Abstract
An eco-friendly shore protection system for preventing the erosion of shore surfaces has been developed using water permeable geocomposites that allow grass to take root in them. The geocomposites require enough stiffness to resist the flow of the water in the stream and good permeability of the flowing water. In this study, a geocomposite is designed using multi-axial warp knitted fabric (MAWKF) and nonwoven mats to ensure both the mechanical stiffness and water absorption. Firstly, a stress analysis is performed for a shore protection system to calculate stresses which are imposed onto geocomposites. To test geocomposites’ capacity to withstand the stress, the geometrical modeling of a MAWKF is carried out and the mechanical behavior of its unit-cell is analyzed using finite element method. Comparing the predicted results with experiments, the validity of the current modeling is demonstrated. Finally the adaptability of the geocomposite is evaluated using the calculated deformation.
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