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The principle of Newton's mathematical bridge
The number of existing ancient bridges in the city is the largest: the number of splayed bridges is the largest; The largest number of ancient quasi-catenary arch bridges; The horseshoe arch bridge of Yingxian Bridge has the most holes. The earliest single-tower cable-stayed bridge in China: Zhang zhen Bridge The oldest existing open-shouldered arch bridge is Zhao Zhouqiao, Zhao County, Hebei Province. It was built from the 15th year of Emperor Kai of Sui Dynasty to the first year of Daye (595-605). The earliest existing multi-arch stone bridge with span is baodai bridge, Suzhou, Jiangsu. Founded in the 11th year of Tang Yuanhe (8 16). The earliest existing bridge crossing is the fish pond flying beam in Jinci, Shanxi Province, which was built in the first year of Chongning in the Northern Song Dynasty (1 102). The earliest movable switch stone bridge is Guangzhou Chaozhou Guangji Bridge. It was built in the 10th year of Xuande in Ming Dynasty (1435). The world's largest stone arch bridge —— Sweden 1946 Suyinasson Bridge, with a span of 155m. The world's first cable-stayed bridge with reinforced concrete girder-waterway bridge across the Danube 1925 was built in Spain, with a main span of 60.35m-the world's largest prestressed concrete cable-stayed bridge-Lulu, Spain. Span of 440 meters, using bilateral radial cable layout. The world's first suspension bridge, the Akashi Strait Bridge in Japan, spans the inland sea of Japan and connects Kobe and Awaji Island in Japan. The total length of the bridge is 365,438+090 meters, of which the span of 1990 meters was completed in 1998. It can withstand an earthquake measuring 8.5 on the Richter scale. The largest cable-stayed bridge in the world is 1 Duoluo Bridge 890 Japan 1992 Normandy Bridge 856 France 1995 3 Nanjing Second Yangtze River Bridge 628 China 200 1 4 Wuhan Third Yangtze River Bridge 66544. 02 5 Qingzhou Minjiang Bridge 605 China/KOOC-0/999 6 Yangpu Bridge 602 China/KOOC-0/993 7 Xupu Bridge 590 China/KOOC-0/997 8 Minggang Central Bridge 590 Japan/KOOC-0/998 9 ROIN-ANTRI 3× 560 Greece 2004/KOOC-0/. 1 1 Xushi Bridge 5 18 China 199 12 Hejian Waterway Bridge 5 10 Japan 1994 13 Jingsha Yangtze River Bridge 500 China 2002. 1998 2 Dadai Bridge 1624 Denmark 1996 3 Humber Bridge14 UK 198 1 4 Jiangyin Yangtze River Highway Bridge 1385. 1298 USA 1964 7 Golden Gate Bridge 1280 USA 1937 8 Hogakus Bridge 12 10 Sweden 1997 9 Kemeijin Strait Bridge/kloc-0. +0 100 Japan 19881kloc-0/the second Bosphorus bridge1988 Turkey 12 Bosphorus bridge 1074 Turkey1973. The most incredible bridge is on the quiet Jianhe River. There is an ancient wood truss Bridge-"Math Bridge". The most famous bridge in this area has been accompanied by the oldest building along the Jianhe River-the red brick residence of the Dean of Queen's College, Cambridge University, which has gone through more than 250 years. The legend of "Mathematical Bridge" is a household name in Cambridge. According to legend, the great mathematician Newton personally designed and built the bridge when he was teaching in Cambridge. The whole bridge is not fixed with nails and screws. Later, in order to explore the mystery of the bridge, the students of Queen's College took it apart for analysis, but it could not be restored and had to be fixed again with nails. It is also said that this is the masterpiece of British bridge designer William Esridge when he was studying at Queen's College. In addition, he was inspired by Chinese bridges after traveling in the East. In fact, the bridge was built by James Essex Jr. according to Esrich's design. The prototype of modern steel beam bridge is displayed, and the included angle between adjacent trusses of the bridge body is 1 1.25 degrees. In the18th century, this design was called geometric structure, so this bridge was named "Mathematical Bridge". 2. The longest double-deck bridge, Akashi Strait Bridge in Japan, lies between Honshu and Shikoku, with a main span of1991m (960+1991+960) and a total length of 39 10 m, and is a three-span double-hinged truss girder suspension bridge. After the Kobe earthquake, it still stands today. 