Steel sheet pile is a steel section with locking mouth, its cross-section has a straight plate shape, groove and Z-shaped, etc., with various sizes and interlocking forms. The common ones are Larson type, Lackawanna type and so on. Its advantages are: high strength, easy to penetrate into the hard soil layer; can be constructed in deep water, if necessary, with oblique support to become a cage. It has good waterproof performance; it can form cofferdams of various shapes as required and can be reused many times, so it is widely used.

L-type steel sheet pile

L-shape is mainly used to support embankments, dyke walls, ditches and trenches.

The section is light, the pile wall occupies little space, the locking is in the same direction, and the construction is convenient. It is suitable for municipal engineering excavation construction.