US20110252743A1 - Bolted Steel Connections with 3-D Jacket plates and Tension Rods - Google Patents

Bolted Steel Connections with 3-D Jacket plates and Tension Rods Download PDF

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Publication number
US20110252743A1
US20110252743A1 US12/804,602 US80460210A US2011252743A1 US 20110252743 A1 US20110252743 A1 US 20110252743A1 US 80460210 A US80460210 A US 80460210A US 2011252743 A1 US2011252743 A1 US 2011252743A1
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United States
Prior art keywords
steel
connections
plates
jacket
connection
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Abandoned
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US12/804,602
Inventor
Weihong Yang
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Individual
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Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to US12/804,602 priority Critical patent/US20110252743A1/en
Priority to AU2011243099A priority patent/AU2011243099A1/en
Priority to PL11772411T priority patent/PL2561153T3/en
Priority to RU2012148174/03A priority patent/RU2012148174A/en
Priority to ES11772411.2T priority patent/ES2597960T3/en
Priority to CN201180027141.7A priority patent/CN102906352B/en
Priority to CA2796333A priority patent/CA2796333C/en
Priority to HUE11772411A priority patent/HUE030258T2/en
Priority to PCT/US2011/030780 priority patent/WO2011133308A2/en
Priority to EP11772411.2A priority patent/EP2561153B1/en
Priority to JP2013506164A priority patent/JP6002661B2/en
Publication of US20110252743A1 publication Critical patent/US20110252743A1/en
Priority to US13/625,869 priority patent/US8800239B2/en
Priority to US14/198,548 priority patent/US9376797B2/en
Abandoned legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403—Connection details of the elongated load-supporting parts
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403—Connection details of the elongated load-supporting parts
    • E04B2001/2415—Brackets, gussets, joining plates
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403—Connection details of the elongated load-supporting parts
    • E04B2001/2445—Load-supporting elements with reinforcement at the connection point other than the connector
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403—Connection details of the elongated load-supporting parts
    • E04B2001/2448—Connections between open section profiles
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403—Connection details of the elongated load-supporting parts
    • E04B2001/2463—Connections to foundations
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B2001/2496—Shear bracing therefor

Definitions

  • a completely new type of structural steel connection is invented. It is the jacket-plate-connection system using 3-dimensional connection plates and tension rods to achieve exceptional structural performance that is superior to any conventional connections, either bolted or welded, that use 2-dimensial (i.e. flat) gusset plate and/or side plates.
  • the merits of the novel connections include higher strength and ductility, stronger yet simpler connections, higher quality, small components for easy storage and transportation. Additionally, they eliminate all of the inherent drawbacks and problems of conventional bolted and/or welded connections.
  • the present invention is a versatile connections system that can be use in any steel frames and trusses that is made of W-sections. It basically redefines concept of structural steel connections, and has the potential to reform the current market of steel construction. The economical and social impact will be significant.
  • connection system There are three very unique features of this connection system: (1) For the first time in the industry, this invention introduces three dimensional connection plates in a systematical way. It addresses all possible connection type in a simple and consistent manner. (2) This invention uses through the depth steel rods, coupled with typical web stiffeners to transfer shear and bending moment across the connection. This type of shear transfer mechanism is similar to stirrups in reinforced concrete beams and columns. Although being widely used in reinforced concrete structures for many years, it is first time that the mechanism being ever utilized in steel frames and trusses; (3) all components and parts can be prefabricated in shop, and conveniently bolted together at field.
  • SMRF special moment resisting frame
  • EBF eccentrically braced frame
  • SCBF special concentrically braced frames
  • FIG. 1 Moment connection at top floor—corner condition
  • FIG. 2 Moment connection at intermediate floor—side condition
  • FIG. 3 Moment connection at top floor—interior bay condition
  • FIG. 4 Moment connection at intermediate floor—interior bay condition
  • FIG. 5 Eccentrically braced frames—brace and link beam details
  • FIG. 6 Special concentrically braced frame (SCBF)—Inverted V details
  • FIG. 7 EBF and Inverted V SCBF—typical brace and beam to column connection details
  • FIG. 8 EBF and Inverted V SCBF—brace and column connection detail at foundation
  • FIG. 9 SCBF—brace and beam to column connection detail at typical floor
  • FIG. 10 SCBF—brace and beam to column connection detail at top floor
  • FIG. 11 SCBF—brace and beam crossing connection typical detail
  • FIG. 12 SCBF—brace crossing connection typical detail—without beam condition
  • FIG. 13 Vierendeel truss—typical connection condition
  • FIG. 14 Typical steel bridge truss segment

