INDEX 



Stave pipes, Formula for, 379 

 Steel pipe, Riveted, 378 

 spread foundations, For- 

 mula for, 336 

 Stiffness of a beam, 295 

 Stirrups in reinforced-con- 



crete beams, 328 

 Stone, Durability of, 304 

 pavements, 403 

 Strengths of, 303 

 Table of absorptive power 



of, 304 



Storm-water sewerage sys- 

 tem, 382 



Straight-line formula, Con- 

 stants for, 299 

 -line theory of reinforced 



concrete, 319 

 Strain, Definition of, 275 

 Streams, Discharge of large, 



357 . 



Streets, City, 409 

 Strength of cylindrical shells, 



281 



of materials, 275 

 of ropes and chains, 302 

 Strengths of stone, 303 

 Stress, Definition of, 275 

 Formula for simple, 280 

 ratio in reinforced-concrete, 



320 



Temperature, 286 

 Working, 280 

 Stresses, Combined, 301 

 Struck bushel, U. S., 3 

 Stub switch, 241 



switch, To lay out, 252 

 -switch turnouts, Table of 



dimensions of, 244 

 switches. Lead of a turnout 



for, 243 

 Subchord, 159 

 Subfoundations, 332 

 Sun, Declination of, 150 

 for azimuth, Corrections 

 for observations of, 154 

 Formula for azimuth of, 



150 

 Sun's parallax in altitude, 



Table of, 152 



Superelevation of outer rail, 

 Formula for, 172 



Superimposed loads, Retain- 

 ing wall supporting, 342 

 Surcharged retaining wall, 341 



walls, Table of dimensions 



of, 343 



Survey for railroad location, 

 Preliminary, 223 



of closed field, Balancing 

 of, 61 



Supplying omissions for, 66 

 Surveying, Angular, 33 



Chain, 26 



City, 131 



Compass, 33 



Hydrographic, 122 



Inaccessible lines in, 72 



instruments, 26 



methods, 26 



Plane-table, 107 



Stadia, 94 



Topographic, 112 



Transit, 39 

 Surveyor's chain, 26 



measure, 1 



square measure, 2 

 Switch, Heels and toes of, 240 



in a turnout, 240 



Point of, 241 



timbers, 256 

 Switches, Stub and point, 241 



T-shaped reinforced-concrete 

 beams, Formulas for, 33 1 

 Table, Barometric, 92 



for cast-iron pipes, Hy- 

 draulic, 364 to 372 



of absorptive power of 

 stone, 304 



of average weights of hy- 

 draulic cements, 307 



of azimuths of Polaris at 

 elongation, 148 



of coefficients of friction / 

 for flow of water in pipes, 

 361 



of coefficients for angular 

 bends, 362 



of coefficients for circular 

 bends, 362 



of coefficients for valves, 

 363 



