Table of Contents

Chapter1 Introduction 001
1.1 Overview 001
1.2 Contents of Engineering Mechanics Experiments 002
1.3 Standards, Methods, and Requirements of Engineering Mechanics Experiments 003

Chapter2 Theoretical Mechanics Experiments 005
2.1 Testing the Stiffness and Natural Frequency of a Spring-Mass System 005
2.2 Determination of Center of Gravity for Irregular Objects 007
2.3 Determination of Moment of Inertia for a Disc Using a Three-Wire Pendulum 010
2.4 Determination of Moment of Inertia for Non-Homogeneous Objects Using an Equivalent Method 012
2.5 Self-Excited Vibration Experiment of Overhead Cable Model 015
2.6 Measurement of Static Friction Coefficient and Kinetic Friction Coefficient 018

Chapter3 Mechanical Performance Experiment of Materials 023
3.1 Experimental Equipment and Instruments 023
3.2 Tensile Testing 028
3.3 Compression Testing 041
3.4 Torsion Testing 048
3.5 Impact Testing 055

Chapter4 Strain Gauge Method 061
4.1 Principle and Application of Strain Gauges 061
4.2 Bridge Road Combination Experiment 081
4.3 Pure Bending Beam Positive Stress Experiment 085
4.4 Bending-Torsion Combined Deformation Experiment 089

Chapter5 Comprehensive Experiments 096
5.1 Compression Rod Stability Test 096
5.2 Experiment of Determining the Elastic Constants E and μ of Materials Using the Strain Gauge Method 100
5.3 Eccentric Tensile Test　103
5.4 Composite Beam Normal Stress Measurement 107
5.5 Prestressed Beam Experiment 110
5.6 Metal Fatigue Experiment 113
5.7 Installation of Resistance Strain Gauges 119
5.8 Standing Wave Tube Method for Measuring the Absorption Coefficient of Sound-Absorbing Materials 122

Chapter6 Virtual Simulation Experiments 127
6.1 Introduction to Virtual Simulation Platform 127
6.2 Basic Operation Instructions 128
6.3 Specific Operation Steps of Virtual Simulation Experiments 132

References 155

Appendix I Introduction to Experimental Error Analysis and Data Processing 156

Appendix II National Stands 164

Appendix III Static and Kinetic Friction Coefficient of Different Materials 165

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