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Bridges Or Land Bridges (AREA)
  • Reinforcement Elements For Buildings (AREA)
  • Rod-Shaped Construction Members (AREA)
  • Working Measures On Existing Buildindgs (AREA)
  • Connection Of Plates (AREA)

Abstract

This new versatile steel connection has three unique features: (1) utilizes three dimensional connection plates in a simple and consistent manner, and is suitable for all possible connection type that is made of steel W-sections; (2) uses through the depth steel rods, coupled with typical web stiffeners to transfer shear and bending moment across the connection. The shear transfer mechanism is similar to stirrups in reinforced concrete beams; (3) all components and parts can be prefabricated in shop, and conveniently bolted together at field. The merits of the connections include higher strength and ductility, stronger yet simpler connections, higher quality, small components for easy storage and transportation. In one word, it eliminates all of the inherent drawbacks and problems of conventional bolted and/or welded connections.

Description

  • A completely new type of structural steel connection is invented. It is the jacket-plate-connection system using 3-dimensional connection plates and tension rods to achieve exceptional structural performance that is superior to any conventional connections, either bolted or welded, that use 2-dimensial (i.e. flat) gusset plate and/or side plates. The merits of the novel connections include higher strength and ductility, stronger yet simpler connections, higher quality, small components for easy storage and transportation. Additionally, they eliminate all of the inherent drawbacks and problems of conventional bolted and/or welded connections. The present invention is a versatile connections system that can be use in any steel frames and trusses that is made of W-sections. It basically redefines concept of structural steel connections, and has the potential to reform the current market of steel construction. The economical and social impact will be significant.
  • There are three very unique features of this connection system: (1) For the first time in the industry, this invention introduces three dimensional connection plates in a systematical way. It addresses all possible connection type in a simple and consistent manner. (2) This invention uses through the depth steel rods, coupled with typical web stiffeners to transfer shear and bending moment across the connection. This type of shear transfer mechanism is similar to stirrups in reinforced concrete beams and columns. Although being widely used in reinforced concrete structures for many years, it is first time that the mechanism being ever utilized in steel frames and trusses; (3) all components and parts can be prefabricated in shop, and conveniently bolted together at field. With this invention, it becomes practical to build all steel frames without field welding, including the following popular high performance seismic steel frames: special moment resisting frame (SMRF), eccentrically braced frame (EBF), and special concentrically braced frames (SCBF). (Note that there are no all-bolted SMRF, EBF and SCBR at the current market, due to the fact that traditional bolted connections cannot achieve the required strengthen and ductility at practical costs. In other words, these connections are all or partially welded connections.)
    • LIST OF FIGURES
  • Index Sketch 1: Typical steel frames that are used in building structures
      • (a) Special moment frames (SMF);
      • (b) Eccentrically braced frames (EBF);
      • (c) Special concentrically braced frame (SCBF)—Inverted V Type;
      • (d) SCBF—Typical Type;
      • (e) SCBF—X Type.
  • Index Sketch 2: Typical steel trusses that are used in bridges and infrastructures
      • (a) Vierendeel truss;
      • (b) Typical steel bridge truss;
      • (c) Steel truss—N brace;
      • (d) Steel truss—V Type.
  • FIG. 1: Moment connection at top floor—corner condition
      • (a) Assembly view;
      • (b) Components view.
  • FIG. 2: Moment connection at intermediate floor—side condition
      • (a) Assembly view;
      • (b) Components view.
  • FIG. 3: Moment connection at top floor—interior bay condition
      • (a) Assembly view;
      • (b) Components view.
  • FIG. 4: Moment connection at intermediate floor—interior bay condition
      • (a) Assembly view;
      • (b) Components view.
  • FIG. 5: Eccentrically braced frames—brace and link beam details
      • (a) Assembly top view;
      • (b) Components top view;
      • (c) Assembly bottom view;
      • (d) Components bottom view.
  • FIG. 6: Special concentrically braced frame (SCBF)—Inverted V details
      • (a) Assembly top view;
      • (b) Components top view;
      • (c) Assembly bottom view;
      • (d) Components bottom view.
  • FIG. 7: EBF and Inverted V SCBF—typical brace and beam to column connection details
      • (a) Assembly top view;
      • (b) Components top view;
      • (c) Assembly bottom view;
      • (d) Components bottom view.
  • FIG. 8: EBF and Inverted V SCBF—brace and column connection detail at foundation
      • (a) Assembly top view;
      • (b) Components top view;
      • (c) Assembly bottom view;
      • (d) Components bottom view.
  • FIG. 9: SCBF—brace and beam to column connection detail at typical floor
      • (a) Assembly top view;
      • (b) Components top view;
      • (c) Assembly bottom view;
      • (d) Components bottom view.
  • FIG. 10: SCBF—brace and beam to column connection detail at top floor
      • (a) Assembly top view;
      • (b) Exposed top view with front jacket plate removed;
      • (c) Components top view;
      • (d) Assembly bottom view;
      • (e) Exposed bottom view with front jacket plate removed;
      • (f) Components bottom view.
  • FIG. 11: SCBF—brace and beam crossing connection typical detail
      • (a) Assembly top view;
      • (b) Components top view.
  • FIG. 12: SCBF—brace crossing connection typical detail—without beam condition
      • (a) Assembly view;
      • (b) Exposed view with front jacket plate removed;
      • (c) Components view.
  • FIG. 13: Vierendeel truss—typical connection condition
      • (a) Assembly view;
      • (b) Exposed view with front jacket plate removed;
      • (c) Components view.
  • FIG. 14: Typical steel bridge truss segment
      • (a) Assembly view;
      • (b) Exposed view with front jacket plate removed.

