CN114396176A - Reinforcing device and reinforcing method for steel beam-column connection node - Google Patents
Reinforcing device and reinforcing method for steel beam-column connection node Download PDFInfo
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- CN114396176A CN114396176A CN202210245794.2A CN202210245794A CN114396176A CN 114396176 A CN114396176 A CN 114396176A CN 202210245794 A CN202210245794 A CN 202210245794A CN 114396176 A CN114396176 A CN 114396176A
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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
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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
- E04B2001/2406—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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- Architecture (AREA)
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- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention provides a reinforcing device and a reinforcing method for a beam-column connection joint of a steel beam, which solve the problems that a connecting seat is easy to deform and the end parts of the connecting seat and the steel beam are loosened due to large stress when the connecting seat and bolts penetrating through the connecting seat and the end parts of the steel beam are used. The invention is on the contact of the end of the steel beam fixedly connected and supported by the supporting member, the steel beam far away from the supporting seat is hung by the additionally arranged diagonal member, so that when the steel beam is stressed, the steel beam takes the cantilever end of the supporting seat as a boundary point, the part of the steel beam far away from the supporting seat has a downward trend, and the part of the steel beam far away from the supporting seat is pulled by the diagonal plate; the tip of the girder steel on the bearing has the trend of perk that makes progress, resists the vertical pulling force that produces when the tip of girder steel upwarps with the bearing of the removable fixed connection of girder steel this moment, and then has reduced the not hard up risk of connecting seat deformation, connecting seat and girder steel tip, has improved the security performance.
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-column connection node.
Background
Compared with the traditional concrete building, the steel plate or the profile steel replaces the reinforced concrete, the steel structure building has higher strength and better shock resistance, the construction period is greatly reduced because the members can be manufactured in a factory and installed on site, and the construction waste can be greatly reduced because the steel can be repeatedly used, is more environment-friendly, is widely adopted by various countries in the world and is applied to industrial buildings and civil buildings.
When connecting between current steel column and the girder steel, mostly be at the connected node welded connection seat of steel column, when steel column and girder steel are connected, pass through bolt fixed connection to the tip of connecting seat and girder steel.
When in actual use, because the connecting seat only has the effect of holding in the palm to the girder steel tip, only lean on the bolt of wearing to establish in connecting seat and the girder steel tip to prevent that the middle part atress of girder steel leads to its tip perk that makes progress for bolt and connecting seat atress are great, lead to connecting seat and easy deformation of bolt, the nut of bolt moves back silk, connecting seat and girder steel tip are not hard up easily, have certain potential safety hazard.
Disclosure of Invention
The invention provides a reinforcing device and a reinforcing method for a connecting node of a steel beam and a beam column, and aims to solve the problems that a connecting seat and bolts penetrating through the connecting seat and the end part of a steel beam are easy to deform and loosen due to large stress when the connecting seat and the bolts are used in the background technology.
The technical scheme of the invention is as follows: a reinforcing device for a beam-column connection joint of a steel beam comprises a vertically arranged steel column 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 attaching piece and a supporting seat, the first attaching piece can be detachably and fixedly arranged on the steel column, one end of the supporting seat is fixedly arranged in the middle of the first attaching piece, and the other end of the supporting seat is in a suspension 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 attachment part is detachably and fixedly connected with an inclined pull part, the inclined pull part comprises a second attachment part and an inclined pull plate, the second attachment part is detachably and fixedly arranged on the upper part of the base connecting part, and the second attachment part is positioned above the supporting seat;
the upper end of the inclined pulling plate is fixedly connected with the second attachment, the lower end of the inclined pulling plate extends obliquely towards the direction far away from the steel column, the lower end of the inclined pulling plate is fixedly connected with the steel beam in a detachable mode, and the horizontal vertical distance between the joint of the lower end of the inclined pulling plate and the steel beam and the steel column is larger than the left length and the right length of the supporting seat.
Preferably, the detachable fixed oblique fagging that is equipped with in lower part of first adhesion piece, the upper end of oblique fagging upwards extends to the direction slope of keeping away from first adhesion piece, and the upper end of oblique fagging supports and leans on the one end of keeping away from first adhesion piece of bearing bottom, and the upper end and the detachable fixed connection of bearing of oblique fagging.
