Abstract
Sheep wool was used for the production of innovative geotextiles designed to erosion control. The Kemafil ropes filled with wool, which are used for the production of geotextiles were buried in the ground. During ground disposal the susceptibility of wool to biodegradation was observed. The basic geometrical and mechanical parameters of wool fibres as well as their chemical composition and the surface morphology were analysed. It was observed that the ground disposal causes the decrease of breaking force of fibres and the destruction of scales on their surface. Within four months the biodegradation reaches the first stage consisting in cleavage of disulfide bonds of keratin. The rapid biodegradation is observed in fibres mechanically damaged. In the presence of the hydrogel the biodegradation is delayed. After four months, despite observed biodegradation of wool, the ropes maintain their ability to fulfil the erosion protection function.
Published Version
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