Bearing steel grid corrosion of the components are the main reason, anti-corrosion and water leakage and produce bad flooding, causing severe rust. Cleaning is not timely, adequate, there dust deposition. Anchor bolts cut, pull out the main reasons are as follows, bearing steel grid is set incorrectly, the range of movement of steel truss bearing prolapse. Less than double the number of Romanian and buying length. Bear no negative bearing reaction force set up fixtures. Mortar filled not dense. Base fill empty mortar, cracks, filling mortar base empty, mainly cracks; no shrinkage mortar filling agent is not dense mix well, good waterproofing and drainage, water immersion internal cracking. Crushed concrete base, peel, crushed concrete and steel truss bearing the main reason for stripping edge distance and lack of seat base Jiaqing steel, steel grid inadequate support and seat cushion stone base size. Mortar filled not dense. Floor junction cracking or breaking the main reason for the cable damping bearings, bearing steel grid floor junction fatigue crack or fracture in the long-term effects of heavy traffic loads. Bolt deformation or fracture. Soil liquefaction caused by the earthquake, so that the foundation bearing capacity decrease, in the foundation is sinking, sinking further locomotive subsidence caused by bridge titanium, steel truss bridge abutment causing Zhenhai, steel truss bearing this situation more and capacity do not appear very high yarn clay, clayey sand and other foundation, steel grid bearing some cases the earthquake damaged the bridge on highway infrastructure. Liquefied shear strength of the foundation also makes it significantly reduced, leading to the bridge foundation and piers under pressure and earthquakes Pure pressure liquefied layer along the horizontal sliding or rotating, earthquake, steel truss bridge bearing basis depending on the surrounding ground bridge collapse caused some damage is inevitable, and the foundation of the kind of damage is usually the most likely to occur in saturated loose sand, steel truss bearing layers of soft clay and sand powder surface tilt occasion presents isolated minus isolators, or filling of the situation. As shown above buffer damping bearings, bearing steel grid portions of the bridge during an earthquake are likely to be destroyed, while the bridge due to the interaction of each part, when subjected to a large earthquake damping bearings, often overall style bridges destroyed, so consider the whole bridge seismic performance is very important. Spring damping bearings | Changzhou damping bearings | bearing manufacturers to provide high quality damping HaoTong 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!