1, the top lift deviation method: in the foundation of the settlement of the large advertising billboards, through the adjustment of the various parts of the board of the top of the amount, make it along a certain point or a straight line for the overall plane rotation, in order to achieve the purpose of in situ济南发光字
2, expanding method: by setting concrete enclosure or enclosed reinforced concrete, increase the billboard based bottom area, change due to lack of billboard foundation area is small, the bearing capacity of the uneven settlement of foundation.
3, the correction method of landing on billboards: one side of the foundation settlement measures taken to prevent sinking, and landing on the other side. Take measures landing method includes: loading steel ingot or stone, construction of cantilever beam, forced settlement and injection correction.
4, pit type underpinning method: directly under the foundation of the foundation after the placement of concrete placement. Ji'nan billboard production
5, grouting underpinning method: the chemical slurry evenly injected into the foundation, through the slurry of the original loose soil or crack cementation solidification, in order to improve the bearing capacity of the foundation, waterproof anti permeability role