vi INDEX 



Bar, Shrinkage, 250. 

 Siamese, 255. 

 Spiral, 256. 

 Splice, 250. 

 Square-twisted, 256. 

 Square-twisted lug, 257. 

 Staff, 255. 



Table of properties of cor- 

 rugated, or Johnson, 258. 

 Table of properties of 



Diamond, 260. 

 Table of properties of 



Kahn cup, 257. 

 Table of properties of 



Ransome, 256. 

 Table of properties of 



square-twisted lug, 258. 

 Table of properties of 



Thacher, 259. 

 Table of properties of 



universal, 259. 

 Tension, 250. 

 Thacher, 255. 259. 

 Tie-, 250. 

 Trus-Con, 261. 

 Trussed, 250. 

 U, 263. 

 Unit, 255. 

 Universal, 258. 

 Weights and areas of a 



square and round, 253. 

 Barrett specifications for 



waterproofing, 345. 

 Batch mixers, 347. 

 Beam and girder, Bearings 



for a concrete, 332. 

 Concrete T, 298. 

 Continuous, 99. 

 Continuous concrete, 294. 

 Deflection of, 174. 

 Formula for design of a, 



167. 

 Formulas for deflection of 



a, 172. 

 Loads suddenly applied 



on, 176. 



Plain concrete, 282. 

 Rectangular concrete, 291. 

 Reinforced-concrete, 290. 

 Restrained, 100. 

 Shear on, 104. 

 Simple, 99. 



Beam sockets, 328. 



Weight of, 170. 

 Beams, Bending moments 

 of, 110. 



Continuous, 120. 



Diagram for bending mo- 

 ment on, 114. 



fixed at both ends, 100. 



Forces acting on, 99. 



Formulas for maximum 

 shear and bending mo- 

 ment of, 116. 



Homogeneous, 129. 



Loads on, 100. 



over equal spans, Bend- 

 ing moments for con- 

 tinuous, 120. 



over equal spans, Reac- 

 tions for continuous, 

 119. 



Positive and negative 

 shear on, 105. 



Properties of standard I, 

 148. 



Reactions on, 100. 



reinforced at top and 

 bottom, 295. 



Shear diagrams of, 107. 



Styles of, 99. 

 Bearing value of foundation 



soils, 311, 313. 

 Bearings for concrete beams 



and girders, 332. 

 Bending - moment diagram, 

 114. 



moment for continuous 

 beams over equal spans, 

 120. 



-moment formulas, 167. 



moment of beams, For- 

 mulas for maximum 

 shear and, 116. 



moments, 110. 



stress in concrete, Table 

 of, 284. 



stress of various materials, 



Table of, 283. 

 Bigelow socket, 328. 

 Bituminous concrete, 230. 



membranes, 345. 

 Boiler, Instructions for start- 

 ing and managing a, 255. 



