CN213448958U - Novel removable power consumption beam section of crooked type - Google Patents
Novel removable power consumption beam section of crooked type Download PDFInfo
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- CN213448958U CN213448958U CN202020611322.0U CN202020611322U CN213448958U CN 213448958 U CN213448958 U CN 213448958U CN 202020611322 U CN202020611322 U CN 202020611322U CN 213448958 U CN213448958 U CN 213448958U
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Abstract
The utility model discloses a novel bending type replaceable energy-consuming beam section, which comprises an energy-consuming beam section, wherein both ends of the energy-consuming beam section are respectively and horizontally connected with a short beam, the short beam is horizontally connected with a frame beam, the beam top elevation of the short beam is lower than that of the frame beam, and the bottom of the frame beam connected with the short beams at both ends of the energy-consuming beam section is also symmetrically provided with eccentric supports; the energy-consuming beam section is changed from integral bending yield to shearing yield of the short beam, the stress characteristic of the bending energy-consuming beam section is improved, and the ductility and the energy-consuming capability of the bending energy-consuming beam section are improved.
Description
Technical Field
The utility model belongs to the architectural steel structure engineering field, concretely relates to novel removable power consumption beam section of crooked type.
Background
The energy-consuming beam section is a key component in the eccentric support steel frame structure, the plastic deformation development of the structure is concentrated on the energy-consuming beam section under the action of an earthquake, and the energy-consuming beam section absorbs and dissipates the earthquake energy to ensure that other components keep elasticity, however, the earthquake damage of the past times shows that the structure cannot be normally used or is overturned and reconstructed due to the fact that the local damage is serious or part of the components are seriously damaged and the post-earthquake repair is difficult. The energy dissipation beam section mainly has two yield forms, one is a shear yield type, and the other is a bending yield type. When the length of the energy dissipation beam section is smaller, the bending moment of the end part of the beam section is smaller, and the yield of the beam section mainly depends on shearing force, and at the moment, the energy dissipation beam section belongs to a shearing type energy dissipation beam section. When the length of the energy dissipation beam section is longer, the bending moment of the beam section is larger, and the bending plastic hinge is easier to form, and belongs to the bending yield type energy dissipation beam section. Because the anti-seismic performance of the shear yield type energy dissipation beam section is better than that of the bending yield type energy dissipation beam section, the shear yield type energy dissipation beam section is more beneficial to an eccentric support steel frame structure and has better anti-seismic performance when the earthquake action is obvious. The technical code of high-rise civil building steel structure in China suggests that the length of the energy-consuming beam section is taken as shear yield. Because the ductility and the energy consumption of the bending energy consumption beam section are relatively poor, and the research on the replaceable bending energy consumption beam section is relatively few, the anti-seismic performance of the bending energy consumption beam section is optimized, the ductility and the energy consumption capability of the bending energy consumption beam section are improved, and the problem to be solved when the eccentric support steel frame structure of the replaceable energy consumption beam section is applied to high-rise buildings and high earthquake intensity areas is solved urgently.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a novel removable power consumption beam section of crooked type overcomes the poor shortcoming of traditional crooked type power consumption beam section ductility and power consumption ability to improve the anti-seismic performance of power consumption beam section greatly.
The utility model discloses the technical scheme who adopts is, a novel removable power consumption roof beam section of crooked type, including the power consumption roof beam section, the both ends difference horizontally connect of power consumption roof beam section has the stub beam, stub beam horizontally connect frame roof beam, and the roof beam top elevation of stub beam is less than the frame roof beam, and the bottom of the frame roof beam that power consumption roof beam section both ends stub beam is connected still the symmetry and is provided with eccentric brace.
The utility model discloses a characteristics still lie in:
wherein the short beam is a box-shaped section beam;
wherein the energy consumption beam section and the frame beam are H-shaped steel;
wherein, shear keys are welded at two ends of the short beam;
the energy-consuming beam section end plates are respectively welded at two ends of the energy-consuming beam section and are connected with the end parts of the short beams through a plurality of uniformly distributed high-strength bolts A;
wherein the end part of the frame beam connected with the short beam is also welded with a frame beam end plate, and the frame beam end plate is connected with the end part of the short beam through a plurality of high-strength bolts which are uniformly distributed;
wherein, the outermost row of high-strength bolts which are respectively connected with the frame beam and the energy consumption beam section on the short beam is positioned at the outer side of the short beam;
wherein a horizontal stiffening rib is arranged between the upper flange and the lower flange of the frame beam, and the elevation of the horizontal stiffening rib is the same as the elevation of the beam top of the short beam.
The beneficial effects of the utility model are that
The utility model discloses a novel removable power consumption roof beam section of bending type sets up the stub beam that the cross-section weakens at power consumption roof beam section's both ends, controls its bending plasticity development area, changes power consumption roof beam section from whole bending yield to the shearing yield of stub beam, improves the atress characteristic of bending type power consumption roof beam section, and power consumption roof beam section is easily dismantled and is changed after the earthquake, has realized repairable possibility and convenience after the earthquake, and does not influence floor service function; the bending energy-consuming beam section has basically the same connection rigidity as the traditional energy-consuming beam section, does not influence the rigidity of the whole structure, and improves the whole stability of the bending energy-consuming beam section; the high-strength bolt has simple connection structure and reliable force transmission and bears all shearing force, bending moment and axial force at the connection part.
