Wenzhou billboard production industry usually support the outdoor advertising carrier is called the foundation, the current reinforcement of the outdoor billboard foundation there are the following:

1. Foundation expansion method: Wenzhou billboard production by setting concrete sheath or reinforced concrete sheath, increase the area of the foundation at the bottom of the billboard, change the uneven settlement of the foundation caused by the small area of the base of the billboard and the insufficient bearing capacity.

2. Pit underpinning method: concrete is poured directly after digging a pit under the underpinning foundation.

3. Pile replacement method: static pressure column, driven pile, cast-in-place pile and other piles are set at the lower part or both sides of the billboard foundation to strengthen the foundation.

4. Grouting support method: The chemical slurry is evenly injected into the foundation, and the original loose soil or cracks are cemented and solidified through these slurry to achieve the effect of improving the bearing capacity of the foundation and waterproof and anti-seepage.

Several ways of making billboards

House number identification plate