Yiyang Foundation Reinforcement Construction, Factory Foundation Settlement Reinforcement, Structural Reinforcement Renovation - Which Yiyang Reinforcement Company to Choose? Choose Guode Reinforcement Company, specializing in foundation reinforcement for over a decade!
The foundation is the cornerstone of a house, crucial to its overall safety performance, and foundation issues must be taken seriously. As a hidden part of the building, even if there are problems with the foundation, they may not be easily detectable, often leading to significant economic losses once the issues become severe and manifest. When do we need to reinforce the foundation?
When constructing buildings on foundations, the foundations are typically compacted to support the structure. However, some foundations may not be compacted properly during the process. Although the reinforced foundation appears hard and even on the surface, the soil inside is unevenly distributed in hardness. Within just a few years, such foundations will show severe problems.
During initial reinforcement, the force and strength of the reinforcement are designed based on the load-bearing capacity of the building being constructed. If the foundation pressure at the base of the building exceeds the bearing capacity of the foundation, the settlement speed of this type of foundation will increase.
The methods for foundation reinforcement in different soil conditions vary. Some construction units lack sufficient experience, applying the same reinforcement method to all foundations without considering the specific nature of certain soil types. This leads to improper foundation reinforcement, necessitating further reinforcement in the later stage.
After a change in the functionality of a building above the foundation, the building's load-bearing capacity often changes, which can exert an invisible load on the foundation. Once the building's load-bearing capacity experiences a significant change, if the foundation remains under this high pressure for an extended period, serious issues may arise within a few years. For such foundations, reinforcement should be undertaken as soon as possible.
If the foundation encounters the aforementioned issues, reinforcement is necessary. The safety of the foundation is crucial to the safety of the entire building. Any problems should be addressed promptly; foundation issues should not be overlooked. To reinforce the foundation, seek a reinforcement company to handle the work. Implement the reinforcement after a solid plan is in place, ensuring the quality of the project.
The following are commonly used foundation reinforcement methods
a. Increased Section Method
Suitable for shallow foundation piles and strip foundations; less applicable to raft foundations, box foundations, and pile foundations.
b. Increase burial depth method
Applicable when the subgrade layer adjacent to the base layer is a good bearing soil, and the bearing layer is above the groundwater level.
c. Alteration of Basic Type Method
As from pile foundation to strip foundation; from strip foundation to raft foundation, pile foundation; from brick strip foundation to concrete strip foundation, etc.
d. Pressure Grouting Method
Ideal for treating uneven-bearing soil foundations; uses cement slurry or cement-silica gel mixture, but generally not suitable for soil layers with collapsibility.
e. Static Pressure Piling Method
Broad applicability; transmits the load to the deep soil strata, but the pile driving force should be less than 80% of the upper structure's self-weight.
f. Root Ball Method
Wide applicability; strengthens the foundation soil and transfers the upper load to the deeper soil strata. However, use with caution for soil layers prone to caving (such as silt soil).
8 Techniques for Foundation Reinforcement, classified into 8 methods based on different reinforcement principles:
1. Replacement Method: Includes soil replacement with bedding layers, extrusion replacement, cushioning method, vibratory replacement, dynamic compaction replacement, sand and stone pile method, lime pile method, and EPS ultra-lightweight fill soil method.
2. Drainage consolidation methods: include surcharge preloading, overloading preloading, vacuum preloading, combined vacuum preloading and surcharge, lowering groundwater level methods, etc.
3. Grouting Methods: Includes high-pressure jet grouting, deep mixing, infiltration grouting, crack grouting, compaction grouting, and electrochemical grouting, etc.
4. Compaction or densification techniques: Includes surface compaction methods such as rolling, dynamic compaction, vibration densification, sand and gravel pile compaction, blasting densification, soil piles, and lime soil piles, etc.
5. Reinforcement Methods: Includes reinforced earth, anchoring methods, pile foundations (precast piles, driven piles, bored piles, root piles, jet-grouted piles, etc.).
6. Cold and Hot Treatment Methods: Includes freezing and sintering methods.
7. Underpinning: Includes methods such as basic widening, pile underpinning, pad underpinning, foundation reinforcement, and comprehensive underpinning.
8. Correction Methods: Includes methods such as earth removal forced landing, loading forced landing, lifting correction, and comprehensive correction.
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