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 attachment;
the left and right width of the first horizontal plate is greater than or equal to the left and right length of the supporting seat;
the lower extreme of fagging and the removable fixed connection in lower part of first riser to one side, the top of fagging and the removable fixed connection in one end bottom that first riser was kept away from to one side horizontal plate.
Preferably, the supporting seat is of a channel steel structure which is through from left to right and is provided with an opening at the upper part, and third bolts extending along the front-back direction penetrate through the two side plates and the steel beam of the supporting seat;
the inclined supporting 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 attachment;
the upper end of the first inclined plate extends upwards in an inclined mode in the direction away from the first attachment piece;
the second horizontal plate supports and leans on the one end bottom of keeping away from the first riser at first horizontal plate, wears to be equipped with the second bolt that extends along the top and bottom in second horizontal plate, first riser and the girder steel, and the third bolt is located between second bolt and the first attachment.
Preferably, the first attachment piece is a channel steel structure with an opening at one side and through up and down, and the opening of the first attachment piece faces to the side far away from the steel beam;
the steel column is inserted and is established in first attachment member, and wears to be equipped with a plurality of first bolts that set up along upper and lower direction interval in steel column and the first attachment member, and first bolt extends along the fore-and-aft direction, and first attachment member passes through first bolt fastening on the steel column.
Preferably, the second attachment part is a channel steel structure with an opening at one side and through up and down, and the opening of the second attachment part faces to the side far away from the steel beam;
the second attachment piece is sleeved on the upper portion of the first attachment piece, and the second attachment piece, the first attachment piece and the steel column are fixedly connected through a first bolt.
Preferably, the inclined pulling 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, facing the steel beam, of the second attachment piece;
the lower end of the second inclined plate extends in an inclined manner in the direction far away from the steel column;
the third horizontal plate supports at the top at the girder steel, and all wears to be equipped with the second bolt in third horizontal plate and the girder steel, and the second bolt extends along upper and lower direction, and the third horizontal plate passes through the second bolt and in girder steel fixed connection.
A method for reinforcing a connecting joint of a steel beam and a steel column is characterized by comprising the following steps: s1, prefabricating a steel column, a steel beam, a foundation connecting piece and a diagonal member in a factory according to on-site check data and a design drawing;
s2, before construction, firstly, fixing a foundation 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 the foundation connecting piece;
and S4, after the steel beam is hoisted, a constructor stands on the construction platform to fixedly connect the supporting seat and the steel beam, fixedly installs the second attachment of the inclined pulling piece on the upper part of the first attachment, and fixedly connects the lower end of the inclined pulling plate with the steel beam, so that reinforcement can be completed.
The invention has the advantages that: the steel beam far away from the supporting seat is hung by the additionally arranged diagonal tension member on the contact of the end parts of the steel beams fixedly connected and supported by the supporting member, so that when the steel beam is stressed, the steel beam takes the cantilever end of the supporting seat as a boundary point, the part of the steel beam far away from the supporting seat has a downward trend, and the part of the steel beam far away from the supporting seat is pulled by the diagonal tension plate; the tip of the girder steel on the bearing has the trend of perk that makes progress, resists the vertical pulling force that produces when the tip of girder steel upwarps with the bearing of the removable fixed connection of girder steel this moment, and then has reduced the not hard up risk of connecting seat deformation, connecting seat and girder steel tip, has improved the security performance.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the main structure of example 1;
FIG. 2 is a schematic view of the basic connector of FIG. 1;
FIG. 3 is a schematic structural view of the L-shaped plate of FIG. 1;
fig. 4 is a schematic structural view of the inclined strut plate in fig. 1;
FIG. 5 is a schematic structural view of the diagonal draw member of FIG. 1;
in the figure, 1, a steel column, 2, a steel beam, 3, a first attachment, 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, an inclined strut, 601, a second vertical plate, 602, a first inclined plate, 603, a second horizontal plate, 604, a seventh screw hole, 605, an eighth screw hole, 7, a second attachment, 701, a ninth screw hole, 8, an inclined pulling plate, 801, a third vertical plate, 802, a second inclined plate, 803, a third horizontal plate, 804, a tenth screw hole, 9, a first bolt, 10, and a second bolt.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
Example 1: the utility model provides a reinforcing apparatus of girder steel beam-column connected node, includes steel column 1 of vertical setting and girder steel 2 that extends along left right direction, and what steel column 1 and girder steel 2 all adopted in this embodiment is the square steel structure. As shown in fig. 1, in the present embodiment, a structure of a connection portion between the left end of the steel beam 2 and the steel column 1 is taken as an example, and a structure of a connection portion between the right end of the steel beam 2 and the steel column 1 is bilaterally symmetric to the structure shown in fig. 1.
