CN114182830A - Bolt connection structure with closed section and application thereof - Google Patents
Bolt connection structure with closed section and application thereof Download PDFInfo
- Publication number
- CN114182830A CN114182830A CN202111521173.4A CN202111521173A CN114182830A CN 114182830 A CN114182830 A CN 114182830A CN 202111521173 A CN202111521173 A CN 202111521173A CN 114182830 A CN114182830 A CN 114182830A
- Authority
- CN
- China
- Prior art keywords
- mounting
- structural
- protective sleeve
- bolt
- mounting hole
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
- 230000001681 protective effect Effects 0.000 claims abstract description 51
- 229910000831 Steel Inorganic materials 0.000 claims description 36
- 239000010959 steel Substances 0.000 claims description 36
- 238000010276 construction Methods 0.000 claims description 22
- 238000009434 installation Methods 0.000 description 21
- 230000000694 effects Effects 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000470 constituent Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Images
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
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
-
- 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
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
- E04B1/5825—Connections for building structures in general of bar-shaped building elements with a closed cross-section
-
- 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
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
- E04B1/5825—Connections for building structures in general of bar-shaped building elements with a closed cross-section
- E04B1/5837—Connections for building structures in general of bar-shaped building elements with a closed cross-section of substantially circular form
- E04B1/585—Connections for building structures in general of bar-shaped building elements with a closed cross-section of substantially circular form with separate connection devices
Landscapes
- 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
The invention provides a bolt connecting structure with a closed cross section, which comprises a mounting main body, a protective sleeve and a connecting bolt; the mounting body is provided with a mounting surface, and a mounting hole communicated with the inner space of the mounting body is formed in the mounting surface; one end of the protective sleeve piece is provided with a port, and the port is fixed on the inner side of the mounting main body and corresponds to the mounting hole in position; the connecting bolt is arranged in the protective sleeve, the rod diameter of the connecting bolt is not larger than the aperture of the mounting hole, and the head size of the connecting bolt is larger than the aperture size of the mounting hole. The protective sleeve is fixed on the inner side, the port corresponds to the mounting hole, so that the rod body part of the connecting bolt in the protective sleeve can penetrate through the mounting hole, and the head part of the connecting bolt cannot penetrate through the mounting hole, thereby forming a situation that the bolt is to be mounted.
Description
Technical Field
The invention relates to the field of assembled steel structures, in particular to a bolt connecting structure with a closed cross section and application thereof.
Background
At present, the structural connection of the closed steel pipes is generally in the following modes:
the field welding is easily affected by external factors, the welding quality is difficult to ensure, the construction speed is slow, and the cost is high;
the unilateral bolt connection can realize unilateral installation and unilateral tightening, the site construction is convenient, welding is not needed, but the unilateral bolt has overhigh manufacturing cost and is difficult to use in large batch, and the diameter of the opening is larger than that of the screw rod, so that the damage to the section of the main material is larger;
a working opening with a large diameter is formed in the closed steel pipe, tools, hands and the like enter the steel pipe to screw bolts, the working opening is welded well after the bolt connection is completed, the mode has large damage to the steel pipe, and the field welding amount is increased. Therefore, a new technical scheme is urgently needed in cost and construction quantity aiming at the connection problems of closed steel pipes, closed structures with closed sections and the like in the prior art.
The pipe wall of the closed section is pre-tapped or welded with a nut, but the connection mode has high processing precision requirement and cannot achieve the effect of high-strength friction type connection.
Disclosure of Invention
The invention aims to solve the problem of difficulty in unidirectional installation of a bolt in assembly type installation in the prior art, and provides a bolt connecting structure with a closed section, which is characterized by comprising the following components:
the mounting device comprises a mounting body, a positioning body and a positioning body, wherein the mounting body is provided with a mounting surface, and a mounting hole communicated with the inner space of the mounting body is formed in the mounting surface;
a port is formed in one end of the protective sleeve, the port is fixed on the inner side of the mounting main body, and the position of the port corresponds to the mounting hole;
the connecting bolt is arranged in the protective sleeve, the rod diameter of the connecting bolt is not larger than the aperture of the mounting hole, and the head size of the connecting bolt is larger than the aperture size of the mounting hole.
