CN218622608U - Connecting joint of beam steel reinforcement framework and steel column - Google Patents
Connecting joint of beam steel reinforcement framework and steel column Download PDFInfo
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- CN218622608U CN218622608U CN202223005782.7U CN202223005782U CN218622608U CN 218622608 U CN218622608 U CN 218622608U CN 202223005782 U CN202223005782 U CN 202223005782U CN 218622608 U CN218622608 U CN 218622608U
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Abstract
A connecting joint of a beam steel reinforcement framework and a steel column comprises the beam steel reinforcement framework and the steel column; the beam steel bar framework comprises beam upper layer steel bars, beam lower layer steel bars and stirrups; one end of the upper-layer steel bar of the beam, which is close to the steel column, is bent downwards by 90 degrees to form a bending section; a steel bar anchoring box and a steel bar connecting piece are arranged on the side surface of the steel column and at the position corresponding to the beam steel bar framework; the steel bar anchoring box comprises a first side plate and a first bottom plate; the horizontal section of the first side plate is U-shaped, and two ends of the first side plate are fixedly connected with the steel column respectively; the first bottom plate is plugged at the bottom of a rectangular jack enclosed by the first side plate and the steel column; the folded sections of the upper layer steel bars of the beam are correspondingly inserted into the steel bar anchoring boxes; high-strength ductile mortar is poured in the steel bar anchoring box; the lower layer steel bar of the beam is fixedly connected with the steel bar connecting piece. The utility model provides a traditional beam column node can't reduce the technical problem of the construction degree of difficulty and construction complexity under the good prerequisite of the anti bearing capacity of reliability, the anti bearing capacity of node and the node that satisfies the node internal force transmission.
Description
Technical Field
The utility model belongs to the technical field of structural engineering, especially a beam steel reinforcement skeleton and steel column's connected node.
Background
With the rapid development of the building industry in China, high-rise buildings in cities are more and more. Due to the comprehensive advantages of the steel reinforced concrete combined frame structure in the aspects of earthquake resistance, fire resistance and manufacturing cost, the super high-rise building mostly adopts the structural form. At present, a frame beam still adopts reinforced concrete mostly, because of the stress characteristic of a beam-column joint, longitudinal bars on the upper layer of the beam need to bear a large negative bending moment at the joint, the longitudinal bars on the upper layer of the beam are large in reinforcement arrangement amount, large in reinforcement row number, small in reinforcement interval, high in seismic resistance level of a structural system, a steel structural system does not allow to form a hole, the space of a connecting part is small and the like, and the reasonable connection of the reinforced concrete beam and a steel column becomes the difficulty of the engineering construction.
The connection of reinforced concrete roof beam and shaped steel concrete column includes in the actual engineering commonly used connection form: the ring beam type has certain influence on the reliability of internal force transmission between beams; the longitudinal steel bar penetrating type ensures that the steel column is discontinuous in a node area, and the original rigidity of the node is difficult to ensure; the steel bracket type has large consumption of steel, and the welding connection mode of the upper longitudinal bar of the beam and the steel column is complex in site construction, large in welding workload and incapable of ensuring the welding quality. In order to realize the reasonable connection of the reinforced concrete beam and the section steel column, the construction efficiency of a building structure is improved, broad scholars are promoted to research and develop a reasonable beam column node structural form, the construction difficulty and complexity are reduced on the premise of ensuring the anti-bearing capacity and the anti-shearing bearing capacity of the node, and the beam column connection node with simpler construction operation and higher construction efficiency is researched and developed.
In summary, those skilled in the art need to solve the above problems how to provide a joint structure form that is convenient to construct and reliable in connection, and a steel column and a reinforced concrete beam are adapted to each other.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a beam reinforcement skeleton and steel column's connected node, the technical problem that can't reduce the construction degree of difficulty and construction complexity under the good prerequisite of the anti bearing capacity of the reliability that satisfies node internal force transmission, node and node will be solved to traditional beam column node.
In order to achieve the above purpose, the utility model adopts the following technical scheme.
