China Railway Equipment shield tunneling speed lea

"Four dragons out of the hole", China Railway Equipment shield tunneling speed leads the whole line

"four dragons out of the hole", China Railway Equipment shield tunneling speed leads the whole line

China Construction Machinery Information

recently, the left line of the shield interval from Wuqing South Road station to Chuqiao station of bid 4 of Chengdu Metro Line 9 phase I was successfully tested and the equipment was required to be connected. So far, the shield double line and double section have been connected. Four earth pressure balance shield machines with a diameter of 6.98 meters designed and manufactured by China Railway Equipment Co., Ltd. excavated at the same time, and they successively went out of the hole within 17 days, setting a record in the history of Chengdu subway construction

the first Dragon: on March 27, the right line from Wuqing South Road station to Cuqiao station constructed by "China Railway 511" was connected

the second Dragon: on March 28, the right line from Huaxing station to Cuqiao station constructed by "China Railway 510" was connected

the third Dragon: on April 7, the left line from Huaxing station to Cuqiao station constructed by "China Railway 507" was connected

the fourth Dragon: on April 12, The left line from Wuqing South Road station to Chuqiao station constructed by "China Railway 512" is connected.

the authenticity of this information has not been confirmed by China engineering machinery information. At present, new energy vehicles are in the rapid development stage. 7x55-t7751 alloy plate and 2024hdt-t351 alloy lower wall plate undertaken by Dongqing Light Industry Co., Ltd. have also fully passed the transition review stage of the national defense science and Industry Bureau and COMAC. For your reference only, you should first consider whether the installation of the main part of the experimental machine is vertical. Please do not reprint without permission. If it has been used under this authorization, it shall be used within the scope of authorization, and the "source: China Construction Machinery Information" shall be indicated