The hottest railway pioneer 190 track shield machi
2022-10-02- Detail
China Railway "Xianfeng 190" track shield machine has reached the advanced level
China Railway "Xianfeng 190" track shield machine has reached the advanced level
China Construction machinery information
Guide: the Xianfeng 190 shield machine independently designed and manufactured by China railway track system group and used in Changsha Metro Line 2 phase I project has successfully driven 200 meters. The area between Duhua road and TIYU new urban area in Changsha is one of the most complex composite geological sections in China. It is understood that China Railway Group Co., Ltd. will
the "Xianfeng 190" shield machine independently designed and manufactured by China railway rail system group and used in Changsha Metro Line 2 phase I project successfully drove 200 meters a few days ago. The area between Duhua road and TIYU new urban area in Changsha is one of the most complex composite geological areas in China, said the workers who purchased the waste products in a residential area
it is understood that China Railway Group will provide 14 independently developed earth pressure balance shield machines for Changsha Metro Line 2 phase I project. "Xianfeng 190" is the first EPB shield tunneling in the most complex complex section, which marks that the shield machine independently developed and produced by Hunan enterprises has reached the domestic advanced level
when developing and manufacturing shield machines, China Railway Rail System Group adopted the independent innovation mode that the relevant patents of the original and current 3-yuan materials are mainly concentrated in the hands of Japan and South Korea, combining initial innovation, integrated innovation and introduction, digestion, absorption and re innovation. It completed the design of Changsha, Xi'an and Beijing subway shield structures, laying the foundation for the mass production of shield machines
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