Henan pilot grouting material used in the bridge expansion joint repair

Mortar grouting material expansion joint expansion joint of the new material is made of cement base cement, gradation artificial quartz sand base makings, a variety of mineral and chemical add seam an agent made from materials such as dry mixing of materials, water to mix proportion can be used in accordance with the regulations. The new material has a short construction time, construction of good quality, high early strength, post strength stability, wear-resisting durable, operation is simple, the manager reasonable characteristics. For highway maintenance, using this product for cement grouting material you just need to 24 hours or less open to traffic, curing period from 7 days shortened to 1 day now, maximum limit reduces the construction time and traffic control, and reduce the closed the security hidden danger of traffic, improved the curing time and safety. Next, management office will take on all fronts to promote the technology, in 2015 to meet the inspection work.