366 INDEX. 



ART. PAGE 



I Cross-section, Bearing Stresses 75 112 



Impact 5 3 



Effect of 88 139 



Indeterminate Cases, Statically 42 49 



Inertia, Moment of 72 101 



Initial Stresses 13 11 



In Counters 120 216 



Intermediate Sway Bracing 162 319 



Internal Forces 3 3 



Kinds of Loads 4 3 



Of Stress 12 9 



Of Structures 2 1 



"K " Type of Web Bracing 124 228 



Lateral Stresses Due to Curved Track 176 354 



Lateral Systems 159 317 



For Deck Bridges 162 318 



For Deck Plate Girder 160 317 



For Pony Truss 161 318 



For Through Bridge 163 321 



For Through Plate Girder 161 318 



Lattice Girder 123 226 



Portal 172 345 



Portal for Shallow Trusses 173 347 



Launhardt Formula 28 32 



Law of Lever 46 56 



Laws of Equilibrium and their Application Chap. Ill 35 



Lenticular Truss 122 221 



Lever Arm 30 36 



Limits of Span for which a Series of Wheels Gives a Maximum 



Moment 146 292 



Lines of Principal Stress 77 116 



Live Load 4 3 



126 234 



Continuous on a Beam 102 166 



Maximum Stresses in Chords 128 239 



Maximum Stresses in Web Members 129 241 



On Beams 99 164 



100 164 



101 165 



Load, Dead 4 3 



Loaded Chord 125 234 



Loading Strip or Diagram 143 288 



Loading for Railway Bridges 141 285- 



Loads, Concentrated 4 3 



Distributed 4 3 



Kinds of.. 4 3 



