INDEX 
Page 
Abutting joints 9 
Accessibility of parts 30 
Adjustable members and counters 42 
Alignment 12 
Anchor bolts.. 13,36 
Anchorage for viaducts 44 
Angles, effective area in tension 31 
Annealing: 
General 10 
Record of eyebars 3 
Steel castings 3 
Steel forgings - 3 
Assembling: 
Field 12,13 
Shop - 6 
Axes, gravity 43 
Bars, lacing. _ 9,33 
Batter for viaduct posts 44 
Bearings: 
Effective area. _ 29 
Expansion 35 
Fixed 35 
Hinged or pin 35 
Inclined 36 
Planing plates 8 
Plate girders 42 
Preparation of area 12 
Special sliding expansion 36 
Bents and towers for viaducts 44 
Bolts: 
Anchor 13,36 
Connection 7, 35 
Turned 7 
Unfinished 7 
Boring: 
Eyebars 9 
Pin holes 10 
Bottom chords 42 
Bracing: 
General-- 38 
Design... - 38 
Lateral 38 
Low truss spans 39 
Portal and sway- -.. 38 
Through girder spans.. 39 
Viaducts 44 
Bronze-phosphor materials specification 4 
Built members - 9 
Camber: 
Plate girder 42 
Truss.-- 43 
Castings: 
Gray iron - 4 
Malleable 4 
Steel 3 
Centrifugal force 24 
Changes and substitutions 5 
Classification: 
Loading. 21 
Traffic.-- 21 
Clearances: 
Pin 10 
Roadway 18 
Compression: 
Flanges... 28 
Members... 32 
Plates 32 
Connections: 
End 9 
Field. (See Field connections.) 
FJoorbeams and stringers 37 
Strength of 31 
Viaduct girders 44 
Counters and adjustable members 43 
Cross frames _ 39 
Curbs 18 
Peadload 20 
46 
Defects: 
Gray iron castings 4 
Malleable castings 4 
M ater ial ._ 1 
Phosphor bronze 4 
Steel castings 3 
Depth ratios 30 
Diaphragms 43 
Dimensions for stress calculation 27 
Distribution olload: 
Bending moment in floorbeams 26 
Bending moment in stringers 26 
Electric railway wheelloads 27 
Shear.- 26 
Drifting of rivet holes.. 6 
Effective area: 
Angles intension 31 
Bearing 29 
Rivets 29 
Erection: 
Adjustment of pin nuts 13 
Alignment 12 
Assembling and riveting 6, 12 
Field inspection . 11 
Handling members 12 
Preparation of bearing area 12 
Setting anchor bolts.. 13,36 
Storage 12 
Straightening bent material 5, 12 
Expansion: 
General 35 
Bearings 35 
Joints 38 
Eyebars: 
Design 43 
Failure to meet requirements 2 
Full sized, tests..- 2 
Number and size oftest bars 2 
Packing 43 
Physical requirements 2,9 
Record of annealing 3 
Selection oftest bars 2 
Fabrication and rolling 10 
Field connections: 
General-- 6 
Cleaning and painting 17 
Inspection 11 
Rivets-- - -- 7 
Fillers 31 
Flanges: 
C ompression 28 
Outstanding 32 
Plate girders 28 
Rivets.-. 30 
Sections 40 
Splices 41 
Floor loads 23 
Floor system 37 
Floor beams: 
General.. 37 
Connection tostringers 37 
End- - 37 
Force: 
Centrifugal 24 
Lateral.. 24 
Longitudinal 24 
Thermal 25 
Forged pins 10 
Forgings: 
General 3 
Annealing 3 
Steel 3 
Forked ends 34 
Fracture, character of 2 
Girders: 
Bracing 39 
Connections, viaducts 44 
Depths, viaducts 44 
