CN114396176B - Reinforcing device and reinforcing method for steel beam column connecting node - Google Patents
Reinforcing device and reinforcing method for steel beam column connecting node Download PDFInfo
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- CN114396176B CN114396176B CN202210245794.2A CN202210245794A CN114396176B CN 114396176 B CN114396176 B CN 114396176B CN 202210245794 A CN202210245794 A CN 202210245794A CN 114396176 B CN114396176 B CN 114396176B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
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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
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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
- E04B1/38—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
- E04B1/5831—Connections for building structures in general of bar-shaped building elements with a closed cross-section of substantially rectangular form
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling 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
- E04B1/18—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
- E04B2001/2406—Connection nodes
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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
- E04B2001/2415—Brackets, gussets, joining plates
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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
- E04B2001/2466—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
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
- E04B2001/5875—Connections for building structures in general of bar-shaped building elements using exterior clamping plates or shells
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Joining Of Building Structures In Genera (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention provides a reinforcing device and a reinforcing method for a steel beam-column connection node, which solve the problems that a connection seat and bolts penetrating through the connection seat and the steel beam end are easy to deform due to larger stress when in use, and the connection seat and the steel beam end are loose. According to the invention, the steel beam far from the supporting seat is hung by the additionally arranged cable-stayed piece on the contact of the end parts of the steel beam fixedly connected and supported by the supporting piece, so that when the steel beam is stressed, the steel beam takes the overhanging end of the supporting seat as a boundary point, the part of the steel beam far from the supporting seat has a downward trend, and at the moment, the part of the steel beam far from the supporting seat is pulled by the cable-stayed plate; the end part of the steel beam on the supporting seat has a tendency of tilting upwards, and the supporting seat which is detachably and fixedly connected with the steel beam resists the vertical pulling force generated when the end part of the steel beam tilts upwards, so that the risks of deformation of the connecting seat and looseness of the connecting seat and the end part of the steel beam are reduced, and the safety performance is improved.
Description
Technical Field
The invention relates to the technical field of building steel structures, in particular to a reinforcing device and a reinforcing method for a steel beam and column connecting node.
Background
Compared with the traditional concrete building, the steel structure building has the advantages that the steel plate or the section steel is used for replacing reinforced concrete, the strength is higher, the shock resistance is better, the construction period is greatly reduced because the components can be manufactured in a factory and installed on site, and the construction waste can be greatly reduced because the steel can be recycled, so that the steel structure building is more environment-friendly, is widely used in industrial buildings and civil buildings all over the world.
When the existing steel columns are connected with the steel beams, a connecting seat is welded at a connecting node of each steel column, and when the steel columns are connected with the steel beams, the connecting seat is fixedly connected with the end parts of the steel beams through bolts.
When in actual use, because the connecting seat only has the supporting effect on the end part of the steel beam, the middle part stress of the steel beam is prevented from causing the upward tilting of the end part by only penetrating the bolts in the connecting seat and the end part of the steel beam, so that the stress of the bolts and the connecting seat is larger, the connecting seat and the bolts are easy to deform, nuts of the bolts are easy to withdraw wires, and the connecting seat and the end part of the steel beam are loose, thereby having certain potential safety hazards.
Disclosure of Invention
In order to solve the problems that in the background art, a connecting seat and bolts penetrating through the connecting seat and the end parts of a steel beam are easy to deform due to larger stress when in use, and the connecting seat and the end parts of the steel beam are loose, the invention provides a reinforcing device and a reinforcing method of a beam-column connecting node of the steel beam.
The technical scheme of the invention is as follows: a reinforcing device for a steel beam and column connecting node comprises a steel column vertically arranged and a steel beam extending along the left-right direction;
the steel column is provided with a foundation connecting piece, the foundation connecting piece comprises a first channel steel piece and a supporting seat, the first channel steel piece is of a channel steel structure with one side open and penetrating up and down, the first channel steel piece is detachably and fixedly arranged on the steel column, one end of the supporting seat is fixedly arranged in the middle of the first channel steel piece, and the other end of the supporting seat is in a overhanging state;
the end part of the steel beam is erected on the supporting seat and is detachably and fixedly connected with the supporting seat;
the upper part of the first channel steel piece is detachably and fixedly connected with a cable-stayed piece, the cable-stayed piece comprises a second channel steel piece and a cable-stayed plate, the second channel steel piece is of a channel steel structure with an opening at one side and penetrating up and down, the opening of the second channel steel piece faces to one side far away from the steel beam, the second channel steel piece is detachably and fixedly arranged on the upper part of the basic connecting piece, and the second channel steel piece is positioned above the supporting seat;
the upper end of the inclined pull plate is fixedly connected with the second channel steel piece, the lower end of the inclined pull plate obliquely extends in a direction away from the steel column, the lower end of the inclined pull plate is detachably and fixedly connected with the steel beam, and the horizontal vertical distance between the connection part of the lower end of the inclined pull plate and the steel beam and the steel column is greater than the length of the supporting seat.
