WO2003021061A1 - Pieces de structure de cadre de construction resistante aux moments - Google Patents

Pieces de structure de cadre de construction resistante aux moments Download PDF

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Publication number
WO2003021061A1
WO2003021061A1 PCT/US2001/027223 US0127223W WO03021061A1 WO 2003021061 A1 WO2003021061 A1 WO 2003021061A1 US 0127223 W US0127223 W US 0127223W WO 03021061 A1 WO03021061 A1 WO 03021061A1
Authority
WO
WIPO (PCT)
Prior art keywords
column
bearing
moment
columns
collar
Prior art date
Application number
PCT/US2001/027223
Other languages
English (en)
Inventor
Robert J. Simmons
Walid M. Hicham Naja
Constantine J. Shuhaibar
Original Assignee
Simmons Robert J
Hicham Naja Walid M
Shuhaibar Constantine J
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 Simmons Robert J, Hicham Naja Walid M, Shuhaibar Constantine J filed Critical Simmons Robert J
Priority to CA002458706A priority Critical patent/CA2458706C/fr
Priority to ES01968363.0T priority patent/ES2622071T3/es
Priority to JP2003525755A priority patent/JP4165648B2/ja
Priority to PCT/US2001/027223 priority patent/WO2003021061A1/fr
Priority to EP01968363.0A priority patent/EP1425488B1/fr
Priority to MXPA04002964A priority patent/MXPA04002964A/es
Priority to AU2001288615A priority patent/AU2001288615B2/en
Priority to CNB018237304A priority patent/CN1312367C/zh
Publication of WO2003021061A1 publication Critical patent/WO2003021061A1/fr

Links

Classifications

    • 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
    • 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
    • E04B2001/2409—Hooks, dovetails or other interlocking connections
    • 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
    • E04B2001/2454—Connections between open and closed section profiles

