Claims
- 1. A structural joint comprisinga column disposed as permanent, columnar support of a structure, such as a building, tower and similarly heavy structure, said column having at least two flanges, a beam having two ends, one end disposed near said column and the other end disposed away from said column, a diagonal brace having two ends, one end disposed near said column and the other end disposed away from said column, wherein said structural joint is comprised of two gusset plates disposed in parallel relationship on opposite sides of at least one of said flanges of said column, wherein said gusset plates are in face-to-face relationship with respect to each other, wherein one of said gusset plates extends along one side of said beam and along one side of said diagonal brace; wherein the other of said gusset plates extends along the other side of said beam and along the other side of said diagonal brace, wherein each of said gusset plates is connected to said column by being welded to at least one of said flanges of said column, wherein each said welded connection extends along said at least one flange of said column and each said gusset plate, a distance sufficient to resist severe loads on said welded connection, such as those severe loads, beyond normal gravity loading, caused by one or more disastrous events, such as earthquakes, tornadoes, hurricanes, high winds, blasts, explosions and the like, wherein each of said gusset plates extends substantially beyond said column flange to which it is welded, in the general direction of another flange of said column, wherein each of said gusset plates is fixedly attached with respect to said beam by a connection sufficiently strong to resist severe loads, on said connection between said gusset plates and said beam, such as those severe loads beyond normal gravity loading, such as severe loads caused by one or more of earthquakes, tornadoes, hurricanes, high winds, blasts, explosions and the like, wherein each of said gusset plates is fixedly attached with respect to said diagonal brace by a severe moment-resisting connection, wherein said latter moment-resisting connection resists severe moment loads, on said latter moment-resisting connection, such as those severe moment loads beyond normal gravity loading and caused by one or more of earthquakes, tornadoes, hurricanes high winds, blasts, explosions and the like.
- 2. The structural joint of claim 1, wherein each of said gusset plates extends along the sides of said diagonal brace by an extension which extends diagonally away from said column and said beam, andwherein said severe moment-resisting connection fixedly attaching said gusset plates with respect to said brace, is disposed between said brace and said extensions of said gusset plates.
- 3. The structural joint of claim 2,wherein said severe moment-resisting connection, disposed between said brace and said gusset plates, is comprised of several rows of fasteners, each row having several fasteners connecting said brace to said gusset plates.
- 4. The structural joint of claim 2 wherein said diagonal brace is fixedly attached with respect to said extensions by being welded thereto.
- 5. The structural joint of claim 2 wherein is included a top cover plate and a bottom cover plate,wherein said brace is fixedly attached with respect to said extensions by said brace being bolted to said cover plates, and wherein said cover plates are welded to said extensions.
- 6. The structural joint of claim 2 wherein is included top and bottom cover plates,wherein said diagonal brace is fixedly attached with respect to said extensions by welds between said brace and said cover plates and welds between said cover plates and said extensions.
- 7. The structural joint of claim 6 wherein said welds between said cover plates and said extensions extend along lines substantially parallel to the longitudinal direction of said diagonal brace.
- 8. The structural joint of claim 1,wherein said brace has at least two opposing flanges, and wherein said moment-resisting connection fixedly attaching said gusset plates with respect to said diagonal brace is comprised of a plurality of fasteners disposed in a plurality of rows between said flanges and said gusset plates.
- 9. The structural joint of claim 1, wherein said diagonal brace is comprised of two flanges and at least one web connected between said flanges,wherein one of said gusset plates is fixedly attached with respect to said diagonal brace by being directly attached to one of said flanges of said diagonal brace, and wherein the other of said gusset plates is fixedly attached with respect to said diagonal brace by being directly attached to the other of said flanges of said diagonal brace, and wherein said normal gravity loading includes a portion of the gravity loading on the floors of the building.
