About Load Capacity
Determining load capacity is an inexact science limited by an inexact environment, but carefully conducted testing can provide useful decision-making input. An awareness of the many variables involved can further guide an informed choice of an effective anchoring solution.
Due to the array of unknowns both below and above the surface of any anchoring application – the soil medium, installation method, local climate, connections to the anchored structure – no one can guarantee a specific holding strength. Our published load capacity numbers, tested in actual field conditions to the best standards that real dirt can provide, are offered as an informed guideline, not a guarantee.
Load capacity is not a simple function of “soil class” (the general type of soil, listed at the lower left of these strength charts) but also of real-time moisture content, compaction, root penetration, installation method, pullout load angle, and other factors unique to the installation’s time and place.
The only method of accurately predicting the pullout capacity of any anchor at any specific site is by an on-site proof test of the anchor under local conditions, installed and loaded in the same manner as for the intended application.
Please contact us with any questions you may have about the challenges, unknowns, and choices involved in your anchoring application.
Penetrator Load Capacity Chart - US lbs
Notes about Penetrator Load Capacity
- Field-tested vertical PULLOUT strength
- PUSHDOWN strength (as when Penetrators are used for footings) is typically equal to or greater than pullout strength because of unlimited undisturbed soil below the Penetrator
- When installed through asphalt, pullout strength is increased because of the Penetrator's grip in the asphalt and in the compacted soil directly below the asphalt