Page 14 of Introduction of Materials and Products for Applications by NTN Corporation Japan

introduction of materials and products for applications 4-15 sliding materials for bridges and anti-earthquake structures a bridge repeatedly expands and contracts due to daily and seasonal temperature changes one side of the bridge bearings smoothly slides with the bridge to relieve the generated stress on the bridge an anti-earthquake device has a mechanism to reduce an earthquake s power by sliding the building according to the earthquake s intensity as one means to slide the building sliding materials are utilized for these bridges and antiearthquake devices bearee fl3020 is used which is excellent for big loads with low friction and resistant to the climate changes table 15 materials and characteristics material name bearee fl 3020 base resin ptfe characteristics · low friction coefficient under the high surface pressure · superior durability in many environmental conditions base steep plate for adjustment elastic sliding bearing underground beam horizontal spring concrete shoe sliding plate bolts for non-shrink level adjustment mortar filling direct foundation presented by taisei kensetsu co ltd expansion and contraction sliding pads bearee fl3020 bridge bearing section rubber bearee fl3020 sliding plate fig.16 sliding pad for bridge bearings fig.17 anti-earthquake device with the elastic sliding bearing presented by tokyo fabric industry co ltd 35

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