ICC-ES AC358 addresses the corrosion protection of steel helical piles by establishing specific mandates for material thickness and coatings based on three distinct soil corrosivity categories. These requirements ensure the structural integrity and long-term durability of the foundation in various environmental conditions.
The protection strategies for each category include:
By following these thresholds, the AC358 standard ensures that helical piers resist section loss over time, preserving the load path from the structure to the bearing stratum.
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Yes, ICC-ES AC358 specifies rigorous and standardized load testing procedures to verify that helical pier systems perform as designed under field conditions. These protocols ensure that results are reliable and comparable across different projects and testing agencies.The standardized load testing…