- 10. The structural joint of claim 1, wherein said diagonal brace has four edges along its longitudinal length, andwherein said gusset plates are fixedly attached with respect to said diagonal brace by welds between said gusset plates and said edges of said brace, said welds extending along said edges of said diagonal brace, along the longitudinal direction of said brace.
- 11. The structural joint of claim 1, wherein said diagonal brace is comprised of two flanges and a web connected between a top flange and a bottom flange,wherein is included a top cover plate fixedly attached with respect to said top flange, wherein is included a bottom cover plate fixedly attached with respect to said bottom flange, wherein said gusset plates are fixedly attached with respect to said diagonal brace by said cover plates being welded to said gusset plates.
- 12. The structural joint of claim 11, wherein said cover plates are fixedly attached with respect to said diagonal brace by being one of bolted to said diagonal brace and welded to said diagonal brace.
- 13. The structural joint of claim 1, wherein said diagonal brace is comprised of two flanges and at least one web connected between said flanges, andwherein said gusset plates are fixedly attached with respect to said diagonal brace with said diagonal brace being oriented with one flange above the other, and wherein said severe moment-resisting connection between said gusset plates and said brace is comprised of welds disposed between said gusset plates and said brace, wherein said welds extend a distance sufficient to make said severe moment-resisting connection strong enough to develop the full capacity of said brace in strength and ductility.
- 14. The structural joint of claim 13, wherein is included a cover plate on top of the upper flange of said brace and a cover plate on the lower flange of said brace, andwherein said welds, comprising said severe moment-resisting connection between said gusset plates and said brace, are between said gusset plates and said cover plates and between said cover plates and said flanges of said brace.
- 15. The structural joint of claim 1, wherein said brace has two flanges and a web interconnecting said flanges,wherein said gusset plates are fixedly attached with respect to said diagonal brace, at least in part, by at least one pair of shear plates, each shear plate being located opposite the other on the opposite sides of said web of said brace, and wherein said shear plates are fillet welded to said brace and said gusset plates.
- 16. The structural joint of claim 1, wherein said structure has floors, andwherein said columnar support provides support for a portion of the gravity loads acting on said floors of said structure.
- 17. The structural joint of claim 1, wherein said column extends from at, or near, the bottom of said structure.
- 18. A structural joint comprisinga column having four or more flange edges extending in the longitudinal direction of said column, each said flange edge being disposed on said column opposite at least one other flange edge, wherein said column is disposed as a permanent, columnar support in a structure and carrying a load of the magnitude of building columnar loads and similarly heavy structural loads, a beam, wherein one end of said beam is disposed near said column for fixed attachment with respect to said column, a brace which is diagonally disposed with respect to said beam, said brace having two ends, wherein one end of said brace is disposed near said column and said beam, where said beam is disposed near said column, a pair of gusset plates, each gusset plate being disposed in parallel, face-to-face relationship with respect to the other gusset plate, on said opposing flange edges of said column, said gusset plates extending along opposing sides of said beam and said brace, wherein said pair of gusset plates is fixedly attached with respect to said column, at least in part, by each said gusset plate being welded along at least one of said flange edges of said column, wherein each of said gusset plates extends substantially beyond said flange to which it is welded, in the general direction of another flange of said column, wherein said one pair of gusset plates is fixedly attached with respect to said beam, and wherein said one end of said brace is fixedly attached with respect to said pair of gusset plates by moment-resisting connections strong enough to resist severe moment loads caused by normal gravity loading and those severe moment loads having an order of magnitude as large as those caused by disastrous events, such as earthquakes, tornadoes, hurricanes, high winds, blasts and explosions.
- 19. The structural joint of claim 18, wherein one or more of said column, beam and flange is comprised of two flanges with a web therebetween, andwherein is included two opposing shear plates each disposed between the flanges of, one or more of said column, said beam and said brace, and each said opposing shear plate disposed oppositely from the other shear plate, on opposite sides of the flange of one or more of said column, said beam and said brace.
