The deterioration of concrete, steel, and timber is a serious hindrance to construction in marine and corrosive environments. Polymeric materials such as fiber-reinforced polymers (FRP) can offer performance advantages for construction in these environments. As a result, There has been increasing interest in the use of recycled polymer composites as a replacement for timber piling in coastal and waterfront environments. This trend is expected to grow because polymeric piling is more attractive than timber when life cycle costs are factored in, and also because polymeric piling is a creative method for the recycling and reuse of tons of plastic waste. Polymeric piling is typically made of high density polyethylene (HDPE) and reinforced with fiber reinforced polymer E-glass (FRP) or steel.
Polymeric piling does not have a long track record of use in civil engineering structures. As a result designers have concerns related to durability, creep, and engineering performance of plastic piling. This wiki summarizes work done by Professor Iskander and his students at NYU Tandon School of Engineering (formerly Polytechnic Institute/University) in Brooklyn New York to advance the state of the art in polymeric piling practice, by systematically addressing the aforementioned concerns.
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Primary References
- Iskander, M. (2012). “Sustainable piling made of recycled polymers, state of the art review,” Journal of ASTM International, Vol. 9, No. 2, doi: 10.1520/JAI103677, ASTM.
- Iskander, M., and M. Hassan (1998). “State of the practice review in FRP composite piling,” Journal of Composites for Construction, Vol. 2, No. 3, pp. 116–120, ASCE.
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