Sometimes a man-made marine structure is made that extends out from the water level, termed as dolphin is also used to protect structures from the possible impact by ships. These are constructed by driving piles in a line and are connected above water level.
Fender piles can be of wood, steel or concrete depending on the design criteria. In case of concrete piles the prestressing can also be used to increase the fending capacity. Timber fender piles are less expensive initially than the steel fender piles and also require less long-term maintenance.
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What are fender Piles?