The beneficial effects of adopting the above technical scheme are:
the inboard in the mounting hole department of installation main part sets up protection sleeve spare, this protection sleeve spare is fixed in the inboard, and the port corresponds the mounting hole, so that the body of rod part of the connecting bolt in the protection sleeve spare can pass the mounting hole and the head can not pass the mounting hole, form the situation that the bolt was treated and is installed then, when needing the installation, press from both sides out connecting screw's body of rod part with anchor clamps, make its expose in the assembled installation that the installation main part is used for other structure main parts, and is simple and convenient, and required part all is conventional part, and the cost is comparatively economical.
As a preferred embodiment of the present invention, the connecting bolt is a torsional shear type high strength bolt. The head of the twist shear bolt shank is slightly smaller than the shank, thereby providing operating clearance for the clamp.
As a preferred embodiment of this embodiment, the protective sleeve is a protective sleeve, and an open end of the protective sleeve is fixed inside the mounting main body and corresponds to the mounting hole.
As a preferred embodiment of this embodiment, the protective sheath includes a plurality of protective strips and a fixing member, the plurality of protective strips surround to form a cylindrical structure and are fixed by the fixing member, and a gap is formed between adjacent protective strips.
As a preferred embodiment of this embodiment, the protection bar is a steel bar, a steel wire or a steel sheet.
The invention also provides application of the bolt connection structure with the closed section in a beam-column steel structure, which is characterized in that: the mounting main body is a structural upright post, the mounting surface is a side cylindrical surface of the structural upright post, and a mounting hole is formed in the side cylindrical surface and communicated with the inner space of the structural upright post; the port of the protective sleeve is fixed on the inner side of the structural upright column and corresponds to the mounting hole in position, the connecting bolt is arranged in the protective sleeve, the screw rod of the connecting bolt penetrates through the mounting hole, and the head of the connecting bolt abuts against the inner side of the mounting hole of the structural upright column; and a bolt hole is arranged on the structural beam, and a screw rod of the connecting bolt is clamped out by a clamp and penetrates through the bolt hole and then is locked by a nut, so that the structural beam and the structural column are assembled.
The beneficial effects of adopting the above technical scheme are:
the beam column installation node is a common assembly type installation node, and the technical scheme can be well applied when concrete is pre-cast or post-cast in the structural upright column; the side column surface of the structural column is provided with the mounting hole, the aperture is matched with the rod diameter of the mounted bolt, the structural beam is provided with the corresponding bolt hole, after the structural beam is connected with the rod body part of the connecting bolt, the assembly type mounting can be completed by screwing the structural beam through a special bolt screwing tool, and for the integral beam column node, the structure is simple, the integral beam column node can be prefabricated in a factory, the calculation precision of the hole position can be controlled, the site construction is convenient, the cost is low, and the integral beam column node is economical.
As a preferred embodiment of this embodiment, concrete is pre-cast in the structural columns; the protective sleeve is a protective sleeve, and the open end of the protective sleeve is fixed on the inner side of the mounting main body and corresponds to the mounting hole in position.
As a preferred embodiment of this embodiment, concrete is poured into the structural columns after the structural beams and the structural columns are assembled and installed; the protective sheath spare includes many protection strips and mounting, and many protection strips enclose to close and form tubular structure and quilt the mounting is fixed, and is adjacent it is gapped between the protection strip.
As a preferred embodiment of this embodiment, the protection bar is a steel bar or a steel wire.
As a preferred embodiment of this embodiment, the structural columns are rectangular tubes or H-shaped steel.
