CONTENTS Chapter 1 Trusses! 1.1 What Is a Truss?.. 1 1.2 Bar in Tension or Compression.3 1.3 Symmetrical Truss with Two Elements of Equal Size at 90.. 16 1.4 Symmetrical Truss with Two Elements at Various Orientations.. 25 1.5 Unsymmetrical Truss with Two Elements.. 31 1.6 Truss with Three Members.39 1.7 Hands-on Approach to Truss Design. 51 1.8 Analysis of Statically Determinate Trusses.58 1.9 Stable Trusses.. 68 1.10 Building a Truss 72 1.11 Problems 73 Chapter 2Moments and Deflections in Cantilever Beams79 2.1 What Is a Bending Moment? 79 2.2 What Is a Shear Force? .. 89 2.3 What Is a Distributed Load?. 106 2.4 What Is a Couple? 118 2.5 The Effects of Moment on Stresses in a Beam 123 2.6 The Effects of Moment on Strains in a Beam. 130 2.7 Deformation of a Beam-Spring Model 135 2.8 Deformation of a Beam-Continuously Deformable Model.. 143 2.9 Problems.. 156 Chapter 3Moments and Deflections in Simply Supported Beams 161 3.1 The Effect of a Concentrated Load on Shear, Moment, and Deflection..161 3.2 The Effect of Several Concentrated Loads on Shear, Moment, and Deflection.. 171 3.3 Similarities between Beam and Truss Response. 181 3.4 Construction and Test of a Timber Beam.. 188 3.5 Problems.. 194 Chapter 4Bending and Shear Stresses.. 199 4.1 First Moment..- . 199 4.2 Second Moment and Section Modulus .206 4.3 Construction and Test of a Styrofoam Beam.. 216 4.4 Shear Stress..- .. 218 4.5 Problems- .225 Chapter 5Frames227 5.1Introductory Concepts..227 5.2A Simple Bent236 5.3A Portal Frame251 5.4Statically Indeterminate Frame261 5.5Multistory Frame271 5.6Three-Hinged Frame279 5.7Problems286 Chapter 6Buckling..291 6.1Simple Models291 6.2Continuously Deformable Model..302 6.3 Problems309 Answers to Problems..311 List of Symbols341 Users Manual for GOYA 341 Index.347