CN107035018B - Even Liang Ruangang attenuator and work progress - Google Patents
Even Liang Ruangang attenuator and work progress Download PDFInfo
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- CN107035018B CN107035018B CN201710461295.6A CN201710461295A CN107035018B CN 107035018 B CN107035018 B CN 107035018B CN 201710461295 A CN201710461295 A CN 201710461295A CN 107035018 B CN107035018 B CN 107035018B
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- energy
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- consumption soft
- steel plate
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
- E04H9/022—Bearing, supporting or connecting constructions specially adapted for such buildings and comprising laminated structures of alternating elastomeric and rigid layers
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
Abstract
The invention belongs to the technical field of civil engineering, and relates to a connecting Liang Ruangang damper and a construction process. Each group of energy consumption soft steel plates is clamped between two constraint steel plates, the limiting bolts and the constraint bolts respectively penetrate through the limiting bolt holes and the constraint bolt holes, the rigid end plates are clamped between the two groups of energy consumption soft steel plates, the left ends of all the energy consumption soft steel plates are clamped between two left angle steels, and the right ends of all the energy consumption soft steel plates are clamped between two right angle steels. The energy-consumption soft steel plate is provided with the oblique 45-degree long strip holes, so that the energy-consumption soft steel plate is better catered for shearing deformation, multi-point yielding occurs under the action of an earthquake, the energy-consumption capacity of the energy-consumption soft steel plate is enhanced, the out-of-plane buckling of the energy-consumption soft steel plate is controlled through the constraint steel plate and the constraint bolts, and the service life of the damper is prolonged.
Description
Technical Field
The invention belongs to the technical field of civil engineering, and relates to an energy dissipation and shock absorption device and a construction process, in particular to a damper for effectively controlling out-of-plane buckling of a perforated mild steel plate through a constraint steel plate and a constraint bolt.
Background
The energy dissipation and shock absorption technology is to connect dampers in parallel in the side force resisting component of the structure, and most of earthquake energy is consumed by the dampers, so that the safety of the main structure is ensured, and the energy dissipation and shock absorption technology is an active and effective anti-seismic strategy. In recent years, metal-type dampers have gained wide acceptance in structural design. The soft steel damper belongs to one kind of metal damper and has excellent hysteresis performance and earthquake energy dissipating performance. The energy consumption performance of the soft steel damper is little influenced by the external environment, the long-term property is stable, the replacement is convenient, and the price is low.
At present, researchers at home and abroad propose more design methods including tension type, bending type and shearing type. The shearing type soft steel damper mainly realizes energy consumption through in-plane shearing yield deformation of soft steel. Such as: patent publication No. CN202969624U discloses a slotting shear type soft steel damper for building structures, which improves the deformability through slotting and meets various energy consumption requirements, but when certain deformation is achieved, local out-of-plane buckling occurs, so that the damper is invalid; the patent with publication number CN101413296A discloses a soft steel shearing hysteresis damper, wherein stiffening ribs are arranged to effectively control web buckling, but the welding of the stiffening ribs brings higher residual stress, so that the low cycle fatigue performance of the soft steel shearing hysteresis damper is reduced.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a connecting Liang Ruangang damper. The damper energy-consumption soft steel plate is provided with the oblique 45-degree long strip holes, better caters for the shearing deformation of the energy-consumption soft steel plate, generates multi-point yielding under the action of an earthquake, enhances the energy-consumption capacity of the damper, and can effectively control the out-of-plane buckling of the energy-consumption soft steel plate by the constraint steel plate and the constraint bolts, thereby prolonging the service life of the damper.
The technical scheme adopted for solving the technical problems is as follows:
a connecting Liang Ruangang damper comprises an energy consumption soft steel plate, a constraint steel plate, a rigid end plate, left angle steel, right angle steel, a high-strength bolt, a constraint bolt and a limit bolt; each group of energy consumption soft steel plates are clamped between two constraint steel plates, and a limit bolt and a constraint bolt respectively pass through the limit bolt hole and the constraint bolt hole; the rigid end plates are clamped between two groups of energy-consumption soft steel plates, the left ends of all the energy-consumption soft steel plates are clamped between two left angle steels, the right ends of all the energy-consumption soft steel plates are clamped between two right angle steels, the left angle steels, the energy-consumption soft steel plates and the rigid end plates are respectively connected by high-strength bolts, and the right angle steels, the energy-consumption soft steel plates and the rigid end plates are connected; gaps are arranged between the left angle steel, the right angle steel and the rigid end plate and the constraint steel plate respectively.