As a preferred embodiment of this embodiment, an installation plate is disposed at one end of the structural beam, and the bolt hole is opened on the installation plate.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a view showing the effect of the installation of the present invention.
Fig. 3 is an enlarged view of a in fig. 2.
Fig. 4 is a schematic structural view of a torsional shear type high strength bolt.
Detailed Description
The following description is presented to enable any person skilled in the art to make and use the invention and is incorporated in the context of a particular application. Various modifications, as well as various uses in different applications will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to a wide range of embodiments. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
In the following detailed description, numerous specific details are set forth in order to provide a more thorough understanding of the invention. It will be apparent, however, to one skilled in the art that the practice of the invention may not necessarily be limited to these specific details. In other instances, well-known structures and devices are shown in block diagram form, rather than in detail, in order to avoid obscuring the present invention.
The reader's attention is directed to all papers and documents which are filed concurrently with this specification and which are open to public inspection with this specification, and the contents of all such papers and documents are incorporated herein by reference. All the features disclosed in this specification (including any accompanying claims, abstract and drawings) may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise. Thus, unless expressly stated otherwise, each feature disclosed is one example only of a generic series of equivalent or similar features.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
It is noted that, where used, further, preferably, still further and more preferably is a brief introduction to the exposition of the alternative embodiment on the basis of the preceding embodiment, the contents of the further, preferably, still further or more preferably back band being combined with the preceding embodiment as a complete constituent of the alternative embodiment. Several further, preferred, still further or more preferred arrangements of the belt after the same embodiment may be combined in any combination to form a further embodiment.
The invention is described in detail below with reference to the figures and specific embodiments. It is noted that the aspects described below in connection with the figures and the specific embodiments are only exemplary and should not be construed as imposing any limitation on the scope of the present invention.
Referring to fig. 1 to 4, the present embodiment provides a bolt connection structure with a closed cross section, which includes a mounting main body 1, a protective sheath 2 and a connecting bolt 3; the mounting body 1 is provided with a mounting surface, and a mounting hole 11 communicated with the inner space of the mounting body 1 is formed in the mounting surface; the port is fixed on the inner side of the mounting main body 1 and corresponds to the mounting hole 11 in position; the connecting bolt 3 is arranged in the protective sleeve 2, the rod diameter of the connecting bolt 3 is not larger than the aperture of the mounting hole 11, and the size of the head 31 of the connecting bolt 3 is larger than the aperture of the mounting hole 11. The inner side of the mounting hole 11 of the mounting main body 1 is provided with the protective sleeve 2, the protective sleeve 2 is fixed on the inner side, the port corresponds to the mounting hole 11, so that the rod body part of the connecting bolt 3 in the protective sleeve 2 can pass through the mounting hole 11, and the head part 31 cannot pass through the mounting hole 11, thereby forming a bolt situation to be mounted, when mounting is needed, the rod body part of the connecting screw rod is clamped by a clamp, so that the connecting screw rod is exposed out of the mounting main body 1 for mounting of other structural main bodies, the mounting structure is simple and convenient, required components are conventional components, and the cost is economic.
In order to achieve construction standardization during construction, the diameter of the mounting hole 11 is the same as the rod diameter of the connecting bolt 3, and it is preferable that the connecting bolt 3 is a torsional shear type high-strength bolt. The diameter of the plum-blossom-shaped head 32 of the torsional shear type high-strength bolt screw is slightly smaller than that of the screw, so that an operating clearance for clamping the mounting hole 11 is provided for the clamp.
Further, a small hole 321 is formed at the end of the quincunx head 32, and a small rod with an elastic rubber head can be inserted into the small hole 321 when the connecting bolt 3 is pulled out of the mounting hole 11, and then pulled out of the mounting hole 11 for mounting. This embodiment may operate in place of a clamp.