Preferably, the lower part of the first channel steel piece is detachably and fixedly provided with an inclined support plate, the upper end of the inclined support plate extends upwards in an inclined way towards the direction away from the first channel steel piece, the upper end of the inclined support plate is propped against one end, away from the first channel steel piece, of the bottom of the supporting seat, and the upper end of the inclined support plate is detachably and fixedly connected with the supporting seat.
Preferably, an L-shaped plate is arranged below the supporting seat and comprises a first vertical plate and a first horizontal plate fixedly arranged at the top of the first vertical plate;
the first vertical plate is detachably and fixedly connected with the first channel steel piece;
the width of the first horizontal plate is larger than or equal to the length of the supporting seat;
the lower extreme of diagonal brace board is removable fixed connection with the lower part of first riser, and the top of diagonal brace board is removable fixed connection with the one end bottom that first horizontal plate kept away from first riser.
Preferably, the supporting seat is of a channel steel structure with a left-right through and an upper opening, and the two side plates and the steel beam of the supporting seat are internally provided with third bolts extending along the front-back direction in a penetrating way;
the diagonal bracing plate comprises a second vertical plate, a first inclined plate and a second horizontal plate which are sequentially connected from bottom to top;
the second vertical plate is detachably and fixedly connected with the first channel steel piece;
the upper end of the first sloping plate extends obliquely upwards in a direction away from the first channel steel piece;
the second horizontal plate is supported and is leaned on the one end bottom that first riser was kept away from to first horizontal plate, wears to be equipped with in second horizontal plate, first riser and the girder steel along the second bolt of upper and lower extension, and the third bolt is located between second bolt and the first channel-section steel spare.
Preferably, the steel column is inserted in the first channel steel piece, a plurality of first bolts which are arranged at intervals along the up-down direction are arranged in the steel column and the first channel steel piece in a penetrating manner, the first bolts extend along the front-back direction, and the first channel steel piece is fixed on the steel column through the first bolts.
Preferably, the second channel steel piece is sleeved on the upper portion of the first channel steel piece, and the second channel steel piece, the first channel steel piece and the steel column are fixedly connected through the first bolt.
Preferably, the cable-stayed plate comprises a third vertical plate, a second inclined plate and a third horizontal plate which are sequentially connected from top to bottom;
the third vertical plate is fixedly connected with one side of the second channel steel piece, which faces the steel beam;
the lower end of the second sloping plate extends obliquely in a direction away from the steel column;
the third horizontal plate is propped against the top of the steel beam, and the second bolts are respectively arranged in the third horizontal plate and the steel beam in a penetrating way, extend along the vertical direction, and are fixedly connected with the steel beam through the second bolts.
The reinforcing method of the steel beam and column connecting node is characterized by comprising the following steps of: s1, prefabricating steel columns, steel beams, basic connecting pieces and inclined pulling pieces in a factory according to field checking data and design drawings;
s2, before construction, firstly fixing a basic connecting piece on a steel column according to a design drawing;
s3, during construction, installing and fixing the steel column at a preset position according to a design drawing, and hoisting and placing the steel beam on a supporting seat of a basic connecting piece;
s4, after the steel beam is hoisted, a constructor stands on the construction platform to fixedly connect the supporting seat with the steel beam, the second channel steel piece of the inclined pulling piece is fixedly arranged on the upper portion of the first channel steel piece, and the lower end of the inclined pulling plate is fixedly connected with the steel beam, so that reinforcement can be completed.