A connecting joint of a beam steel reinforcement framework and a steel column comprises the beam steel reinforcement framework and the steel column; the beam reinforcement framework is arranged on one side of the steel column and comprises beam upper layer reinforcements, beam lower layer reinforcements and stirrups; one end, close to the steel column, of the upper-layer steel bar of the beam is bent downwards at an angle of 90 degrees to form a bent section;
a steel bar anchoring box and a steel bar connecting piece are arranged on the side surface of the steel column and at the position corresponding to the beam steel bar framework; the steel bar anchoring box is positioned below the steel bars on the upper layer of the beam and close to the steel bars on the upper layer of the beam; the steel bar connecting piece is arranged corresponding to the lower layer steel bar of the beam; the steel bar anchoring box comprises a first side plate and a first bottom plate; the horizontal section of the first side plate is U-shaped, and two ends of the first side plate are fixedly connected with the steel column respectively; the first bottom plate is plugged at the bottom of a rectangular jack enclosed by the first side plate and the steel column; the bent sections of the upper-layer steel bars of the beams are correspondingly inserted into the steel bar anchoring boxes; high-strength ductile mortar is poured in the steel bar anchoring box; and the lower layer steel bar of the beam is fixedly connected with the steel bar connecting piece.
Preferably, the steel column is a section steel column or a steel pipe column.
Preferably, when two layers of reinforcing steel bars are arranged on the upper layer of the beam, the reinforcing steel bar anchoring box further comprises a second side plate and a second bottom plate; the second side plate is arranged on one side, away from the steel column, of the first side plate, and two ends of the second side plate are connected to the first side plate respectively; the bottom of the second side plate is flush with the bottom of the first side plate, and the top of the second side plate is lower than the top of the first side plate; the second bottom plate is plugged at the bottom of a rectangular jack enclosed by the second side plate and the first side plate; the upper layer steel bars of the two layers of beams are respectively inserted into the two rectangular jacks.
Preferably, the height of the first side plate is not less than 12d; the width of the first side plate is not more than 2.5d, and the difference between the width of the first side plate and the d of the beam upper layer longitudinal rib is not less than 15mm; the height of the second side plate is not less than 10d; the width of the second side plate is not more than 2.5d, and the difference value between the width of the second side plate and the d of the beam upper layer longitudinal rib is not less than 15mm; d is the nominal diameter of the upper layer of the beam.
Preferably, the steel bar connecting piece is a steel plate and is horizontally welded on the side surface of the steel column; and the end parts of the lower-layer steel bars of the beams, which are close to the steel column, are lapped on the steel plate and are connected with the steel plate in a welding mode.
Preferably, the steel bar connecting pieces are internally threaded sleeves, and a group of the steel bar connecting pieces are arranged at intervals in the horizontal direction; the group of steel bar connecting pieces are arranged corresponding to the lower layer steel bars of the group of beams; and the lower layer steel bars of the beam are inserted into the steel bar connecting pieces and are in threaded connection with the steel bar connecting pieces.
Preferably, studs are arranged on the outer surface of the steel bar anchoring box at intervals.
Compared with the prior art, the utility model has the following characteristics and beneficial effect.
1. In the connection joint of the steel column and the beam reinforcement framework, one end of the upper layer reinforcement of the beam, which is close to the steel column, is bent downwards by 90 degrees and then is directly inserted into the reinforcement anchoring box welded on the steel column, and the high Jiang Yanxing mortar is poured into the box firstly, so that the connection of the upper layer reinforcement of the beam and the steel column is completed, the high-strength ductile mortar which is poured firstly can form good bonding with post-poured concrete at the joint of the beam and the column, the bonding between the steel column and the concrete is reliable, and the joint can work together to form a complete joint structure; the connecting node greatly simplifies the site complex construction procedures, reduces the site welding workload of the steel bars and can ensure the reliable connection of the nodes.