Further, concrete is poured in the installation body 1 in conventional construction, and pouring is performed in advance and after assembly connection according to the construction process, and for the two cases, the structure of the protective sleeve 2 can be implemented as the following two cases:
first, in the case that concrete is poured in advance in the mounting main body 1, the protective sleeve 2 is a protective sleeve, an open end of the protective sleeve is fixed inside the mounting main body 1, and a position of the open end corresponds to the mounting hole 11. Due to the design, the protective sleeve and the concrete are mutually separated, the connecting bolt 3 cannot be fixed, and the connecting bolt 3 is convenient to take out;
secondly, after the connecting bolts 3 of the installation main body 1 are assembled with other external structures through bolts, concrete is poured, the protection sleeve 2 comprises a plurality of protection strips and a fixing piece, the protection strips are enclosed to form a cylindrical structure and are fixed by the fixing piece, and gaps are reserved between the adjacent protection strips. And the concrete and the connecting bolt 3 which is installed are coated during the later pouring, so that a better structural stability effect is achieved. Preferably, the protective strip is implemented as a series of strips of steel strip, long steel strip, steel wire, steel bar, etc. without being limited thereto.
The invention further provides an application of the bolt connection structure with the closed cross section in a beam-column steel structure, wherein in an assembly type steel structure, the installation of beam-column joints is always the technical key point in the industry, and the technical scheme described in the embodiment is well applied to the assembly type installation of the beam-column joints to form a novel beam-column assembly type joint structure. The method comprises the following specific steps:
the mounting main body 1 is a structural upright post, the mounting surface is a side cylindrical surface of the structural upright post, and a mounting hole 11 is formed in the side cylindrical surface and communicated with the inner space of the structural upright post; the port of the protective sleeve 2 is fixed on the inner side of the structural upright column and corresponds to the mounting hole 11 in position, the connecting bolt 3 is arranged in the protective sleeve 2, the screw rod of the connecting bolt 3 penetrates through the mounting hole 11, and the head 31 of the connecting bolt 3 abuts against the inner side of the mounting hole 11 of the structural upright column; and a bolt hole 51 is arranged on the structural beam 4, and a screw rod of the connecting bolt 3 is clamped by a clamp and penetrates through the bolt hole 51 to be locked by a nut 6, so that the assembled installation of the structural beam 4 and the structural column is formed. The beam column installation node is a common assembly type installation node, and the technical scheme can be well applied when concrete is pre-cast or post-cast in the structural upright column; the side column surface of the structural column is provided with the mounting hole 11, the aperture size is matched with the rod diameter size of the mounted bolt, the structural beam 4 is provided with the corresponding bolt hole 51 and is connected with the rod body part of the connecting bolt 3, and then the assembly type mounting can be completed by screwing through a special bolt screwing tool.
Further, concrete is poured in the installation body 1 in conventional construction, and pouring is performed in advance and after assembly connection according to the construction process, and for the two cases, the structure of the protective sleeve 2 can be implemented as the following two cases:
first, in the case that concrete is poured in advance in the mounting main body 1, the protective sleeve 2 is a protective sleeve, an open end of the protective sleeve is fixed inside the mounting main body 1, and a position of the open end corresponds to the mounting hole 11. Due to the design, the protective sleeve and the concrete are mutually separated, the connecting bolt 3 cannot be fixed, and the connecting bolt 3 is convenient to take out;
secondly, after the connecting bolts 3 of the installation main body 1 are assembled with other external structures through bolts, concrete is poured, the protection sleeve 2 comprises a plurality of protection strips and a fixing piece, the protection strips are enclosed to form a cylindrical structure and are fixed by the fixing piece, and gaps are reserved between the adjacent protection strips. And the concrete and the connecting bolt 3 which is installed are coated during the later pouring, so that a better structural stability effect is achieved. Preferably, the protective strip is implemented as a series of strips of steel strip, long steel strip, steel wire, steel bar, etc. without being limited thereto.
Furthermore, the structural column can be a rectangular pipe or H-shaped steel.