Definitions

  • This invention (structure and method) relates to building structure, and in particular to a novel column/beam/collar-interconnect structural organization (and related methodology) which functions to create an improved and very capable moment-resistant frame for a building.
  • Featured in the practice of the invention is a unique, bearing-face collar-interconnect structure which joins adjacent columns and beams at nodes of intersection between them.
  • the present invention especially addresses this issue, and in so doing, offers a number of unique and important advantages in building- frame construction, and in ultimate building-frame performance.
  • the invention proposes a column-beam interconnect structural system and methodology wherein the ends of beams are joined to columns at nodes of intersection through unique collar structures that effectively circumsurround the sides and the long axes of columns to deliver, through confronting bearing faces, compressive loads which are derived from moment loads experience by the beams.
  • the delivery through compression of moment loads carried from beams to columns involve the development in the columns of vertically offset reverse-direction compression loads which create related moments in the columns.
  • nodal connections which result from practice of the present invention function to create what is referred to as three-dimensional, multi-axial, moment- coupling, load transfer interconnection and interaction between beams and columns.
  • the proposed nodal collar structures include inner components which are anchored, as by welding, to the outside surfaces of columns, and an outer collar which is made up of components that are suitably anchored, also as by welding, to the opposite ends of beams.
  • the inner and outer collar components are preferably and desirably formed by precision casting and/or machining, and are also preferably pre- joined to columns and beams in an automated, factory- type setting, rather than out on the construction job site. Accordingly, the invented collar components lend themselves to economical, high-precision manufacture and assembly with columns and beams, which can then be delivered to a job site ready for accurate assembly. As will become apparent from an understanding of the respective geometries proposed by the present invention for the collar components, these components play a significant role during early building-frame assembly, as well as later in the ultimate performance of a building.
  • Male/female cleat/socket configurations formed in and adjacent the confronting bearing-face portions of the inner and outer collar components function under the influence of gravity, during such preliminary building construction, not only to enable such gravity locking and positioning of the associated frame components, but also to establish immediate, substantial stability and moment resistance to lateral loads, even without further assembly taking place at the nodal locations of column-beam intersections.
  • appropriate tension bolts are preferably introduced into the collar structures, and specifically into the components of the outer collar structures, effectively to lock the inner and outer collar structures in place against separation, and to introduce available tension load-bearing constituents into the outer collar structures.
  • tension load bearing plays an important role in the way that the structure of the present invention gathers and couples beam moment loads multidirectionally into columns.
  • Confronting faces between the inner and outer collar components function as bearing faces to deliver, or transfer, moment loads (carried in beams) directly as compression loads into the columns.
  • these bearing faces deliver such compression loads to the columns at plural locations which are angularly displaced about the long axes of the columns (because of the axial encircling natures of the collars).
  • Such load distribution takes substantially full advantage of the load-carrying capabilities of the columns with respect to reacting to beam moment loads.
  • a building frame structure assembled in accordance with this invention results in a remarkably stable and capable frame, wherein all lateral loads transfer via compression multiaxially, and at distributed nodes, into the columns, and are born in a substantially relatively evenly and uniformly distributed fashion throughout the entire frame structure.
  • Such a frame structure requires no bracing or shear walls, and readily accommodates the later incorporation (into an emerging building) of both outer surface skin structure, and internal floor structure.
  • the nodal interconnections which exist between beams and columns according to this invention at least from one set of points of view, can be visualized as discontinuous floating connections ⁇ discontinuous in the sense that there is no uninterrupted (homogenous) metal or other material path which flows structurally from beams to columns and floating in the sense that beams and columns could, if so desired, be nondestructively disconnected for any particular purpose.
  • the connective interface that exists between a beam and a column according to this invention includes a portion which experiences no deformation during load handling, such portion being resident at the discontinuity which exists between beams and columns at the nodal interfaces.
  • FIG. 1 is a fragmentary, isometric view illustrating a building frame structure which has been constructed in accordance with the present invention, shown in a stage of assembly supported on top of an underlying, pre-constructed, lower building structure, referred to herein as a podium structure.
  • Fig. 2 is a fragmentary, isolated, isometric view illustrating collar structure employed at one nodal location in the building frame structure of Fig. 1 in accordance with the present invention.
  • Figs. 3, 4 and 5 are fragmentary, cross-sectional views taken generally along the lines 3-3, 4-4 and 5-5, respectively, in Fig. 2.
  • Fig. 6 is a fragmentary, angularly exploded, isometric view illustrating the structures of, and the operational relationship between, a pair of inner and outer collar components constructed and functioning in accordance with the present invention.
  • Figs. 7 and 8 are two different views stylized to illustrate a feature of the present invention involving how gravity lowering of a horizontal beam into place between pairs of adjacent columns functions to create, immediately, a moment- resistant, properly spatially organized, overall building frame structure.
  • Figs. 9 and 10 are employed herein to illustrate generally how collar components built in accordance with the present invention function to handle and distribute beam moment loads into columns.
