GSI PNEG-1867 User Manual
PNEG-1867
Concrete Foundation
Recommendations for
GSI CFL Grain Bins
Instruction Manual
PNEG-1867
Date: 05-31-12
2 PNEG-1867 Concrete Foundation Recommendations for GSI CFL Grain Bins
Table of Contents
Contents
Chapter 1 CFL Series Outside Universal Stiffened Anchor Bolt Charts ...........................................................6
CFL Series Outside Universal Stiffened Anchor Bolt Charts
4" Corrugation Commercial Farm Tanks ............................................................................................... 6
Chapter 2 Inverted “T” Foundation 4" Outside Stiffened (CFL Series) Commercial Farm Tanks ................ 10
3000 PSF Soil Bearing Capacity ......................................................................................................... 10
3500 PSF Soil Bearing Capacity ......................................................................................................... 12
4000 PSF Soil Bearing Capacity ......................................................................................................... 14
Chapter 3 T-Cap Foundation Outside Stiffened Commercial Farm Tanks ..................................................... 18
Chapter 4 Warranty .............................................................................................................................................. 21
PNEG-1867 Concrete Foundation Recommendations for GSI CFL Grain Bins 3
NOTES
4 PNEG-1867 Concrete Foundation Recommendations for GSI CFL Grain Bins
CFL (4" Corrugation) Outside Stiffened
Anchor Bolt Chord Charts 2 Post
Commercial Farm Tanks
®
Section 1
PNEG-1867 Concrete Foundation Recommendations for GSI CFL Grain Bins 5
1. CFL Series Outside Universal Stiffened Anchor Bolt Charts
CFL Series Outside Universal Stiffened Anchor Bolt Charts
4" Corrugation Commercial Farm Tanks
Prior to setting any anchor bolts, you must be sure to have the correct anchor bolt placement chart. This
is very critical for stiffener alignment during erection.
The charts are divided up based on the following criteria:
• Does your bin have 2 or 3 stiffeners per sidewall sheet?
• Does your bin have stiffeners on the inside or outside?
• What diameter of bin do you have?
• What series of bin do you have (NC, WC, FC, CFL)?
Refer to proper chart on Page 7 to find the anchor chord that corresponds to the bin that is going to
be built.
Start with one anchor bolt and work from it to the left to locate one quarter of the anchor bolts the n to the
right to locate another quarter of the bolts. Now work off of the last anchor bolt s in each quarter t o lo cate
remaining anchor bolts in the last two (2) quarters.
Figure 1A
6 PNEG-1867 Concrete Foundation Recommendations for GSI CFL Grain Bins
1. CFL Series Outside Universal Stiffened Anchor Bolt Charts
CFL Series Outside Stiffened Tanks 2 Stiffeners per
Sidewall Sheet 4" Commercial Anchor Bolt Placement Charts
Nominal 36 Anchors
Diameter
Bolt Radius
Anchor Chord
Nominal 40 Anchors
Diameter
Bolt Radius
= 54' 2 Post
= 27' - 2-1/2"
4' - 8-15/16"
9' - 5-7/16"
14' - 1-1/16"
18' - 7-3/8"
23' - 0-1/16"
27' - 2-9/16"
31' - 2-5/8"
34' - 1 1 -1 3/16"
38' - 5-13/16"
= 60' 2 Post
= 30' - 2-3/8"
4' - 8-7/8"
9' - 5-3/8"
14' - 1-3/16"
18'-8"
Anchor Chord
23' - 1-3/8"
27' - 5-1/16"
31' - 6-11/16"
35'-6"
39' - 2-11/16"
42' - 8-1/2"
NOTE: These tables are for 2 post CFL series outside stiffened bins only.
PNEG-1867 Concrete Foundation Recommendations for GSI CFL Grain Bins 7
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