310 



STRENGTH OF MATERIALS 



Building blocks, concrete, 262. 

 Bureau of Forestry timber tests, 291, 



292, 294. 

 Bursting pressure of thick cylinder, 133. 



Cantilever, 55. 



Carbon in cast iron, 232. 



in steel, 239. 

 Castigliano's theorem, 93. 



application to continuous beams, 94. 

 Cast iron, manufacture and general 

 properties of, 231. 



compression of, 234. 



elasticity of, 234. 



flexure of, 234. 



impurities in, 232. 



malleable, 237. 



modulus of rupture of, 238. 



shear of, 234. 



specifications for, 237. 



tensile strength of, 232, 238. 

 Cast-iron columns, 236. 

 Castings, malleable, 237. 



steel, 241, 242, 243. 

 Cedar, strength of, 290, 292, 293. 

 Cement, 247. 



compression tests of, 252, 253. 



specifications for, 253. 



test of fineness, 249. 



test of soundness, 248. 



test of tensile strength. _'"><>. -'"_'. 



test of time of setting. iM'.*. i 

 Cinder concrete, 260. 

 Circular plates, 135, i:J7. 

 Circular shafts in torsion, 112, 113, 114. 

 Classification of materials, 9. 

 Coefficient of cubical expansion, 2.. 

 Coefficient of elasticity. See Modulus of 



elasticity. 



Coefficient of linear expansion, 12. 

 Cold bending test, 231. 

 Column footings, 203. 

 Columns, beams of considerable depth, 

 111. 



cast-iron, 236. 



Cooper's modification of Johnson's 

 straight-line formula, 110. 



one or both ends fixed, 100. 



Euler's formula, 100, 101. 



Gordon's formula, 104. 



independent proof for fixed ends, 

 101. 



Johnson's parabolic formula, 106, 

 107. 



Johnson's straight-line formula, 108, 

 109, 110. 



modification of Euler's formula, 103. 



nature of compressive stress, 98. 



Rankine's formula, 104, 105. 

 Combined bending and torsion, 32, 115. 

 Common theory of flexure, 34. 

 Compression, defined, 2. 



brick in, 276, 277, 278. 



brick piers in, 277. 



cast iron in, :i.'J<J. 



cement in, 252, 253. 



concrete in. 2:>s, 259, 260. 



stone in, 27:5, 274. 



tests, ir-'l. 



timlM-r in. I'M, L".M>, 292, 293, 2'.i. 

 Compressive strength, average values, !',. 

 Concrete building blocks, 2iii'. 

 Concrete. See Masonry arches. 



mixing. 857, 



modulus of elasticity of, 2-V.. 



rrriit'oircd. See /. I <~n- 



crete. 



tests of, 255, 256, 257, 258, 251>. _''.<>. 

 Concretr-sit-fl plates. 1 i:i. 

 Consequence of Bernoulli's assumption, 



35. 



Continuous beams. See Beams. 

 Contraction of area, 1 I, L'iM. 

 Core section, r.:,. i;;, 67. 

 Cottonwood, strength of, 290. 

 Cross-bending. See Flexure. 

 Crushing. See Compression. 

 Curvature due to bending moment, 34. 

 Curve, elastic. See Elastic curve. 

 ( 'urved pieces, 145. 

 Cylinders and spheres, thin, 122. 

 Cylinders, thin : 



elastic curve for, 125. 



hoop tension in, 123. 



longitudinal stress in, 123. 

 Cylinders, thick, 130. 



bursting pressure, 133. 



Lamp's formulas, 130. 



made of concentric tubes, I.'U. 



maximum stress in. lo'J. 1 )". 

 Cypress, strength of, 292, 293. 



Dangerous section, 49. 

 Deflection of beams. See Beams. 