The invention has the advantages that: according to the invention, the steel beams far away from the supporting seat are suspended by the additionally arranged cable-stayed piece on the contact of the end parts of the steel beams fixedly connected and supported by the supporting piece, so that when the steel beams are stressed, the steel beams take the overhanging end of the supporting seat as a boundary point, the part of the steel beams far away from the supporting seat has a downward trend, and at the moment, the part of the steel beams far away from the supporting seat is pulled by the cable-stayed plate; the end part of the steel beam on the supporting seat has a tendency of tilting upwards, and the supporting seat which is detachably and fixedly connected with the steel beam resists the vertical pulling force generated when the end part of the steel beam tilts upwards, so that the risks of deformation of the connecting seat and looseness of the connecting seat and the end part of the steel beam are reduced, and the safety performance is improved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic main structure of embodiment 1;
FIG. 2 is a schematic view of the base connector of FIG. 1;
FIG. 3 is a schematic view of the L-shaped plate of FIG. 1;
FIG. 4 is a schematic view of the diagonal strut plate of FIG. 1;
FIG. 5 is a schematic view of the diagonal member of FIG. 1;
in the figure, 1, steel columns, 2, steel beams, 3, a first channel steel member, 301, a first screw hole, 302, a second screw hole, 4, a supporting seat, 401, a third screw hole, 402, a fourth screw hole, 5, an L-shaped plate, 501, a first vertical plate, 502, a first horizontal plate, 503, a fifth screw hole, 504, a sixth screw hole, 6, a diagonal bracing plate, 601, a second vertical plate, 602, a first diagonal plate, 603, a second horizontal plate, 604, a seventh screw hole, 605, an eighth screw hole, 7, a second channel steel member, 701, a ninth screw hole, 8, a diagonal bracing plate, 801, a third vertical plate, 802, a second diagonal plate, 803, a third horizontal plate, 804, a tenth screw hole, 9, a first bolt, 10 and a second bolt.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without any inventive effort, are intended to be within the scope of the invention.
Example 1: the utility model provides a reinforcing apparatus of girder steel beam column connected node, includes the girder steel 2 that the girder steel column 1 of vertical setting and along controlling the orientation extension, and the girder steel 1 and the girder steel 2 in this embodiment all adopt the square steel structure. As shown in fig. 1, this embodiment takes the structure of the connection between the left end of the steel beam 2 and the steel column 1 as an example, and the structure of the connection between the right end of the steel beam 2 and the steel column 1 is bilaterally symmetrical to the structure shown in fig. 1.
As shown in fig. 1, a steel column 1 is provided with a base connection member, which, as shown in fig. 2, comprises a first channel member 3 and a bearing block 4.
The first channel steel member 3 is a channel steel structure which is transparent up and down and is left-opened. The front side plate and the rear side plate of the first channel steel member 3 are provided with three first screw holes 301 corresponding to each other in the front-back direction at intervals, and the right side plate of the first channel steel member 3 is provided with four second screw holes 302 penetrating from left to right.
Three eleventh screw holes corresponding to the first screw holes 301 in front and back are formed in the steel column 1, first bolts 9 penetrate through the first screw holes 301 and the eleventh screw holes, and the first channel steel piece 3 is fixed on the steel column 1 through the first bolts 9.
The supporting seat 4 is of a channel steel structure with a left-right through and an upper opening, the left end of the supporting seat 4 is welded with the right side plate of the first channel steel piece 3, and the right end of the supporting seat 4 is in a overhanging state. The support seat 4 is located above the second screw hole 302.
Fourth screw holes 402 corresponding to each other in the front and rear are respectively arranged on the front side plate and the rear side plate of the supporting seat 4, the left end of the steel beam 2 is arranged on the supporting seat 4, a twelfth screw hole penetrating in the front and rear is arranged in the steel beam 2, the twelfth screw hole corresponds to the fourth screw hole 402 in the front and rear, and a third bolt extending in the front and rear direction is arranged in the twelfth screw hole and the fourth screw hole 402 in a penetrating mode.
The third bolt is matched with the front side plate and the rear side plate of the supporting seat 4 in a direction to resist the vertical pulling force generated when the end part of the steel beam 2 is tilted upwards.
The upper part of the first channel steel member 3 is provided with a diagonal member. As shown in fig. 1 and 5, the cable-stayed member comprises a second channel member 7 and a cable-stayed plate 8.
The second channel steel member 7 is a channel steel structure with a left side opening and a vertical penetrating structure, and the opening of the second channel steel member 7 faces to one side far away from the steel beam 2.
The front side plate and the rear side plate of the second channel steel member 7 are respectively provided with a ninth screw hole 701 which corresponds to the front side plate and the rear side plate, the ninth screw holes 701 correspond to the uppermost first screw holes 301 in the front-back side, and the uppermost first bolts 9 are simultaneously penetrated in the ninth screw holes 701, the uppermost first screw holes 301 and the eleventh screw holes, so that the second channel steel member 7 is fixed on the upper portion of the first channel steel member 3.
