Sheet pile design must account for earth, water, and adjacent structures. Sheet pile design can be straightforward in simple cases, and quite complex in some other conditions. Many unknowns and factors that influence the behavior of the sheet pile wall. Typically, there are two systems in sheet pile wall that must be designed: A) the sheet pile wall that retains the earth and water ( etc.), and b) the Support System (i.e. the internal or external bracing such as rakers, struts, or tiebacks) that supports the sheet pile wall.
(This article comes from Deep Excavation editor released)