CN215253516U - Self-resetting steel pipe concrete column-steel beam joint - Google Patents
Self-resetting steel pipe concrete column-steel beam joint Download PDFInfo
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- CN215253516U CN215253516U CN202120764069.7U CN202120764069U CN215253516U CN 215253516 U CN215253516 U CN 215253516U CN 202120764069 U CN202120764069 U CN 202120764069U CN 215253516 U CN215253516 U CN 215253516U
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Abstract
The utility model provides a from restoring to throne steel core concrete column-girder steel node, include: the steel pipe concrete column, ribbed I-beam, prestressing tendons, arc angle steel, bolt, anchor backing plate, stiffening rib. A reserved hole channel is arranged in the steel pipe concrete column; a pre-stressed tendon passes through the reserved hole channel and the stiffening rib hole channel, one end of the pre-stressed tendon is fixedly connected with the concrete-filled steel tubular column, and the pre-stress is tensioned; the arc angle steels are respectively arranged on the upper side and the lower side of the ribbed I-beam and are connected with the steel pipe concrete column and the ribbed I-beam through bolts. The utility model discloses in, initial state can be resumeed to the prestressing tendons messenger structure after the earthquake effect, and the stiffening rib can improve the antitorque performance of structure, and the arc angle steel has better power consumption ability, and the whole atress nature of this structure is good, and the residual deformation is less after the shake of structure, has good anti-seismic performance.
Description
Technical Field
The utility model relates to a from reset steel core concrete column-girder steel node is applied to structure beam column node, belongs to the civil engineering field.
Background
With the proposal of the concept of 'flexible city', how to design a structure which can not be damaged or only be quickly repaired under the action of earthquake becomes one of the hot points of building earthquake-resistant design. The traditional anti-seismic structure system usually utilizes plastic deformation of metal or friction dampers and the like to dissipate seismic energy, has good energy dissipation capacity and ductility, but can not be recovered to normal use due to larger residual deformation after earthquake.
In order to quickly recover the using function of the structure after the earthquake, researchers provide a structure capable of recovering the function. The self-resetting structure is a typical form of a recoverable functional structure, the principle of the self-resetting structure is that node constraint of components is loosened, the components are connected by prestressed tendons, contact surfaces are allowed to rotate under the action of an earthquake so as to consume energy, and then the structure is recovered to the original position under the action of prestress. Therefore, the self-resetting structure can effectively reduce the residual deformation of the structure after the earthquake, control the maximum deformation of the structure and quickly recover the use function of the structure after the earthquake.
To sum up, the utility model provides a from steel core concrete column-girder steel node that restores to throne, arc angle steel transmission shear force provides rigidity of rotation and effectively improves structure bearing capacity and power consumption ability, and the stiffening rib can improve the anti-torque performance and the stability of girder steel, and prestressing tendons makes the beam-ends get back to initial condition after the earthquake action, reduces structure residual deformation. The node damage position is controlled in the arc-shaped angle steel, the arc-shaped angle steel can be replaced, and the use function of the structure can be quickly recovered.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved is as follows: the utility model aims at providing a from steel core concrete column-girder steel node that restores to throne, arc angle steel transmission shear force provides rotational stiffness and effectively improves structure bearing capacity and power consumption ability, and the torsional properties and the stability of girder steel can be improved to the stiffening rib. The structure rotates under the action of an earthquake, and then the structure is restored to the initial position under the action of the prestressed tendons so as to reduce the residual deformation of the structure, thereby achieving the effects of dissipating energy and damping and restoring the use function of the structure. The node damage position is controlled in the arc-shaped angle steel, the arc-shaped angle steel can be replaced, and the use function of the structure can be quickly recovered.
The technical scheme is as follows: a self-resetting concrete filled steel tubular column-steel beam joint, comprising: the steel pipe concrete column, ribbed I-beam, prestressing tendons, arc angle steel, bolt, anchor backing plate, stiffening rib.
The self-resetting steel pipe concrete column-steel beam node is characterized in that the node is formed by a steel pipe concrete column, a ribbed I-beam, a prestressed rib, an arc-shaped angle steel, a bolt, an anchor backing plate and a stiffening rib; a reserved hole channel is arranged in the steel pipe concrete column; passing the prestressed tendons through the reserved hole channels and the stiffening rib hole channels, fixedly connecting one end of each prestressed tendon with the concrete-filled steel tubular column, and tensioning the prestressed tendons; the arc angle steels are respectively arranged on the upper side and the lower side of the ribbed I-beam and are connected with the steel pipe concrete column and the ribbed I-beam through bolts.
The self-resetting steel pipe concrete column-steel beam node is characterized in that the prestressed tendons are symmetrically arranged on the left side and the right side of the ribbed I-beam along a stiffening rib pore passage.
The self-resetting steel pipe concrete column-steel beam node is characterized in that the distance between stiffening ribs of the ribbed I-beam is 1/9 beam lengths, and the contact part of the ribbed I-beam end and the steel pipe concrete column is provided with the stiffening ribs.
The self-resetting steel pipe concrete column-steel beam node is characterized in that an anchor backing plate is arranged on the other side, in contact with the ribbed I-beam, of the steel pipe concrete column, and the prestressed tendons sequentially penetrate through the stiffening ribs, the steel pipe concrete column and the anchor backing plate.
The self-resetting steel pipe concrete column-steel beam node is characterized in that the width of the arc angle steel is the same as the width of a beam, and the thickness of the arc angle steel is not less than 5 mm.
