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Load Testing – Helical Feats of Strength

Load testing involves applying weight on a system or device and measuring its response under both normal and potential load conditions. The objective is to determine how a structure will perform beyond standard operational capacity. For helical piles, which derive their load-bearing capacity from both end bearing on the helix plates and skin friction on the shaft, load tests are routinely conducted to establish ultimate and allowable pile capacities, determine pile head movement under load, verify design assumptions and capacities and establish site-specific torque correlation factors (K). ICC-ES AC358 states that full-scale load tests on helical piles shall be conducted in general accordance with the following standards:

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