Bridge Expansion Joints By Zaoqiang Dacheng Rubber Co., Ltd.

Our range of Bridge Expansion Joints are adapted to the construction of roads and bridges in China a new type of bridge expansion joint devices. Bridge Expansion Joints using the whole hot-rolled special steel 16Mn, overcome the special steel extrusion line and uneven collection of size characteristics, GQF-C-type bridge expansion joint integrated technical performance and technical indicators are at or better than similar products in the advanced level and special-shaped steel structure is an internal initiative rolling, traffic will become a recommended industry standard products
Technical requirements:
1. Neoprene rubber used (ie, CR, applied to the temperature of -25 - +60 ) or the use of natural rubber (that is, NR, applied to the temperature of -40 - +60 region)
2. Telescopic device used in steel, the quality requirements in line with the GB012, GB374 provisions, the use of special steel, (that is, 16MN or Q345) in line with the provisions of JT/T1591.