Bearing grouting materials dedicated to passenger railway bridge bearing steel cylinder

Bearing grouting support grouting material is a kind of high-performance modified cement grouting material, USES a variety of organic and inorganic add beauty seam an agent, has high strength, no shrinkage, durable performance is good wait for a characteristic. The product has good performance of construction, to their leveling, its super early strength function, three hours can reach more than 25 mpa compressive strength, and the finished surface smooth level off, overcomes the traditional mortar is not smooth, easy to crack produced by powder shortcomings, such as peeling, is specially designed for passenger dedicated line bridge bearing steel cylinder is gravity grouting and developed, its performance is completely satisfy the passenger railway bridge steel cylinder bearing interim technical conditions 'requirement. Passenger dedicated line bridge steel cylinder bearing special bearing grouting material product features: 1, with expansion function: in accordance with technical requirements to ensure that the slurry and the strong bond of grouting place, make the load function effectively passed to the base. 2, high flow performance: is there a greater fluidity, but in the case of without external force any part of the grouting flow requirements. 3, good workability, good cohesive force, stratification segregation and no bleeding. 4, super early strength: more than 3 hours the compressive strength of 25 mpa. 5, high strength, 28 days compressive strength of 80 mpa, or high in the late strength and fail. 6, low construction: negative temperature under low temperature and negative temperature strength still have larger growth, effectively solves the problem such as winter construction. 7, durable performance is good: fatigue test 2 million times, 50 times freeze-thaw cycling test, no obvious change in intensity; Impermeability, frost resistance, corrosion resistance are all in good performance. 8, do not contain chloride, effect on equipment, steel without any rust. 9, easy to use: finished products for dry mixing mortar, the site after adding water can be used in accordance with the regulations.