Helical Pile Projects Database
This page contains a series of helical pile load tests, examples, training videos, and knowledge articles on helical piles and their design.
Helical pile load tests benchmarked with HelixPile
We would like to thank the following companies for sharing load test data with us: EBS Geostructural, Pile Dynamics Inc, Rockridge Geotechnical, Empire Piers.
ID | Location | Country | Load Test |
Max. Load (kips) |
Max. Settle. (in) |
Bearing soil layer properties | Best method | ||||||||
Soil | NSPT | c' (psf) | Φ' (deg) | Su (psf) | γtot (pcf) |
Soil Model |
E (ksf) | exp | |||||||
001 | |||||||||||||||
002 |
Rock: Oakland, CA |
USA | Dense sands | 200 | 43 | - | 130 | EXP | 2000 | 0,4 | Meyerhoff | ||||
003 | Pennsylvania | USA | Test#1 | 160 | 1.541 | Dense glacial till | 50 | 75 | 36,5 | - | 125 | EXP | 400 | 0.4 | Meyerhoff |
TP1 | 50 | 0.542 | Dense glacial till | 35 | 0 | 35 | - | 125 | EXP | 500 | 0.4 | Vesic | |||
004 | Pennsylvania | USA | Test#1 | 70 | 0.296 | Dense sand | 44 | 350 | 46 | - | 130 | EXP | 800 | 0.4 | Vesic |
005 | NY | USA | TP2: 1st Ave | 80 | 1.613 | Medium dense sand | 26 | 0 | 34 | - | 125 | EXP | 500 | 0.45 | Vesic |
TP1: Broad Road | 80 | 1.019 | Dense glacial till | 45 | 100 | 36 | - | 125 | EXP | 1000 | 0.4 |
Buckling issue |
|||
006 |
Massachusetts |
USA | HP 5 | 24.3 | 0,61 | Soft organic clay/peat | - | - | - | 2500 | 125 | EXP | 500 | 1 | Meyerhoff |
HP 18 ft | 10.3 | 0.55 | Varved clay (glacial) | - | - | - | 1200 | 120 | Linear | 60 | - | Meyerhoff | |||
007 | Pennsylvania | USA | Test#1 | 160 | 1.541 | Dense glacial till | 27 | 250 | 42.5 | - | 130 | EXP | 350 | 0.4 | Meyerhoff |
008 | NY | USA | TEST 1 | 210 | 1.697 | Decomposed bedrock | - | 300 | 36,5 | - | 135 | EXP | 1500 | 0,35 | Vesic |
009 | |||||||||||||||
010 |
Massachusetts |
USA | 52-10 | 219 | 1.25 | Dense glacial till | - | - | - | 5000 | 130 | Exponential | 300 | 0,5 | Meyerhoff |
011 | EBS: Toronto ON | CAN | TEST_TP2 | 180 | 0.867 | Clayey Silt | 50 | 400 | 38 | - | 130 | EXP | 1200 | 0,35 | Meyerhoff |
012 | EBS: Toronto ON | CAN | TEST_TP2 | 166 | 1.291 | Sand and Gravel | 53 | 200 | 45 | - | 135 | EXP | 400 | 0,4 | Meyerhoff |
013 | EBS: Toronto ON | CAN | Test#1 | 45 | 0.216 | Sand | 35 | 300 | 40 | - | 130 | EXP | 1000 | 0,35 | Meyerhoff |
Test#2 | 108 | 0.806 | Sand | 5 | 300 | 43 | - | 135 | Linear | 1200 | - | Meyerhoff | |||
014 | EBS: Toronto ON | CAN | Test#1 | 144.2 | 1.917 | Till | 2 | 600 | 46 | - | 135 | EXP | 400 | 0,35 | Meyerhoff |
Test#2 | 162.3 | 2.978 | Till | 2 | 600 | 46 | - | 135 | EXP | 500 | 0,35 | Meyerhoff | |||
015 | EBS: Toronto ON | CAN | Test#1 | 48.8 | 1.122 | Sandy silt | 15 | 300 | 32 | - | 120 | Linear | 250 | - | Meyerhoff |
Test#2 | 48,8 | 1.16 | Sand/Silty sand | 47 | 200 | 36 | - | 125 | Linear | 400 | - | Meyerhoff | |||
Test#3 | 48.8 | 1.266 | Sand/Silty sand | 47 | 200 | 37 | - | 125 | Linear | 280 | - | Meyerhoff/Ko | |||
016 | EBS: Toronto ON | CAN | Test#1 | 90 | 0.635 | Clayey Silt | 6 | 200 | 34 | - | 125 | EXP | 500 | 0,35 | Meyerhoff |
Test#2 | 130.5 | 0.965 | Clayey Silt | 30 | 200 | 40 | - | 130 | EXP | 600 | 0,35 | Meyerhoff | |||