  • Fig. 1 pictured generally at 20 is a building frame structure which has been constructed in accordance with the present invention.
  • This structure is also referred to herein as building structure, and as a structural system.
  • frame structure 20 might be constructed on, and rise from, any suitable, underlying support structure, such as the ground, but in the particular setting illustrated in Fig. 1, structure 20 is shown supported on, and rising from, the top of a pre-constructed, underlying "podium" building structure 22, such as a parking garage.
  • podium structure 22 includes, among other structural elements, a distributed row-and-column array of columns, such as those shown at 22a.
  • Collars 30, 32, 34 are elongate horizontal beams 36, 38, 40, 42, 44, 46, 48.
  • Collars 30, 32, 34 as is true for (and with respect to) all of the other collars employed in frame structure 20, are substantially alike in construction.
  • Collar 30 accommodates the attachment to column 24 of beams 36, 38.
  • Collar 32 accommodates the attachment to column 26 of beams 38, 40, 42.
  • Collar 34 accommodates the attachment to column 28 of beams 42, 44, 46, 48.
  • the row-and-column array of columns in frame structure 20 is such that the long axes of the associated columns are not aligned on a one-to-one basis with the long axes of previously mentioned columns 22a in podium structure 22. It should further be noted that the bases of the columns in structure 20 may be anchored in place near the top of the podium structure in any suitable manner, the details of which are neither specifically illustrated nor discussed herein, inasmuch as these anchor connections form no part of the present invention.
  • a nodal region (or node) is one which employs previously mentioned collar 34.
  • collar 34 per se should be understood to be essentially a detailed description of all of the other collars employed in frame structure 20. With respect to this description, four orthogonally associated, outwardly facing, planar faces 28b, 28c, 28d, 28e in column 28 are involved.
  • FIG. 2 shown in dashed lines at 46a is a representation of an optional conventional beam "fuse" which may be used in the beams in structure 20, if so desired.
  • fuse 46a appears only in Fig. 2.
  • Collar 34 includes an inner collar structure (or column-attachable member) 50, and an outer collar structure 52.
  • inner and outer collar structures are also referred to herein as gravity-utilizing, bearing-face structures, or substructures.
  • the inner collar structure is made up of four components shown at 54, 56, 58, 60.
  • the outer collar structure is made up of four components (or beam-end attachable members) 62, 64, 66, 68.
  • Inner collar components 54, 56, 58, 60 are suitably welded to faces 28b, 28c, 28d, 28e, respectively, in column 28.
  • Outer collar components 62, 64, 66, 68 are suitably welded to those ends of beams 42, 44, 46, 48, respectively, which are near column 28 as such is pictured in Figs. 2-6, inclusive.
  • Component 58 includes a somewhat planar, plate-like body 56a, with an inner, planar face 58b which lies flush with column face 28d.
  • Body 56a also includes a planar, outer face 58c which lies in a plane that slopes downwardly and slightly outwardly away from the long axis 28a of column 28 (see particularly Figs. 3 and 5). Face 58c is referred to herein as a bearing face.
  • cleat 58d Projecting as an island outwardly from face 58c as illustrated is an upwardly tapered, wedge-shaped cleat 58d which extends, with generally uniform thickness, from slightly above the vertical midline of component 58 substantially to the bottom thereof.
  • the laterally and upwardly facing edges of cleat 58d are underbeveled for a reason which will become apparent shortly. This underbeveling is best seen in Figs. 3, 4 and 6.
  • Cleat 58d is referred to herein also as cleat structure, and as gravity-effective, first-gender structure.
  • inner collar component 58 connects, in a complementary manner which will now be described, with outer collar component 66 in outer collar structure 52.
  • component 66 has an outer face 66a which is welded to beam 46, and which is vertical in disposition in structure 20.
  • Component 66 also has a broad, inner face 66b which lies in a plane that substantially parallels the plane of previously mentioned component face 58c in inner collar component 58. Face 66b is also referred to herein as a bearing face.
  • an angular, wedge-shaped socket 66c which is sized to receive, snuggly and complementarily, previously mentioned cleat 58d.
  • Cleat 58d and socket 66c are referred to herein collectively as gravity-mating cleat and socket structure.
  • the three lateral walls of socket 66c are appropriately angled to engage (fittingly) three of the underbeveled edges in cleat 58d.
  • Socket 66c is also referred to herein as gravity-effective, second-gender structure.
  • components 58, 66, and completing descriptions of their respective constructions formed at the two lateral sides of component 66 are four, counter-sunk, bolt-receiving bore holes, such as those shown at 66d, 66e, 66f, 66g.
  • Formed in the lateral edges of component body 58a are three related notches, such as those shown at 58e, 58f, 58g.
  • Notches 58e, 58f, 58g align with bore holes 66e, 66f, 66g, respectively, when components 58, 66 are properly seated relative to one another as pictured in Figs. 1-5, inclusive.
  • Appropriate dash-dot lines and cross marks in Figs. 4, 5 and 6 illustrate the central axes of these (and other non-membered) boreholes, and how these axes (certain ones of them) align with the mentioned and illustrated notches.
  • the notches herein are also referred to as bolt clearance passages.
  • Figs. 1-6 sets of appropriate tension bolts and nuts are employed to lock together the components that make up the outer collar structures.
  • four sets of four nut and bolt assemblies join the sides of outer collar structure components 62, 64, 66, 68, extending at angles as shown across the corners of the resulting outer collar structure.
  • Four such assemblies are shown generally at 70, 72, 74, 76 in Fig. 2.
  • Assembly 74 as seen in Fig. 4, includes a bolt 74a with an elongate shank 74b that extends, inter alia, in the bolt-clearance passage created by notch 58f and by the counterpart notch present in adjacent component 56.
  • These nut and bolt assemblies effectively lock the outer collar structure around the inner collar structure, and impede vertical movement of the outer collar structure relative to the inner collar structure.
  • the bolt and nut assemblies also perform as tension- transmitting elements between adjacent outer collar components v/ith respect to moment loads that are carried in the beams which connect through collar structure 34 to column 28.