The first channel steel piece 3 and the second channel steel piece 7 all adopt left open channel steel structure, after the installation of later stage steel column 1 is accomplished, first channel steel piece 3 and second channel steel piece 7 can very conveniently attach and install on steel column 1, and need not from the top down cover on steel column 1, and construction and dismantlement are all more convenient.
The second channel member 7 is located above the bearing block 4.
The inclined pull plate 8 includes a third riser 801, a second inclined plate 802, and a third horizontal plate 803 connected in this order from the top down.
The third vertical plate 801 is welded with the right side of the second channel steel member 7.
The lower end of the second inclined plate 802 extends obliquely downward in a direction away from the steel column 1.
The third horizontal plate 803 is supported against the top of the steel beam 2, and the third horizontal plate 803 and the steel beam 2 are internally and respectively provided with a second bolt 10 in a penetrating way, the second bolts 10 extend along the up-down direction, the third horizontal plate 803 is provided with a tenth screw hole 804 which is vertically penetrating, the tenth screw hole 804 and the steel beam 2 are internally provided with the second bolts 10 in a penetrating way, and the third horizontal plate 803 is fixedly connected with the steel beam 2 through the second bolts 10.
The horizontal and vertical distance between the second bolt 10 and the steel column 1 is larger than the length of the supporting seat 4, so that when the steel beam 2 is stressed, the steel beam 2 takes the right end of the supporting seat 4 as a demarcation point, the steel beam 2 on the right side of the supporting seat 4 has a downward trend, and at the moment, the steel beam 2 on the right side of the supporting seat 4 is pulled by the cable-stayed plate 8; the end part of the steel beam 2 on the supporting seat 4 has a tendency of tilting upwards, and at the moment, the third bolt is matched with the front side plate and the rear side plate of the supporting seat 4 upwards to resist the vertical pulling force generated when the end part of the steel beam 2 is tilted upwards.
The inclined pulling piece can effectively reduce the stress of the supporting seat 4 and the third bolt, further reduce the risks that the supporting seat 4 and the third bolt are easy to deform and the nuts of the third bolt are easy to withdraw and the ends of the supporting seat 4 and the steel beam 2 are easy to loosen due to the fact that the stress of the supporting seat 4 and the third bolt penetrating through the ends of the supporting seat 4 and the steel beam 2 is large when the inclined pulling piece is used, and improve the safety performance.
In order to further improve the deformation resistance of the support seat 4, as shown in fig. 1, a triangular support frame is provided below the support seat 4, and the triangular support frame includes an L-shaped plate 5 and a diagonal support plate 6.
As shown in fig. 3, the L-shaped plate 5 includes a first riser 501 and a first horizontal plate 502 fixedly provided on top of the first riser 501.
The first vertical plate 501 is provided with a fifth screw hole 503 corresponding to the second screw hole 302 in the left-right direction.
The width of the first horizontal plate 502 is greater than or equal to the length of the supporting seat 4, and two sixth screw holes 504 are formed in the right portion of the first horizontal plate 502 at intervals. The right part of the bottom plate of the supporting seat 4 is provided with two third screw holes which are arranged at intervals in the front-back direction, and the third screw holes correspond to the sixth screw holes 504 in the upper-lower direction.
As shown in fig. 4, the gusset plate 6 includes a second riser 601, a first inclined plate 602, and a second horizontal plate 603 connected in order from bottom to top.
The second vertical plate 601 is provided with a seventh screw hole 604 corresponding to the fifth screw hole 503 in the left-right direction, and fourth bolts are arranged in the steel column 1, the second screw hole 302, the fifth screw hole 503 and the seventh screw hole 604 in a penetrating manner, extend in the left-right direction and are staggered up and down with the first bolts 9.
The upper end of the first inclined plate 602 extends obliquely upward in a direction away from the first channel member 3.
The second horizontal plate 603 is propped against the bottom of one end of the first horizontal plate 502, which is far away from the first vertical plate 501, an eighth screw hole 605 which is penetrated from top to bottom is arranged on the second horizontal plate 603, fifth bolts are respectively penetrated in the eighth screw hole 605, the sixth screw hole 504, a third screw hole on the bottom plate of the supporting seat 4 and the steel beam 2, the fifth bolts extend along the up-down direction, and the fifth bolts are positioned on the right side of the fourth screw hole 402.
