The shield construction technique was first pioneered by British engineer Bruno in 1806 and has been used for more than 200 years in the Thames tunnel in London, England. The technology has little impact on the city’s commercial, transportation and residential areas because it does not need to take up the construction sites along the tunnel. It is soon admired by all countries. After several generations of technical personnel’s unremitting efforts, by the method of shield tunnel construction technology application initially only in a handful of European and American developed countries, developed into the developing countries in gradually applied in the construction of municipal construction technology.

Shield Tunneling Technology in China

Since the 50 s and 60 s of the 20th century, shield construction in China’s coastal (Shanghai, guangzhou, shenzhen, tianjin) and inland cities (Beijing, nanjing and wuhan) has been applied gradually, and in the rail transit MRTS, highway tunnel construction, energy and other fields is 8600 more than, the total mileage of 4370 kilometers.In the 1990s, shield construction technology entered the development period.In the 21st century, with the speeding up of urbanization in our country, the suburb closer interaction, urban transportation demand is growing, chartered shield tunnel construction in our country into a period of rapid development.

In recent years, with the municipal infrastructure construction in full swing in our country, effective utilization and development of underground space resources, become the consensus of local governments, as a result, the shield tunnel construction technology in China got rapid development in all kinds of engineering practice.When we built the tunnel using shield construction, the technology has experienced a century of development in the world.Due to the relative maturity of the technology, and the urgent need for the construction of municipal infrastructure in China, the national awareness of urban environmental protection has been strengthened.Shield tunnel construction is widely recognized and accepted for its economical and environmental protection.

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