The middle part of the energy dissipation soft steel plate is provided with an oblique 45-degree long hole, two ends of the energy dissipation soft steel plate are provided with energy dissipation soft steel plate bolt holes, and two or three energy dissipation soft steel plates form a group.
And the upper end and the lower end of the constraint steel plate are respectively provided with a constraint bolt hole and a limit bolt hole. The height between the limit bolt holes is equal to the height of the energy-consumption soft steel plate; the height between the constraint bolt holes is larger than the height of the energy-consumption soft steel plate, and a shear deformation space is arranged between the constraint bolt and the energy-consumption soft steel plate. And the constraint steel plate is pre-tightened through the constraint bolts, and the out-of-plane buckling of the energy consumption soft steel plate is controlled. The thickness of the constraint steel plate is the same as that of the rigid end plate. The rigid end plate, the left angle steel and the right angle steel are respectively provided with bolt holes.
The construction process of the connecting Liang Ruangang damper is as follows:
(1) every two energy consumption soft steel plates form a group, the two energy consumption soft steel plates and the three constraint steel plates are arranged in parallel at intervals, and two limit bolts respectively penetrate through limit bolt holes of the three constraint steel plates;
(2) the method comprises the steps of clamping two rigid end plates at two ends of two groups of energy-consumption soft steel plates respectively, clamping left angle steel at the outer side of the left end of the energy-consumption soft steel plates, sequentially penetrating three high-strength bolts through a left angle steel bolt hole, an energy-consumption soft steel plate bolt hole, a rigid end plate bolt hole, an energy-consumption soft steel plate bolt hole and a left angle steel bolt hole respectively, clamping right angle steel at the outer side of the right end of the energy-consumption soft steel plate, and sequentially penetrating three other high-strength bolts through a right angle steel bolt hole, an energy-consumption soft steel plate bolt hole, a rigid end plate bolt hole, an energy-consumption soft steel plate bolt hole and a right angle steel bolt hole respectively;
(3) the constraint bolts respectively pass through constraint bolt holes of three constraint steel plates, a certain pretightening force is applied, and the energy-consumption soft steel plates can freely undergo shear deformation under the action of an earthquake;
(4) and a connecting Liang Ruangang damper is arranged at the middle part of the connecting beam, the left angle steel is connected with the embedded part of the left half part of the connecting beam through a high-strength bolt, and the right angle steel is connected with the embedded part of the right half part of the connecting beam through a high-strength bolt.
The invention has the beneficial effects that: (1) the energy-consumption soft steel plate connected with the Liang Ruangang damper is provided with the oblique 45-degree long strip holes, and a plurality of groups of energy-consumption soft steel plates can be assembled according to the earthquake parameters, so that the assembly is flexible and the energy consumption capacity is high; (2) the constraint steel plate and the constraint bolt connected with the Liang Ruangang damper can effectively control the out-of-plane buckling of the energy consumption soft steel plate and prolong the service life of the damper; (4) the connecting Liang Ruangang damper and the engineering structure are connected by bolts, so that the construction is convenient, and the overhaul and the replacement are easy.
Drawings
Fig. 1 is a schematic view of a damper according to the present invention, with Liang Ruangang.
Figure 2 is a front view of a coupling Liang Ruangang damper according to the present invention.
Fig. 3 is a front view of a soft steel plate with Liang Ruangang damper energy consumption according to the present invention.
Fig. 4 is a front view of a steel plate with Liang Ruangang damper constraint according to the present invention.
Figure 5 is a front view of a rigid end plate with Liang Ruangang damper in accordance with the present invention.
Fig. 6 is a schematic view of left fixed angle steel with Liang Ruangang damper according to the present invention.
Fig. 7 is a front view of the left fixed angle steel of the damper of the invention with Liang Ruangang.
Fig. 8 is a schematic view of right fixed angle steel with Liang Ruangang damper according to the present invention.
Fig. 9 is a front view of the right fixed angle steel of the damper of the invention with Liang Ruangang.
