Debris shield for geocontainers, method of making, and method of use thereof
Described herein is a protected container employed to prevent soil erosion. The protected container is a geotextile container having a debris shield disposed thereon. The debris shield protects the integrity of the geotextile container by providing a strike barrier which has air and water flow capabilities. The debris shield is a composite fabric comprising a woven protective layer having abrasion resistance and a woven three-dimensional layer which provides impact dampening and energy dissipation.
1. A debris shield comprising at least two layers, one layer being an abrasion resistant woven fabric, and another layer comprising a single-weave three-dimensional, plain 4-layer tubular weave fabric comprising a plurality of intertwined tubular structures and having no more than about a 10% compression at a load of 20 pounds/inch 2 .
2. The debris shield as claimed in claim 1 , wherein the three-dimensional fabric comprises yarns having a size between about 500 denier and about 5,000 denier.
3. The debris shield as claimed in claim 1 , wherein the three-dimensional fabric comprises shrink yarns having a size in a range between about 150 denier and about 1,800 denier.
4. The debris shield as claimed in claim 1 , wherein the three-dimensional fabric comprises shrink yarns having a size in a range between about 200 and about 1,800 denier.
5. The debris shield as claimed in claim 1 , wherein the three-dimensional fabric comprises a thickness between about 150 mils and about 1,200 mils.
6. The debris shield as claimed in claim 1 , wherein the three-dimensional fabric comprises a weight of about 18 ounces/yard 2 .
7. The debris shield as claimed in claim 1 , wherein the three-dimensional fabric comprises a weight of 16 ounces/yard 2 ±5 ounces/yard 2 .
8. The debris shield as claimed in claim 1 , wherein the three-dimensional fabric has a 10% compression at a load of 20 pounds/inch 2 .
9. The debris shield as claimed in claim 1 , wherein the three-dimensional fabric has a 10% compression at a load of 25 pounds/inch 2 .
10. The debris shield as claimed in claim 1 , wherein the three-dimensional fabric has no more than about a 10% compression at a load of 25 pounds/inch 2 .
11. The debris shield as claimed in claim 1 , wherein the three-dimensional fabric has no more than about a 10% compression at a load of 32 pounds/inch 2 .
12. The debris shield as claimed in claim 1 , wherein the three-dimensional fabric has no more than about a 25% compression at a load of 38 pounds/inch 2 .
13. The debris shield as claimed in claim 1 , wherein the three-dimensional fabric has no more than about a 50% compression at a load of 45 pounds/inch 2 .
14. The debris shield as claimed in claim 1 , wherein the three-dimensional fabric has no more than about a 10% compression at a load of 32 pounds/inch 2 , no more than about a 25% compression at a load of 38 pounds/inch 2 , and no more than about a 50% compression at a load of 45 pounds/inch 2 .
15. The debris shield as claimed in claim 1 , wherein the abrasion resistant woven fabric comprises a high abrasion resistant yarn.
16. The debris shield as claimed in claim 1 , wherein the abrasion resistant woven fabric comprises a high abrasion resistant and high ultraviolet radiation resistant yarn.
17. The debris shield as claimed in claim 1 , wherein the abrasion resistant woven fabric comprises polypropylene.
18. The debris shield as claimed in claim 1 , wherein the abrasion resistant woven fabric has a thickness between about 50 mils and about 250 mils.
19. The debris shield as claimed in claim 1 , wherein the abrasion resistant woven fabric has a thickness of at least 80 mils.
20. A protected geocontainer comprising: a geotextile container for receiving and retaining soil, water, or both soil and water, and a debris shield as claimed in claim 1 disposed over at least a portion of the geotextile container.
21. A debris shield comprising at least two layers, one layer being an abrasion resistant woven fabric, and another layer comprising a single-weave three-dimensional, plain 4-layer tubular weave fabric comprising a plurality of intertwined tubular structures and having no more than about a 10% compression at a load of 32 pounds/inch and an air flow of at least 700 cubic feet/minute.
22. The debris shield as claimed in claim 21 , wherein the three-dimensional fabric has an air flow of at least 800 cubic feet/minute.
23. The debris shield as claimed in claim 21 , wherein the three-dimensional fabric has an air flow of at least 900 cubic feet/minute.
