INDEX 



xv n 



Rod, Plain iron, 254. 

 Shear, 250. 

 Shrinkage, 250. 

 Slab, 250. 

 Splice, 250. 

 Tension, 250. 

 Tie-, 250. 

 Trussed, 250. 



Weights and areas of a 



square and round, 253. 



Rolled sections, Values for 



standard, 136. 

 shapes, Properties of, 146. 

 Roof trusses, Weight of, 56. 

 Root, Cube, 27. 



Square, 26. 



Roots, and reciprocals, Pow- 

 ers, 31. 



Round bars, Weights and 

 areas of square and, 

 253. 

 Rule for quantities, Fuller's 



242. 

 Rules for operating mixers, 



354. 

 Rupture, Modulus of. 124, 



179. 



of concrete, Table of 

 moduli of, 284. 



S 



Safe load on cast-iron col- 

 umn, 188. 



strength of concrete, 328. 

 Safety factor, 124. 

 Sampling, 209. 

 Sand and cement, 192. 



and its mixtures, 197. 



Argillaceous, 197. 



Calcareous, 197. 



cement, 195. 



Coarse, 198. 



dryer, 199. 



Fine, 198. 



for mortar test, 217. 



Granulometric composi- 

 tion of, 198. 



mortar, Consistency of, 

 216 



Percentage of voids in, 

 197. 



Sand, Pit, 197. 



- Preparation of, 199. 



Properties of, 197. 



River, 197. 



Silicious, 197. 



Sea, 197. 



Secondary tests, 210, 221. 

 Section, Built-up, 98. 



modulus, 145. 



Sections, Elements of usual 

 130. 



Properties of, 129. 



Values ior rolled, 136. 

 Sector of circle, 51. 

 Segment of circle, 52. 

 Selection of aggregates, 232. 

 Separator, McCarty, 340. 

 Set, Hard, 222. 



Initial, 222. 



of cement, 229. 

 Setting test, Results of time- 



of-, 223. 

 Shapes, Properties of rolled 



steel, 146. 



Shear and bending moment 

 of beams, Formulas for 

 maximum, 116. 



and bond, 300. 



bar, 250. 



diagram, 107. 



frame reinforcement, 279. 



Negative and positive, 

 105. 



Vertical, 104. 

 Shearing stress, 122. 

 Sheet-metal reinforcement, 

 267. 



-steel socket, 330. 

 Short posts, 180. 

 Shot machine, 219. 

 Shrinkage bar, 250. . 



in mortars, 207. 

 Siamese bar, 255. 

 Side of triangle, 50. 

 Silicious sand, 197. 

 Simple beam, 99. 

 Size of aggregates, 231. 

 Slab rods, 250. 

 Slag cement, 195. 



cement, Tests of natural 



and, 227. 

 Slaked lime, 193. 



