Helical Pile MH939
Helical Pile MH939
Helical Pile MH939

MH939U-6 Helical Piles 220 Ton Ultimate – 110 Ton Allowable Capacity

Round shafts found in the MH939U-6 Helical Piles, offer increased lateral and buckling resistance compared to square shafts. Patented alternating helix pattern reduces wobble and improves plumbness and tracking. 45-degree miter pilot point aids pile positioning and advancement. Patented MAGNUM® Dual-Cutting Edge helical bearing plates (DCE) enhance penetration through dense soils with occasional cobbles and debris. Sharpened edge on each helix slices through problem soils. True helix shape limits auguring and provides better quality assurance through valid capacity to torque correlations.

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Description

Helical piers shall be installed to appropriate depth into suitable bearing stratum as determined by geotechnical engineer or local practice. Capacity by torque is based on advancing pier to maximum installation torque. A minimum factor of safety of 2.0 is recommended for determining allowable capacity from correlations with final installation torque. Deflections of 0.5" are typical at allowable capacity; a higher factor of safety may be required to achieve smaller deflections. For tension capacity, helical bearing plates must be deeply embedded (5 ~ 7 x ave. helix diameter or as specified by geotechnical engineer).
Load tests are recommended when practical.

Additional information

Shaft

Helices

5/8” Thick, Helix Die-Pressed ASTM A36, or Better 16", 20", 24", 30", 36", & 42" Diameters Available
Coating

Pitch

6"
Ultimate Capacity-to-Torque Ratio

3.0 ft-1
Maximum Installation Torque

170,400 ft-lbs
Capacity by Torque

220 Tons Ultimate Capacity 110 Tons Allowable Capacity
Structural Capacity

220 Tons Ultimate Capacity 110 Tons Allowable Capacity

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