copyright 2011 – magnum piering, inc. helical pile load testing howard a. perko, ph.d., p.e....
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Copyright 2011 – Magnum Piering, Inc.
Helical Pile Load Testing
Howard A. Perko, Ph.D., P.E.Magnum Geo-Solutions, LLC
Copyright 2011 – Magnum Piering, Inc., All Rights reserved. May be distributed
and printed by express written permission of the author only.
MAGNUM Informational Bulletin ISO-MHP5-11A
Copyright 2011 – Magnum Piering, Inc.
• Compression Load Test• Tension Load Test• Load Test Interpretation• Contact Information
Outline
Copyright 2011 – Magnum Piering, Inc.
Compression Load Tests
ASTM D1143
Demonstration of a compression load test on a helical pile.
Copyright 2011 – Magnum Piering, Inc.
ASTM D3689
Tension Load Tests
Demonstration of a tension load test on a helical anchor .
Copyright 2011 – Magnum Piering, Inc.
Comparison between
Standard Davisson
(1972)
and
Modified Davisson
(ICC-ES, 2007)
Load Test Interpretation
0
5
10
15
20
25
30
35
40
0 0.5 1 1.5 2 2.5
Displacement (in)
Ap
plie
d L
oad
(K
ips)
Load Limit= 18 kips [80 kN]Standard
Load Limit= 32 kips [142 kN]Modified
Note: 1 kip= 4.45 kN, 1 in= 25.4 mm
Copyright 2011 – Magnum Piering, Inc.
Contact InformationMagnum Piering, Inc.
www.magnumpiering.com800-822-PIER (7437)
6082 Schumacher Park DriveWest Chester, OH 45069
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