Drawings
Fig. 1 is a three-dimensional schematic view of a novel bending type replaceable energy-consuming beam section of the present invention;
fig. 2 is a front view of a novel bending type replaceable energy consumption beam section of the present invention;
fig. 3 is a top view of a novel bending type replaceable energy-consuming beam section according to the present invention;
fig. 4 is the utility model discloses a distribution schematic diagram of high-strength bolt in novel removable power consumption beam section of crooked type.
In the figure, 1, a frame beam, 2, a high-strength bolt, 3, a shear key, 4, an energy-consuming beam section end plate, 5, a short beam, 6, an energy-consuming beam section, 7, a stiffening rib, 8, a support and 9, the frame beam end plate.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The utility model provides a novel bending type replaceable energy-consuming beam section, as shown in figures 1 and 2, comprising an energy-consuming beam section 6, wherein both ends of the energy-consuming beam section 6 are respectively and horizontally connected with a short beam 5, the short beam 5 is a box-shaped section beam, the energy-consuming beam section 6 and a frame beam 1 are H-shaped steel, the short beam 5 is horizontally connected with the frame beam 1, the beam top elevation of the short beam 5 is lower than that of the frame beam 1, supports 8 are symmetrically arranged at the bottom of the frame beam 1 connected with the short beam 5 at both ends of the energy-consuming beam section 6, shear keys 3 are welded at both ends of the short beam 5, an energy-consuming beam section end plate 4 is respectively welded at both ends of the energy-consuming beam section 6, the energy-consuming beam section end plate 4 is connected with the short beam 5 through a plurality of high-strength bolts A which are uniformly distributed, as shown in figures 3 and 4, a frame beam end plate 9 is also welded at the end part of the frame beam 1 connected with, the high-strength bolts 2 and the outermost rows of the high-strength bolts A which are respectively connected with the frame beam 1 and the energy consumption beam section 6 on the short beam 5 are positioned on the outer side of the short beam 5, a horizontal stiffening rib 7 is further arranged between the upper flange and the lower flange of the frame beam 1, and the elevation of the horizontal stiffening rib 7 is the same as the elevation of the beam top of the short beam 5.
The short beam 5 is connected with the frame beams 1 and the energy consumption beam sections 6 on the two sides by adopting end plates which are easy to replace, the shear key 3 is connected with the frame beam end plates 9 and the energy consumption beam section end plates 4 in a butt joint mode by adopting high-strength bolts 2, and the thickness, the number and the specification of the bolts of each end plate are obtained through calculation.
Claims (8)
1. The utility model provides a novel removable power consumption roof beam section of crooked type, its characterized in that, including power consumption roof beam section (6), the both ends difference horizontally connect of power consumption roof beam section (6) has stub beam (5), stub beam (5) horizontally connect frame roof beam (1), and the roof beam top elevation of stub beam (5) is less than frame roof beam (1), the bottom of frame roof beam (1) that power consumption roof beam section (6) both ends stub beam (5) are connected is still the symmetry and is provided with support (8).
2. A new bending type replaceable energy dissipating beam section according to claim 1, characterized in that the short beam (5) is a box section beam.
3. A new bending type replaceable energy dissipating beam section according to claim 1, characterized in that the energy dissipating beam section (6) and the frame beam (1) are H-shaped steel.
4. The new bending type replaceable energy dissipating beam section according to claim 1, wherein shear keys (3) are welded at both ends of the short beam (5).
5. The novel bending replaceable energy-consuming beam section according to claim 1, wherein energy-consuming beam section end plates (4) are welded to two ends of the energy-consuming beam section (6), and the energy-consuming beam section end plates (4) are connected with the end portions of the short beams (5) through a plurality of uniformly distributed high-strength bolts A.
6. The novel bending type replaceable energy consumption beam section is characterized in that a frame beam end plate (9) is welded to the end portion, connected with the short beam (5), of the frame beam (1), and the frame beam end plate (9) is connected with the end portion of the short beam (5) through a plurality of uniformly distributed high-strength bolts (2).
7. A new bending type replaceable energy dissipating beam section according to claim 5, wherein the outermost row of high strength bolts (2) on the short beam (5) connecting the frame beam (1) and the energy dissipating beam section (6) respectively is located outside the short beam (5).
8. The novel bending type replaceable energy consumption beam section according to claim 1, wherein a horizontal stiffening rib (7) is further arranged between the upper flange and the lower flange of the frame beam (1), and the elevation of the horizontal stiffening rib (7) is the same as the beam top elevation of the short beam (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020611322.0U CN213448958U (en) | 2020-04-21 | 2020-04-21 | Novel removable power consumption beam section of crooked type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020611322.0U CN213448958U (en) | 2020-04-21 | 2020-04-21 | Novel removable power consumption beam section of crooked type |
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| Publication Number | Publication Date |
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| CN213448958U true CN213448958U (en) | 2021-06-15 |
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| CN202020611322.0U Active CN213448958U (en) | 2020-04-21 | 2020-04-21 | Novel removable power consumption beam section of crooked type |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115405010A (en) * | 2022-09-30 | 2022-11-29 | 中铁二局集团建筑有限公司 | Energy consumption segment and segment type combined buckling-restrained energy consumption support structure |
-
2020
- 2020-04-21 CN CN202020611322.0U patent/CN213448958U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115405010A (en) * | 2022-09-30 | 2022-11-29 | 中铁二局集团建筑有限公司 | Energy consumption segment and segment type combined buckling-restrained energy consumption support structure |
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