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Reinforcement & Correction Engineering System
Strengthening refers to measures such as reinforcing, partially replacing, or adjusting the internal forces of load-bearing structures, components, and related parts of buildings with insufficient reliability or where the owner requires improved reliability, to ensure they meet the safety, durability, and suitability requirements of current design codes and the owner.
This system encompasses various mature strengthening technologies, including cross-section enlargement, carbon fiber reinforcement, steel plate bonding reinforcement, steel cladding reinforcement, pressure grouting reinforcement, rebar anchoring reinforcement, and chemical anchor steel pipe reinforcement, applicable to reliability improvement and structural correction of various existing buildings.
Enlarged Section Scheme of Building Structure
| Product Name | Spec Model | Recommended Dosage | Mix Ratio | Packaging Spec |
| High Strength Non-Shrink Grouting Material | JTB-40 | 2.2-2.4 ton/m³ | 12-14% | 25kg/50kg/bag |
| JTB-60 | 2.2-2.4 ton/m³ | 12-14% | 25kg/50kg/bag | |
| JTB-60 | 2.2-2.4 ton/m³ | 12-14% | 25kg/bag | |
| Pebble Type Grouting Material | JTB-D60 | 2.2-2.3 ton/m³ | 12-14% | 50kg/bag |
Application:
Used for grouting of equipment foundations such as machine bases and anchor bolts, reinforcement, emergency repair and strengthening of beams, slabs, columns, foundations, floors and roads of buildings, as well as secondary grouting for fixed connection between steel structures (steel rails, steel frames, steel columns, etc.) and foundations. When the grouting thickness > 10cm, it is recommended to use D60 pebble type grouting material.
Features：
Early strength, high strength, micro expansion, self-leveling, self-compacting, crack resistance, segregation resistance, strong durability, etc.
Strengthening Scheme of Building Structure with Carbon Fiber Sheet
| Product Name | Spec Model | Recommended Dosage | Mix Ratio | Packaging Spec |
| Carbon Fiber Impregnating Adhesive | JTB-506 | - | 3:01 | 15kg barrel + 5kg barrel |
| Carbon Fiber Fabric | JTB-TA Grade I | 10cm-50cm | / | Grade I 300g/200g |
| JTB-TA Grade II | 10cm-50cm | / | Grade II 300g/200g |
Application:
Used for impregnating and pasting carbon fiber fabric, glass fiber, basalt and other materials on the surface of reinforced components. It is used for the renovation, transformation and reinforcement of buildings under harsh service environments such as increased service load, changed engineering service function, material aging, and concrete strength lower than the design standard.
Features：
Excellent wettability and permeability, good viscosity and strong bonding force. Wide applicable temperature range, good aging resistance and excellent seismic performance.
Technical Scheme for Crack Grouting Reinforcement of Building Structure
| Product Name | Spec Model | Recommended Dosage | Mix Ratio | Packaging Spec |
| Epoxy Resin Crack Sealing Adhesive | JTB-505 | 100-200g/m | 3:01 | 15kg barrel + 5kg barrel |
| Epoxy Resin Grouting Adhesive | JTB-501 | 200-300g/m | 3:01 | 15kg barrel + 5kg barrel |
| Glue Injector | / | / | / | 10 pcs/pack |
| Base + Plug | / | 6-8 pcs/m | / | 50 sets/pack |
Application:
Applied to grouting repair of cracks on new and old concrete base surfaces, internal defects (1.0-1.5mm), honeycombs and cavities in emery floor and terrazzo floor.
Features：
Low viscosity, strong permeability, good aging resistance and medium resistance. Excellent toughness and impact resistance. Long operable time, green and environmentally friendly.
Technical Scheme of Steel Bonding and Bar Planting for Building Structure
| Product Name | Spec Model | Recommended Dosage | Mix Ratio | Packaging Spec |
| Epoxy Resin Steel Bonding Adhesive | JTB-503 | 5-7kg/m² | 3:01 | 15kg barrel + 5kg barrel |
| Epoxy Resin Bar Planting Adhesive | JTB-507A | Subject to bar diameter and embedding depth | 3:01 | 15kg barrel + 5kg barrel |
| Injectable Bar Planting Adhesive | JTB-507 | Subject to bar diameter and embedding depth | 3:01 | 30 pcs/box |
Application:
Used for embedding steel bars, bolts and screws in various building structures. It is suitable for bar planting in building structure reinforcement, foundation fixing of special equipment, and reinforcement of reconstruction and expansion projects of railways, highways and bridges.
Features：
Fast solidification, no expansion stress, good seismic performance, convenient use, excellent aging resistance and medium (acid, alkali, water) resistance.
New and Old Concrete Interface Treatment Scheme
| Product Name | Spec Model | Recommended Dosage | Mix Ratio | Packaging Spec |
| Concrete Interface Agent | JTB-302 | 0.2-0.3kg/m² | 3:01 | 15kg barrel + 5kg barrel |
| Concrete Interface Agent | JTB-303 | 0.2-0.3kg/m² | / | 20kg/barrel |
| Concrete Interface Agent | JTB-305 | 0.3-0.5kg/m² | / | 25kg/bag |
Application:
Used for interface pretreatment of base layers such as reinforcement foundation, concrete, lightweight partition walls, brick-concrete walls, putty scraping, tile bonding, brick and stone back coating and thermal insulation boards.