The fifth bolt is matched with the bottom of the supporting seat 4 and the right end of the triangular support frame, so that the thrust of the end part of the steel beam 2 to the front side plate and the rear side plate of the supporting seat 4 can be reduced, and the deformation resistance of the supporting seat 4 and the wire-falling prevention performance of the third bolt arranged in the fourth screw hole 402 are improved.
The reinforcing method of the steel beam and column connecting node is characterized by comprising the following steps of: s1, prefabricating a steel column 1, a steel beam 2, a foundation connecting piece and a cable-stayed piece in a factory according to field checking data and a design drawing;
s2, before construction, firstly fixing a basic connecting piece and a triangular support frame on a steel column 1 through bolts according to a design drawing, wherein the uppermost first bolt 9 is installed at a line part;
s3, during construction, installing and fixing the steel column 1 at a preset position according to a design drawing, hoisting and placing the steel beam 2 on the supporting seat 4 of the foundation connecting piece, and connecting the steel beam 2 and the supporting seat 4 by adopting bolts;
s4, after the steel beam 2 is hoisted, a constructor stands on a construction platform to fixedly connect the supporting seat 4 with the steel beam 2, the second channel steel piece 7 of the inclined pulling piece, the upper part of the first channel steel piece 3 and the steel column 1 are fixedly connected through the first bolt 9, and the lower end of the inclined pulling plate 8 is connected with the steel beam 2 through the bolt, so that the reinforcement of the beam-column connection node of the steel beam is completed.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (8)
1. Reinforcing apparatus of girder steel beam column connected node, its characterized in that: comprises a steel column (1) which is vertically arranged and a steel beam (2) which extends along the left-right direction;
the steel column (1) is provided with a foundation connecting piece, the foundation connecting piece comprises a first channel steel piece (3) and a supporting seat (4), the first channel steel piece (3) is of a channel steel structure with one side open and penetrating up and down, the first channel steel piece (3) is detachably and fixedly arranged on the steel column (1), one end of the supporting seat (4) is fixedly arranged in the middle of the first channel steel piece (3), and the other end of the supporting seat (4) is in a overhanging state;
the end part of the steel beam (2) is erected on the supporting seat (4) and is detachably and fixedly connected with the supporting seat (4);
the upper part of the first channel steel piece (3) is detachably and fixedly connected with a cable-stayed piece, the cable-stayed piece comprises a second channel steel piece (7) and a cable-stayed plate (8), the second channel steel piece (7) is of a channel steel structure with an opening at one side and penetrating up and down, the opening of the second channel steel piece (7) faces to one side far away from the steel beam (2), the second channel steel piece (7) is detachably and fixedly arranged on the upper part of the basic connecting piece, and the second channel steel piece (7) is positioned above the supporting seat (4);
the upper end of inclined pulling plate (8) and second channel-section steel spare (7) fixed connection, the lower extreme of inclined pulling plate (8) is to the direction slope extension of keeping away from steel column (1), and the lower extreme of inclined pulling plate (8) is removable fixed connection with girder steel (2), and the horizontal perpendicular distance between the junction of lower extreme of inclined pulling plate (8) and girder steel (2) and steel column (1) is greater than the length of backup pad (4).
2. A reinforcing apparatus for a steel beam-column connection node as set forth in claim 1, wherein: the lower part of the first channel steel piece (3) is detachably and fixedly provided with an inclined support plate (6), the upper end of the inclined support plate (6) extends upwards in an inclined way towards the direction away from the first channel steel piece (3), the upper end of the inclined support plate (6) is propped against one end, away from the first channel steel piece (3), of the bottom of the supporting seat (4), and the upper end of the inclined support plate (6) is detachably and fixedly connected with the supporting seat (4).
3. A reinforcing apparatus for a steel beam-column connection node as set forth in claim 2, wherein: an L-shaped plate (5) is arranged below the supporting seat (4), and the L-shaped plate (5) comprises a first vertical plate (501) and a first horizontal plate (502) fixedly arranged at the top of the first vertical plate (501);
the first vertical plate (501) is detachably and fixedly connected with the first channel steel piece (3);
the width of the first horizontal plate (502) is larger than or equal to the length of the supporting seat (4);
the lower extreme of bracing board (6) and the detachable fixed connection of the lower part of first riser (501), the top of bracing board (6) and first horizontal plate (502) keep away from the detachable fixed connection of one end bottom of first riser (501).
