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Pilings

What type of piling may be used as a ditch blocking or channel erosion control?
A. Wood piles, B. Steel sheet piling, C. Plastic piling, D. Water inflated cofferdam, E. All of the above, F. None of the above


Answer is E. All of the above may be employed: steel and plastic sheet piling is more traditional.

A newer form of plastic piling allows timber or steel reinforcement in interlocking cells. Water inflated type is easily re-usable and can hold back about 6.5ft or 2m of depth.
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