STRUCTURAL TABLES. 



Table 33. 



Table 34. 



Table 35. 



Table 36. 



Table 37. 



Table 38. 



Table 39. 



Table 40. 



Table 41. 



Table 42. 



Table 43. 



PAGE 



Moments of Inertia of Four Angles, Unequal Legs, Axis X-X, Long Legs Out. . 73 



Moments of Inertia of Four Angles, Unequal Legs, Axis X-X, Short Legs Out. . 81 



Moments of Inertia of Four Angles, Equal Legs, Axis Y-Y 88 



Moments of Inertia of Four Angles, Unequal Legs, Axis Y-Y, Long Legs Out. . 89 



Moments of Inertia of Four Angles, Unequal Legs, Axis Y-Y, Short Legs Out. . 90 



Radii of Gyration of Two Angles with Equal Legs, Both Axes 91 



Radii of Gyration of Two Angles, Unequal Legs, Both Axes, Long Legs Out ... 92 



Radii of Gyration of Two Angles, Unequal Legs, Both Axes, Short Legs Out. . . 93 



Safe Loads of Single Angle Struts, Equal Leg Angles 94 



Safe Loads of Single Angle Struts, Unequal Leg Angles 95 



Safe Loads of Two Angle Struts, Axis i-i ; Equal Legs and Unequal Legs with 



Long Legs Turned Out 96 



Safe Loads of Two Angle Struts, Axis 2-2; Equal Legs and Unequal Legs with 



Long Legs Turned Out 98 



Safe Loads of Two Angle Struts; Equal Legs and Unequal Legs with Short Legs 



Turned Out . 101 



MISCELLANEOUS SECTIONS. 



Table 46. Properties and Elements of Z-Bars 103 



Table 47. Elements of Carnegie Equal Tees 104 



Table 48. Elements of Carnegie Unequal Tees 105 



Table 49. Elements of A. S. C. E. and Light Rails 106 



Table 50. Elements of Carnegie Bulb Beams 107 



Table 51. Elements of Carnegie Bulb Angles 107 



Table 52. Elements of Carnegie H-Beams 108 



Table 53. Carnegie Trough Plates 109 



Table 54. Carnegie Corrugated Plates .- no 



Table 55. Buckle Plates in 



COLUMNS AND STRUTS. 



Table 56. Properties of Three I-Beams 112 



Table 57. Properties of Two Channels Laced, Flanges Turned Out 113 



Table 58. Properties of Two Channels Laced, Flanges Turned In 114 



Table 59. Properties of Two Channels and Two Plates 115 



Table 60. Properties of Two Channels and One I-Beam, Flanges Turned Out 116 



Table 61. Properties of Two Channels and One I-Beam, Flanges Turned In 117 



Table 62. Properties of Two Channels and One Built I-Beam, Flanges Turned Out 118 



Table 63. Properties of Two Channels and One Built I-Beam, Flanges Turned In 119 



Table 64. Properties of One Channel and One I-Beam 120 



Table 65. Properties of One Channel and One Built I-Beam 121 



Table 66. Properties of One Channel and One Angle 122 



Table 67. Properties of Two Angles and Four Angles Starred 123 



Table 68. Properties of Four Angles Laced 124 



Table 69. Properties of Four Angles and One Plate (Built H) 125 



Table 70. Properties of Four Angles and Three Plates (Built H with Covers) 126 



Table 71. Properties of Four Angles and Two Plates Laced (Two Built Channels Laced). 127 



Table 72. Properties of Four Angles and Four Plates (Two Built Channels and Two Plates) 132 



4 