017 | EBS: Toronto ON | CAN | TEST_TP2 | 110 | 0,209 | Silty Clay | 33 | - | - | 8000 | 120 | EXP | 1200 | 0,8 | Meyerhoff |
018 | EBS: Toronto ON | CAN | TEST_TP2 | 144.1 | 1.544 | Shale | 24 | 1100 | 42 | - | 140 | Linear | 670 | - | Meyerhoff |
019 | EBS: Toronto ON | CAN | Test#1 | 92 | 0.369 | Silty Sand | 53 | 200 | 38 | - | 125 | EXP | 800 | 0,3 | Meyerhoff |
Test#2 | 103 | 0.269 | Silty Sand | 53 | 300 | 42 | - | 130 | EXP | 1000 | 0,35 | Meyerhoff | |||
020 | EBS: Toronto ON | CAN | Test#1 | 201.4 | 1.663 | Silty Clay | 65 | 800 | 42 | - | 130 | Linear | 700 | - | Meyerhoff |
Test#2 | 304 | 1.675 | Silt till | 30 | 1000 | 42 | - | 135 | EXP | 500 | 0,75 | Meyerhoff | |||
021 | EBS: Toronto ON | CAN | TEST_TP2 | 80 | 0.862 | Sandy silt | 65 | 1000 | 48 | - | 133 | Linear | 600 | - | Meyerhoff |
022 | EBS: Toronto ON | CAN | TEST_TP2 | 150.1 | 0.833 | Silty fine sand | 100 | 200 | 42 | - | 130 | Linear | 700 | - | Meyerhoff |
023 | EBS: Toronto ON | CAN | Test#1 | 100 | 0.331 | Clayey Silt Till | 25 | 800 | 42 | - | 135 | Linear | 1100 | - | Meyerhoff |
Test#2 | 100 | 0.503 | Clayey Silt Till | 25 | 4000 | 35 | - | 133 | Linear | 500 | - | Meyerhoff | |||
024 | EBS: Toronto ON | CAN | TEST_TP2 | 150 | 0.971 | Shale | 100 | 1200 | 38 | - | 140 | Linear | 1500 | - | Meyerhoff |
025 | EBS: Toronto ON | CAN | TEST_TP2 | 22 | 0.284 | Clay | 33 | - | - | 1500 | 125 | EXP | 200 | 0,75 | No match |
026 | EBS: Toronto ON | CAN | TEST_TP2 | 120 | 1.589 | Silty Clay Till | 9 | 850 | 40 | - | 133 | Linear | 250 | - | Meyerhoff |
027 | EBS: Toronto ON | CAN | TEST_TP2 | 194 | 1.091 | Sandy silt | 27 | 3000 | 50 | - | 135 | EXP | 1200 | 0.4 | Meyerhoff |
028 | EBS: Brampton ON | CAN | TEST_TP2 | 77.5 | 0.485 | Clayey Silt Till | 50 | 1000 | 44 | - | 135 | EXP | 600 | 0,4 | Meyerhoff |
029 | EBS: Midland ON | CAN | Test#1 | 190 | 1.145 | Till | 37 | 300 | 42 | - | 130 | EXP | 1500 | 0,35 | Vesic |
Test#2 | 200 | 1.225 | Till | 100 | 400 | 42 | - | 135 | EXP | 1500 | 0,35 | Meyrhoff | |||
030 | EBS: Midland ON | CAN | Test#1 | 151 | 0.971 | Silty sand till | 30 | 250 | 42 | - | 135 | Linear | 400 | - | Vesic |
Test#2 | 119 | 1.037 | Gravel | 37 | 0 | 47 | - | 130 | Linear | 500 | 0,35 | Meyerhoff | |||
031 | EBS: Gravenhurst ON | CAN | TEST 1 | 44 | 0.289 | Soft silty clay | 15 | - | - | 1900 | 120 | EXP | 450 | 1 | Vesic |
032 | EBS: Worthington ON | CAN | TEST 1 | 64,8 | 1.498 | Sand | 24 | 100 | 32 | - | 125 | EXP | 400 | 0.4 | Vesic |
033 | EBS: ON | CAN | TEST 1 | 79,1 | 0.985 | Clay | 25 | - | - | 9000 | 135 | EXP | 400 | 0.75 | Vesic |
034 | EBS: St Hammilton ON | CAN | TEST 1 | 112 | 0.293 | Rock | 100 | 10000 | 39 | - | 160 | EXP | 5000 | 0,7 | Meyerhoff |
035 | EBS: Guelph ON | CAN | Test#1 | 166 | 1.076 | Silty sand till | 35 | 500 | 44 | - | 135 | EXP | 500 | 0.4 | Meyerhoff |
Test#2 | 166 | 0,859 | Silty sand till | 35 | 500 | 44 | - | 135 | EXP | 500 | 0.4 | Meyerhoff | |||
Test#3 | 200 | 0.556 | Silty sand till | 35 | 500 | 42 | - | 135 | EXP | 500 | 0.4 | Vesic | |||
036 | EBS: Cambridge ON | CAN | Test#1 | 288 | 1.45 | Silty sand till | 70 | 700 | 44 | - | 135 | Linear | 900 | - | Meyerhoff |
Test#2 | 288 | 1.493 | Silty sand till | 30 | 800 | 52 | - | 135 | EXP | 800 | 0.35 | Meyerhoff |