2. The utility model discloses a steel column adopts steel bar welding sleeve mechanical connection or welding cantilever plate overlap joint welding with being connected of roof beam lower floor's reinforcing bar, and this kind of structural style has overcome roof beam lower floor's reinforcing bar and steel column and has directly taken the construction degree of difficulty that exists in the welded connected mode big, welding work volume is big, the difficult problem that welding quality also can't guarantee, has reduced work volume by a wide margin, has the construction facility, the connection of node is reliable and stable in quality's advantage.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 is the utility model discloses when well roof beam upper strata reinforcing bar is provided with the one deck, the positive structure schematic diagram of roof beam steel skeleton and steel column connected node.
Fig. 2 is the process chart of the utility model discloses when well roof beam upper strata reinforcing bar is provided with the one deck, when roof beam steel reinforcement skeleton and steel column connection.
Fig. 3 is the utility model discloses when well roof beam upper strata reinforcing bar is provided with two-layer, the positive structure schematic diagram of roof beam steel skeleton and steel column connected node.
Fig. 4 is the utility model discloses well roof beam upper reinforcing bar is provided with two-layerly, and when the reinforcing bar anchor box was provided with the peg outward, beam steel skeleton and steel column connected node's positive structural schematic.
Fig. 5 is a diagram of a first embodiment of the reinforcing plate arranged in the reinforcing steel bar anchoring box of the present invention.
Fig. 6 is a diagram of a second embodiment of the reinforcing plate arranged in the middle reinforcing steel bar anchoring box of the present invention.
Fig. 7 is the utility model discloses when well roof beam upper strata reinforcing bar is provided with two-layer, the structural schematic of reinforcing bar anchor box.
Fig. 8 is the utility model discloses when well roof beam upper strata reinforcing bar is provided with the one deck, the structural schematic of reinforcing bar anchor box.
Reference numerals: the steel reinforcement structure comprises 1-steel column, 2-beam reinforcement framework, 2.1-beam upper layer reinforcement, 2.1.1-folding section, 2.2-beam lower layer reinforcement, 2.3-stirrup, 3-reinforcement anchoring box, 3.1-first side plate, 3.2-first bottom plate, 3.3-second side plate, 3.4-second bottom plate, 4-reinforcement connecting piece, 5-high-strength ductility mortar, 6-stud, 7-stiffening plate and 8-reinforcing plate.
Detailed Description
As shown in fig. 1-8, the connecting joint of the beam steel reinforcement framework and the steel column comprises a beam steel reinforcement framework 2 and a steel column 1; the beam reinforcement cage 2 is arranged on one side of the steel column 1 and comprises a beam upper layer reinforcement 2.1, a beam lower layer reinforcement 2.2 and a stirrup 2.3; the method is characterized in that: one end of the upper-layer steel bar 2.1 of the beam, which is close to the steel column 1, is bent downwards by 90 degrees to form a bent section 2.1.1;
a steel bar anchoring box 3 and a steel bar connecting piece 4 are arranged on the side surface of the steel column 1 and at the position corresponding to the beam steel bar framework 2; the steel bar anchoring box 3 is positioned below the upper-layer steel bar 2.1 of the beam and close to the upper-layer steel bar 2.1 of the beam; the steel bar connecting piece 4 is arranged corresponding to the lower layer steel bar 2.2 of the beam; the steel bar anchoring box 3 comprises a first side plate 3.1 and a first bottom plate 3.2; the horizontal section of the first side plate 3.1 is U-shaped, and two ends of the first side plate 3.1 are fixedly connected with the steel column 1 respectively; the first bottom plate 3.2 is plugged at the bottom of a rectangular jack enclosed by the first side plate 3.1 and the steel column 1; the folded section 2.1.1 of the upper layer steel bar 2.1 of the beam is correspondingly inserted into the steel bar anchoring box 3; high-strength and ductile mortar 5 is poured in the steel bar anchoring box 3; and the lower-layer steel bar 2.2 of the beam is fixedly connected with the steel bar connecting piece 4.
In this embodiment, the steel column 1 is a section steel column or a steel pipe column.