24. The debris shield as claimed in claim 21 , wherein the three-dimensional fabric has an air flow of at least 1,000 cubic feet/minute.
25. The debris shield as claimed in claim 21 , wherein the three-dimensional fabric has a water flow between about 20 gallons per minute/foot 2 and about 350 gallons per minute/foot 2 .
26. The debris shield as claimed in claim 21 , wherein the three-dimensional fabric has a water flow of at least 200 gallons per minute/foot 2 .
27. A protected geocontainer comprising: a geotextile container for receiving and retaining soil, water, or both soil and water, and a debris shield as claimed in claim 21 disposed over at least a portion of the geotextile container.
28. A debris shield comprising at least two layers, one layer being an abrasion resistant woven fabric and another layer comprising a single-weave three-dimensional, plain 4-layer tubular weave fabric comprising a plurality of intertwined tubular structures and having no more than about a 10% compression at a load of 32 pounds/inch, a water flow between about 20 gallons per minute/foot 2 and about 350 gallons per minute/foot 2 , and an air flow of at least 750 cubic feet/minute.
29. The debris shield as claimed in claim 28 , wherein the three-dimensional fabric has a water flow of at least 200 gallons per minute/foot 2 and an air flow of at least 800 cubic feet/minute.
30. A protected geo container comprising: a geotextile container for receiving and retaining soil, water, or both soil and water, and a debris shield as claimed in claim 28 disposed over at least a portion of the geotextile container.
31. A debris shield comprising at least two layers, one layer being an abrasion resistant woven fabric and another layer comprising a three-dimensional, plain 4-layer tubular weave fabric having an air flow of at least 750 cubic feet/minute, the debris shield having an impact resistance of at least 105 feet/second as measured in accordance with American Society for Testing and Materials International (ASTM International) Standards E1886-05 and E1996-12.
32. The debris shield as claimed in claim 31 , wherein the debris shield has an impact resistance of at least 110 feet/second as measured in accordance with ASTM International Standards E1886-05 and E1996-12.
33. The debris shield as claimed in claim 31 , wherein the debris shield has an impact resistance of at least 115 feet/second as measured in accordance with ASTM International Standards E1886-05 and E1996-12.
34. The debris shield as claimed in claim 31 , wherein the debris shield has an impact resistance of at least 120 feet/second as measured in accordance with ASTM International Standards E1886-05 and E1996-12.
35. The debris shield as claimed in claim 31 , wherein the debris shield has an impact resistance of at least 125 feet/second as measured in accordance with ASTM International Standards E1886-05 and E1996-12.
36. A protected geo container comprising: a geotextile container for receiving and retaining soil, water, or both soil and water, and a debris shield as claimed in claim 31 disposed over at least a portion of the geotextile container.
37. A debris shield comprising at least two layers, one layer being an abrasion resistant woven fabric, and another layer comprising a single-weave three-dimensional, plain 4-layer tubular weave fabric comprising polypropylene yarn and polyethylene yarn and having no more than about a 10% compression at a load of 20 pounds/inch 2 .
38. A debris shield comprising at least two layers, one layer being an abrasion resistant woven fabric, and another layer comprising a single-weave three-dimensional, plain 4-layer tubular weave fabric comprising at least one shrink yarn and at least one non-shrink yarn and having no more than about a 10% compression at a load of 20 pounds/inch 2 .
39. A debris shield comprising at least two layers, one layer being an abrasion resistant woven fabric, and another layer comprising a single-weave three-dimensional, plain 4-layer tubular weave fabric comprising non-shrink yarns having a size in a range between about 8 mils and about 30 mils and having no more than about a 10% compression at a load of 20 pounds/inch 2 .
40. A debris shield comprising at least two layers, one layer being an abrasion resistant woven fabric, and another layer comprising a single-weave three-dimensional, plain 4-layer tubular weave fabric comprising 20 mil, round polypropylene yarn and 315 denier, round low density polyethylene monofilament and having no more than about a 10% compression at a load of 20 pounds/inch 2 .
41. A debris shield comprising at least two layers, one layer being an abrasion resistant woven fabric, and another layer comprising a single-weave three-dimensional, plain 4-layer tubular weave fabric comprising a thickness of about 500 mils and having no more than about a 10% compression at a load of 20 pounds/inch 2 .