SLAB JACKING TECHNIQUE

[Audio] Slab jacking is an innovative technique for stabilizing, lifting and raising concrete pavement floors and other slab on grade surfaces. It employs pressure injection of grouts to fill in gaps, faults and other voids, stabilizing and strengthening the current infrastructure. It has numerous applications, including highway maintenance, repair of expansion joints, and repair of settlement damage in concrete slabs. This technique enables extending the life of existing concrete surfaces and improving safety..

[Audio] Slab jacking is a repair process for concrete structures that involves the pressure injection of grouts, a mixture of water, sand and cement, in order to lift, raise, or stabilize the structure. It is used to repair highways, expansion joints or settlement repairs. There are several methods for concrete repair, such as epoxy injection, grouting/sealing of cracks or flexible sealing or repair by steel prestressing, all of which are important in the preservation of concrete structures and can extend the structure's service life..

Epoxy Injection Grouting.

Sealing of cracks.

SEALING OF CRACKS.

ADDITION OF REINFORCEMENT.

STITCHING METHOD.

Drilling and Plugging.

Pre-stressing.

Pre-stressing.

[Audio] Concrete slabs which have been damaged due to settlement can be repaired using slab jacking, a cost effective and efficient method. This method involves pressure injecting grouts into the surface to lift, raise or stabilize it. This technique is commonly used in highway maintenance and for the repair of expansion joints. An additional related technique, plate bonding, can also be used; this technique combines mechanical bolting and gluing with epoxy to provide elements with higher strength, stiffness, ductility and stability..

[Audio] "Slab jacking, also known as pressure injection of grouts, is a relatively simple and cost-effective technique used to lift, raise, and stabilize concrete pavement floors and other slab-on-grade surfaces. The fiber wrap technique is one of the non-structural strengthening techniques used to increase the load-carrying capacity of reinforced concrete members. This technique is applied without causing any destruction or distress to the existing concrete structure, allowing for improved shear, flexural, and compressive strength as well as increased ductility..

[Audio] Slab jacking is a repair technique for concrete slabs, used for highway maintenance, expansion joint repair, and addressing settlements. The process involves injecting a bonding matrix, usually in the form of grout, into the slab in order to reinforce and lift it. Dowels are then inserted into holes drilled perpendicular to the cracked surface, with the entire length of the dowel fixed to the concrete using the bonding matrix. When necessary, the structure may require shoring and jacking in order to reduce the dead load stresses. Different bonding materials, including portland cement grouts, epoxies, and chemical adhesives, can be employed for this purpose..

[Audio] Slab jacking is a technique to lift, raise, or stabilise faulty concrete surfaces through pressure injection of grouts, along with reinforcements like steel reinforcing bars, stainless steel rods and bolts. For shear transfer between adjoining sections of pavements, slots are cut into the top to mid depth of these sections, and dowels become bonded in one section and unbonded in the other through a sleeve or debonding agent..

[Audio] Slab jacking is a modern technique used to repair concrete surfaces which have sunk or settled due to faulty construction, inadequate drainage, or other problems. This process involves injecting a grout mixture into the voids below the slab. It can be used to lift, raise, or stabilize affected slabs. Slab jacking is particularly useful in areas prone to rain water leakage from the terrace, such as when there are open tile joints, inadequate tile slopes, or poor construction practices. Through addressing the depression, slab jacking can help to prevent water stagnation and further deterioration of the structure..

[Audio] Slab jacking is a technique used in construction and engineering for raising, leveling or stabilizing concrete slabs. It works by injecting grout material under the slab, which lifts or stabilizes it. Damp Proof Course (DPC) is a material used to protect foundations, basements, flat roofs, parapets, flooring and pitched roofs from water infiltration, and is seen in a variety of applications in this slide..

DPC for Foundation.

DPC for Foundation.

DPC for basement.

DPC for parapet.

DPC for pitched roof.

[Audio] Slab jacking is a method of pressure injection of grouts to lift, raise or stabilize concrete pavement floors and other slab on grade surfaces, which can be used for highway maintenance, repair of expansion joints and settlement damage repairs. Termites are a major issue in tropical and subtropical regions, destroying wood and other materials made of cellulose, as well as those of other materials such as plastic and leather. To safeguard buildings from termites, there are two treatments available - pre-construction and post-construction treatments, both of which are effective in avoiding damage by termites..

[Audio] Slab jacking is a technique used for lifting, raising, or stabilizing faulty concrete pavement floors and other slab on grade surfaces. It works by pressure injecting grouts that are tailored to the characteristics of the slab. This means that the structural integrity of the slab can be restored without the labor and cost of tearing it out and replacing it. The treatment process of the building can be broken down into three operations: site preparation, soil treatment, and structural barriers. This method of slab jacking can restore the slab's structural integrity without causing major disruption..

[Audio] Slab jacking is a technique to raise, raise, or secure concrete surfaces, by injecting a grout material into the slab. This process can be employed in post-development maintenance treatments for termite infestations. A review must be completed to evaluate the scope of the attack, locate access points into the building, and spot any refuge tubes. The tubes can be obliterated with anti-termite emulsion, and 12 millimeter diameters holes can be drilled at a 45 degree angle downward on both sides of the walls near the plinth level, before the chemical emulsion is injected under pressure and sealed..

[Audio] Slab jacking is a technique of injecting grouts under pressure in order to lift, raise, or stabilize faulty concrete pavement floors and other slab on grade surfaces. This has applications in highway maintenance as well as repair of contraction joints and settlement damage in concrete slabs. Fungus decay of timber is another problem that can affect buildings. Dry rot and wet rot are two forms of fungus that can cause damage to wooden items such as doors, windows, furniture, flooring, and roofs. The right solutions should be applied to manage slab jacking and fungus decay to make sure that buildings remain safe and secure..