Still further, one end of the structural beam 4 is provided with a mounting plate 5, and the bolt hole 51 is opened on the mounting plate 5. Facilitating the connection of the end of the structural beam 4 with the connecting bolt 3.
It should be noted that the above embodiments describe the structure and application of the embodiments in the beam-column structure, but should not be limited thereto, and any two assembled bodies may be applied, for example: the mounting body can be a structural upright post or a structural beam, i.e. an application between two structural beams.
While the present invention has been described in detail and with reference to the embodiments thereof as illustrated in the accompanying drawings, it will be apparent to one skilled in the art that various changes and modifications can be made therein. Therefore, certain details of the embodiments are not to be interpreted as limiting, and the scope of the invention is to be determined by the appended claims.
Claims (10)
1. A bolted connection of closed cross-section, characterized by comprising:
the mounting device comprises a mounting body, a positioning body and a positioning body, wherein the mounting body is provided with a mounting surface, and a mounting hole communicated with the inner space of the mounting body is formed in the mounting surface;
a port is formed in one end of the protective sleeve, the port is fixed on the inner side of the mounting main body, and the position of the port corresponds to the mounting hole;
the connecting bolt is arranged in the protective sleeve, the rod diameter of the connecting bolt is not larger than the aperture of the mounting hole, and the head size of the connecting bolt is larger than the aperture size of the mounting hole.
2. A closed-section bolt-connecting structure according to claim 1, wherein: the protective sleeve is a protective sleeve, and the open end of the protective sleeve is fixed on the inner side of the mounting main body and corresponds to the mounting hole in position.
3. A closed-section bolt-connecting structure according to claim 1, wherein: the protective sheath spare includes many protection strips and mounting, and many protection strips enclose to close and form tubular structure and quilt the mounting is fixed, and is adjacent it is gapped between the protection strip.
4. A closed-section bolt-connecting structure according to claim 3, wherein: the protection strip is a steel bar or a steel wire or a steel sheet.
5. Use of a closed section bolted construction according to any one of the preceding claims in a beam column steel construction, characterized in that: the mounting main body is a structural upright post, the mounting surface is a side cylindrical surface of the structural upright post, and a mounting hole is formed in the side cylindrical surface and communicated with the inner space of the structural upright post; the port of the protective sleeve is fixed on the inner side of the structural upright column and corresponds to the mounting hole in position, the connecting bolt is arranged in the protective sleeve, the screw rod of the connecting bolt penetrates through the mounting hole, and the head of the connecting bolt abuts against the inner side of the mounting hole of the structural upright column; and a bolt hole is arranged on the structural beam, and a screw rod of the connecting bolt is clamped out by a clamp and penetrates through the bolt hole and then is locked by a nut, so that the structural beam and the structural column are assembled.
6. Use of a closed section bolted construction according to claim 5 in a beam column steel construction, characterized in that: concrete is precast in the structural columns; the protective sleeve is a protective sleeve, and the open end of the protective sleeve is fixed on the inner side of the mounting main body and corresponds to the mounting hole in position.
7. Use of a closed section bolted construction according to claim 5 in a beam column steel construction, characterized in that: pouring concrete in the structural column after the structural beam and the structural column are assembled and installed; the protective sheath spare includes many protection strips and mounting, and many protection strips enclose to close and form tubular structure and quilt the mounting is fixed, and is adjacent it is gapped between the protection strip.
8. Use of a closed section bolted construction according to claim 7 in a beam column steel construction, characterized in that: the protection strip is a steel bar or a steel wire.
9. Use of a closed section bolted construction according to claim 5 in a beam column steel construction, characterized in that: the structural column is a rectangular pipe or H-shaped steel.