Claims (4)

1. Three dimensional jacket plates, comprising
(a) A flat side plate that cut into the shape of side projection of the joint;
(b) Pairs of clamping plates welded at the perimeter of side plate with pre-drilled bolt holes. Note that clamping plates are always perpendicular to the side plate.
2. Steel connections, made of the 3-D jacket plates as recited in claim 1, comprising
a) A pair of symmetrical jacket plates, installed from opposite side of the frame or truss plane;
(b) Shear transferring tension rods coupled with typical web stiffeners; Note that the tension rod, always in a plane parallel to the side plate, is full depth flange-to-flange threaded rods with bolts at each ends;
(c) These are primary bolted connections, but optional field welding is allowed when additional strength is needed.
(d) Conventional bolts and shear tags, gusset plates can be used in combination with jacket plates, as far as they are not interfere the jacket plates.
3. Buding frames that is connected together using all or part of the jacket-plate-connections as recited in claim 2, including but not limited to the followings:
(a) Ordinary moment frames (OMF) and special moment frames (SMF);
(b) Eccentrically braced frames (EBF);
(c) Ordinary concentrically braced frame (OCBF) and Special concentrically braced frame (SCBF), including but not limited to, inverted V type, X type, any typical type;
(d) Other steel frame that is a variation and/or combination of the above listed ones.
4. Steel trusses that is connected together using all or part of the jacket-plate-connections as recited in claim 2, including but not limited to the followings:
(a) Vierendeel truss;
(b) Typical steel bridge truss;
(c) Steel truss—N brace;
(d) Other steel trusses that is a variation and/or combination of the above listed ones.
US12/804,602 2010-04-19 2010-04-19 Bolted Steel Connections with 3-D Jacket plates and Tension Rods Abandoned US20110252743A1 (en)

Priority Applications (13)

Application Number Priority Date Filing Date Title
US12/804,602 US20110252743A1 (en) 2010-04-19 2010-04-19 Bolted Steel Connections with 3-D Jacket plates and Tension Rods
HUE11772411A HUE030258T2 (en) 2010-04-19 2011-03-31 Bolted steel connections with 3-d jacket plates and tension rods
PCT/US2011/030780 WO2011133308A2 (en) 2010-04-19 2011-03-31 Bolted steel connections with 3-d jacket plates and tension rods
RU2012148174/03A RU2012148174A (en) 2010-04-19 2011-03-31 BOLT CONNECTIONS OF STEEL STRUCTURES USING THREE-DIMENSIONAL COVERS OF A COVERING TYPE AND TENSION RODS
ES11772411.2T ES2597960T3 (en) 2010-04-19 2011-03-31 Bolted steel joints with 3-D trim plates and tension rods
CN201180027141.7A CN102906352B (en) 2010-04-19 2011-03-31 Use the bolted steel node of three-dimensional jacket type cage plate and pull bar
CA2796333A CA2796333C (en) 2010-04-19 2011-03-31 Bolted steel connections with 3-d jacket plates and tension rods
AU2011243099A AU2011243099A1 (en) 2010-04-19 2011-03-31 Bolted steel connections with 3-D jacket plates and tension rods
PL11772411T PL2561153T3 (en) 2010-04-19 2011-03-31 Bolted steel connections with 3-d jacket plates and tension rods
EP11772411.2A EP2561153B1 (en) 2010-04-19 2011-03-31 Bolted steel connections with 3-d jacket plates and tension rods
JP2013506164A JP6002661B2 (en) 2010-04-19 2011-03-31 Bolted steel connection using solid jacket plate and tension rod
US13/625,869 US8800239B2 (en) 2010-04-19 2012-09-24 Bolted steel connections with 3-D jacket plates and tension rods
US14/198,548 US9376797B2 (en) 2010-04-19 2014-03-05 Bolted steel connections with 3-D jacket plates and tension rods

