INDEX A.C.system 443 reinforced 71 Acoustic gauge 444 Concrete columns 76,77 Acoustoelasticity 456 Constants,elastic 3,9,361,363,367 Active gauge 436,440,442,443 Continuous beams 115 Allowable stresses 308 Contraflexure 48 Area Crack detection 433 first moment of 67 Creep 15,432 second moment of 62,68 Criterion of failure 401 Auto frettage 233 Critical section ·72 Axis neutral 66 Crossed set-up 446 Cross-sensitivity 437 Curvature,radius of 62 Balanced circuit 437 Cylinders Balanced section 72 compound 224 Beams plastic yielding 223 bending stress in 64 thick 215 built-in 140-147 thin 198 cantilever97,98,101,109,110 continuous 115 Dark field 446 curved 284 D.C.system 443 shear stress in 154-166 De Forrest 432 Bending Deflections circular 66 bending 92-123 moment 41-56 impact 264 of beams 62-79 shear 269 plus direct stress 74 temperature effects 119 plus torsion 187 Delta rosette 382 simple theory of 64 Deviatoric stress 263 Birefringence 446 Dilatational stresses 386 Boundary stress 429 Direct integration method 97 Brittle materials 8,402,404,412 Distortion energy 385 Built-in beams 140-147 Distortional stresses 386 Bulk modulus 198.202 Double cantilever 146 Double integration method 89 Calibration 433 Ductile materials 8,14,402,404,411 Capacitance gauge 444 Ductility 4.8 Carriage spring 309 Dummy gauge 436,438 Carrier frequency system 444 Dye-etchant 433 Castigliano 255,266.269.303 Dynamic strain 434 Centroid 64,70 Eccentric loading 74 Circular shafts 176-190 Clapeyron's "three-moment"cquation 73 115 Economic section Close-coiled spring 299 Elastic constants 361.367 Combined modulus 29 Elastic limit 4 Complementary energy 257 Elastic modulus 3 Complex strain 361 Elasticity 3 Complex stress 326 Elongation 8 Composite beam 70 Encastred (encastre)beams 140-147 Compound bars 27 Endurance limit 17 Compound beams 70 Energy method 112 Compound shafts 182-184 Equivalent modulus 29 Compound tubes 224 Equivalent moment 187 Concrete 71 Equivalent torque 187,188 XXVINDEX A.C. system 443 Acoustic gauge 444 Acoustoelasticity 456 Active gauge 436, 440, 442, 443 Allowable stresses 308 Area first moment of 67 second moment of 62, 68 Auto frettage 233 Axis neutral 66 Balanced circuit 437 Balanced section 72 Beams bending stress in 64 built-in 140-147 cantilever 97, 98, 101, 109, 110 continuous 115 curved 284 shear stress in 154166 circular 66 moment 41-56 of beams 62-79 plus direct stress 74 plus torsion 187 simple theory of 64 Bending Birefringence 446 Boundary stress 429 Brittle materials Built-in beams 140-147 Bulk modulus 198. 202 8, 402, 404, 412 Calibration 433 Capacitance gauge 444 Carriage spring 309 Carrier frequency system 444 Castigliano 255, 266, 269, 303 Centroid 64, 70 Circular shafts 176-190 Clapeyron’s “three-moment” equation 1 15 Close-coiled spring 299 Combined modulus 29 Complementary energy 257 Complex strain 361 Complex stress 326 Composite beam 70 Compound bars 27 Compound beams 70 Compound shafts 182-184 Compound tubes 224 Concrete 71 reinforced 71 Concrete columns 76, 77 Constants, elastic 3, 9, 361, 363, 267 Continuous beams 11 5 Contraflexure 48 Crack detection 433 Creep 15, 432 Criterion of failure 401 Critical section 72 Crossed set-up 446 Cross-sensitivity 437 Curvature, radius of 62 Cylinders compound 224 plastic yielding 223 thick 215 thin 198 Dark field 446 D.C. system 443 De Forrest 432 Deflections bending 92-123 impact 264 shear 269 temperature effects 119 Delta rosette 382 Deviatoric stress 263 Dilatational stresses 386 Direct integration method 97 Distortion energy 385 Distortional stresses 386 Double cantilever 146 Double integration method 89 Ductile materials 8, 14, 402, 404, 41 1 Ductility 4, 8 Dummy gauge 436, 438 Dye-etchant 433 Dynamic strain 434 Eccentric loading 74 Economic section 73 Elastic constants 361, 367 Elastic limit 4 Elastic modulus 3 Elasticity 3 Elongation 8 Encastred (encastre) beams 14&147 Endurance limit 17 Energy method 112 Equivalent modulus 29 Equivalent moment 187 Equivalent torque 187, 188 xxv