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STINGRAY ULTIMATE HOLDING CAPACITY - Kips
(Numbers in parentheses refer to notes at bottom of chart)
Click here for KN
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Soil Description
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Blow Count (N)
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SR-1
Ultimate = 100 Kips
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SR-2
Ultimate = 100 Kips
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SR-3
Ultimate = 100 Kips
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| Very Dense and/or Cemented Sands; Coarse Gravel and Cobbles |
60+
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65-89
(1,3)
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89-100
(1,3)
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100
(1,3,5)
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| Dense Fine Compacted Sand; Very hard Silts and Clays |
45-60
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58-65
(2,4)
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79-89
(2,4)
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100
(2,3)
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| Dense Clays, Sands and Gravel; Hard Silts and Clays |
35-50
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39-58
(4)
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62-79
(2,4)
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85-100
(2,3,4)
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| Medium Dense Sandy Gravel; Very Stiff to Hard Silts and Clays |
24-40
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29-41
(4)
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46-66
(4)
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63-90
(4)
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| Medium Dense Coarse Sand and Sandy Gravel; Stiff to Very Stiff Silts and
Clays |
14-25
|
24-32
(4)
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31-48
(4)
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48-63
(4)
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| Loose to Medium Dense Fine to Coarse Sand; Firm to Stiff Clays and Silts |
7-14
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16-24
(4)
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27-36
(4)
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37-48
(4)
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| Loose Fine Sand; Alluvium; Soft-Firm Clays; Varied Clays; Fill |
4-8
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13-19
(4,6)
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19-28
(4,6)
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24-37
(4)
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1 = Drilled hole required to install.
2 = Installation may be difficult. Pilot hole may be required.
3 = Holding capacity limited by structural rating of anchors.
4 = Holding capacity limited by soil structure.
5 = Not reccomended in these soils.
6 = Wide variation in soil properties reduces prediction accuracy. Pre-construction field test reccomended. |
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