IV CAMBRIA STEEL. 



CONTENTS. 



General Information VI-X 



Sections of I-Beams and Channels 2-16 



Angles, Bulb Angles and Top Guard Angles 17-23 



* Hatch Z-Bar and Car Side Stakes 23 



T-Bars, Crane Rail and Door Spreader 24-26 



Method of Increasing Sectional Areas 26 



Proportions of Standard Beams and Channels 27 



Diagram for Minimum Standard Beams and Channels 28, 29 



Pressed Steel Car Parts and Car Forgings 30, 31 



Sizes of Ingots 32 



Sizes of Squares, Rounds and Flats 33 



Sizes of Billets, Blooms and Slabs 34, 35 



Square Billets and Sheet and Tin Bars 36 



Sizes of Plates and Thin Sheared Sheets -. . 37-39 



Weights and Dimensions of I-Beams and Channels 40-45 



" " Bulb Angles, Top Guard .... 



Angles and Car Side Stakes 45, 46 



Weights and Dimensions of T-Bars and Angles 47-51 



References to Beam Tables, Beams as Girders, Connection 



Angles and Live Loads for Floors 



Standard Construction Details 53-67 



Materials and Construction for Fireproof Floors 68-77 



Notes on Lateral Strength of Beams 78-83 



Approximate Weights of Various Roof Coverings 84 



Weights, Dimensions and Data for Steel Sheeting 85 



Formulae for Dimensions and Stresses of Roof Trusses. . . 86-89 



Buckle Plates and Safety Floor Plates 90 



Reinforced Concrete Floor Slabs 91-93 



Limiting Spans and Maximum Loads of Beams and Channels 94-97 



Coefficients of Deflection of Beams 98, 99 



Explanation of Tables of Safe Loads 100-105 



Tables of Safe Loads for I-Beams and Channels 106-123 



" Spacing of I-Beams 124-135 



" Maximum Bending Moments for I-Beams and Chan- 

 nels 136, 137 



" Safe Loads for Angles 138-159 



General Formulae for Flexure and Bending Moments 160-165 



Formulae for Moments of Inertia of Standard Sections. . . . 166, 167 



Properties of Various Sections 168-175 



Explanation of Tables of Properties 176-181 



Tables of Properties of I-Beams, Channels and Hatch Z-Bar 182-191 

 Bulb Angles, Car Side Stakes and 



Door Spreader Bar 192-195 



T-Bars and Angles 196-209 



Moments of Inertia of Rectangles 210-213 



Properties of Standard T-Rails 214 



Radii of Gyration for Two Angles Placed Back to Back .... 215-217 



Strength of Steel Columns or Struts 218-221 



Example of the Use of Tables on pages 215-217 and 218-221 . 222 



