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.
The primary difference between foundation sinking (settlement) and foundation heaving is the direction of movement and the underlying cause related to soil behavior.Foundation Settlement (Sinking) Settlement is the downward movement of a structure. It occurs when the soil beneath the…
While both tests involve analyzing soil, they serve entirely different purposes and are not interchangeable for structural work. The primary differences include: Primary Purpose: A perc test (percolation test) measures how quickly water drains through soil, which is used solely…
The average price for professional foundation sealing and repair depends primarily on the crack type and the repair method required. Based on industry standards and site-specific data, the general cost ranges are as follows: Epoxy Injection: This method is used…
A professional structural forensic report, prepared by a licensed Professional Engineer (PE), is a comprehensive diagnostic document that identifies the root causes of foundation distress. Unlike a basic contractor walkthrough, this report is based on empirical data collection and structural…
The cost of helical pier installation is influenced by several site-specific and technical variables. Because no two properties have identical ground conditions or structural needs, pricing is typically determined through custom quotes rather than flat rates. Key factors influencing the…
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