CN115182474A - Energy consumption bracing system based on bistable rod piece system - Google Patents
Energy consumption bracing system based on bistable rod piece system Download PDFInfo
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- CN115182474A CN115182474A CN202210683787.0A CN202210683787A CN115182474A CN 115182474 A CN115182474 A CN 115182474A CN 202210683787 A CN202210683787 A CN 202210683787A CN 115182474 A CN115182474 A CN 115182474A
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- 238000005265 energy consumption Methods 0.000 title claims abstract description 40
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 47
- 239000010959 steel Substances 0.000 claims abstract description 47
- 238000006073 displacement reaction Methods 0.000 claims abstract description 29
- 238000010276 construction Methods 0.000 claims description 10
- 229910000639 Spring steel Inorganic materials 0.000 claims description 9
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 5
- 239000010962 carbon steel Substances 0.000 claims description 5
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 4
- 230000002787 reinforcement Effects 0.000 abstract description 4
- 238000004458 analytical method Methods 0.000 abstract description 3
- 230000009471 action Effects 0.000 description 6
- 230000006378 damage Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000007906 compression Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010205 computational analysis Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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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
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
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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
Abstract
The invention provides an energy consumption diagonal bracing system based on a bistable member system, which belongs to the technical field of earthquake resistance and comprises a ground beam, a steel frame structure, a displacement sensor, an energy consumption diagonal bracing device and a data acquisition and analysis system, wherein the steel frame structure comprises a plurality of outer frame columns and a plurality of horizontal tie bars. The invention has the characteristics of stability, reliability, high efficiency, safety, low cost and long service life, is not limited by the floors of the building structure, improves the traditional anti-seismic frame structure, has good anti-seismic performance and stronger adaptability to the environment, and applies the energy-consuming diagonal brace based on the bistable rod piece system to a steel frame structure system to realize the anti-seismic reinforcement of the building structure and assist the displacement sensor to accurately control the provided information, thereby realizing the real-time earthquake early warning, not only enabling the building structure system to be stable and reliable, but also being capable of forecasting the earthquake information in time, and having rich and various functions.
Description
Technical Field
The invention relates to the technical field of earthquake resistance, in particular to an energy consumption diagonal bracing system based on a bistable rod piece system.
Background
The steel frame structure system containing the diagonal bracing is an important anti-seismic measure for effectively protecting a building structure, and is an anti-seismic steel frame system mainly bearing earthquake force and load. The high-strength energy-consumption anti-seismic frame system mainly comprises high-strength bolt components, energy-consumption inclined struts, anti-seismic connecting pieces and the like, all the components forming the anti-seismic frame system are finished components, the connecting pieces are simple in structure and convenient to install, and later-period installation and uninstallation are relatively convenient. The biggest difference between an anti-seismic steel frame system and a bearing structure system is that the anti-seismic steel frame system is provided with an anti-seismic energy consumption inclined strut or not, the anti-seismic steel frame system is only attached to the outer side of a building bearing structure system, the anti-seismic reinforcement of a building structure is realized, the anti-seismic performance of the building structure is improved, the steel frame structure system containing the inclined strut is mainly used for resisting the action of horizontal seismic force by the bearing structure inclined strut, so that the anti-seismic purpose of the steel frame structure system is achieved, the supporting system which is originally bound in the horizontal direction without limitation can be safe and stable when an earthquake happens, and serious secondary disasters caused by falling due to excessive shaking of the bearing structure system are avoided. In case of earthquake, the whole structure system generates large amplitude swing without limit, and gradually breaks and falls off at the rooting part or the connecting part of the structure, so that the damage of the whole structure system not only influences the normal use of the building structure, but also can even cause personal injury of pedestrians due to the falling of reinforced concrete. The traditional anti-seismic frame structure system resists horizontal earthquake and acts as 'hard resistance' so as to cause the problem of relatively rigid structure and the problem of residual deformation of the anti-seismic steel frame after earthquake.
Disclosure of Invention
The invention aims to provide an energy consumption diagonal bracing system based on a bistable rod system, which is applied to a steel frame structure system, and solves the technical problems that the structure is relatively rigid due to the horizontal earthquake resisting effect of a traditional earthquake-resistant frame steel structure as 'hard resistance' and the energy consumption diagonal bracing cannot automatically restore after an earthquake in the prior art has low efficiency.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the utility model provides an energy consumption bracing system based on bistable member system, including the grade beam, steel frame construction, displacement sensor, energy consumption bracing device and data acquisition analytic system, the grade beam sets up inside the earth in the house outside, steel frame construction sets up on the grade beam, energy consumption bracing device sets up on steel frame construction, displacement sensor sets up on steel frame construction, steel frame construction includes a plurality of outer frame posts and a plurality of horizontal tie rod, a plurality of horizontal tie rod interval levels set up on a plurality of outer frame posts, displacement sensor sets up on horizontal tie rod, displacement sensor and data acquisition analytic system are connected.