In the figure, 1-energy consumption soft steel plate, 2-constraint steel plate, 3-rigid end plate, 4-left angle steel, 5-right angle steel, 6-high strength bolt, 7-constraint bolt, 8-limit bolt, 301-oblique 45-degree long strip hole, 302-energy consumption soft steel plate bolt hole, 401-constraint bolt hole, 402-limit bolt hole, 501-rigid end plate bolt hole, 601-left angle steel bolt hole, 602-left angle steel fixing bolt hole, 801-right angle steel bolt hole and 802-right angle steel fixing bolt hole.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
According to the figures 1, 2 and 3, the middle part of the energy consumption soft steel plate 1 is provided with an oblique 45-degree long hole 301, two ends of the energy consumption soft steel plate are provided with energy consumption soft steel plate bolt holes 302, two or three energy consumption soft steel plates form a group, each group of energy consumption soft steel plates 1 is clamped between two constraint steel plates 2, and a limit bolt 8 and a constraint bolt 7 respectively pass through the limit bolt hole 402 and the constraint bolt hole 401; the rigid end plate 3 is clamped between two groups of energy-consumption soft steel plates 1, the left ends of all the energy-consumption soft steel plates 1 are clamped between two left angle steels 4, the right ends are clamped between two right angle steels 5, the left angle steels 4, the energy-consumption soft steel plates 1 and the rigid end plate 3 are respectively connected by high-strength bolts 6, and the right angle steels 5, the energy-consumption soft steel plates 1 and the rigid end plate 3 are connected; gaps are respectively arranged between the left angle steel 4, the right angle steel 5 and the rigid end plate 3 and the constraint steel plate 2.
According to fig. 1 and 4, the upper and lower ends of the constraint steel plate 2 are respectively provided with constraint bolt holes 401 and limit bolt holes 402. The height between the limit bolt holes 402 is equal to the height of the energy-consumption soft steel plate 1, and the limit bolts 8 pass through the limit bolt holes 402 to limit the constraint steel plate 1 to move up and down; the height between the constraint bolt holes 401 is larger than the height of the energy-consumption soft steel plate 1, a space is reserved for shearing deformation of the energy-consumption soft steel plate 1, and the constraint steel plate 2 is pre-tightened through the constraint bolts 7 to control out-of-plane buckling of the energy-consumption soft steel plate 1.
As shown in fig. 5, 6, 7, 8 and 9, the thickness of the rigid end plate 3 is the same as the thickness of the constraint steel plate 2. Bolt holes are respectively formed in the rigid end plate 3, the left angle steel 4 and the right angle steel 5, and the structures and the sizes of the left angle steel 4 and the right angle steel 5 are identical.
The construction process of the connecting Liang Ruangang damper is as follows:
(1) every two energy consumption soft steel plates 1 form a group, the two energy consumption soft steel plates 1 and the three constraint steel plates 2 are arranged in parallel at intervals, and two limit bolts 8 respectively pass through limit bolt holes 402 of the three constraint steel plates 2;
(2) two rigid end plates 3 are respectively clamped at two ends of two groups of energy-consumption soft steel plates 1, a left angle steel 4 is clamped at the outer side of the left end of the energy-consumption soft steel plates 1, three high-strength bolts 6 sequentially pass through a left angle steel bolt hole 601, an energy-consumption soft steel plate bolt hole 302, a rigid end plate bolt hole 501, an energy-consumption soft steel plate bolt hole 302 and a left angle steel bolt hole 601 respectively, a right angle steel 5 is clamped at the outer side of the right end of the energy-consumption soft steel plates 1, and other three high-strength bolts 6 sequentially pass through a right angle steel bolt hole 801, an energy-consumption soft steel plate bolt hole 302, a rigid end plate bolt hole 501, an energy-consumption soft steel plate bolt hole 302 and a right angle steel bolt hole 801 respectively;
(3) the constraint bolts 7 respectively pass through constraint bolt holes 401 of three constraint steel plates 2, a certain pretightening force is applied, and the energy-consumption soft steel plate 1 can freely generate shear deformation under the action of earthquake;
(4) and a connecting Liang Ruangang damper is arranged at the middle part of the connecting beam, the left angle steel 4 is connected with the embedded part of the left half part of the connecting beam through a high-strength bolt, and the right angle steel 5 is connected with the embedded part of the right half part of the connecting beam through a high-strength bolt.
