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an apparatus of connecting upper structure for bridge which can unify distance between rails
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Pot Bearing for Monitoring of Bridge
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A elastomeric bearing which is connected movement restriction device by plate spring
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Pot Bearing Using Friction Damping Mechanism for Base Isolation System
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The temporary fixing device &method of L.R.B(Lead Rubber Bearing) in I.L.M(Incremental Launching method) bridge
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Shear strain control device for lrb(lead rubber bearing) compensating thermal movement of super structure for bridge
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The tunned mass damper for the ship diesel engine
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Filling material of open trench for protecting propagation of ground vibration using composite materials consisted of soft and hard materials
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Exciter for test for large structure moving characteristic by using beating
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Excitor for examining large-size structure moving property using resonator and damper
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