In this embodiment, when the upper layer of the beam is provided with two layers of the steel bars 2.1, the steel bar anchoring box 3 further comprises a second side plate 3.3 and a second bottom plate 3.4; the second side plate 3.3 is arranged on one side, away from the steel column 1, of the first side plate 3.1, and two ends of the second side plate 3.3 are connected to the first side plate 3.1 respectively; the bottom of the second side plate 3.3 is flush with the bottom of the first side plate 3.1, and the top of the second side plate 3.3 is lower than the top of the first side plate 3.1; the second bottom plate 3.4 is plugged at the bottom of a rectangular jack enclosed by the second side plate 3.3 and the first side plate 3.1; the upper layer steel bars 2.1 of the two layers of beams are respectively inserted into the two rectangular jacks.
In this embodiment, the height of the first side plate 3.1 is not less than 12d; the width of the first side plate 3.1 is not more than 2.5d, and the difference between the width of the first side plate 3.1 and the d of the beam upper layer longitudinal rib 2.1 is not less than 15mm; the height of the second side plate 3.3 is not less than 10d; the width of the second side plate 3.3 is not more than 2.5d, and the difference between the width of the second side plate 3.3 and the d of the beam upper layer longitudinal rib 2.1 is not less than 15mm; d is the nominal diameter of the upper layer of the beam steel bar 2.1.
In this embodiment, the steel bar connecting piece 4 is a steel plate and is horizontally welded on the side surface of the steel column 1; the end part of the lower layer steel bar 2.2 of the group of beams, which is close to the steel column 1, is lapped on the steel plate and is connected with the steel plate in a welding way.
In this embodiment, the reinforcing steel bar connecting pieces 4 are internal thread sleeves, and are arranged in a group at intervals along the horizontal direction; the group of steel bar connecting pieces 4 are arranged corresponding to the group of beam lower layer steel bars 2.2; and the lower-layer steel bar 2.2 of the beam is inserted into the steel bar connecting piece 4 and is in threaded connection with the steel bar connecting piece 4.
In this embodiment, studs 6 are spaced on the outer surface of the steel bar anchoring box 3.
In this embodiment, the stirrups 2.3 have a set of, and the stirrups are hooped on the upper layer reinforcing steel bar 2.1 of the beam and the lower layer reinforcing steel bar 2.2 of the beam at intervals along the long axis direction of the beam reinforcement cage 2.
In this embodiment, stiffening plates 7 are respectively disposed on the steel column 1 and at positions corresponding to the upper-layer reinforcing steel bars 2.1 and the lower-layer reinforcing steel bars 2.2 of the beam.
In this embodiment, a reinforcing plate 8 is disposed inside the steel bar anchoring box 3 along a side surface perpendicular to a corresponding side of the steel column 1; and a vertical edge on one side of the reinforcing plate 8 is welded and connected with the steel column 1.
In the first embodiment, the other side edge of the reinforcing plate 8 exceeds the steel bar anchoring box 3, and the part of the joint of the plate surface of the reinforcing plate 8 and the steel bar anchoring box 3 is welded with the steel bar anchoring box 3. In the second embodiment, the other side of the reinforcing plate 8 does not exceed the steel bar anchoring box 3, and the other side of the reinforcing plate 8 is welded to the steel bar anchoring box 3.
The above embodiments are not exhaustive of the specific embodiments, and other embodiments are possible, and the above embodiments are intended to illustrate, but not limit the scope of the present invention, and all applications coming from the simple changes of the present invention fall within the scope of the present invention.
