CONTENTS
CHAPTER ONE INTRODUCTION
1.1 Types of Machine Foundations
1.2 General Requirements of Machine Foundations
1.3 Dimensional Criteria
1.4 Design Data
1.5 Dynamic Loads Induced in Simple Crank Mechanisms
1.6 Permissible Amplitudes
1.7 Permissible Bearing Pressures
CHAPTER TWO
GENERAL THEORY
2.1 Resonance and its Effect
2.2 Theory of a Single-Degree Freedom System
2.3 Theory of a Two-Degree Freedom System
2.4 Multiple-Degree Freedom System
2.5 Transient Response
CHAPTER THREE
EVALUATION OF DESIGN PARAMETERS
3.1 Importance of Design Parameters
3.2 Geometrical Properties of Machine Foundations
3.3 Physical Properties of the Elastic Base and their Experimental Evaluation
CHAPTER FOUR ANALYSIS AND DESIGN OF BLOCK-TYPE MACHINE FOUNDATIONS
4.1 Modes of Vibration of a Block Foundation
4.2 Review of Methods for Dynamic Analysis
4.3 Recommended Method of Analysis for Block Foundations
4.4 Foundations for Machines Inducing Periodical Forces (Example : Reciprocating Machinery)
4.5 Foundations Subject to Impact-Type Forces (Example : Hammers)
CHAPTER FIVE ANALYSIS AND DESIGN OF FRAMED FOUNDATIONS FOR HIGH-SPEED MACHINERY
5.1 Design Data
5.2 Special Considerations in Planning 136
5.3 Principal Design Criteria 138
5.4 Dynamic Analysis 138
5.5 Structural Design 149
5.6 Numerical Example for Design of Framed Foundation for a 200 MW Turbo-Generator 153
SAPTER SIX FOUNDATIONS FOR MISCELLANEOUS MACHINES 175
6.1 Rotary-Type Machines with Low Frequency 175
6.2 Machine Tools 180
6.3 Impact-Type Machines—other than Hammers 181
6.4 Fans and Blowers 183
6.5 Looms 184
6.6 Testing Machine with Pulsator 185
6.7 Machines Installed on Building Floors 185
6.8 Numerical Examples 186
CHAPTER SEVEN VIBRATION ISOLATION 192
7.1 Active and Passive Types of Isolation—Transmissibility 193
7.2 Methods of Isolation in Machine Foundations 195
7.3 Isolation in Existing Machine Foundations 195
7.4 Case Histories 202
7.5 Properties of Isolating Materials 205
7.6 Numerical Examples 207
CHAPTER EIGHT CONSTRUCTIONAL DETAILS OF MACHINE FOUNDATIONS 211
8.1 Concreting 211
8.2 Reinforcement 211
8.3 Expansion Joints 213
8.4 Connecting Elements 213
8.5 Methods of Laying Spring Absorbers 215
8.6 Provision for Tuning 217
APPENDIX A Useful Data for Ready Reference 218
APPENDIX B Terminology 226
APPENDIX C Selected Bibliography 229
Index 235