CHAPTER VII.

74. Modern Bridge Theory 78 75. The Stresses in Beams 79 76. Vertical and Horizontal Shearing Stresses 80 77. Law of Variation of Stresses of Tension and Compression 82 78. Fundamental Formulæ of Theory of Beams 83 79. Practical Applications 85 80. Deflection 86 81. Bending Moments and Shears with Single Load 87 82. Bending Moments and Shears with any System of Loads 89 83. Bending Moments and Shears with Uniform Loads 92 84. Greatest Shear for Uniform Moving Load 94 85. Bending Moments and Shears for Cantilever Beams 96 86. Greatest Bending Moment with any System of Loading 97 87. Applications to Rolled Beams 99