The Golden Gate Bridge is one of the world-famous bridges and a miracle of modern bridge engineering. This bridge stands on the Golden Gate Strait, which is 1, more than 900 meters wide and located in California, USA. It took four years, more than 654.38 million tons of steel, and cost 35.5 million dollars to build, designed by Strauss. Because of its historical value, it was co-produced by Britain and America into a documentary of the same name in 2007. The color of the bridge body of the Golden Gate Bridge is international orange, because architect Alvin Moreau thinks that this color not only harmonizes with the surrounding environment, but also makes the bridge more eye-catching in the common fog in the Golden Gate Strait. Because of its novel structure and extraordinary appearance, this bridge is widely praised as a model of beauty by the international bridge engineering community, and is also rated as one of the wonders of the modern world by the American Institute of Architectural Engineers. It is also one of the most photogenic bridges in the world.

In the maintenance work of Jinmen Bridge, painting the bridge body is one of the contents. The maintenance of the Golden Gate Bridge also includes continuous reinforcement. 1After the Loma Prieta earthquake at the end of 1989, the authorities hired experts to make a detailed assessment of the vulnerability of the Golden Gate Bridge, and formulated a reinforcement plan, which was implemented in three stages. The second phase of the reinforcement project was completed in mid-2006. This antique Roman relic building was designed by Maybeck (1862- 1957), an architect who was born in new york and lives in Berkeley. The design of the Art Palace is mainly to show the world a spectacular visual beauty. The Art Palace was the main building that started construction at that time, and 1965438+ was completed. The Art Palace is mainly a dome-shaped hall with arches and columns. When building the Art Palace, engineers used some simple building materials (a mixture of gypsum and fiber) because it was only a temporary building for hosting the World Expo. On the Art Preservation Day in June of 19 15, supporters of the Art Palace collected 33,000 signatures, raised 350,000 dollars to rebuild the Art Palace and used permanent building materials. The Art Palace, which should have been demolished, was kept under the opposition of San Francisco residents.

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