The problem of cement slab lifting is common in the industrial sector and is often in urgent need of treatment. This article will introduce you to the reasons for cement slab lifting and some methods of foundation strengthening.

1. Reasons for cement slab lifting

(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. Foundation reinforcement 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) Foundation reinforcement grouting: This method involves injecting cement slurry underground to fill the gaps in the soil and improve the soil's compactness and 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, our research and development of the industry frontier foundation reinforcement method

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, enabling foundation consolidation and floor lifting. 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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