A secant wall consists of two distinct pile types:
One of the primary advantages of secant walls is their ability to act as a groundwater cutoff. The manual emphasizes: Secant Pile Wall Design Manual
A secant pile wall consists of two types of piles: primary (female) and secondary (male). The primary piles are installed first with a specific spacing. Before the primary piles fully cure, the secondary piles are drilled between them, cutting into the concrete of the primary piles to create a locked, interlocking joint. There are two main categories of secant walls: A secant wall consists of two distinct pile
How deep must the wall go? The wall must penetrate deep enough to prevent rotational failure. The manual outlines two approaches: 1. Secant Pile Wall Design Manual