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12/804,602 US20110252743A1 (en) 2010-04-19 2010-04-19 Bolted Steel Connections with 3-D Jacket plates and Tension Rods

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US13/625,869 Continuation-In-Part US8800239B2 (en) 2010-04-19 2012-09-24 Bolted steel connections with 3-D jacket plates and tension rods

Publications (1)

Publication Number Publication Date
US20110252743A1 true US20110252743A1 (en) 2011-10-20

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US12/804,602 Abandoned US20110252743A1 (en) 2010-04-19 2010-04-19 Bolted Steel Connections with 3-D Jacket plates and Tension Rods

Country Status (11)

Country Link
US (1) US20110252743A1 (en)
EP (1) EP2561153B1 (en)
JP (1) JP6002661B2 (en)
CN (1) CN102906352B (en)
AU (1) AU2011243099A1 (en)
CA (1) CA2796333C (en)
ES (1) ES2597960T3 (en)
HU (1) HUE030258T2 (en)
PL (1) PL2561153T3 (en)
RU (1) RU2012148174A (en)
WO (1) WO2011133308A2 (en)

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US20060010825A1 (en) * 2003-05-09 2006-01-19 Nci Building Systems, L.P. Multi-story building and method for construction thereof
CN102587505A (en) * 2012-03-06 2012-07-18 中天建设集团有限公司 Wedge-type lacing bar connection node
CN102587491A (en) * 2012-03-02 2012-07-18 同济大学 Connection system for total-prefabricated concrete structure
CN102776956A (en) * 2012-08-03 2012-11-14 浙江精工钢结构有限公司 Single-layer box-section curved-surface reticulated shell joint
US20130160398A1 (en) * 2010-03-19 2013-06-27 Weihong Yang Composite i-beam member
US8800239B2 (en) * 2010-04-19 2014-08-12 Weihong Yang Bolted steel connections with 3-D jacket plates and tension rods
US20140241796A1 (en) * 2011-10-07 2014-08-28 Liebherr-Transportation Systems Gmbh & Co. Kg Connection Element for a Support Frame System
US8820033B2 (en) * 2010-03-19 2014-09-02 Weihong Yang Steel and wood composite structure with metal jacket wood studs and rods
CN104249238A (en) * 2013-06-27 2014-12-31 陈大和 Manufacturing method and component for truss equipment connector
JP2015074884A (en) * 2013-10-07 2015-04-20 アガタ電子株式会社 Assembly member
US20150135638A1 (en) * 2010-03-19 2015-05-21 Weihong Yang Composite i-beam member
US9091065B2 (en) 2012-11-30 2015-07-28 Columbia Insurance Company Gusset plate connection of beam to column
US9376797B2 (en) 2010-04-19 2016-06-28 Weihong Yang Bolted steel connections with 3-D jacket plates and tension rods
US9506239B2 (en) 2012-11-30 2016-11-29 Mitek Holdings, Inc. Gusset plate connection in bearing of beam to column
US20160356033A1 (en) * 2015-06-03 2016-12-08 Mitek Holdings, Inc Gusset plate connection of braced beam to column
US10119265B2 (en) 2015-11-05 2018-11-06 Carbon Development Services, LLC Building frame connector and method of use
US20180347172A1 (en) * 2017-08-19 2018-12-06 Mohammad Ramezani Moment-resisting frame
US10179991B2 (en) * 2016-10-03 2019-01-15 Mitek Holdings, Inc. Forming column assemblies for moment resisting bi-axial beam-to-column joint connections
US20190136520A1 (en) * 2017-11-03 2019-05-09 Simpson Strong-Tie Company Inc. Box Head Connector
US20190136511A1 (en) * 2016-06-22 2019-05-09 Vestas Wind Systems A/S Reinforcement tool for rear frame structure of a wind turbine nacelle
US20210095461A1 (en) * 2015-02-26 2021-04-01 Dbm Global Inc. Systems and methods for fabrication and use of brace designs for braced frames
WO2021097290A1 (en) * 2019-11-13 2021-05-20 Mitek Holdings, Inc. Bolted beam to column connections
US11236502B2 (en) 2016-10-03 2022-02-01 Mitek Holdings, Inc. Gusset plate and column assembly for moment resisting bi-axial beam-to-column joint connections
US11332920B2 (en) 2016-05-02 2022-05-17 Mitek Holdings, Inc. Moment resisting bi-axial beam-to-column joint connection

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EP2561153A2 (en) 2013-02-27
CA2796333A1 (en) 2011-10-27
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RU2012148174A (en) 2014-05-27
EP2561153A4 (en) 2014-08-06
JP6002661B2 (en) 2016-10-05
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EP2561153B1 (en) 2016-09-14
CN102906352B (en) 2015-12-16

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