Introduction of tunnel construction unit?

What are the well-known tunnel construction units in China at this stage? What is the basic profile? The following are the basic contents of the tunnel compiled by Zhong Da Consulting Bianxiao Company:

Zhong Da Consulting sorted out the famous tunnel construction units through the knowledge of architectural knowledge column of this website, and the basic situation is as follows:

Well-known tunnel companies in China mainly include China Railway Tunnel Group, Shanghai Tunnel Engineering Co., Ltd. and China Construction Fifth Bureau Tunnel Company. Bad records, honors, qualifications and other information of construction enterprises of specific construction tunnel construction units can be found in Zhong Da Consulting and Construction Information.

Brief introduction of China Railway Tunnel Group;

China Railway Tunnel Group (CTG) is the largest enterprise group in the field of tunnel and underground engineering in China, which integrates four functions: survey and design, building construction, scientific research and development, and mechanical repair.

The predecessor of China Railway Tunnel Group was 1978+00, the Tunnel Engineering Bureau of the Ministry of Railways approved by the State Council in June, and later renamed as China Railway Tunnel Engineering Bureau. In May of 20001,it was restructured into China Railway Tunnel Group Co., Ltd., headquartered in Luoyang, Henan Province, and affiliated to China Railway Engineering Group Co., Ltd., and in 2008, it was affiliated to China Railway Corporation, known as China Railway Tunnel.

Brief introduction of Shanghai Tunnel Engineering Co., Ltd.;

1965, Shanghai Tunnel Engineering Company was established, becoming the earliest engineering construction unit in China to carry out shield tunnel test and engineering application.

From August 1965 to September 1970, the first river-crossing tunnel in China, Shanghai Dapu Road Tunnel, was completed. Self-developed φ 10.2 m grating extrusion shield was used to excavate 1322m at the bottom of Huangpu River. Combined with the four key technologies developed by the project, such as shield tunnel, tunnel lining and continuous caisson, 65438+ was obtained.

China Construction Fifth Bureau Tunnel Company:

Tunnel Company is a professional company under China Construction Fifth Engineering Bureau Co., Ltd., a member of China State Construction Engineering Corporation, a fortune 500 enterprise in the world, with its headquarters in Chongqing. The company is mainly engaged in tunnel engineering, rail transit engineering, railway engineering, highway engineering, municipal engineering and other construction business, and its business is mainly distributed in Chongqing, Guizhou, Sichuan, Shanxi, Shenzhen, Liaoning and other regions.

The company abides by "owner first, customer first, honesty first, service first" and "rule first" to be a law-abiding enterprise; Pursuing infinity and creating excellent projects; The earth is unparalleled, building a green home; Life is priceless, round healthy life "is the business policy of the enterprise." We have mastered NATM construction technology in the field of tunnel construction, and have rich experience in tunnel construction under complex geological conditions such as fault breakage, weak surrounding rock, swelling rock, coal-bearing stratum, loess, water gushing, mud gushing and karst. In highway engineering, municipal engineering and other fields, it has formed obvious technical advantages and management advantages, and established a set of project management mode to adapt to the market situation and meet the requirements of the owners.

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