- 20. The structural joint of claim 18,wherein said brace has two opposing flanges, and wherein said moment-resisting connections, fixedly attaching said brace to said gusset plates, are comprised of a plurality of fasteners fastening each said flange of said brace to a respective gusset plate, and wherein each said flange of said brace is fastened to its respective gusset plate by a plurality of rows of fasteners, each row having a plurality of fasteners.
- 21. The structural joint of claim 18,wherein is included a second column, having four or more edges extending in the longitudinal direction of said column, each said edge being disposed on said column opposite at least one other edge, said second column being disposed a horizontal distance from said first column, wherein is included a second beam disposed a distance above said first beam, wherein said second beam has two ends, one end being disposed near said second column for being fixedly attached with respect to said second column and the other end disposed near said first column for being fixedly attached with respect to said first column, wherein is included a second pair of parallel gusset plates, each in parallel, face-to-face relationship, with respect to the other gusset plate of said second pair of gusset plates, on opposing edges of said second column, and on opposing sides of said second beam and the other end of said brace, wherein said second pair of parallel gusset plates are fixedly attached with respect to said second column, at least in part, by each gusset plate being welded along at least one of said edges of said second column, wherein said second pair of parallel gusset plates extend along the sides of said second beam and along the sides of the other end of said brace, and wherein said other end of said brace is fixedly attached with respect to said second pair of parallel gusset plates.
- 22. The structural joint of claim 21wherein said brace is comprised of at least first and second flanges, and wherein said brace is fixedly attached with respect to said one pair of gusset plates, at one end of said brace, and said second pair of gusset plates, at the other end of said brace, by each said flange being fastened to a gusset plate of said one pair of gusset plates and a gusset plate of said second pair of gusset plates.
- 23. The structural joint of claim 21wherein said brace is comprised of at least first and second flanges, and wherein said brace is fixedly attached with respect to said one pair of gusset plates and said second pair of gusset plates by each said flange being welded, at one end of said brace, to at least one gusset elate of said one pair of gusset plates and, at the other end of said brace, to at least one gusset plate of said second pair of gusset plates.
- 24. The structural joint of claim 21,wherein is included a first set of top and bottom cover plates, wherein is included a second set of top and bottom cover plates, wherein said brace is comprised of at least a top flange and a bottom flanges wherein said brace is fixedly attached with respect to said one pair of gusset plates by said first top cover plate being attached to said top flange of said brace, at or near one end thereof and welded to said one pair of gusset plates, and said first bottom cover plate being attached to said bottom flange of said cover plate at or near said one end thereof and welded to said one pair of gusset plates, and wherein said brace is fixedly attached with respect to said second pair of gusset plates by said second top cover plate being attached to said top flange of said brace at or near the other end thereof and welded to said second pair of gusset plates, and said second bottom cover plate being attached to said bottom flange of said brace, at or near said other end thereof and welded to said second pair of gusset plates.
- 25. The structural joint of claim 24,wherein said brace is fixedly attached with respect to said cover plates by one of bolts, rivets and welds.
- 26. The structural joint of claim 18,wherein said severe moment-resisting connection fixedly attaching said brace with respect to said pair of gusset plates, is comprised of one of (1) a plurality of rows of bolts, each row having a plurality of bolts, (2) a plurality of rows of rivets, each row having a plurality of rivets, and (3) welds of sufficient length to withstand severe moments having the order of magnitude of those moments caused by disastrous events, such as earthquakes, tornadoes, hurricanes, high winds, blasts, explosions and the like.
- 27. The structural joint of claim 18, wherein is included a second column disposed a preselected, horizontal distance from said first column,wherein is included a second beam disposed a preselected distance above said first beam, wherein said second beam has two ends, one end being disposed near said second column and fixedly attached with respect to said second column and the other end disposed near said first column and fixedly attached with respect to said first column, wherein is included a second pair of parallel gusset plates, wherein said second pair of parallel gusset plates are disposed in face-to-face relationship on opposite sides of said second beam, at an intermediate distance between said columns, wherein said second pair of parallel gusset plates are fixedly attached with respect to said second beam, wherein said second pair of parallel gusset plates extend from said second beam along the sides of said brace at its other end, wherein said brace is fixedly attached with respect to said second pair of parallel gusset plates.