Claims (7)
1. A connecting joint of a beam steel reinforcement framework and a steel column comprises a beam steel reinforcement framework (2) and a steel column (1); the beam steel reinforcement framework (2) is arranged on one side of the steel column (1) and comprises beam upper layer steel reinforcements (2.1), beam lower layer steel reinforcements (2.2) and stirrups (2.3); the method is characterized in that: one end of the upper-layer steel bar (2.1) of the beam, which is close to the steel column (1), is bent downwards at an angle of 90 degrees to form a folded section (2.1.1);
a steel bar anchoring box (3) and a steel bar connecting piece (4) are arranged on the side surface of the steel column (1) and at the position corresponding to the beam steel bar framework (2); the steel bar anchoring box (3) is positioned below the upper-layer steel bar (2.1) of the beam and close to the upper-layer steel bar (2.1) of the beam; the steel bar connecting piece (4) is arranged corresponding to the lower layer steel bar (2.2) of the beam; the steel bar anchoring box (3) comprises a first side plate (3.1) and a first bottom plate (3.2); the horizontal section of the first side plate (3.1) is U-shaped, and two ends of the first side plate (3.1) are fixedly connected with the steel column (1) respectively; the first bottom plate (3.2) is plugged at the bottom of a rectangular jack enclosed by the first side plate (3.1) and the steel column (1); the bent section (2.1.1) of the upper layer steel bar (2.1) of the beam is correspondingly inserted into the steel bar anchoring box (3); high-strength and ductile mortar (5) is poured in the steel bar anchoring box (3); and the lower layer steel bar (2.2) of the beam is fixedly connected with the steel bar connecting piece (4).
2. A connecting node of a beam steel reinforcement framework and a steel column according to claim 1, characterized in that: the steel column (1) is a section steel column or a steel pipe column.
3. A connecting node of a beam steel reinforcement framework and a steel column according to claim 1, characterized in that: when the upper layer of the beam is provided with two layers of steel bars (2.1), the steel bar anchoring box (3) also comprises a second side plate (3.3) and a second bottom plate (3.4); the second side plate (3.3) is arranged on one side, away from the steel column (1), of the first side plate (3.1), and two ends of the second side plate (3.3) are connected to the first side plate (3.1) respectively; the bottom of the second side plate (3.3) is flush with the bottom of the first side plate (3.1), and the top of the second side plate (3.3) is lower than the top of the first side plate (3.1); the second bottom plate (3.4) is plugged at the bottom of a rectangular jack enclosed by the second side plate (3.3) and the first side plate (3.1); the upper layer steel bars (2.1) of the two layers of beams are respectively inserted into the two rectangular jacks.
4. A beam-reinforced skeleton-steel-column connection node according to claim 3, characterized in that: the height of the first side plate (3.1) is not less than 12d; the width of the first side plate (3.1) is not more than 2.5d, and the difference between the width of the first side plate (3.1) and the d of the beam upper layer longitudinal rib (2.1) is not less than 15mm; the height of the second side plate (3.3) is not less than 10d; the width of the second side plate (3.3) is not more than 2.5d, and the difference between the width of the second side plate (3.3) and the d of the beam upper layer longitudinal rib (2.1) is not less than 15mm; d is the nominal diameter of the upper layer of the beam steel bar (2.1).
5. The connection node of a beam steel reinforcement framework and a steel column according to claim 1, characterized in that: the steel bar connecting piece (4) is a steel plate and is horizontally welded on the side surface of the steel column (1); and the end part of the lower layer steel bar (2.2) of one group of beams, which is close to the steel column (1), is lapped on the steel plate and is connected with the steel plate in a welding way.
6. A connecting node of a beam steel reinforcement framework and a steel column according to claim 1, characterized in that: the reinforcing steel bar connecting pieces (4) are internal thread sleeves, and are arranged in a group at intervals along the horizontal direction; the group of steel bar connecting pieces (4) are arranged corresponding to the group of beam lower-layer steel bars (2.2); and the lower-layer steel bar (2.2) of the beam is inserted into the steel bar connecting piece (4) and is in threaded connection with the steel bar connecting piece (4).
7. A connecting node of a beam steel reinforcement framework and a steel column according to claim 1, characterized in that: the outer surface of the steel bar anchoring box (3) is provided with studs (6) at intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223005782.7U CN218622608U (en) | 2022-11-11 | 2022-11-11 | Connecting joint of beam steel reinforcement framework and steel column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223005782.7U CN218622608U (en) | 2022-11-11 | 2022-11-11 | Connecting joint of beam steel reinforcement framework and steel column |
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| CN218622608U true CN218622608U (en) | 2023-03-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202223005782.7U Active CN218622608U (en) | 2022-11-11 | 2022-11-11 | Connecting joint of beam steel reinforcement framework and steel column |
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