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,
Inc.
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p 296
Chapter 4
Miscellaneous Structural Support Products
CHAPTER 4
MISCELLANEOUS STRUCTURAL SUPPORT PRODUCTS
Soil Description: Loose Sand and Gravel
Internal angle of friction (
Φ
) = 30 degrees
“Ah” Minimum Required Horizontal Location to Anchor (ft)
“Pv” Depth Below
Grade to Center of
Wall Plate (ft)
1
2
3
4
5
Anchor Size
Anchor Size
Anchor Size
Anchor Size
Anchor Size
Small
Med/Lrg Small
Med/Lrg Small
Med/Lrg Small
Med/Lrg Small
Med/Lrg
“F” Unbalanced
Fill Depth (ft)
10
12.1
12.8
12.1
12.8
12.9
13.6
14.6
15.3
16.3
17.0
9
11.6
12.3
11.6
12.3
12.3
13.0
14.0
14.7
8
11.0
11.7
11.0
11.7
11.7
12.4
13.4
14.1
7
10.4
11.1
10.4
11.1
11.1
11.8
6
9.8
10.5
9.8
10.5
10.5
11.3
5
9.2
10.0
9.2
10.0
4
8.7
9.4
8.7
9.4
3
8.1
8.8
“Avb & Avt” Minimum Required Depths Below Grade to Anchor (ft)
Bottom - Avb:
3.7
4.1
3.7
4.1
4.1
4.5
5.1
5.5
6.1
6.5
Top - Avt:
Depth as needed to prevent frost effects
Soil Description: Silt, Silty/Clayey Sand and Gravel
Internal angle of friction (
Φ
) = 26 degrees
“Ah” Minimum Required Horizontal Location to Anchor (ft)
“Pv” Depth Below
Grade to Center of
Wall Plate (ft)
1
2
3
4
5
Anchor Size
Anchor Size
Anchor Size
Anchor Size
Anchor Size
Small
Med/Lrg Small
Med/Lrg Small
Med/Lrg Small
Med/Lrg Small
Med/Lrg
“F” Unbalanced
Fill Depth (ft)
10
12.1
12.8
12.1
12.8
12.8
13.5
14.4
15.1
16.0
16.7
9
11.5
12.2
11.5
12.2
12.2
12.8
13.8
14.4
8
10.9
11.5
10.9
11.5
11.5
12.2
13.1
13.8
7
10.2
10.9
10.2
10.9
10.9
11.6
6
9.6
10.3
9.6
10.3
10.3
11.0
5
9.0
9.7
9.0
9.7
4
8.4
9.0
8.4
9.0
3
7.7
8.4
“Avb & Avt” Minimum Required Depths Below Grade to Anchor (ft)
Bottom - Avb:
3.7
4.1
3.7
4.1
4.1
4.5
5.1
5.5
6.1
6.5
Top - Avt:
Depth as needed to prevent frost effects
