DRAINAGE DEVICE FOR PORE WATER WITH EXCELLENT DRAINAGE ABILITY

摘要

PURPOSE: A drainage device for pore water is provided to prevent a core member from getting bent by external force, and to maximally maintain drainage ability by forming support protrusions.;CONSTITUTION: A drainage device for pore water comprises a core member and a filter member(120). The core member comprises multiple water ways(112), a plate-shaped body(111), and protrusions(113). The protrusions are formed on both surfaces of the plate-shaped body and forms the water ways. The support protrusions are formed in the ends of the protrusions and support the filter member. The filter member covers the core member and filters external substances.;COPYRIGHT KIPO 2010