290

280

Safe Shear on Webs of Plate Girders.

depth of the full web plate.
spaced not over 5 feet nor over the
angles exceeds 60t, use stiffeners

When clear distance between flange

Pennsylvania R.R. -13000 pounds per square inch.

American Railway Engineering and Maintenance of Way Association-12000-40d/t

1906

16000-100d/t

Western Pacific Ry. Co.
Western Maryland

d2

120001+3000 t2);-but not over-10000-75.

Theodore Cooper

270

260

250

240

230

220

210

200

190

Thacher Rankine Formula

180

170

160

150

140

130

120

110

100

90

80

70

60

50

40

30

20

10

0

1000

1905

1906

2000 1000 5000 6000 7000 8000 9000 10000 11000 12000 13000 14000 15000 16

6000 lbs.per sq. in.

Proceedings of

the ... annual convention

American Railway Engineering Association

0000