As shown in fig. 1, the steel column 1 is provided with a base connecting member, which includes a first attachment member 3 and a support base 4, as shown in fig. 2.
The first attachment 3 is a channel steel structure which is through from top to bottom and has a left opening. The front side plate and the rear side plate of the first attachment part 3 are respectively provided with three front and rear corresponding first screw holes 301 at intervals up and down, and the right side plate of the first attachment part 3 is provided with four left and right through second screw holes 302.
The steel column 1 is provided with three eleventh screw holes corresponding to the front and the back of the first screw hole 301, the first screw hole 301 and the eleventh screw hole are internally provided with a first bolt 9 in a penetrating manner, and the first attachment piece 3 is fixed on the steel column 1 through the first bolt 9.
The supporting seat 4 is of a channel steel structure which is through from left to right and is provided with an upper opening, the left end of the supporting seat 4 is connected with the right side plate of the first attachment 3 in a welding mode, and the right end of the supporting seat 4 is in a cantilever state. The bearing block 4 is located above the second threaded hole 302.
The third bolt is matched with the front side plate and the rear side plate of the supporting seat 4 in a radial direction so as 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 attachment member 3 is provided with a diagonal member. As shown in fig. 1 and 5, the diagonal member includes a second attachment member 7 and a diagonal member 8.
The second attachment member 7 is a channel steel structure with an opening at the left side and is through up and down, and the opening of the second attachment member 7 faces the side far away from the steel beam 2.
The front side plate and the rear side plate of the second attachment 7 are respectively provided with a ninth screw hole 701 corresponding to each other in the front-rear direction, the ninth screw hole 701 corresponds to the uppermost first screw hole 301 in the front-rear direction, and the uppermost first bolt 9 is simultaneously inserted into the ninth screw hole 701, the uppermost first screw hole 301 and the eleventh screw hole, so that the second attachment 7 is fixed to the upper portion of the first attachment 3.
First attached component 3 and second attached component 7 all adopt left open-ended channel-section steel structure, are for the installation of later stage steel column 1 to accomplish the back, and first attached component 3 and second attached component 7 can be attached to very conveniently and install on steel column 1, and need not to overlap from the top down on steel column 1, and the construction is all more convenient with the dismantlement.
The second attachment 7 is located above the bearing block 4.
The inclined pulling 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 welded to the right side of the second attachment 7.
The lower end of the second sloping plate 802 extends obliquely downward away from the steel column 1.
The third horizontal plate 803 is supported by the top at girder steel 2, and all wears to be equipped with the second bolt 10 in third horizontal plate 803 and the girder steel 2, and the second bolt 10 extends along upper and lower direction, is equipped with penetrating tenth screw 804 from top to bottom on the third horizontal plate 803, wears to be equipped with the second bolt 10 in tenth screw 804 and the girder steel 2, and the third horizontal plate 803 passes through second bolt 10 with in girder steel 2 fixed connection.
The horizontal vertical distance between the second bolt 10 and the steel column 1 is greater than the left length and the right 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 boundary point, the steel beam 2 on the right side of the supporting seat 4 has a downward trend, and the steel beam 2 on the right side of the supporting seat 4 is pulled by the inclined pull plate 8; the end part of the steel beam 2 on the supporting seat 4 has a tendency of tilting upwards, and the third bolt is matched with the front side plate and the rear side plate of the supporting seat 4 in a backward manner to resist the vertical pulling force generated when the end part of the steel beam 2 tilts upwards.
The inclined pull piece can effectively reduce the stress of the supporting seat 4 and the third bolt, so that the risks that the supporting seat 4 and the third bolt are easy to deform, the nut of the third bolt is easy to withdraw, and the end parts of the supporting seat 4 and the steel beam 2 are easy to loosen due to the fact that the supporting seat 4 and the third bolt penetrating into the end parts of the supporting seat 4 and the steel beam 2 are large in stress when the inclined pull piece is used are reduced, and safety performance is improved.
