What should be paid attention to when installing the green belt guardrail?

What should be paid attention to when installing the green belt guardrail?

1. Before the installation of the green guardrail, the lower foundation of the civil construction has been formed and delivered to the brickwork or concrete pouring. The guardrail can use mechanical expansion bolts, chemical screw inspection and other methods to fix the column steel substrate board to the center of the lower foundation for straight line. cloth.

2. The following foundations have not been formed yet. It is recommended to increase the length of the column steel lining directly in the wall, and it can be formally constructed after the maintenance period of the wall; Electric welding and embedded parts are welded. These two methods are characterized by stronger connection than bolts (composition: head and screw), but the straight line and horizontal line must be paid attention to when presetting.

3. The spacing of the column steel lining must be consistent with the design size to ensure that the pre-assembled semi-finished products can be connected to it.

4. Pull two parallel lines at the upper and lower limits in the entire distance of the straight line for installation and adjustment.

5. The horizontal and vertical steel linings of the green guardrails have been installed and connected before leaving the factory, and the reinforced accessories of each bearing have been installed in place. It is only necessary to connect the guardrail horizontal linings to the uprights during site construction.