  • the bolt and nut assemblies assure a performance whereby each moment load in each beam is delivered by collar 34 in a circumsurrounding fashion to column 28.
  • FIGs. 7-10 these four drawing figures (herein new and different reference numerals are employed) help to illustrate certain assembly and operational features and advantages that are offered by the present invention.
  • Figs. 7 and 8 illustrate stabilizing, positioning, and aligning Activities tl">.. ⁇ take place during early building-frame assembly during lowering of b * ams arto pl rt ce for connection through the collars to the columns.
  • Figs. 9 and 10 illu trate generally how the apparatus of the present invention functions uniquely to handle moment loads that become developed in the beams, and specifically how these loads are handled by delivery through bearing face compression to and around the long axis of a column. As will become apparent, some of the moment-handling performance which is pictured in Figs.
  • columns 100, 102 are shown inclined away from one another as pictured in the plane of Fig. 7, and specifically with their respective long axes, 100a, 102a, occupying outwardly displaced angles c ⁇ and ⁇ 2 , respectively, relative to the vertical. Reference to these angular displacements being outward is made in relation to the vertical centerline of Fig. 7. It should also be noted that the angular vertical misalignment pictured in columns 100, 102 has been exaggerated for the purpose of exposition and illustration herein.
  • the out-of- verticality condition (as a practical reality) will typically be modest enough so, that upon lowering of a beam into position for attachment, such as lowering of beam 110 for attachment (through collar components 106, 108, 110, 112) to columns 100, 102, the confronting bearing faces and cleat and socket structure present in the opposite ends of the beam will be close enough to one another to cause the components to engage without special effort required to cause this to happen.
  • components 106, 110 begin to contact one another, as do also components 108, 112.
  • the respective confronting (and now engaging) cleats and sockets begin to nest complementarily.
  • the underbeveled edges of the lateral sides of the cleats in cooperation with the matching complementary lateral surfaces in the gathering sockets, to draw the two columns toward one another.
  • the two columns are shifted angularly toward one another (see arrows 115, 117) into conditions of correct relative spacing, alignment and relative angular positioning, with beam 110 ending up in a true horizontal disposition.
  • a true horizontal condition for beam 104 depends, of course, upon the columns having the correct relative vertical dispositions. Lowering of the beam, and urging of the columns into the positions just mentioned, effectively comes to a conclusion with gravity causing the beam to "lock" into a condition between the columns, with the cleats and receiving sockets fully and intimately engaged, and with the major bearing surfaces, 106a, 110a and 108a, 112a, confronting and in contact with one another.
  • Figure 7 has been employed to illustrate a specific condition in a single plane where two columns are effectively splayed outwardly away from one another, the columns might be in a host of different relative angular dispositions in relation to the vertical. For example, they could both effectively be leaning in the same direction as pictured in Fig. 7, or they could be leaning toward one another. Further, they could be leaning in either or all of those different kinds of conditions, and also leaning into and/or out of the plane of Fig. 7.
  • Fig. 8 pictures schematically this more general, probable scene of column non- verticality. It does so in a somewhat three-dimensional manner.
  • single elongate lines are pictured to illustrate obvious representations of an array of columns (vertical lines) and a layer of beams (angled lines) interconnected to the columns through collars which are represented by ovate shapes that surround regions of intersection of the beams and columns.
  • Black ovate dots which are presented on certain regions of the lines representing beams, along with single-line dark arrows, suggest, in the case of the black dots, former non- vertical, angular positions for the upper regions of the adjacent columns, with the arrows indicating directions of adjustments that occur as various ones of the different beams are lowered into positions between the columns.
  • a column 120 having an elongate axis 120a coupled through a collar 122 to four beams, only three of which are shown in Fig. 9 ⁇ these being illustrated at 124, 126, 128. Digressing for just a moment to Fig. 10 which shows the same beam and column arrangement, here, the fourth beam 130 can be seen.
  • beams 124, 128 are shown loaded with moments, such being represented by arrows 132, 134, respectively. Focusing on just one of these moments, and specifically, moment 132, this moment is coupled by bearing- face compression through the inner and outer components of collar 122, as indicated by arrow 136. It is thus through compression that the moment load experienced (as illustrated in Fig. 9) by beam 124 is communicated, at least partially, by collar 122 to column 120.
  • the outer collar structure within collar 122 also delivers compression through bearing faces that are present on the right side of collar 122 in Fig. 9. Such compression delivery is illustrated by arrow 138 in Fig. 9.
  • moment 132 is delivered through bearing-face compression to angularly spaced locations that are distributed around (at different angular locations relative to) the long axis 120a of column 120.
  • major load handling capability of column 120 is called upon and used immediately to deal with moment 132.
  • moment loads 140, 142, 144, 146 are effectively delivered as bearing- face compression through collar structure to plural, angularly distributed sides of columns, such as column 120.
  • Such plural-location compression delivery of moment loads 140, 142, 144, 146 is represented by arrows 148, 150, 152, 154.
  • a frame constructed according to the invention can be employed as pictured in Fig. 1 — , i.e., on top of a podium structure, with respect to which columns in the super structure do not align axially with the columns in the podium structure.
  • An important reason for this advantage is that the structure of the present invention distributes loads in such a fashion that all columns in the row and column array of columns, interconnected through collar form nodes constructed according to the invention, share relatively equally in bearing lateral loads delivered to the superstructure frame.
  • a further obvious advantage of the invention is that the components proposed by it are extremely simple in construction can be manufactured economically.