In order to further improve the deformation resistance of the supporting seat 4, as shown in fig. 1, a triangular support frame is arranged below the supporting seat 4, and the triangular support frame comprises an L-shaped plate 5 and an inclined supporting plate 6.
As shown in fig. 3, the L-shaped plate 5 includes a first vertical plate 501 and a first horizontal plate 502 fixedly provided on top of the first vertical plate 501.
The first vertical plate 501 is provided with a fifth screw hole 503 corresponding to the second screw hole 302 in left and right.
The left-right width of the first horizontal plate 502 is greater than or equal to the left-right length of the support base 4, and the right part of the first horizontal plate 502 is provided with two sixth screw holes 504 arranged at intervals in the front-back direction. The right part of the bottom plate of the supporting seat 4 is provided with two third screw holes which are arranged at intervals front and back, and the third screw holes vertically correspond to the sixth screw holes 504.
As shown in fig. 4, the inclined strut 6 includes a second vertical plate 601, a first inclined plate 602 and a second horizontal plate 603 connected in sequence 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 and right direction, a fourth bolt penetrates through the steel column 1, the second screw hole 302, the fifth screw hole 503 and the seventh screw hole 604, the fourth bolt extends in the left and right direction, and the fourth bolt and the first bolt 9 are staggered up and down.
The upper end of the first sloping plate 602 extends obliquely upward in a direction away from the first attachment member 3.
The second horizontal plate 603 abuts against the bottom of the end, far away from the first vertical plate 501, of the first horizontal plate 501, an eighth through screw hole 605 is formed in the second horizontal plate 603, fifth bolts penetrate through the eighth screw hole 605, the sixth screw hole 504, a third screw hole in the bottom plate of the supporting seat 4 and the steel beam 2, extend along the vertical direction, and are located 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 supporting 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 installed in the fourth screw hole 402 are improved.
A method for reinforcing a connecting joint of a steel beam and a steel column is characterized by comprising the following steps: s1, prefabricating the steel column 1, the steel beam 2, the foundation connecting piece and the inclined pulling piece in a factory according to on-site checking data and a design drawing;
s2, before construction, firstly fixing a base connecting piece and a triangular supporting frame on a steel column 1 through bolts according to a design drawing, wherein a first bolt 9 line part at the uppermost part is installed;
s3, during construction, the steel column 1 is installed and fixed at a preset position according to a design drawing, the steel beam 2 is hoisted and placed on the supporting seat 4 of the foundation connecting piece, and the steel beam 2 and the supporting seat 4 are connected through bolts;
s4, after the steel beam 2 is hoisted, a constructor stands on the construction platform to fixedly connect the supporting seat 4 with the steel beam 2, fixedly connects the second attachment 7 of the inclined pull piece, the upper part of the first attachment 3 and the steel column 1 through the first bolt 9, and connects the lower end of the inclined pull plate 8 with the steel beam 2 through the bolt, namely, the reinforcement of the steel beam-column connection node 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 attributes 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. The utility model provides a reinforcing apparatus of girder steel beam column connected node which characterized in that: the steel column structure comprises a vertically arranged steel column (1) and a steel beam (2) extending along the left and right directions;
the steel column (1) is provided with a foundation connecting piece, the foundation connecting piece comprises a first attaching piece (3) and a supporting seat (4), the first attaching piece (3) can be detachably fixed on the steel column (1), one end of the supporting seat (4) is fixedly arranged in the middle of the first attaching piece (3), and the other end of the supporting seat (4) is in a suspension 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 attachment (3) is detachably and fixedly connected with an inclined pulling piece, the inclined pulling piece comprises a second attachment (7) and an inclined pulling plate (8), the second attachment (7) is detachably and fixedly arranged on the upper part of the basic connecting piece, and the second attachment (7) is positioned above the supporting seat (4);
the upper end of the inclined pulling plate (8) is fixedly connected with the second attachment (7), the lower end of the inclined pulling plate (8) extends obliquely towards the direction far away from the steel column (1), the lower end of the inclined pulling plate (8) is fixedly connected with the steel beam (2) in a detachable mode, and the horizontal vertical distance between the connecting position of the lower end of the inclined pulling plate (8) and the steel beam (2) and the steel column (1) is larger than the left-right length of the supporting seat (4).
