High-Speed Rail Track Engineering System

Technical Scheme for Concrete Coating and Repair

Product Name	Spec Model	Recommended Dosage	Mix Ratio	Packaging Spec
Concrete Anti-carbonization Coating	JTB-906	0.2-0.3kg/m³	3:01	15kg/barrel + 5kg/barrel
Color Difference Repair Anti-carbonization Coating	JTB-907	0.2-0.3kg/m³	3:01	15kg/barrel + 5kg/barrel

Application:

1. Exposed coating and anti-corrosion of industrial and municipal buildings such as dams, bridges, high-speed rail piers and bridge bodies of reinforced concrete structures.

2. Decoration and protection of the appearance of concrete buildings such as urban landscape buildings, bridges, tunnels and dikes, covering defects and cracks.

Features：

1. Excellent covering performance, protective performance, water-based and environmental friendly, no peeling, no fading, and improved durability

2. Harmless, one-way breathable, high bonding performance, with functions of sealing, penetration, waterproofing, acid and alkali corrosion resistance, etc.

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Underwater Grouting and Special Emergency Reinforcement Technical Proposal

Product Name	Spec Model	Recommended Dosage	Mix Ratio	Packaging Spec
Underwater Anti-dispersion Grouting Material	CGM-290B	2.2-2.3 ton/m³	3:01	25kg/bag
Oil-based Epoxy Resin Grouting Material	JTB-606	1.8-2.0 ton/m³	3:01:16	25kg/bag + 15kg/barrel + 5kg/barrel

Application:

1. For various underwater cast concrete projects, it can be used for caisson bottom sealing, cofferdam, caisson, riprap grouting, underwater diaphragm wall casting, leveling and filling of underwater foundations, large-area underwater construction joint-free projects such as RC slabs, large-diameter cast-in-place piles, wharves, dams, reservoir repair, drainage outlet waterproof impact reinforcement bottom slab, underwater bearing platform, seawall revetment, slope protection, pile sealing and leakage stopping, as well as underwater projects that are difficult to construct with ordinary concrete.

2. It is suitable for grouting in equipment foundation areas susceptible to chemical erosion, grouting in high-pressure areas such as track foundations and bridge supports, anchor bolt and steel bar planting, concrete reinforcement of building structures, and rigid connection of iron tie rods and pull rods.

Features：

1. Anti-dispersion, high fluidity, self-leveling, self-compacting.

2. Corrosion resistance, ultra-high strength, high early strength.

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Strengthening and Anti-corrosion Technical Scheme of Building Structure

Product Name	Spec Model	Recommended Dosage	Mix Ratio	Packaging Spec
Acrylic Latex Mortar	JTB-602	1.6-1.8 ton /m³	5:01	25kg/bag powder + 20kg/barrel emulsion
Cationic Neoprene Latex Mortar	JTB-605	1.6-1.8 ton /m³	5:01	25kg/bag powder + 20kg/barrel emulsion

Application:
It is suitable for anti-seepage, anti-corrosion protection and repair projects of marine, sluice, waterfall, port engineering, highway, bridge, metallurgy, chemical industry, industrial floor, steel structure and reinforced concrete structure.

Features:
It has strong weather resistance, durability, anti-seepage performance, compactness, very high bonding force and excellent waterproof and anti-corrosion effect. It can resist the corrosion of soda ash production medium, urea, ammonium nitrate, seawater and acid-base salts.

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Technical Scheme of Concrete Crack Repair

Product Name	Spec Model	Recommended Dosage	Mix Ratio	Packaging Spec
Concrete Crack Traceless Repair Agent	JTB-4000	50-100g/m	/	20kg/50kg/barrel
Epoxy Resin Crack Pouring Adhesive	JTB-505	100-200g/m	3:01	15kg barrel + 5kg barrel

Application:
Used for repairing cracks and honeycombs in ballastless track concrete, as well as crack repair of tunnels and segments.

Features:
Low viscosity, strong permeability, good aging resistance and medium resistance. Excellent toughness and impact resistance. Long operable time, green and environmental friendly.

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Waterproofing and Anticorrosion Technology Scheme for Underground Engineering

Product Name	Spec Model	Recommended Dosage	Mix Ratio	Packaging Spec
Cement-based Penetrating Crystalline Waterproof Coating	JTB-905	1kg/m²	One-component/Two-component	20kg/barrel
				20kg+12.5kg/set
Eco-friendly Polymer Cement Slurry	JTB-903	1kg/m²	2:01	20kg+12.5kg/set

Application:
Used for concrete reinforcement of building structures, waterproofing and leakage stopping of civil air defense facilities; anti-seepage treatment of reservoir dams and ports; chemical corrosion resistant buildings such as anti-corrosion pipeline hot water tanks, landfills, chemical warehouses and chemical tanks.

Features:
Excellent waterproof and anti-seepage effect, high bonding strength and strong corrosion resistance. Good high humidity resistance, aging resistance and frost resistance. It meets the environmental protection requirements.

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Technical Scheme of Bridge Prestressed Grouting

Product Name	Spec Model	Recommended Dosage	Mix Ratio	Packaging Spec
Prestressed Duct Grouting Material	JTB-K60	1.3-1.5 ton /m³	28-30%	40kg/bag
Prestressed Duct Grouting Agent	Concrete elements J07	20-30kg/m³	/	25kg/bag

Application:
Used for post-tensioned beam prestressed duct filling grouting, anchorage grouting of ground anchor system, continuous wall head leakage stopping grouting, curtain grouting, equipment foundation grouting, beam-column joint, emergency repair and bolt anchoring, pore grouting of high-strength steel prestressed concrete components, and road and bridge reinforcement.

Features:
Good fluidity, high strength, no bleeding, no delamination, and good durability.

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Technical Proposal for Rail Replacement and Repair

Product Name	Spec Model	Recommended Dosage	Mix Ratio	Packaging Spec
Rail Cement Mortar	JTB-60	2.0-2.2  ton/m³	12-14%	25kg/50kg/bag
Special Repair Material for Bridge Expansion Joints	JTB-80	2.2-2.3  ton/m³	11-12%	25kg/bag

Application:
Used for grouting of crane track grooves in ports and wharves, track pressure plate grouting, bolt fixing, and installation grouting of various mechanical equipment; used for rapid repair of damaged pavement concrete in airport runways, highway pavements, expressway and high-speed railway bridge decks, bridge expansion joints, municipal roads, etc.

Features:
It has the functions of rapid early strength, high strength, crack resistance, compression resistance and earthquake resistance, and can be constructed without closure and opened to traffic quickly within 2 hours.

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Technical Scheme of Epoxy Mortar Repair

Product Name	Spec Model	Recommended Dosage	Mix Ratio	Packaging Spec
Epoxy Resin Repair Mortar	JTB-90	1.6-1.8 ton/m³	3:01:21	25kg/bag + 15kg/barrel + 5kg/barrel
Self-compacting Fine Aggregate Concrete	JTB-60	2.0-2.2 ton/m³	12-14%	25kg/50kg/bag

Application:
Suitable for sealing and anti-corrosion of joints of underground pipelines, hydropower stations, dam foundations, etc. Used for defect treatment of concrete cracks in water canals and dikes, 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.

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