Pile, Sheet : A pile with a generally slender flat cross section to be driven in the ground or seabed and meshed or interlocked with like members to form diaphragm, wall, or bulkhead
Intergovernmental Oceanographic Commission IOC technical series 37, Tsunami Glossary (A glossary of terms and acronyms used in the tsunami literature - English), , United Nations Educational, Scientific and Cultural Organization UNESCO, Paris, France 1991. http://unesdoc.unesco.org/images/0008/000885/08853 8eb.pdf, (ND/ Tsunami Sci - Brit) {590}