High-Strength Non-Shrink Bearing Grout

Grouting

This product is a high-performance, non-shrinkage cement-based composite material specially developed for grouting installation of bridge bearings, mechanical bases, steel structural supports and other equipment. It is industrially produced through precise proportioning and mixing, adopting premium high-strength cement, well-graded selected aggregates, multiple high-performance admixtures and mineral additives. Featuring outstanding flowability, high early strength, ultra-high ultimate strength, zero shrinkage, micro-expansion and superior durability, the product ensures uniform and effective load transfer to the foundation, satisfying installation requirements under various harsh working conditions.

Simply mix with water at the specified ratio before use. Easy construction with excellent performance for demanding applications.

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Application Scope

Highway & Railway Bridges: Grouting for all types of pot bearings, plate bearings and spherical bearings.
Building Structures: Grouting for steel column bases and connections of precast concrete components.
Mechanical Equipment: Anchoring and grouting for heavy equipment bases, wind power foundations and anchor bolts of precision machine tools.
Other Works: Track foundations, bedding courses for temporary supports of precast girders, and other scenarios requiring high-strength non-shrink grout.

Technical Formula

Raw Material	Dosage
Sulfoaluminate Cement	400 kg
Ordinary Portland Cement (OPC)	50 kg
Silica Fume	50 kg
40–70 Mesh Quartz Sand	500 kg
Superplasticizer	2.8 kg
Defoamer	0.5 kg
Tartaric Acid	0.5 kg
Lithium Carbonate	0.5 kg
Stabilizer	1 kg
Shrinkage-Compensating Expansive Agent	0.3 kg
Clean Water	130 kg

Bearing Grout