Introduction of Nanning Bridge?

The total length of Nanning Bridge is 13 14.773 meters, in which the main bridge is 734.502 meters long, the approach roads on both sides are 580.27 1 meter, the maximum span is 300 meters, and the width of the deck and subgrade is 35 meters. The total length of Nanning Bridge is 13 14m, which means a lifetime and reflects Mr. Lin Tongyan's eternal love for bridge design and construction. The conceptual design adopted by Mr. Lin Tongyan, an American Chinese, has a unique structure and beautiful shape. It is the world's first long-span, curved beam and asymmetric arch bridge, and its design is positioned as a landmark building in Nanning.

curved bridge

Nanning Bridge, the world's largest long-span oblique arch curved bridge located on the west side of Qingxiu Mountain Scenic Area in Nanning, is one of the key projects of "136" in Nanning. It is not only a key project for Nanning to implement the strategy of "focusing on the south, speeding up the construction of wuxiang new district and recreating a new Nanning", but also an important transportation hub for promoting the construction of Beibu Gulf and building a regional international city.

brief introduction

Nanning Bridge, located in the southeast of Nanning, is connected to wuxiang new district in Liangqing District in the south. It is the main channel for Nanning southeast to enter the city and expressway. Nanning Bridge has a total length of1314.773m, a total length of 734.502m, six lanes in both directions, and a designed driving speed of 50km/h.. Now it has been built and become a landmark building in Nanning.

Bridge designer

Lin Tongyan, a bridge master and tenured professor at Berkeley, USA, died at his home in El Seledo at the age of 9 1, which made the Chinese community and even the whole engineering community feel sorry for his departure. According to the US World News Network, the theory of "prestressed concrete" founded by Lin Tongyan, who has the reputation of "Mr. Prestressed Concrete", has created a new milestone in world engineering construction. He is recognized by the international architectural community as one of the greatest contemporary structural engineers, and his works are spread all over the world, from Musconi Convention Center in San Francisco, USA to Guandu Bridge in Taiwan Province Province, China, and the largest underground exhibition hall in Moscow. As the world, Jiewei has added endless rich colors.

Lin Tongyan, 19 12, was born in Fuzhou, Fujian. /kloc-graduated from Tangshan jiaotong university at the age of 0/9, and obtained a master's degree from Berkeley at the age of 2/kloc-0. From 1933 to 1946, Lin Tongyan successively served as bridge director of chengdu-chongqing railway, China, design director of Yunnan-Myanmar Railway, chief engineer of Gong Xin Company and.

From 1946 to 1976, Lin Tongyan served as Professor Berkeley, Head of the Department of Structural Engineering and Director of the Structural Engineering Laboratory, and also served as Chairman of the School Education Development Committee. His "prestressed concrete theory" was founded in Berkeley.

Lin Tongyan founded Lin Tongyan Engineering Office on 1954, and changed its name to Lin Tongyan International Company in the late 1960s. 1992 founded Lin Tongyan China Company.

In the middle of the Cold War in the 20th century, Lin Tongyan, who had long adhered to the concept of world peace, designed the Bering Strait Bridge from Alaska to Siberia-"World Peace Bridge" to express his strong desire to improve US-Soviet relations. For Lin Tongyan, a bridge is not only an entity connecting two tangible lands, but also a symbol connecting two cultures and politics.

Lin Tongyan won numerous awards before his death. The highest award is the National Science Award, the highest honor of American scientific and technological circles. President Reagan personally awarded 1986. Lin Tongyan lent Reagan the opportunity to award the prize, presented him with a 16 page design of the Bering Strait World Peace Bridge, and urged him to give up the idea of war, which became a sensational international news at that time.

Construction significance

After the completion of Nanning Bridge, it has not only become the main channel for southeast Nanning to enter the urban area and expressway, but also a landmark building in Nanning. It is located at the intersection of Qingxiu Mountain and Liyuan Mountain Villa, which embodies the characteristics of ecological gardens. It starts from the extension line of Qingshan Road in the north and connects with Panlong New District in Liangqing District in the south, and governs wuxiang new district in Liangqing District and Longgang New District in Yongning District. It is the connection point of Nanning New Economic Expressway [1]. In terms of structural design, Nanning Bridge is the world's first large-span asymmetric ribbed arch bridge, with a semi-cloverleaf interchange on the north and south banks. The circular arches on both sides of the bridge are inclined outward at different inclination angles, and each is connected by 10 stay cables. From a distance, it looks like two docked harps across the banks of Yongjiang River.

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