Secant/Tangent Piles

Secant pile walls are essentially a series of intersecting reinforced concrete piles that are forming a continuous wall. They are reinforced with either steel rebar or with steel beams and are constructed by drilling or augering methods. Typical construction involves the construction of primary and secondary piles. Secondary piles are built in between primary piles, so that a continuous wall (without construction joints). They have excellent vertical and horizontal load capacity and are used as groundwater barriers, retaining walls, or foundation systems.

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