Bridge expansion joints bridge expansion joints, is a 1993 combined with our transportation industry standards "highway bridge rubber expansion device" developed modulus telescopic device products. The product has completed expansion volume 80 ~ 2000mm range series design, bridge expansion joints for the use of various types of new bridges, but also for the telescopic device to replace the old bridge into the selection. The product is the use of chain-link mechanism connecting joints sfp80, bridge expansion joints with good uniformity, and won in 1999 the Ministry of Communications Science and Technology Progress Award, detailed relevant GQF-MZL type telescopic device description, see Hengshui Hao-product manual. Its reserve tank and locate the typical cross-section of the joist reserved slots as shown in Figure 5-16 and Figure 5-17, the corresponding series of design parameters and specifications listed in Table 5-6. Swiss soil 马格巴 (Mageba) telescopic device bridge expansion joints for the past 20 years the usual form. As a well-designed telescopic device such alternative products, bridge expansion joints that strip section (bird-shaped rubber band) mode expansion joints, improvement and development of technology. Its reserved slot (Figure 5-21) and the corresponding series of technical design parameters and specifications listed in Table 5-9. Whether ribbon and box-section telescopic device, the same as the overall cross-sectional dimensions. They all have the same basic structure zf80 joints, and according to standard ST52-3 welded components manufacturing. A basic support system is the successful application of bridge expansion joints 20 years Mageba principle f60 joints that each rigid steel beams welded to its corresponding joists (beams), this can be for all units and joists telescopic device provided laterally supporting force, bridge expansion joints and through elastic friction bearing preload force to prevent tilting. Preloading the same time to strengthen the torsion elastic contact point for all the support and each unit. ssfb80 joints _ Ningxia joints _13833855982 HaoTong provided by Hengshui Rubber Company. Hengshui Hao-Engineering Rubber Co. (www.htgcxj.com) strong, credible, Hebei Hengshui site construction materials industry has accumulated a large number of loyal customers. The company better work attitude and continuous improvement through innovative ideas will lead Hao engineered rubber and you hand in hand into the brilliant, for a better future!