A truss structure may include a plurality of load bearing members, or force members, that are joined at a plurality of nodes to define a load bearing structure. The truss structure may include a plurality of longitudinal members extending in parallel along a longitudinal length of the truss structur
A truss structure may include a plurality of load bearing members, or force members, that are joined at a plurality of nodes to define a load bearing structure. The truss structure may include a plurality of longitudinal members extending in parallel along a longitudinal length of the truss structure, and a plurality of transverse members, joined to the plurality of longitudinal members at nodes, and extending between the plurality of longitudinal members. The plurality of transverse members may provide buckling support to the plurality of longitudinal members, so that an axial load, or compressive load, or buckling load, may be effectively carried by the truss structure.
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1. A three-dimensional (3D) load bearing structure, comprising: a transverse frame including a plurality of transverse members sequentially arranged so as to define a plurality of 3D polyhedral structures arranged in a helical pattern along a longitudinal direction of the load bearing structure; and
1. A three-dimensional (3D) load bearing structure, comprising: a transverse frame including a plurality of transverse members sequentially arranged so as to define a plurality of 3D polyhedral structures arranged in a helical pattern along a longitudinal direction of the load bearing structure; anda plurality of longitudinal members integrally coupled with the transverse frame, wherein the plurality of longitudinal members are arranged in parallel to a central longitudinal axis of the load bearing structure, and extend longitudinally along a length of the transverse frame, andeach of the plurality of longitudinal members is integrally coupled, at a corresponding point of intersection, to a corresponding outer peripheral portion of a transverse member of the plurality of transverse members defining the plurality of 3D polyhedral structures of the transverse frame,wherein the integral coupling between the plurality of longitudinal members and the transverse frame includes an integral weaving of a plurality of longitudinal fibers of the plurality of longitudinal members and a plurality of transverse fibers of the plurality of transverse members at the respective points of intersection, andwherein a fiber pattern at each of the points of intersection includes: a first section including an interweaving of a first portion of the transverse fibers of the respective transverse member and a first portion of the longitudinal fibers of the respective longitudinal member;a second section adjacent to the first section, the second section including an arrangement of a second portion of the longitudinal fibers of the respective longitudinal member; anda third section adjacent to the second section, the third section including an interweaving of a second portion of the transverse fibers of the respective transverse member and a third portion of the longitudinal fibers of the respective longitudinal member. 2. The structure of claim 1, wherein each of the plurality of longitudinal members is integrally coupled to the corresponding outer peripheral portion of the respective transverse member at a point at which a contour of the plurality of transverse members of the 3D polyhedral structure changes direction. 3. The structure of claim 1, wherein each of the plurality of longitudinal members is integrally coupled to the corresponding outer peripheral portion of the respective transverse member at a point at which a contour of the plurality of transverse members of the 3D polyhedral structure forms an apex. 4. The structure of claim 1, wherein the plurality of longitudinal fibers and the plurality of transverse fibers are pre-impregnated carbon fibers. 5. The structure of claim 1, wherein the fiber pattern at each of the intersection points includes: the first section, including approximately 50% of the transverse fibers of the respective transverse member interwoven with approximately 25% of the longitudinal fibers of the respective longitudinal member,the second section adjacent to the first section, the second section including approximately 50% of the longitudinal fibers of the respective longitudinal member; andthe third section adjacent to the second section, the third section including approximately 50% of the transverse fibers of the respective transverse member interwoven with approximately 25% of the longitudinal fibers of the respective longitudinal member. 6. The structure of claim 1, wherein a cross-sectional shape of each of the plurality of longitudinal members is triangular, anda cross-sectional shape of each of the plurality of transverse members is triangular. 7. The structure of claim 1, wherein a cross-sectional shape of each of the plurality of longitudinal members is substantially circular, anda cross-sectional shape of each of the plurality of transverse members is substantially circular. 8. The structure of claim 1, wherein the plurality of longitudinal members are arranged symmetrically about a central longitudinal plane of the load bearing structure. 9. The structure of claim 1, wherein each 3D polyhedral structure includes three transverse members connected end-to-end to define a triangular structure,the plurality of longitudinal members includes six longitudinal members extending along the longitudinal length of the load bearing structure, and in parallel to the central longitudinal axis of the load bearing structure, andthe six longitudinal members intersect each of the triangular structures of each of the 3D polyhedral structures at six respective intersection points, each of the six respective intersection points being at an intersection of two adjacent transverse members. 10. The structure of claim 1, wherein each 3D polyhedral structure includes four transverse members connected end-to-end to define a rectangular structure,the plurality of longitudinal members includes eight longitudinal members extending along the longitudinal length of the load bearing structure, and in parallel to the central longitudinal axis of the load bearing structure, andthe eight longitudinal members intersect each of the rectangular structures of each of the 3D polyhedral structures at eight respective intersection points, each of the eight respective intersection points being at an intersection of two adjacent transverse members. 11. The structure of claim 1, wherein a polygonal contour of each of the plurality of 3D polyhedral structures is substantially the same. 12. The structure of claim 11, wherein each 3D polyhedral structure of the plurality of 3D polyhedral structures has the same orientation about the central longitudinal axis of the load bearing structure.
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