Page 213 - Pressure Vessel Design Manual
P. 213
Design of Vessel Supports 191
Assume thickness t, and calculate I and Z:
tcy3
I=---
12
f
Mx =a
f
M - - [l + (e-Bx(cos px - sin px))]
- 4/53
Note: These calculations are based on a beam on elastic
foundation methods. Bx is in radians. See Procedure 5-2.
M,
Double Gusset fb = - 0.6F,
<
Z
f +-+f
Figure 3-68. Loading diagram of compression plate with two gussets.
Table 3-31
Standard Lug Dimensions
Type e b Y X h tg=b Capacity (b)
1 4 6 2 6 6 % 23.500
2 4 6 2 6 9 36 45,000
3 4 6 2 6 12 ?h 45,000
4 5 7 2.5 7 15 9/16 70,000
5 5 7 2.5 7 18 % 70,000
6 5 7 2.5 7 21 "e 70,000
7 6 8 3 8 24 % 100,000
