Application of textile wastes for the production of innovative geotextiles designed for erosion control

Za inovativne zaštitne geotekstile dizajnirana je gruba užad, izrađena od tekstilnog otpada. Užad izrađena od različitih materijala ukopana je u tlo u vremenu od 6 mjeseci. Mehanička svojstva materijala koji su upotrijebljeni za izradu omotača, ovojnice i jezgre užadi ispitana su prije i nakon ukopavanja u tlo, analizirana su i njihova morfolološka svojstva. Utvrđeno je da se vanjska ovojnica izrađena od jute, a vanjski omotač od uvijenog (končanog) sisala i pamuka brzo razgrađuju. Celulozni materijal ne osigurava mahanički integritet užadi nakon ukopavanja u tlo, zbog čega nisu prikladni za ovu vrstu proizvoda. Međutim, vuneni netkani materijal i netkani materijal od rcikliranih vlakana razgrađuju se znatno sporije. Unatoč degradaciji vanjskog omotača užadi očuvan je integritet i zadržana su zaštitna svojstva u tlu tijekom više mjeseci.The coarse ropes designed for production of innovative protective geotextiles were obtained. For the production of ropes textile wastes were used. The ropes made from different materials were buried in the soil for six months. The mechanical parameters of materials forming the sheath and cover of the ropes before and after ground disposal were measured and morphology of the ropes were analysed. It was revealed that jute fabrics used as rope covers as well as sisal and cotton twine used for the formation of outer sheath degrade quickly. Cellulosic materials do not ensure the mechanical integrity of the ropes after ground disposal and are not suitable for the production thereof. On contrary, the wool nonwoven and nonwoven produced from recycled fibres biodegrade much slower. Despite of the degradation of outer sheath the ropes keep their integrity and may maintain their protective function in the ground for several months

Application of textile wastes for the production of innovative geotextiles designed for erosion control

Za inovativne zaštitne geotekstile dizajnirana je gruba užad, izrađena od tekstilnog otpada. Užad izrađena od različitih materijala ukopana je u tlo u vremenu od 6 mjeseci. Mehanička svojstva materijala koji su upotrijebljeni za izradu omotača, ovojnice i jezgre užadi ispitana su prije i nakon ukopavanja u tlo, analizirana su i njihova morfolološka svojstva. Utvrđeno je da se vanjska ovojnica izrađena od jute, a vanjski omotač od uvijenog (končanog) sisala i pamuka brzo razgrađuju. Celulozni materijal ne osigurava mahanički integritet užadi nakon ukopavanja u tlo, zbog čega nisu prikladni za ovu vrstu proizvoda. Međutim, vuneni netkani materijal i netkani materijal od rcikliranih vlakana razgrađuju se znatno sporije. Unatoč degradaciji vanjskog omotača užadi očuvan je integritet i zadržana su zaštitna svojstva u tlu tijekom više mjeseci.The coarse ropes designed for production of innovative protective geotextiles were obtained. For the production of ropes textile wastes were used. The ropes made from different materials were buried in the soil for six months. The mechanical parameters of materials forming the sheath and cover of the ropes before and after ground disposal were measured and morphology of the ropes were analysed. It was revealed that jute fabrics used as rope covers as well as sisal and cotton twine used for the formation of outer sheath degrade quickly. Cellulosic materials do not ensure the mechanical integrity of the ropes after ground disposal and are not suitable for the production thereof. On contrary, the wool nonwoven and nonwoven produced from recycled fibres biodegrade much slower. Despite of the degradation of outer sheath the ropes keep their integrity and may maintain their protective function in the ground for several months

APPLICATION OF GEOTEXTILES FOR THE STABILIZATION OF STEEP SLOPES IN GRAVEL PITS

Innovative geotextiles formed from meandrically arranged ropes were used for the protection of the steep slope in the gravel pit Nieboczowy. The geotextiles from textile wastes were produced. Segments of geotextiles were mounted on the slope in winter. After installing for six months the slope condition was monitored. It was found that immediately after installation the geotextiles prevent the ground sliding. Ropes laterally arranged on the slope absorb significant amounts of water and create microdam system, which slow down a runoff. In spring the geotextiles accelerate the development of vegetation. Lush vegetation covering the entire surface of the slope supports the stabilizing effect of geotextiles. Geotextiles effectively protect the embankment against landslides and the consequences of surface erosion. Geotextiles can be successfully applied in the process of reclamation of disused gravel pits