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Technical requirements of bridge expansion joint

author: Jianfeng Engineering from: ԭ date: 2017/7/17 18:00:00 hit: 8575
Tips: Technical requirements of bridge expansion joint:1 the use of rubber (CR, -25, suitable for temperat...

Technical requirements of bridge expansion joint:

1 the use of rubber (CR, -25, suitable for temperature in -+60 c c c c c c c c c c c c c c c c c) or the use of natural rubber (i.e. NR, suitable for temperature at -40 C -+60 C)

2 steel plate used in the expansion device, quality requirements in line with the provisions of GB374, GB012, the use of profiled steel, (that is, 16MN or Q345) in line with the provisions of JT/T1591.

GQF-C type bridge telescopic device

Type GQF-C bridge expansion device is adapted to a new type of bridge expansion joint of highway bridge construction in our country. The GQF-C device type bridge expansion device adopts whole hot rolled 16Mn shaped steel, overcome the extrusion special-shaped steel straightness and set size uneven, GQF-C type bridge expansion device comprehensive technical performance and technical indicators have reached or exceeded the international advanced level of similar products, structure and special-shaped steel rolling are the first domestic transportation industry will become the standard recommended products.


  

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