2. A reinforcing apparatus for a steel beam-column connection node as claimed in claim 1, wherein: the detachable fixed oblique fagging (6) that is equipped with in lower part of first adnexion piece (3), the upper end of oblique fagging (6) upwards extends to the direction slope of keeping away from first adnexion piece (3), and the upper end of oblique fagging (6) supports and leans on the one end of keeping away from first adnexion piece (3) of bearing (4) bottom, and the upper end and the detachable fixed connection of bearing (4) of oblique fagging (6).
3. A reinforcing apparatus for a steel beam-column connection node as claimed 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 attachment (3);
the left and right width of the first horizontal plate (502) is greater than or equal to the left and right length of the supporting seat (4);
the lower end of the inclined supporting plate (6) is detachably and fixedly connected with the lower part of the first vertical plate (501), and the top of the inclined supporting plate (6) is detachably and fixedly connected with the bottom of the end, far away from the first vertical plate (501), of the first horizontal plate (502).
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 which is through from left to right and is provided with an opening at the upper part, and third bolts extending along the front-back direction penetrate through the two side plates of the supporting seat (4) and the steel beam (2);
the inclined supporting 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 attachment (3);
the upper end of the first sloping plate (602) extends upwards in an inclined way in the direction away from the first attachment part (3);
the second horizontal plate (603) is abutted against the bottom of one end, far away from the first vertical plate (501), of the first horizontal plate (501), a second bolt (10) extending along the upper direction and the lower direction is arranged in the second horizontal plate (603), the first vertical plate (501) and the steel beam (2) in a penetrating mode, and the third bolt is located between the second bolt (10) and the first attachment (3).
5. A reinforcing apparatus for a steel beam column connection node as claimed in any one of claims 1 to 4, wherein: the first attachment piece (3) is of a channel steel structure with an opening at one side and is through up and down, and the opening of the first attachment piece (3) faces to the side far away from the steel beam (2);
steel column (1) are inserted and are established in first attachment (3), and wear to be equipped with a plurality of first bolts (9) that set up along upper and lower direction interval in steel column (1) and first attachment (3), and first bolt (9) extend along the fore-and-aft direction, and first attachment (3) are fixed on steel column (1) through first bolt (9).
6. A reinforcing apparatus for a steel beam column connection node as claimed in claim 5, wherein: the second attachment piece (7) is of a channel steel structure with an opening at one side and is through up and down, and the opening of the second attachment piece (7) faces to the side far away from the steel beam (2);
the second attachment piece (7) is sleeved on the upper portion of the first attachment piece (3), and the second attachment piece (7), the first attachment piece (3) and the steel column (1) are fixedly connected through a first bolt (9).
7. A reinforcing apparatus for a steel beam column connection node as claimed in claim 6, wherein: the inclined pulling 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 attachment (7);
the lower end of the second sloping plate (802) extends in an inclined manner in the direction away from the steel column (1);
third horizontal plate (803) support and lean on the top at girder steel (2), and all wear to be equipped with second bolt (10) in third horizontal plate (803) and girder steel (2), and second bolt (10) extend along upper and lower direction, and third horizontal plate (803) pass through second bolt (10) and in girder steel (2) fixed connection.
8. A method of reinforcing a steel beam-column connection node as claimed in claim 1, comprising the steps of: s1, prefabricating a steel column (1), a steel beam (2), a foundation connecting piece and an inclined pulling piece in a factory according to on-site checking data and a design drawing;
s2, before construction, firstly fixing a foundation connecting piece on a steel column (1) according to a design drawing;
s3, during construction, the steel column (1) is installed and fixed at a preset position according to a design drawing, and the steel beam (2) is hoisted and placed on a supporting seat (4) of the foundation connecting piece;
s4, after the steel beam (2) is hoisted, a constructor stands on the construction platform to fixedly connect the supporting seat (4) with the steel beam (2), fixedly installs the second attachment part (7) of the inclined pull piece on the upper part of the first attachment part (3), and fixedly connects the lower end of the inclined pull plate (8) with the steel beam (2), so that reinforcement can be completed.
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