10. Use of a closed section bolted construction according to claim 5 in a beam column steel construction, characterized in that: one end of the structural beam is provided with a mounting plate, and the bolt holes are formed in the mounting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111521173.4A CN114182830A (en) | 2021-12-13 | 2021-12-13 | Bolt connection structure with closed section and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111521173.4A CN114182830A (en) | 2021-12-13 | 2021-12-13 | Bolt connection structure with closed section and application thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114182830A true CN114182830A (en) | 2022-03-15 |
Family
ID=80604767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111521173.4A Pending CN114182830A (en) | 2021-12-13 | 2021-12-13 | Bolt connection structure with closed section and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114182830A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204284137U (en) * | 2014-12-15 | 2015-04-22 | 东南大学 | A kind of monolateral self-locking bolt fastening piece |
| WO2016169649A1 (en) * | 2015-04-19 | 2016-10-27 | Marco Oroz | Construction kit |
| CN109024900A (en) * | 2018-08-14 | 2018-12-18 | 清华大学 | A kind of detachable assembling type steel construction combination bean column node |
| CN111945628A (en) * | 2020-08-10 | 2020-11-17 | 华蓝设计（集团）有限公司 | Repairable assembly type combined anti-collision guardrail and construction method thereof |
-
2021
- 2021-12-13 CN CN202111521173.4A patent/CN114182830A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204284137U (en) * | 2014-12-15 | 2015-04-22 | 东南大学 | A kind of monolateral self-locking bolt fastening piece |
| WO2016169649A1 (en) * | 2015-04-19 | 2016-10-27 | Marco Oroz | Construction kit |
| CN109024900A (en) * | 2018-08-14 | 2018-12-18 | 清华大学 | A kind of detachable assembling type steel construction combination bean column node |
| CN111945628A (en) * | 2020-08-10 | 2020-11-17 | 华蓝设计（集团）有限公司 | Repairable assembly type combined anti-collision guardrail and construction method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 马强强等: "全装配式组合螺栓连接节点抗震性能研究", 《钢结构》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3399120B1 (en) | Anchor framework assembly with two spaced framework elements method of erecting the framework assembly | |
| JP2009228276A (en) | Vibration control damper and mounting structure thereof | |
| US20050204690A1 (en) | Method of reinforcing opening of steel frame girder | |
| KR20110018581A (en) | Structure for connecting and jointing square still supporting beam in temporary soil sheathing and reinforcing members for the same | |
| CN105239787B (en) | Complete spliced concrete frame bracing means and its construction method | |
| JP2005097919A (en) | Bolt joint construction method for steel frame column by use of energy absorbing member and joint structure | |
| EP2354379B1 (en) | Container with flange connection and welded inner seam, in particular silo | |
| CN114182830A (en) | Bolt connection structure with closed section and application thereof | |
| US8341893B2 (en) | Seismic coupler | |
| EP1583683A1 (en) | Assembly for connecting a tubular first component to a second component | |
| EP2146004A2 (en) | Shear pin connection | |
| JP3369737B2 (en) | One side bolt joint structure between steel pipe columns | |
| JP2826269B2 (en) | Column / beam joint structure using one side bolt | |
| CN209975752U (en) | Integrated prefabricated wallboard house structure | |
| JP6587111B2 (en) | Braces and brace mounting structure | |
| JP2007205162A (en) | Method of reinforcing opening of steel frame girder | |
| CN114144558A (en) | Steel bar joint, steel bar assembly and prefabricated reinforced concrete body | |
| CN117248520B (en) | Auxiliary device for quick positioning of filling pile reinforcement cage | |
| TWI621759B (en) | The hinged brace element. | |
| CN110158783B (en) | Integrated prefabricated wallboard house structure | |
| KR102160937B1 (en) | Coupling device and method for preformed bar arrangement using threaded reinforcing bars | |
| JPS62189230A (en) | Apparatus for connecting iron bar beam through iron pillar having closed cross-section and connection fittings | |
| JP5571896B2 (en) | Brace material | |
| DE19741129C1 (en) | Releasable coupling for parallel building profiles | |
| JPH01275818A (en) | Joining structure of closed sectional steel column and beam |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220315 |