3. The Golden Gate Bridge, the favorite bridge for suicides, was built in 1937, with a cost of $3 million. It is one of the largest single-span suspension bridges in the world, with a length of 2,780 meters and a height of about 67 meters from the sea surface to the center of the bridge. There are two 227-meter-high towers at both ends of the bridge. At both ends of the Golden Gate Bridge Orange Island Bridge, steel columns stand and are connected by thick steel cables. The midpoint of the steel cable hangs down, almost close to the bridge body, and the steel cable and the bridge body are connected by thin steel cables. The whole Golden Gate Bridge looks simple and magnificent. In memory of designer and engineer Strauss, people put his bronze statue on the bridge. On the day when the Golden Gate Bridge was completed, 200,000 people happily crossed the bridge to celebrate this day. Today, the Golden Gate Bridge is one of the busiest bridges in the world, with about 654.38 million cars rumbling by every day. The title of "the most famous suicide site in the world" cast a black veil over the beautiful Golden Gate Bridge in San Francisco, USA. Since the completion of the 1937 bridge, more than 1300 lost souls have fallen from it. According to American media reports, the city government of San Francisco is preparing to add suicide prevention facilities on the local landmark Golden Gate Bridge. 4. The Bridge with the Shortest Traffic Time in the Century In 2000, Britain not only built the Millennium shed in southeast London and the skyscraper Ferris wheel in the city center, but also set up a dazzling "silver belt" on the Thames-the Millennium Bridge. Compared with 28 ancient, dignified, strong and vigorous "predecessors", this newly born "little sister" is particularly different with its concise and lively structure, light and slender shape and continuous, smooth and energetic aesthetic feeling. 5. The most helpless bridge, as one of the symbols of Venice, was built at 1600. This is an almost completely closed stone bridge, connecting the governor's residence with the nearby dungeon. On one side of the bridge is the governor's residence, where prisoners were tried in the15th century. However, the prisoners who come here for trial will never get out alive again, because they are all prisoners sentenced to life imprisonment or death penalty. Before the execution, the last road they took was this bridge, because they had to cross the bridge to the prison at the other end to execute. At that time, there were windows on the bridge, and prisoners could take a last look at the world. When crossing the bridge, they looked at the world they were leaving. Prisoners will sigh with regret. Over time, even the bridge was infected, and then sighed. Every year, countless couples come to this bridge to kiss, because it is said that kissing on the bridge of sighs will make love last forever. 6. The most asymmetrical bridge, the Seulin Bridge in Cologne, Germany, was built at 1960. This cable-stayed bridge has only one pylon. This asymmetric single-bridge tower design is because these two towers will affect the view of Cologne Cathedral from the river. 7. The most modern bridge, 1996, is an ultra-modern Erasmus bridge built in Rotterdam, named after the famous humanist and theologian D Erasmus (1469- 1536). The bridge bounced gently and reached the slim girl's jade leg, with her toes pointing to the sky. 8. The most beloved bridge1The Elizabeth Bridge on the Danube River in Budapest, completed in 903, was the longest suspension bridge with eye ring at that time, with a span of 290 meters. When the color of the curtain drops, the lighting emphasizes the contrast between the beautiful hanging chain and the magnificent tower. This bridge is white everywhere. The Hungarians themselves described it as "Bai Ou Ling Bo". 9. St. Petersburg, with the largest number of bridges, is located on 42 small islands at the mouth of the Neva River, connected by more than 300 bridges. Therefore, St. Petersburg has become a world-famous bridge city and has the reputation of "Bridge Museum". 10, Highest Bridge Before 2004, the highest bridge in the world was the Roy George Bridge on the Arkansas River in dorado, with a main span of 268 meters and a deck 32 1 m above the water. It took only three months to build the bridge, from 1929 to 65438+February. However, this record is now broken by the French Mi Yue Bridge. The inauguration ceremony of Mi Yue Bridge was held on June 5th+February 6th+April 6th, 2004. The bridge deck is 270 meters above the ground, and the highest point of the stay cable is 343 meters above the ground, which is 23 meters higher than the Eiffel Tower. It is the highest bridge in the world at present. This bridge is located on the highway from Paris, the capital of France, to the Mediterranean region.