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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)

Abstract

L'invention concerne une structure de cadre de construction poutre-poteau (20), dans laquelle des poteaux (24, 26), et des poutres (36, 38), sont interconnectés afin de distribuer et de partager toutes les charges latérales via des colliers (30, 32, 34) qui encerclent les poteaux aux points nodaux (66) de fixations entre les poteaux (24, 26) et les poutres (36, 38). Chaque collier comprend des composants internes (106) et externes (108) qui prennent place et se verrouillent par gravité durant la construction du cadre, et qui offrent aussi une certaine résistance immédiate de moment à des charges latérales. Des assemblages de boulon (74) et d'écrou de tension permettent de verrouiller ensemble les composants internes et externes des colliers, et, avec ces assemblages en place, les colliers (qui entourent les poutres) fonctionnent en fournissant des charges de moment de poutre sous forme de charges de compression distribuées angulairement en plusieurs positions à différentes régions latérales des colonnes.
PCT/US2001/027223 2001-08-30 2001-08-30 Pieces de structure de cadre de construction resistante aux moments WO2003021061A1 (fr)

Priority Applications (8)

Application Number Priority Date Filing Date Title
CA002458706A CA2458706C (fr) 2001-08-30 2001-08-30 Pieces de structure de cadre de construction resistante aux moments
ES01968363.0T ES2622071T3 (es) 2001-08-30 2001-08-30 Elementos estructurales del armazón de un edificio resistentes a los momentos y procedimiento
JP2003525755A JP4165648B2 (ja) 2001-08-30 2001-08-30 耐モーメント性建築物骨組構造の構成要素および方法
PCT/US2001/027223 WO2003021061A1 (fr) 2001-08-30 2001-08-30 Pieces de structure de cadre de construction resistante aux moments
EP01968363.0A EP1425488B1 (fr) 2001-08-30 2001-08-30 Pieces de structure de cadre de construction resistante aux moments
MXPA04002964A MXPA04002964A (es) 2001-08-30 2001-08-30 Momento resistente de conjunto de componentes de estructura de armazon de edificio y metodo para lograrlo.
AU2001288615A AU2001288615B2 (en) 2001-08-30 2001-08-30 Moment-resistant building frame structure componentry and method
CNB018237304A CN1312367C (zh) 2001-08-30 2001-08-30 抗力矩建筑框架结构构件及方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2001/027223 WO2003021061A1 (fr) 2001-08-30 2001-08-30 Pieces de structure de cadre de construction resistante aux moments

