War II.
Jones's design is a 244-meter-long open bridge with two towers, each of which is 65 meters high. The middle length of the bridge is 6 1 m, and it is divided into two sectors, each of which can be erected at 83 degrees to allow river traffic to pass. These two bridge sections each weigh thousands of tons, and their axes are located at their centers of gravity to reduce the force required to lift them. They can be lifted in a figure of eight in one minute. At first, the lifting device was hydraulic, so it had six reservoirs to generate high-pressure water. The steam engine pumps water from the reservoir into the hydraulic device. The bridge was hoisted by a motor, but the ancient steam engine mechanism is still available for visit.
Tower Bridge
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