Manufacturing requirements for formwork trolley
[Student Question] What are the manufacturing requirements of formwork trolley for passenger dedicated railway tunnel?
1. 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 strength and stiffness of the gantry structure, support system and formwork of the formwork trolley should meet the combination of various loads.
The working Windows of the wall part of the formwork trolley should be arranged in layers, the height should not be greater than 1.5m, each layer should be set up with 4 ~ 5 Windows, the headroom should not be less than 45×45cm, the two ends of the inspection holes, and the corresponding concrete conveying pipe support or hanger.
5 Formwork trolley should consider the crossing form of ventilation pipe.
6. The formwork trolley shall be provided with sufficient bearing screw support and radial formwork screw support.
The blocking structure and inspection hole of concrete should be set in the proper position of the formwork trolley arch.
The attached vibrator mounted on the formwork trolley shall be able to start independently.
The above content is organized according to the problems encountered in the actual work of students, for reference, if there is a problem, please timely communicate, correct.
Key points of making tunnel lining formwork trolley
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.
Steel formwork is a steel formwork used for concrete placeme......
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.