Features：
High bonding strength, strong crack resistance and excellent adhesion.
Reinforcement Scheme of Prestressed Carbon Fiber Plate
| Product Name | Spec Model | Recommended Dosage | Mix Ratio | Packaging Spec |
| Prestressed Carbon Fiber Plate | JTB-A1 | / | / |
High Strength Grade I Thickness: 1.2mm/1.4mm/2.0mm/3.0mm Width: 5cm/10cm |
| Prestressed Carbon Fiber Adhesive | JTB-508 | 0.2-0.3kg/m² | 3:01 | 15kg barrel + 5kg barrel |
| Anchorage for Prestressed Carbon Fiber Plate | / | / | / | / |
Application:
Used for crack control reinforcement of reinforced concrete bridges; flexural reinforcement of slab beams, box girders and T-beams of reinforced concrete bridges; flexural reinforcement and crack control reinforcement of long-span structural beams and slabs in civil buildings, industrial workshops and other buildings; reinforcement of long-span reinforced concrete bridges to improve bearing capacity, widely used in prestressed or non-prestressed bridge structures.
Features：
The biggest advantage of prestressed carbon fiber plate is active reinforcement, and it hardly increases its own weight and can be reinforced without unloading. It can reduce structural deformation, effectively improve structural bearing capacity, and give full play to the tensile strength of carbon fiber.
Technical Scheme of Polymer Mortar Reinforcement
| Product Name | Spec Model | Recommended Dosage | Mix Ratio | Packaging Spec |
| High Strength Polymer Cement Mortar | JTB-50 | 1.6-1.8 ton/m³ | 15-16% | 25kg |
| Polymer Modified Epoxy Mortar | JTB-60 | 1.8-2.0 ton/m³ | 5:01 | 25kg/bag + 20kg/barrel |
| Polymer Waterborne Epoxy Mortar | JTB-55 | 2.2-2.4 ton/m³ | 3:01:20 | 25kg/bag + 15kg/barrel + 5kg/barrel |
| Oil-based Epoxy Mortar | JTB-90 | 2.2-2.4 ton/m³ | 3:01:21 | 25kg/bag + 15kg/barrel + 5kg/barrel |
Application:
Used for reinforcement of steel wire mesh with polymer cement mortar, sewage treatment tanks, acid and alkali resistant floors, FRP anti-corrosion and other chemical anti-corrosion industries. It can be used as an anti-corrosion material in corrosive environments such as seawater, saline-alkali areas and chemical plants. It is suitable for sealing and anti-corrosion of joints of underground pipelines, hydropower stations, dam foundations, etc. It is also suitable for defect treatment of cracks in beams, columns, pile caps of buildings, as well as honeycombs, holes and exposed reinforcement on the surface of concrete structures.
Features：
It has better mechanical properties such as compressive strength and bonding performance than cement-based materials, and can withstand long-term contact corrosion by chemicals such as acids, alkalis, salts and oils.
Technical Scheme of Strengthening Carbon Fiber Grid
| Product Name | Spec Model | Recommended Dosage | Mix Ratio | Packaging Spec |
| Carbon Fiber Grid Grille | TB-09 | / | / | Grid spacing 2×2cm |
| Basalt Fiber Grid Grille | TB-07 | / | / | Grid spacing 2×2cm |
| High-strength Polymer Repair Mortar | JTB-50 | 1.6-1.8 ton/m³ | 15-16% | 25kg/bag |
Application:
It is used for general reinforcement and repair of bridges, tunnels, water conservancy projects, civil buildings and other projects.
Features：
It has high compressive and tensile strength, good viscosity and strong bonding force. It has a wide applicable temperature range, good aging resistance and excellent seismic performance.
Technical Scheme of Foundation Grouting Reinforcement
| Product Name | Spec Model | Recommended Dosage | Mix Ratio | Packaging Spec |
| Geopolymer Grout | JTB-K60 | 1.3-1.5 ton/m³ | 28-30% | 40kg/bag |
| Sodium Silicate Two-component Grouting Material | JTB-S9 | 0.1-0.2 ton/m³ | / | 25kg/bag |
Application:
1. Reinforcement grouting for foundation settlement of highways and bridges
2. Radical treatment and prevention of water leakage and seepage in tunnels and pipelines
Features：
1. Good fluidity, high strength, micro-expansion, convenient construction, fast setting time, high compressive strength and strong bonding ability
2. Excellent waterproof performance, coagulates when encountering water, fast curing time
Preparation Scheme of High Performance Concrete
| Product Name | Spec Model | Recommended Dosage | Mix Ratio | Packaging Spec |
| Concrete Element | JTB22 | 25kg/ton | / | 25kg/bag |
| Concrete Element | JTB23 | 25kg/ton | / | 25kg/bag |
| Concrete Element | UHPC | 17% | / | 25kg/bag |
Application:
On-site preparation of CGM high-strength non-shrinkage grouting material, preparation of JTB high-strength polymer mortar, preparation of UHPC high-performance concrete.
Remark：
Select the corresponding Concrete Element series according to the different requirements of the product
Jintongbao group is a one-stop structural strengthening system service and solution provider with more than 20 years of industry experience.
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