- 28. The structural joint of claim 18, wherein is included a second column, having at least four edges extending in the longitudinal direction of said column, each said edge being disposed on said column opposite at least one other edge,said second column being disposed a horizontal distance from said first column, wherein the other end of said first beam is disposed near said second column for being fixedly attached with respect to said second column, wherein is included a second beam disposed a distance above said first beam, wherein said second beam has two ends, one end being disposed near said second column and being fixedly attached with respect to said second column and the other end being disposed near said first column and being fixedly attached with respect to said first column, wherein is included a second brace having two ends, wherein is included a second pair of parallel gusset plates, wherein said second pair of parallel gusset plates are disposed in face-to-face relationship on opposing edges of said second column, wherein said second pair of parallel gusset plates are fixedly attached with respect to said second column by each gusset plate of said second pair of parallel gusset plates being welded to at least two of said edges of said second column, wherein said second pair of parallel gusset plates extend along the sides of said other end of said first beam and along the sides of said one end of said second brace, wherein said other end of said first beam is fixedly attached with respect to said second column by being fixedly attached with respect to said second pair of parallel gusset plates, wherein said one end of said second brace is fixedly attached with respect to said second pair of parallel gusset plates, wherein is included additional parallel gusset plate means fixedly attached with respect to said second beam, intermediate the length of said second beam, and fixedly attached with respect to the other ends of said first and second braces, thus, fixedly attaching the other ends of said braces with respect to said second beam intermediate the length of said second beam, between said columns.
- 29. The structural joint of claim 28, wherein said additional parallel gusset plate means comprise a third pair of parallel gusset plates, disposed on opposite sides of said second beam, intermediate its length and in face-to-face relationship with respect to each other,wherein said gusset plates are fixedly attached with respect to the other ends of said first and second braces by both said first and second braces being attached directly to said third pair of parallel gusset plates.
- 30. The structural joint of claim 29, wherein said third pair of parallel gusset plates is located at or near the center of said second beam.
- 31. The structural joint of claim 29, wherein said third pair of parallel plates are located other than at or near the center of said second beam.
- 32. The structural joint of claim 28 wherein said additional gusset plate means comprise a third pair of parallel gusset plates, each gusset plate disposed on opposite sides of said second beam from the other, in face-to-face relationship with respect to each other and a fourth pair of parallel gusset plates, each gusset plate disposed on opposite sides of said second beam from the other, in face-to-face relationship with respect to each other,wherein the other end of said first brace is fixedly attached with respect to said third pair of parallel gusset plates, and wherein the other end of said second brace is fixedly attached with respect to said fourth pair of parallel gusset plates.
- 33. The structural joint of claim 18, wherein said severe moment-resisting connections, between said brace and said gusset plates, are strong enough to reach the full yield strength capability of said brace, without the cross-section of said brace having been reduced in area.
- 34. The structural joint of claim 18, wherein is included shear plates welded between one or more of (1) said gusset plates and said beam and (2) said gusset plates and said brace.
- 35. A structural joint connection comprising,a brace, a beam having flanges, a column disposed as permanent, columnar support in a structure such as a building, tower and similarly heavy structure, said column having two or more flanges, wherein said brace has two ends, a pair of gusset plates in parallel, face-to-face relationship with each other, said gusset plates disposed on opposite sides of said beam, and on opposite sides of at least one of said flanges of said column, wherein said beam is fixedly attached with respect to said parallel gusset plates in a moment-resisting connection, and wherein said parallel gusset plates are each welded to at least one of said flanges of said column in a moment-resisting connection, wherein each of said gusset plates extends substantially beyond said flange to which it is welded, in the general direction of another flange of said column, wherein said parallel gusset plates extend along the sides of one end of said brace, wherein said one end of said brace is fixedly attached with respect to each of said parallel gusset plates by moment-resisting connection means, and wherein said moment-resisting connection means is sufficiently strong to absorb and dissipate energy caused by severe moment loading of said moment-resisting connection means, beyond normal gravity loading, such as severe moment loading caused by one or more of earthquakes, tornadoes, hurricanes, high winds, blasts, explosions and other disastrous events.
