2. INTRODUCTION SUPPORT STRUCTURSE FORCE - LONGITUDINAL FORCE - TRANSVERS
weight
Figure Chart for selection of saddles for horizontal vessels
Wind force

3. ESIGN OF SADDLE SUPPORTS FOR LARGE VESSELS
PROCEDURE 3-11
ESIGN OF SADDLE SUPPORTS FOR LARGE VESSELS

5. Notation
Wind force

6. Notation
weight

9. - Vertical Load per Saddle
Forces and Loads
- Vertical Load per Saddle
FORCE - LONGITUDINAL
FORCE - TRANSVERS
Wind force

10. Maximum Loads

11. Saddle Properties

12. Figure 3-52. Cross-sectional properties of saddles

13. Design of Saddle Parts

14. Design of Saddle Parts

15. Design of Saddle Parts

16. Design of Saddle Parts- Anchor Bolts

17. Design of Saddle Parts- Anchor Bolts

18. Design of Saddle Parts- Ribs

19. Design of Saddle Parts- Ribs

20. DESIGN OF BASE PLATES FOR LEGS
PROCEDURE 3-12
DESIGN OF BASE PLATES FOR LEGS

21. Notation Y = effective bearing length, in.
M =overturning moment, in.-lb
Mb =bending moment, in.-lb
P =axial load, Ib
ft =tension stress in anchor bolt, psi
A = actual area of base plate, in.2
A, = area required, base plate, in.2
f: =ultimate 28-day strength, psi
f, =bearing pressure, psi
fi =equivalent bearing pressure, psi
Fb = allowable bending stress, psi
Ft = allowable tension stress, psi
F, = allowable compression stress, psi
E, = modulus of elasticity, steel, psi
E, = modulus of elasticity, concrete, psi
n = modular ratio, steel-concrete
n' =equivalent cantilever dimension of base plate, in.
B, = allowable bearing pressure, psi
K1,z.s = factor
T =tension force in outermost bolt, lb
C =compressive load in concrete, lb
V=base shear, lb
N =total number of anchor bolts
Nt =number of anchor bolts in tension
Ab = cross-sectiond area of one bolt, in.z
A, =total cross-sectional area of bolts in tension, in.'
a = coefficient
T, = shear stress

22. Axial loading only, no moment.
Calculations
Axial loading only, no moment.

23. Axial loading only, no moment.
Calculations
Axial loading only, no moment.

24. Axial loading only, no moment.
Calculations
Axial loading only, no moment.

25. Axial loading only, no moment.
Calculations
Axial loading only, no moment.

26. Calculations

27. Calculations

28. Calculations

29. Calculations

30. Calculations

31. Calculations

36. 1. Fabricated weight: Total weight as fabricated in the shop.
2. Shipping weight: Fabrication weight plus any weight added for shipping purposes, such as shipping saddles.
3. Erection weight: Fabrication weight plus any weight installed for the erection of the equipment, such as any insulation, fireproofing, piping, ladders, platforms.
4. Empty weight: The overall weight of the vessel sitting on the foundation, fully dressed, waiting for operating liquid.
5 . Operating weight: Empty weight plus any operating liquid weight.
6. Test weight: This weight can be either shop or field test weight, that is, the vessel full of water.

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