NEHRP Clearinghouse
- Title
- Teflon Bearings in Aseismic Base Isolation: Experimental Studies and Mathematical Modeling.
- File
- PB89218457.pdf
- Author(s)
- Mokha, A.; Constantinou, M. C.; Reinhorn, A. M.
- Source
- National Science Foundation, Washington, DC.; Watson Bowman Acme Corp., Buffalo, NY., December 5, 1988, 201 p.
- Identifying Number(s)
- NCEER-88-0038
- Abstract
- The report describes the frictional properties of Teflon-steel interfaces in relation to their application in sliding bearings for base isolated building and bridge structures. A number of laboratory tests have been conducted to determine the effect of sliding velocity, sliding acceleration, bearing pressure, type of Teflon and surface finish on the frictional characteristics of sliding bearings. Aspects of mathematical modeling and application of results in the analysis of sliding isolation systems are considered.
- Keywords
- Bridges; Earthquake resistant structures; Steel structures; Tetrafluoroethylene resins; Mathematical models; Graphs (Charts); Buildings; Earthquake engineering; Bearing properties; Antifriction bearings; Friction factor; Compressive strength