Mechanics of Rubber Bearings for Seismic and Vibration Isolation

James M. Kelly 지음

Wiley 2011년 08월 24일 출간

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Widely used in civil, mechanical and automotive engineer#173;ing since the early 1980s, multilayer rubber bearings have been used as seismic isolation devices for buildings in highly seismic areas in many countries. Their appeal in these applications comes from their ability to provide a component with high stiffness in one direction with high flexibility in one or more orthogonal directions. This combination of vertical stiffness with horizontal flexibility, achieved by reinforcing the rubber by thin steel shims perpendicular to the vertical load, enables them to be used as seismic and vibra#173;tion isolators for machinery, buildings and bridges.Mechanics of Rubber Bearings for Seismic and Vibration Isolation collates the most important information on the mechanics of multilayer rubber bearings. It explores a unique and comprehensive combination of relevant topics, covering all prerequisite fundamental theory and providing a number of closed-form solutions to various boundary value problems as well as a comprehensive historical overview on the use of isolation.Many of the results presented in the book are new and are essential for a proper understanding of the behavior of these bearings and for the design and analysis of vibration or seismic isolation systems. The advantages afforded by adopting these natural rubber systems is clearly explained to designers and users of this technology, bringing into focus the design and specification of bearings for buildings, bridges and industrial structures.This comprehensive book:includes state of the art, as yet unpublished research along with all required fundamental concepts;is authored by world-leading experts with over 40 years of combined experience on seismic isolation and the behavior of multilayer rubber bearings;is accompanied by a website at www.wiley.com/go/kellyThe concise approach of Mechanics of Rubber Bearings for Seismic and Vibration I

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About the Authors ixPreface xiii1 History of Multilayer Rubber Bearings 12 Behavior of Multilayer Rubber Bearings under Compression 192.1 Introduction 192.2 Pure Compression of Bearing Pads with Incompressible Rubber 192.2.1 Infinite Strip Pad 242.2.2 Circular Pad 252.2.3 Rectangular Pad (with Transition to Square or Strip) 262.2.4 Annular Pad 272.3 Shear Stresses Produced by Compression 302.4 Pure Compression of Single Pads with Compressible Rubber 332.4.1 Infinite Strip Pad 332.4.2 Circular Pad 362.4.3 Rectangular Pad 392.4.4 Annular Pad 403 Behavior of Multilayer Rubber Bearings under Bending 453.1 Bending Stiffness of Single Pad with Incompressible Rubber 453.1.1 Infinite Strip Pad 473.1.2 Circular Pad 483.1.3 Rectangular Pad 493.1.4 Annular Pad 513.2 Bending Stiffness of Single Pads with Compressible Rubber 523.2.1 Infinite Strip Pad 523.2.2 Circular Pad 543.2.3 Rectangular Pad 573.2.4 Annular Pad 584 Steel Stress in Multilayer Rubber Bearings under Compression and Bending 634.1 Review of the Compression and Bending of a Pad 644.2 Steel Stresses in Circular Bearings with Incompressible Rubber 654.2.1 Stress Function Solution for Pure Compression 684.2.2 Stress Function Solution for Pure Bending 714.3 Steel Stresses in Circular Bearings with Compressible Rubber 734.3.1 Stress Function Solution for Pure Compression 734.3.2 Stress Function Solution for Pure Bending 764.4 Yielding of Steel Shims under Compression 784.4.1 Yielding of Steel Shims for the Case of Incompressible Rubber 784.4.2 Yielding of Steel Shims for the Case of Compressible Rubber 795 Buckling Behavior of Multilayer Rubber Isolators 835.1 Stability Analysis of Bearings 835.2 Stability Analysis of Annular Bearings 905.3 Influence of Vertical Load on Horizontal Stiffness 915.4 Downward Displacement of the Top of a Bearing 95

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저자(글) James M. Kelly