The outer contour of formwork trolley shall ensure tunnel clearance after concrete pouring, and the clearance of door frame structure shall ensure safe passage of vehicles and personnel inside the tunnel.

The second lining construction (including the widening section) should adopt the whole hydraulic automatic walking lining trolley, the lining trolley should have accurate structure size, all kinds of telescopic components, hydraulic system, electrical control system running well, reasonable setting of supporting mechanisms; It should meet the requirements of automatic walking and have a locking device to ensure accurate positioning.

The common types of lining formwork are: integral mobile formwork trolley, traversing (separate moving) formwork trolley, assembled arch formwork.

Steel formwork is a steel formwork used for concrete pouring and forming. In addition to steel formwork, there are also wooden formwork, plywood formwork, etc. Steel formwork is widely used in construction projects due to its multiple uses and beautiful appearance during concrete pouring.

China Railway 15th Bureau Daxi Passenger Dedicated Line Trolley

Luoyang Tengyu Tunnel Machinery Co., Ltd. was formerly subordinated to Tunnel Engineering Bureau of the Ministry of Railways. Founded in April 2006, it is a professional company integrating R&D, design, manufacturing and repair of tunnels, bridges and hydraulic machinery. The Company has passed ISO 9001 Quality Management System Certification, Environmental Management System Certification and Occupational Health and Safety Management System Certification.