- 36. The structural joint of claim 35, wherein said brace has at least two flanges, andwherein said moment-resisting connection means for absorbing and dissipating said energy caused by said severe moment loads beyond those caused by normal gravity loading, is comprised of one of (1) a plurality of fasteners between each said brace flange and a respective gusset plate, wherein said plurality of fasteners are disposed in each row of a plurality of rows and (2) welds fixedly attaching said flanges of said brace and a respective gusset plate, said welds being sufficiently long to absorb and dissipate said energy caused by said severe moment loads on said moment-resisting connection means.
- 37. The structural joint of claim 35, wherein said brace has two flanges,wherein is included a top cover plate and a bottom cover plate, wherein said top cover plate is fixedly attached to one flange of said brace and the bottom cover plate is fixedly attached to the other flange of said brace, wherein said cover plates are fixedly attached by welds to said parallel gusset plates, wherein said welds, fixedly attaching said cover plates to said parallel plates, extend in the longitudinal direction of said brace.
- 38. A structural joint comprisinga column disposed as permanent, columnar support of a structure such as, a building, tower and similarly heavy structure, said column having at least two flanges, a beam having two ends, one end disposed near said column and the other end disposed away from said column, a diagonal brace having two ends, one end disposed near said column and the other end disposed away from said column, wherein said structural joint is comprised of two gusset plates disposed in parallel relationship on opposite sides of at least one of said flanges of said column, wherein said gusset plates are in face-to-face relationship with respect to each other, wherein one of said gusset plates extends along one side of said beam and along one side of said diagonal brace; wherein the other of said gusset plates extends along the other side of said beam and along the other side of said diagonal brace, wherein each of said gusset plates is connected to said column by being welded to at least one of said flanges of said column, wherein each of said gusset plates extends substantially beyond said flange to which it is welded, in the general direction of another flange of said column, wherein said welded connections, between said gusset plates and said at least one flange of said column, extend along said flange a distance sufficient to resist severe moment loads on said welded connections, such as those severe moment loads caused by normal gravity loading and caused by those having an order of magnitude as large as severe moment loads caused by one or more of earthquakes, tornadoes, hurricanes, high winds, blasts, explosions and the like, wherein each of said gusset plates is fixedly attached with respect to said beam by a connection sufficiently strong to resist severe moment loads beyond normal gravity loading on said latter connection, said loads having an order of magnitude as large as those caused by one or more of earthquakes, tornadoes, hurricanes, high winds, blasts, explosions and the like, wherein said brace is fixedly attached with respect to said gusset plates by connections sufficiently strong to resist severe moment loads and severe axial loads caused by normal gravity loading and caused by those loads having an order of magnitude as large as those caused by one or more of earthquakes, tornadoes, hurricanes, high winds, blasts, explosions and the like.
Parent Case Info
This application is related to U.S. Pat. No. 5,660,017, entitled Moment Resisting Frame Beam-To-Column Connections, issued Aug. 26, 1997, invented by the same inventor as herein. There is a relation also to patent application U.S. Pat. No. 6,138,427, issued Oct. 31, 2000, entitled Moment Resisting, Beam-To-Column Connection, invented by the same inventor as herein.
US Referenced Citations (20)
Foreign Referenced Citations (2)
Number |
Date |
Country |
771849 |
Jul 1978 |
CA |
619608 |
Jul 1978 |
RU |