Publications (1)

Publication Number Publication Date
WO2003021061A1 true WO2003021061A1 (fr) 2003-03-13

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PCT/US2001/027223 WO2003021061A1 (fr) 2001-08-30 2001-08-30 Pieces de structure de cadre de construction resistante aux moments

Country Status (8)

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EP (1) EP1425488B1 (fr)
JP (1) JP4165648B2 (fr)
CN (1) CN1312367C (fr)
AU (1) AU2001288615B2 (fr)
CA (1) CA2458706C (fr)
ES (1) ES2622071T3 (fr)
MX (1) MXPA04002964A (fr)
WO (1) WO2003021061A1 (fr)

Cited By (4)

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Publication number Priority date Publication date Assignee Title
EP1620610A2 (fr) * 2003-04-17 2006-02-01 National Oilwell, Inc. Connecteur de structure pour infrastructure d'installation de forage
JP2017057621A (ja) * 2015-09-16 2017-03-23 株式会社竹中工務店 架構構造
US10626594B2 (en) 2017-02-24 2020-04-21 New World China Land Limited Fabricated structural system and assembling method thereof
US11236501B2 (en) 2018-02-09 2022-02-01 Conxtech, Inc. Full moment connection collar systems

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CN102979172B (zh) * 2012-11-26 2014-11-05 北京工业大学 一种工业化装配式多、高层钢结构预应力中心支撑体系
CN102979171B (zh) * 2012-11-26 2014-12-03 北京工业大学 一种工业化装配式多、高层钢结构框架体系
CN103961861B (zh) * 2013-01-30 2016-03-02 青岛英派斯健康科技股份有限公司 笼式运动设施
CN104358320B (zh) * 2014-11-28 2016-08-17 西安建筑科技大学 一种全预制装配式梁柱节点
CN114108823B (zh) * 2021-12-31 2023-03-21 中冶赛迪工程技术股份有限公司 装配式构件及连接方法

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US6092347A (en) * 1998-08-11 2000-07-25 Hou; Chung-Chu Skeleton of a greenhouse
US6082070A (en) * 1998-10-30 2000-07-04 Jen; Michael T. Easy-to-assembly patio construction

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1620610A2 (fr) * 2003-04-17 2006-02-01 National Oilwell, Inc. Connecteur de structure pour infrastructure d'installation de forage
EP1620610B1 (fr) * 2003-04-17 2015-04-15 National Oilwell, Inc. Connecteur de structure pour infrastructure d'installation de forage
JP2017057621A (ja) * 2015-09-16 2017-03-23 株式会社竹中工務店 架構構造
US10626594B2 (en) 2017-02-24 2020-04-21 New World China Land Limited Fabricated structural system and assembling method thereof
US11236501B2 (en) 2018-02-09 2022-02-01 Conxtech, Inc. Full moment connection collar systems
US11781308B2 (en) 2018-02-09 2023-10-10 Conxtech, Inc. Full moment connection collar systems

Also Published As

Publication number Publication date
EP1425488A4 (fr) 2007-04-25
JP4165648B2 (ja) 2008-10-15
CA2458706C (fr) 2008-11-18
ES2622071T3 (es) 2017-07-05
CN1312367C (zh) 2007-04-25
EP1425488B1 (fr) 2017-02-08
EP1425488A1 (fr) 2004-06-09
JP2005501988A (ja) 2005-01-20
CN1558981A (zh) 2004-12-29
AU2001288615B2 (en) 2008-05-15
MXPA04002964A (es) 2005-06-20
CA2458706A1 (fr) 2003-03-13

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