Claims (2)
1. The utility model provides a even Liang Ruangang attenuator, includes power consumption mild steel sheet (1), restraint steel sheet (2), rigidity end plate (3), left angle steel (4), right angle steel (5), high strength bolt (6), its characterized in that: the energy consumption soft steel plates (1) are clamped between the two constraint steel plates (2), and the constraint bolts (8) and the constraint bolts (7) respectively penetrate through the constraint bolt holes (402) and the constraint bolt holes (401); the rigid end plates (3) are clamped between two groups of energy-consumption soft steel plates (1), the left ends of all the energy-consumption soft steel plates (1) are clamped between two left angle steels (4), the right ends of all the energy-consumption soft steel plates are clamped between two right angle steels (5), the high-strength bolts (6) respectively connect the left angle steels (4), the energy-consumption soft steel plates (1) with the rigid end plates (3), and connect the right angle steels (5), the energy-consumption soft steel plates (1) with the rigid end plates (3); gaps are respectively arranged between the left angle steel (4), the right angle steel (5) and the rigid end plate (3) and the constraint steel plate (2); the thickness of the rigid end plate (3) is the same as that of the constraint steel plate (2); the middle part of the energy consumption soft steel plate (1) is provided with an oblique 45-degree long hole (301), and two ends of the energy consumption soft steel plate are provided with energy consumption soft steel plate bolt holes (302); the upper end and the lower end of the constraint steel plate (2) are respectively provided with constraint bolt holes (401) and limit bolt holes (402); the height between the limit bolt holes (402) is equal to the height of the energy-consumption soft steel plate (1), and the height between the constraint bolt holes (401) is greater than the height of the energy-consumption soft steel plate (1).
2. The construction method for connecting Liang Ruangang damper according to claim 1, wherein:
(1) every two energy consumption soft steel plates (1) form a group, the two energy consumption soft steel plates (1) and the three constraint steel plates (2) are arranged in parallel at intervals, and two limit bolts (8) respectively penetrate through limit bolt holes (402) of the three constraint steel plates (2);
(2) two rigid end plates (3) are respectively clamped at two ends of two groups of energy-consumption soft steel plates (1), a left angle steel (4) is clamped at the outer side of the left end of the energy-consumption soft steel plates (1), three high-strength bolts (6) sequentially penetrate through a left angle steel bolt hole (601), an energy-consumption soft steel plate bolt hole (302), a rigid end plate bolt hole (501), an energy-consumption soft steel plate bolt hole (302) and a left angle steel bolt hole (601), a right angle steel (5) is clamped at the outer side of the right end of the energy-consumption soft steel plates (1), and three other high-strength bolts (6) sequentially penetrate through a right angle steel bolt hole (801), an energy-consumption soft steel plate bolt hole (302), a rigid end plate bolt hole (501), an energy-consumption soft steel plate bolt hole (302) and a right angle steel bolt hole (801);
(3) the constraint bolts (7) respectively penetrate through constraint bolt holes (401) of three constraint steel plates (2), a certain pretightening force is applied, and the energy-consumption soft steel plate (1) can freely generate shear deformation under the action of an earthquake;
(4) the connecting Liang Ruangang damper is arranged at the middle part of the connecting beam, the left angle steel (4) is connected with the embedded part of the left half part of the connecting beam through a high-strength bolt, and the right angle steel (5) is connected with the embedded part of the right half part of the connecting beam through a high-strength bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710461295.6A CN107035018B (en) | 2017-06-14 | 2017-06-14 | Even Liang Ruangang attenuator and work progress |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710461295.6A CN107035018B (en) | 2017-06-14 | 2017-06-14 | Even Liang Ruangang attenuator and work progress |
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| CN107035018A CN107035018A (en) | 2017-08-11 |
| CN107035018B true CN107035018B (en) | 2023-09-22 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108166642A (en) * | 2018-01-19 | 2018-06-15 | 河北工业大学 | Gear mild steel damper and assembling constructing method |
| CN108952283B (en) * | 2018-07-24 | 2021-03-23 | 青岛理工大学 | Assembled variable-rigidity transverse connection energy dissipation part and installation method |
| US11371241B2 (en) | 2019-09-27 | 2022-06-28 | Changsha University Of Science & Technology | Damper for energy dissipation |
| CN110629899B (en) * | 2019-09-27 | 2020-12-08 | 长沙理工大学 | Energy dissipation damper based on tension-compression yielding of perforated steel plate |
| CN111622348B (en) * | 2020-06-09 | 2020-12-25 | 江苏海洋大学 | Prestressed self-resetting concrete truss structure and assembling method |
| CN112144688B (en) * | 2020-10-30 | 2023-04-14 | 中国地震局工程力学研究所 | Double-sided shearing type square steel tube damper and manufacturing method |
| CN114809767A (en) * | 2022-04-29 | 2022-07-29 | 东南大学 | Displacement amplification type mild steel damper |
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| JP2002004630A (en) * | 2000-06-15 | 2002-01-09 | Shimizu Corp | Installation structure for aseismatic damper |
| CN103498515A (en) * | 2013-10-14 | 2014-01-08 | 常州工学院 | Mild steel damper for included angle position or column foot position of beam column node |
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