The floor uneven settlement treatment project is a common problem in industrial production, but stopping production for maintenance often brings huge losses. For this reason, our self-developed non-destructive controlled soil solidification technology can strengthen the foundation of lifting equipment without interrupting production. This technology ensures production continuity while effectively improving the stability and safety of the equipment base. Our professional team will customize the reinforcement lifting program according to your actual situation to ensure that the production process is not affected and the equipment foundation is stable as before.

I. Reasons for uneven settlement treatment project on the floor

1. Geological conditions

(1) Weak foundation: If the equipment foundation is built on a weak soil layer, such as silt, silty soil, wash fill soil, etc., these soil layers have low carrying capacity and high compressibility, and are prone to settlement under the action of gravity and operating vibration of the equipment.

Uneven formation: When there is a large difference in the nature of the foundation soil in the horizontal or vertical direction, it will lead to uneven settlement of the foundation of the equipment.

2. Design factors

① Insufficient design bearing capacity: In the design stage of the foundation of the equipment, if the weight of the equipment, operating vibration and other factors are not considered enough, it may lead to unreasonable design of the size, buried depth, reinforcement and so on, which can not meet the bearing requirements of the equipment, resulting in settlement.

(2) Design defects: The connection between the foundation and the equipment is unreasonable, or the fastening force of the connection part is insufficient, which may also lead to the sinking of the foundation during use.

3. Construction factors

① Construction quality problems: Construction quality problems such as insufficient strength of foundation concrete and insufficient buried depth of foundation may lead to subsidence of foundation during use.

The backfill is not solid: the backfill material fails to be rammed and compacted in layers according to the design requirements, which may lead to the subsidence of the foundation.

4. External factors

① Equipment vibration: the equipment will vibrate during operation, and long-term vibration may lead to fatigue damage and compression deformation of the foundation soil, resulting in the settlement of the equipment foundation.

② Change of groundwater level: the rise and fall of groundwater level will cause the effective stress change of foundation soil, resulting in foundation settlement.

③ Surrounding foundation construction disturbance: The construction activities of the surrounding foundation may cause disturbance to the foundation of the equipment, causing the foundation to sink.

5. Other factors

Equipment overload: If the actual operating load of the equipment exceeds the design load, it will produce excessive pressure on the foundation, resulting in foundation settlement.

② Water erosion: concentrated heavy rainfall or pipeline seepage will destroy the strength of the soil, resulting in subsidence.

Second, the impact of the floor uneven settlement treatment project

1. Device performance and operation are affected

① Subsidence may lead to changes in equipment levelness, installation accuracy and centering accuracy affected, as well as pipeline connection deformation and stress concentration, which will reduce the working efficiency and service life of the equipment, increase friction and wear of parts, exacerbate vibration and noise, and even damage transmission components, affecting processing accuracy and product quality.

(2) Affect the transmission of the medium, and may even cause safety accidents, such as in chemical equipment, pipeline leakage may lead to the leakage of harmful substances, resulting in environmental pollution and personnel injury.

2, reduce the efficiency of production operations or interrupt production

From the perspective of production and operation, when the foundation subsidence is serious, it may lead to production interruption, affecting the timely completion of the production plan and the delivery time, and the increase of the defective rate will also increase the production cost of the enterprise.

3. Increase security risks and costs

Serious settlement may lead to equipment tilt, collapse, etc., threatening the life safety of the operator and the property safety of the enterprise, increasing the operating cost of the enterprise, and limiting the expansion and upgrading plan of the enterprise, and the planning layout is limited.

Third, the reinforcement lifting plan without stopping production

Hengxiang Hongye self-developed lossless controllable soil solidification technology, the use of special new composite materials deep into the soil layer, the use of 10-30mm microhole technology, 1-90s rapid consolidation of soil to form a new structure, high strength, anti-seepage water, in the soil filling and compaction process, will produce upward lift, flexible lifting equipment foundation, and do not destroy the original equipment foundation. And improve the bearing capacity of the foundation, from the root of the treatment of foundation deformation problems, prevent secondary settlement, and provide 20 years of warranty.

Compared with the traditional foundation reinforcement methods, such as the traditional grouting method is poor in water drainage, only reinforcement does not lift; Soil squeezing effect of anchor static pile destroys soil layer; The process of changing the padding layer is complicated. Preloading time is long; Because of the high cost of underground diaphragm wall, Hengxiang Hongye non-destructive and controllable soil solidification technology is widely used in all parts of the country, and has good consolidation effect on silty soil and collapsible loess. The technology is simple in construction, does not need large-scale excavation or reconstruction, does not need to stop production, does not affect production and operation, short construction period, safety and environmental protection, and reduces the difficulty and cost of construction.

Customized reinforcement lifting solution process:

1. On-site survey: A professional team shall conduct on-site survey to assess the severity of the floor uneven settlement treatment project, measure the specific value of subsidence, and record the specific location and use of equipment.

2, plan formulation: According to the survey results, combined with the specific conditions of the equipment, site conditions and customer needs, to develop reinforcement and lifting plans.

3. Lifting equipment foundation: After the special new composite material is solidified deep in the formation, it will produce a certain lifting force and gradually lift the equipment foundation until it meets the design requirements.

4. Monitoring the lifting effect: After the grouting lifting is completed, the measuring tool is used to retest the equipment foundation to ensure that the lifting effect meets the design requirements and the equipment foundation is stable.

5, after-sales guarantee: provide 20-year warranty to prevent secondary settlement.

To sum up, the reasons for the floor uneven settlement treatment project involve geological conditions, design, construction, external factors and many other aspects. Therefore, these factors need to be taken into account in the prevention and treatment of the floor uneven settlement treatment project. The non-destructive and controllable soil solidification technology is an efficient and safe treatment method, which can realize the strengthening and lifting of the equipment foundation without affecting the production, and ensure its stability and safety.

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