Secant pile walls are formed by intersecting reinforced concrete piles – primary piles first, secondary piles cut in between once they gain strength – creating a stiff, water-resisting wall. Touch (contiguous) piles and steel sheet piles provide economical shoring where water cut-off needs differ.
Key features
- Secant pile walls
- Contiguous / touch piles
- Steel sheet piling
- Pile anchors
Applications
- Basement shoring
- Water-bearing ground
- River and canal works
Benefits
- Lower cost than D-wall in suitable soils
- Good water cut-off (secant / sheet)
- Flexible layouts