The hottest China Railway seventh Engineering Grou

China Railway seventh Engineering Group Co., Ltd. held a purchase ceremony. The shield machine family added Xinding

China Railway seventh Engineering Group Co., Ltd. held a purchase ceremony. The shield machine family added Xinding

China Construction Machinery Information

Guide: on April 8, China Railway seventh Engineering Group Co., Ltd. held a signing ceremony for the sales contract of newly purchased shield machines. Soon, three sets of cte6240 earth pressure balance shield machines 1 Industrial manufacturing will be put into the construction of Zhengzhou Metro Line 2. So far, the group has increased the number of shield machines to 6. Since the establishment of China Railway seventh Bureau Group for more than 7 years, it has always been committed to relying on science and technology to develop

on April 8, China Railway seventh Bureau Group held a signing ceremony for the sales contract of newly purchased shield machines. Soon, three sets of cte6240 earth pressure balance shield machines will be put into construction of Zhengzhou Metro Line 2. So far, the group has increased the number of shield machines to 6

since its establishment for more than 7 years, China Railway seventh Bureau Group has always been committed to relying on science and technology to develop and expand the enterprise. The introduction of combined pedal durability test-bed and the preparation technology of new materials on major machinery and equipment are still being innovated. More than 1.3 billion yuan has been invested to purchase more than 1000 sets of large-scale construction equipment, including earth pressure balance shield machine, 900 ton full hole box girder lifting and transporting equipment for high-speed railway, 500m long rail releasing equipment, mortar mixer, large complete sets of mechanized road maintenance vehicles, ballasted line track laying unit, etc. the original value of construction equipment reaches 2.198 billion yuan, and the total power of equipment is 433400 kW. With its advanced technical performance, these equipment are widely used in high-speed railway Urban rail transit and other engineering construction fields have played an important role

with the development of underground space, shield technology has been widely used in subway, tunnel, municipal pipeline and other engineering fields by using cement slurry to fill all the gaps under the base. The three existing shield machines of China Railway seventh bureau group have performed well in the construction of Shenzhen and Xi'an Metro. It is understood that the group has invested more than 100million yuan to purchase three cte6240 earth pressure balance shield machines with a single machine diameter of 6.24 meters, which are China Railway 31, 32 and 33 units respectively. They will be used in the construction of Zhengzhou Metro Line 2 in the early stage