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A mathematical model of the factional behavior of Teflon sliding bearings for conditions of interest in base isolation is developed. The calibration of the model is based on extensive experimental… (More)
This paper describes the frictional properties of sheet type Teflon-steel interfaces in relation to their application in sliding bearings for base-isolated building and bridge structures. A series of… (More)
A sliding isolation system consisting of Teflon disc bearings and helical steel springs is described. The springs carry no vertical load and provide bilinear restoring force without hysteresis when… (More)
A linear multistorey structure with a seismic base isolation system consisting of rubber bearings and frictional elements is considered. The non-linear equations of motion are derived for the first… (More)
Further results on the frictional properties of Teflon-steel interfaces in sliding bearings are reported. Values of the breakaway (static) and sliding coefficients of friction of woven Teflon in… (More)
The sliding behaviour of a rigid mass supported on a randomly vibrating foundation through a non-symmetric Coulomb-friction contact is studied both analytically and by numerical simulation. The… (More)