Steel sheet pile walls are constructed by driving steel sheets into a slope or excavation. Their most common use is within temporary deep excavations. They are considered to be most economical where retention of higher earth pressures of soft soils is required.
They have an important advantage in that they can be driven to depths below the excavation bottom and so provide a control to heaving in soft clays or piping in saturated sands. This is not possible with the Soldier pile which is also a more permeable structure. However sheet piles are more costly and less adaptable to hard driving conditions particularly where boulders or irregular rock surfaces occur.
They have an important advantage in that they can be driven to depths below the excavation bottom and so provide a control to heaving in soft clays or piping in saturated sands. This is not possible with the Soldier pile which is also a more permeable structure. However sheet piles are more costly and less adaptable to hard driving conditions particularly where boulders or irregular rock surfaces occur.
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