A high-speed transportation system, includes at least one transportation tube having at least one track, at least one capsule configured for travel through the at least one tube between stations, a propulsion system adapted to propel the at least one capsule through the tube, a levitation system ada
A high-speed transportation system, includes at least one transportation tube having at least one track, at least one capsule configured for travel through the at least one tube between stations, a propulsion system adapted to propel the at least one capsule through the tube, a levitation system adapted to levitate the capsule within the tube. The at least one transportation tube is structured and arranged as a net-tension tube.
대표청구항▼
1. A high-speed transportation system, the system comprising: at least one transportation tube having at least one track;at least one capsule configured for travel through the at least one tube between stations;a propulsion system adapted to propel the at least one capsule through the tube;a levitat
1. A high-speed transportation system, the system comprising: at least one transportation tube having at least one track;at least one capsule configured for travel through the at least one tube between stations;a propulsion system adapted to propel the at least one capsule through the tube;a levitation system adapted to levitate the capsule within the tube,wherein the at least one transportation tube is structured and arranged as a net-tension tube. 2. The high-speed transportation system of claim 1, wherein the at least one transportation tube comprises two tubes in a side-by-side configuration. 3. The high-speed transportation system of claim 1, wherein the at least one transportation tube comprises one tube with two discrete capsule passageways. 4. The high-speed transportation system of claim 1, wherein the at least one transportation tube comprises one tube with four discrete capsule passageways. 5. The high-speed transportation system of claim 1, wherein the at least one tube comprises a walkway configured for passengers arranged adjacent the track. 6. The high-speed transportation system of claim 1, wherein the at least one tube is formed from uniform thickness steel or a metal-composite material. 7. The high-speed transportation system of claim 1, further comprising a plurality of supports spaced along a path of the at least one tube to support the at least one tube at an elevation above ground. 8. The high-speed transportation system of claim 7, wherein the at least one tube is self-supporting between adjacent supports. 9. The high-speed transportation system of claim 7, further comprising a support structure arranged between adjacent supports, above the supports and beneath the at least one tube, wherein the support structure is self-supporting and supports the at least one tube between the adjacent supports. 10. The high-speed transportation system of claim 9, wherein each tube between adjacent supports is configured for handling dynamic forces expected within and outside the tube, and wherein the support structure between the adjacent supports is configured for handling the static forces of the weight of the tube and support structure and for dynamic forces acting within and outside the tube. 11. The high-speed transportation system of claim 1, wherein the at least one tube comprises an inner layer and an outer layer, with a middle layer between the inner layer and the outer layer. 12. The high-speed transportation system of claim 11, wherein the inner layer and the outer layer comprise a metal and the middle layer comprises a foam material. 13. The high-speed transportation system of claim 1, wherein the net-tensioned tube comprises at least one compression member extending between different points on an inner wall of the tube, the compression member creating a restrained load that induces tension in an outer wall of the tube. 14. The high-speed transportation system of claim 13, wherein the at least one compression member comprises two compression members positioned orthogonally relative to each other. 15. The high-speed transportation system of claim 1, wherein the at least one tube comprises a plurality of tube sections, wherein the tube sections comprise uniform tube configurations along a transportation route between stations. 16. The high-speed transportation system of claim 1, wherein uniform tube configurations comprise tubes having approximately the same outer diameter and wall thickness. 17. The high-speed transportation system of claim 1, wherein the at least one tube comprises a plurality of tube sections, at least some of the tube sections comprising differing tube configurations along a transportation route between stations. 18. The high-speed transportation system of claim 1, wherein the at least one tube comprises a uniform wall thickness and diameter along a transportation route between stations. 19. The high-speed transportation system of claim 1, wherein the at least one tube comprises one or more portions having different wall cross-sectional areas at different positions along a transportation route between stations so as to vary an airflow passage around the capsule within the tube. 20. The high-speed transportation system of claim 19, wherein the different wall cross-sectional areas are created by different wall thicknesses at the different positions. 21. The high-speed transportation system of claim 19, wherein the different wall cross-sectional areas are created by different tube diameters at the different positions. 22. The high-speed transportation system of claim 1, wherein the at least one tube comprises one or more portions having different wall thicknesses configured for different expected loads. 23. A high-speed transportation system, the system comprising: at least one transportation tube having at least one track;at least one capsule configured for travel through the at least one tube between stations;a propulsion system adapted to propel the at least one capsule through the tube;a levitation system adapted to levitate the capsule within the tube,wherein the at least one tube comprises an inner layer and an outer layer, and a middle layer positioned between the inner layer and the outer layer, andwherein the at least one transportation tube is structured and arranged as a net-tension tube. 24. The high-speed transportation system of claim 23, wherein the inner layer is selected and/or configured for exposure to an interior environment of the tube and the outer layer is selected and/or configured exposure to an exterior environment of the tube. 25. The high-speed transportation system of claim 23, wherein the inner layer and the outer layer comprise metals and the middle layer comprises a foam material. 26. The high-speed transportation system of claim 25, wherein the foam material comprises a foamed metal material. 27. The high-speed transportation system of claim 25, wherein the foam material at least one of reduces thermal conductivity, increases stiffness, increases strength, and reduces weight of the tube. 28. A method of manufacturing a tensioned tube comprising an inner wall and an outer structure, the method comprising: expanding the inner wall through a loading process;attaching the outer structure to the expanded inner wall as the loading process is completed, creating a net compression state in the outer structure and a net tension state in the inner wall. 29. The method of claim 28, wherein the loading process comprises applying at least one of internal pressure and heat to the inner wall.
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