Today, foundation reinforcement using FRP has received a lot of attention due to the fact that unfavorable environmental conditions in mines, refineries or coastal and marine areas, as well as inappropriate design in the amount of strengthening elements cause the foundation to crack and suffer corrosion.
One of the best strengthening solutions is foundations and piles, which can be operated without any problems and in a short time without any disturbances.
Reinforcement of the foundation using FRP
In order not to damage the building due to the force of the earthquake, they use foundation improvement with FRP and also strengthen the foundation so that there are no problems for the buildings. Many different methods are used to strengthen buildings against earthquakes, and FRP foundation is one of them. Using this method is low cost and very beneficial.
Strengthening the substrate
Pillar reinforcement, such as foundation reinforcement, is performed in order to strengthen the foundation of the building and make the foundation of the building resistant when an earthquake occurs.
Why should buildings be strengthened?
Over time, in the wake of buildings, there are breaks that are created in two ways: hidden or visible breaks. The parts that can be seen as cracking and…they are visible and visible. Parts that are hidden and cannot be seen due to settlement, soil swelling, building instability, etc., are created, which are gradually visible in the form of loose ruptures over time.
In fact, concrete foundation reinforcement results in any change in the structure or dimensions of the building foundation, which is made to adapt the existing foundation to new conditions and strengthen the building foundation in unfavorable conditions.
Methods of strengthening
Structures can be reinforced using FRP fibres
Also, the structure can be made resistant using concrete and metal jackets.
Adding more carrier ingredients helps with strengthening.
The use of lateral load-bearing elements such as walls makes the structures resistant.
It is also useful to use the cutting method, wind supports and dampers.
Also, strengthening is done using seismic isolators
Reinforcement of the foundation using FRP
Advantages and characteristics of foundation reinforcement using FRP
Changes such as increasing foundation strength strengthen the structure and dimensions of the foundation. Most of the augmentation operations are carried out in limited and unfavorable conditions, therefore, they have their own problems and complications.
Changes such as increasing foundation strength strengthen the structure and dimensions of the foundation. Most of the augmentation operations are performed in limited and unfavorable conditions, and therefore, they have their own problems and complications.
Thin FRP sheets with low fiber thickness, called FRP composite, do not occupy extra space
Reinforcing the foundation with FRP has a reasonable price, and this made it sell well all over Iran and other countries.
It is also lightweight
It has high tensile strength
It causes an increase in axial force and foundation shear
Penetration of water, moisture and oxygen is prevented and corrosion is reduced.
The foundation dimensions change and approach zero.
There is no disturbance in operation and the strengthening should be carried out faster
Why should we strengthen concrete foundation with FRP?
The main reason for strengthening buildings is to extend their life so that the buildings are more than 40 years old, and this issue is very important and necessary.
Reinforcing the concrete foundation with FRP is to prevent damage to the building, which is very important, and if the foundation of the building is weak or the soil fertility capacity is reduced, it will undoubtedly suffer unexpected damage and cause the required load capacity to be reduced. Research and SolutionProblems of Strengthening the Foundation to the Maximum Limit. As a result, the appropriate deformation process will be created to maintain rigidity and flexibility, all of which will lead to problems and accidents. Sometimes the foundation is repaired or improved to make it resistant to service changes. These changes occur directly in the gravity loads of the building. If there is an error in load calculations, especially lateral forces such as earthquakes during the design process, it is one of the parameters that makes strengthening necessary.
How to strengthen and improve foundations
A- Reduce the load on the foundation by using structural lighting materials, as well as using light, non-structural materials.
B- Geotechnical improvement of the institution through:
• Fine piles
- Make piles
- Strengthening the foundation from below
What methods are used to strengthen foundations?
Add to foundation
Make existing piles resistant.
Turn the foundations together.
Increase the dimensions of the foundation (jacket).
Reinforcement performance using FRP polymer fibers
Reinforce the foundation with coiled cables
Foundation strengthening problems
It has very high costs.
It is necessary to empty all or part of the ground floor or basement spaces.
The floor slab inside the building and the paving stones outside must be destroyed.
Space is very limited during strengthening operations. In fact, there is little space due to the temporary foundations and existing supports.
In order to equip the building, the height is low.
The building noise and vibrations are very loud
The purpose of strengthening the foundation
Strengthening is the use of a special technology with building materials, which is an important and necessary issue. Since the seismic strengthening of the foundation is necessary to resist the earthquake, if it does not, it will cause problems.
If you strengthen the building with FRP foundation, you will prevent its destruction due to earthquakes and natural disasters. By using various matrices such as polyester, vinyl, opex, etc., combined with FRP foundation, you can make great reinforcement.
Our experts provide reinforcement design by strengthening the foundation and piles, FRP polymer products or FRP sheets and using fiber layers