The floor settlement problem of the factory is very common in the industrial field and often needs urgent treatment. This article will introduce the causes of floor subsidence and some methods of building subsidence repair.

1. Reasons for floor settlement of the workshop

(1) Soil problems: the nature of the soil itself is extremely important, which can determine to a large extent whether the workshop will have uneven settlement. If the soil quality of the foundation is poor, such as silt soil, high thickness backfill soil, etc., and it is not properly treated, it is easy to settle under the action of self-weight and overlying load for many years.

(2) Load change: In the plant, the installation and operation of equipment may lead to the increase of local load, which exceeds the bearing capacity of the plant foundation, resulting in floor settlement.

(3) Foundation design problems: Incorrect foundation design, construction or material selection can also lead to floor settlement.

(4) Groundwater problems: in the event of heavy rain, the groundwater level surges, the foundation is flooded for a long time, the structure will be destroyed, the bearing capacity of the foundation will be greatly reduced, and the floor will be settled.

2. building subsidence repair method

(1) Underground pile foundation: This is a common reinforcement method by installing piles underground to support the floor. This can be divided into reinforced concrete pile and steel pipe pile, according to the actual situation to choose the appropriate type.

(2) building subsidence repair grouting: This method involves injecting cement slurry underground to fill gaps in the soil and improve the soil's compactness and load-carrying capacity.

(3) Foundation replacement method: This method involves replacing unsuitable soil with more suitable soil or filler to improve the stability of the foundation.

3. The cutting-edge building subsidence repair method developed by our company

Precise and non-destructive foundation repair technology: special materials are used to fill, permeate and compact the soil, and the two are solidified and combined to form a slurry and soil combination, which improves the property of the soil itself, enhances the bearing capacity of the foundation and improves the overall stability of the foundation. This process also generates upward lift to achieve building subsidence repair and floor uplift. Using this technology for settlement treatment, the construction site can be miniaturized, does not affect the production and operation of the plant, does not destroy the plant structure, saves half the construction period than the traditional scheme, saves time and costs for customers, and avoids a large number of economic losses.

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