4. A reinforcing apparatus for a steel beam-column connection node as claimed in claim 3, wherein: the supporting seat (4) is of a channel steel structure with a left-right through and an upper opening, and a third bolt extending along the front-rear direction is arranged in the two side plates of the supporting seat (4) and the steel beam (2) in a penetrating way;
the inclined support plate (6) comprises a second vertical plate (601), a first inclined plate (602) and a second horizontal plate (603) which are sequentially connected from bottom to top;
the second vertical plate (601) is detachably and fixedly connected with the first channel steel piece (3);
the upper end of the first sloping plate (602) extends obliquely upwards in a direction away from the first channel steel piece (3);
the second horizontal plate (603) is propped against the bottom of one end of the first horizontal plate (502) far away from the first vertical plate (501), second bolts (10) extending along the upper and lower directions are arranged in the second horizontal plate (603), the first vertical plate (501) and the steel beam (2) in a penetrating mode, and the third bolts are located between the second bolts (10) and the first channel steel piece (3).
5. A reinforcing apparatus for a steel beam-column connection node according to any one of claims 1 to 4, wherein: the steel column (1) is inserted in the first channel steel piece (3), a plurality of first bolts (9) which are arranged at intervals in the vertical direction are arranged in the steel column (1) and the first channel steel piece (3), the first bolts (9) extend in the front-rear direction, and the first channel steel piece (3) is fixed on the steel column (1) through the first bolts (9).
6. The reinforcing apparatus of a steel beam-column connection node of claim 5, wherein:
the second channel steel piece (7) is sleeved on the upper portion of the first channel steel piece (3), and the second channel steel piece (7), the first channel steel piece (3) and the steel column (1) are fixedly connected through a first bolt (9).
7. The reinforcing apparatus for a steel beam-column connection node of claim 6, wherein: the inclined pull plate (8) comprises a third vertical plate (801), a second inclined plate (802) and a third horizontal plate (803) which are sequentially connected from top to bottom;
the third vertical plate (801) is fixedly connected with one side, facing the steel beam (2), of the second channel steel piece (7);
the lower end of the second inclined plate (802) extends obliquely in a direction away from the steel column (1);
the third horizontal plate (803) is propped against the top of the steel beam (2), and the second bolts (10) are respectively arranged in the third horizontal plate (803) and the steel beam (2) in a penetrating way, the second bolts (10) extend along the up-down direction, and the third horizontal plate (803) is fixedly connected with the steel beam (2) through the second bolts (10).
8. A method of reinforcing a steel beam-column connection node reinforcing apparatus according to claim 1, comprising the steps of: s1, prefabricating a steel column (1), a steel beam (2), a basic connecting piece and a diagonal drawing piece in a factory according to field checking data and a design drawing;
s2, before construction, firstly fixing a basic connecting piece on a steel column (1) according to a design drawing;
s3, during construction, installing and fixing the steel column (1) at a preset position according to a design drawing, and hoisting and placing the steel beam (2) on a supporting seat (4) of a basic connecting piece;
s4, after hoisting of the steel beam (2), a constructor stands on the construction platform to fixedly connect the supporting seat (4) with the steel beam (2), a second channel steel piece (7) of the inclined pulling piece is fixedly arranged on the upper portion of the first channel steel piece (3), and the lower end of the inclined pulling plate (8) is fixedly connected with the steel beam (2), so that reinforcement can be completed.
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| US10294656B2 (en) * | 2017-06-14 | 2019-05-21 | Fox Hardwood Lumber, LLC | Multiple port beam bracket |
| CN107476434B (en) * | 2017-08-25 | 2019-05-31 | 广东省正联钢构工程有限公司 | Beam column antidetonation connecting node and attaching method thereof |
| CN213449591U (en) * | 2020-06-28 | 2021-06-15 | 广东省建筑科学研究院集团股份有限公司 | Adopt channel-section steel to consolidate node reinforced structure of reinforced concrete roof beam |
| CN111980154A (en) * | 2020-08-20 | 2020-11-24 | 中国建筑标准设计研究院有限公司 | Beam-column connecting joint of special-shaped column and construction method |
| CN113737968B (en) * | 2021-09-30 | 2023-03-14 | 江苏远大钢结构工程有限公司 | Reinforcing device and reinforcing method for steel beam-column connection node |
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