Has the advantages that: a from restoring to throne steel core concrete column-girder steel node, can effectively improve the rigidity and the bearing capacity of beam column node to make the structure resume initial condition after the earthquake effect. The torsional property and stability of the beam are improved through the stiffening ribs, and meanwhile, the energy consumption capacity of the arc-shaped angle steel is utilized. The node damage position is controlled in the arc-shaped angle steel, the arc-shaped angle steel can be replaced, and the use function of the structure can be quickly recovered. The utility model discloses a stability is good, can effectively reduce the structure and shake back residual deformation to have higher power consumption ability, can resume performance fast after shaking.
Drawings
Fig. 1 is a perspective view of the present invention;
FIG. 2 is a schematic view of the arc angle steel of the present invention;
FIG. 3 is a schematic view of a ribbed I-beam of the present invention;
wherein: 1. the steel pipe concrete column comprises a steel pipe concrete column 2, a ribbed I-beam 3, a prestressed rib 4, arc-shaped angle steel 5, a bolt 6, an anchor backing plate 7 and a stiffening rib.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Examples
As shown in fig. 1 to 3, a self-resetting concrete filled steel tubular column-steel beam node, comprising: the steel pipe concrete column, ribbed I-beam, prestressing tendons, arc angle steel, bolt, anchor backing plate, stiffening rib.
In the self-resetting steel pipe concrete column-steel beam node, a reserved hole channel is arranged in the steel pipe concrete column; passing the prestressed tendons through the reserved hole channels and the stiffening rib hole channels, fixedly connecting one end of each prestressed tendon with the concrete-filled steel tubular column, and tensioning the prestressed tendons; the arc angle steels are respectively arranged on the upper side and the lower side of the ribbed I-beam and are connected with the steel pipe concrete column and the ribbed I-beam through bolts.
According to the self-resetting steel pipe concrete column-steel beam node, the prestressed tendons are symmetrically arranged on the left side and the right side of the ribbed I-shaped beam along the stiffening rib hole channel.
According to the self-resetting steel pipe concrete column-steel beam node, the distance between stiffening ribs of the ribbed I-beam is 1/9 beam lengths, and the contact position of the ribbed I-beam end and the steel pipe concrete column is provided with the stiffening ribs.
According to the self-resetting steel pipe concrete column-steel beam node, the anchor backing plate is arranged on the other side, in contact with the ribbed I-beam, of the steel pipe concrete column, and the prestressed tendons sequentially penetrate through the stiffening ribs, the steel pipe concrete column and the anchor backing plate.
According to the self-resetting steel pipe concrete column-steel beam node, the width of the arc angle steel is the same as the width of a beam, and the thickness of the arc angle steel is not smaller than 5 mm.
Claims (5)
1. A self-resetting steel pipe concrete column-steel beam node is characterized in that the self-resetting steel pipe concrete column-steel beam node is composed of a steel pipe concrete column (1), a ribbed I-beam (2), prestressed ribs (3), arc-shaped angle steel (4), bolts (5), an anchor backing plate (6) and stiffening ribs (7); a reserved hole channel is arranged in the steel tube concrete column (1); a prestressed tendon (3) passes through the reserved hole channel and the stiffening rib hole channel, one end of the prestressed tendon (3) is fixedly connected with the concrete-filled steel tubular column (1), and the prestressed force is tensioned; the arc-shaped angle steels (4) are respectively arranged on the upper side and the lower side of the ribbed I-beam (2) and are connected with the concrete-filled steel tubular column (1) and the ribbed I-beam (2) through bolts (5).
2. A self-resetting steel core concrete column-steel beam joint according to claim 1, characterized in that the prestressed tendons (3) are symmetrically arranged on the left and right sides of the ribbed i-beam (2) along the stiffening rib duct.
3. A self-resetting steel core concrete column-steel beam node according to claim 1, characterized in that the stiffening ribs (7) of the ribbed i-beam (2) are spaced 1/9 beam lengths apart, and the stiffening ribs (7) are provided at the end of the ribbed i-beam (2) where it meets the steel core concrete column (1).
4. A self-resetting steel pipe concrete column-steel beam node according to claim 1, characterized in that the other side of the steel pipe concrete column (1) contacting with the ribbed i-beam (2) is provided with an anchor backing plate (6), and the prestressed tendon (3) penetrates through the stiffening rib (7), the steel pipe concrete column (1) and the anchor backing plate (6) in sequence.
5. A self-resetting steel core concrete column-steel beam joint according to claim 1, characterized in that the width of the arc angle steel (4) is the same as the beam width, and the thickness is not less than 5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120764069.7U CN215253516U (en) | 2021-04-14 | 2021-04-14 | Self-resetting steel pipe concrete column-steel beam joint |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120764069.7U CN215253516U (en) | 2021-04-14 | 2021-04-14 | Self-resetting steel pipe concrete column-steel beam joint |
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| CN215253516U true CN215253516U (en) | 2021-12-21 |
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| CN202120764069.7U Active CN215253516U (en) | 2021-04-14 | 2021-04-14 | Self-resetting steel pipe concrete column-steel beam joint |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114319592A (en) * | 2022-02-22 | 2022-04-12 | 安徽工业大学 | Self-resetting steel pipe steel slag concrete column-steel beam joint connecting device |
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2021
- 2021-04-14 CN CN202120764069.7U patent/CN215253516U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114319592A (en) * | 2022-02-22 | 2022-04-12 | 安徽工业大学 | Self-resetting steel pipe steel slag concrete column-steel beam joint connecting device |
| CN114319592B (en) * | 2022-02-22 | 2023-12-26 | 安徽工业大学 | Self-resetting steel tube steel slag concrete column-steel beam node connecting device |
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