When the bridge completed and delivered, due to various reasons really a bridge maintenance is not timely, thorough, conservation technology emperor, especially for steel truss bridge abutment parts of conservation is inadequate attention, after years of steel grid support The examination can be found using the seat of consciousness bearing itself is damaged, the majority of bridges using early Felt like the outside has been replaced, and laminated rubber bearing steel grid appear rubber aging, deterioration, loss of freedom so that the beam expansion capability, a direct result of beam end or pier caps, concrete rupture, causing off angle, gnawing edge phenomenon, steel truss bearing plate displacement will cause serious damage to the deck telescopic device, steel truss seat fixing system loosening, dislocation cylinder pots exposed parts rust GKQZ seismic activity type unidirectional ball bearing, dust cap rupture. Second, steel truss bearing plate damage tilt fracture, crushed stone concrete support cushions stripped off angle and other diseases. The main cause of damage to the bridge is roughly, one bearing steel grid itself substandard quality, low-intensity, lack of capacity, but in terms of design, bridge bearing selection form, layout unreasonable, bearing edge set aside enough width, steel truss support cushion stone concrete strength is low or insufficient support cushion stone to strengthen steel, fixing bolts. Nuts strong enough, etc. Third, the construction aspect, in terms of installation and construction support cushion stone, beams or pad the bottom surface is not flat stone roof surface is not level, the mortar filling is not dense, inner pad stone embedded steel is not strong two-way sliding seismic steel GKQZ ball bearing, bearing with steel grid connection is not strong earthquake ball bearing, steel bearing corrosion, rust treatment quality is not high. Select steel truss bearing coating materials, coating protection should be used in good engineering practice proved through performance products, steel truss bearing selection of new paint, should be confirmed through tests proved excellent performance and meet design requirements. All the same paint factory production coating applications bearing steel grid constitutes a coating system for coating different manufacturers supporting the use of unidirectional sliding seismic GKQZ type ball bearings, steel truss supports shall be by supporting tests to prove their performance to meet the requirements. Steel truss bearing paint coatings manufacturers to provide compliance certification, specification and verification data. Multi-component coating should provide components after mixing ratio and mix instructions. Bridges common classification of anti-corrosion coatings, bridge corrosion protection coatings were already more than 100 years of history, bearing steel grid constant through timely development and practical application of the bridge, the bridge is now a series of special coatings. The special surface corrosion paint brush, steel truss bearing is still the main means of corrosion of steel components. Anticorrosive paint primer divided by protection department, is still the steel members live yo Aung preservative means. Corrosion protection paint according to Division into primer, paint and finish middle layers in particular, has its characteristics. Each is responsible, grassroots combined to form complex coating. Improve corrosion performance, long life, bearing steel truss bearing film by coating material and a protective role for classification. GKQZ two-way active seismic grid ball bearings _ _ special bearing steel ball bearings provided by seismic HaoTong Engineering Rubber Co., Ltd. Hengshui. Hengshui HaoTong Engineering Rubber Co., Ltd. (www.htgcxj.com) in the field of construction materials at the site devoted boundless enthusiasm and passion, Hao-engineering rubber has been customer-centric, the concept of creating value for customers, quality, service to win the market, and sincerely hope to cooperate with the community to create a successful, create brilliant. Related businesses welcomed the inquiry, Contact: Liu.