Further, the energy consumption inclined strut device is arranged in a diagonal line type, a herringbone type or an X type.
Furthermore, the steel frame structure is attached to the outer wall of a building, a horizontal tie bar is arranged on the horizontal line of the floor slab of each floor of the building, and a plurality of displacement sensors are arranged on none of the horizontal tie bars.
Furthermore, the energy consumption inclined strut device is composed of a plurality of energy consumption inclined struts which are arranged end to end.
Furthermore, the energy-consuming diagonal brace comprises two outer sleeves, a spring baffle and a flexible hinge rod, wherein the two outer sleeves are arranged oppositely, the spring is arranged inside the outer sleeve, one end of the spring is connected with the inner side of the outer sleeve, two ends of the spring baffle are sleeved inside the two outer sleeves and are connected with the other end of the spring, and the flexible hinge rod is arranged between the two outer sleeves and is connected with the two outer sleeves.
Furthermore, the outer end of the outer sleeve is provided with a bolt connecting hole, and the outer sleeve is connected with the outer frame column through the bolt connecting hole.
Furthermore, the flexible hinge rods are arranged to be of a V-shaped structure, the two sides of the spring baffle are respectively provided with the flexible hinge rods, the opening direction of the V-shaped structure is opposite to the spring baffle, and the two ends of the V-shaped structure are connected with the two outer sleeves.
Furthermore, the outer sleeve adopts an anti-seismic support C-shaped channel steel, the spring adopts a steel spring supported by carbon steel, and the flexible hinge rod adopts spring steel or alloy spring steel.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
the invention has the characteristics of stability, reliability, high efficiency, safety, low cost and long service life, is not limited by the floors of the building structure, improves the traditional anti-seismic frame structure, ensures that the traditional anti-seismic frame structure has good anti-seismic performance and has stronger adaptability to the environment, and in addition, the energy-consuming diagonal brace based on the bistable rod piece system is applied to a steel frame structure system, thereby realizing the anti-seismic reinforcement of the building structure and assisting the displacement sensor to accurately control the provided information, thereby realizing the real-time earthquake early warning, not only ensuring the stability and the reliability of the building structure system, but also timely forecasting the earthquake information and having rich and various functions.
Drawings
FIG. 1 is a detailed view of the arrangement of the energy dissipating brace between layers 4 according to the present invention;
FIG. 2 is a schematic view of an energy-consuming diagonal bracing X-type 18-story building arrangement structure according to the present invention;
fig. 3 is a schematic view of an energy-consuming diagonal brace according to the present invention.
In the attached drawing, 1-ground beam, 2-outer frame column, 3-horizontal tie rod, 4-displacement sensor, 5-energy consumption diagonal bracing device, 6-outer sleeve, 7-spring, 8-spring baffle, 9-flexible hinge rod and 10-bolt connecting hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings by way of examples of preferred embodiments. It should be noted, however, that the numerous details set forth in the description are merely for the purpose of providing the reader with a thorough understanding of one or more aspects of the present invention, which may be practiced without these specific details.
As shown in fig. 1-2, an energy consumption diagonal bracing system based on a bistable rod system comprises a ground beam 1, a steel frame structure, a displacement sensor 4, an energy consumption diagonal bracing device 5 and a data acquisition and analysis system, wherein the ground beam 1 is arranged inside soil outside a house, the steel frame structure is arranged on the ground beam 1, the energy consumption diagonal bracing device 5 is arranged on the steel frame structure, the displacement sensor 4 is arranged on the steel frame structure, the steel frame structure comprises a plurality of outer frame columns 2 and a plurality of horizontal tie bars 3, the plurality of horizontal tie bars 3 are horizontally arranged on the plurality of outer frame columns 2 at intervals, the displacement sensor 4 is arranged on the horizontal tie bars 3, and the displacement sensor 4 is connected with the data acquisition and analysis system.
An earthquake causes the house to be subjected to an inertial force. The inertial force caused by earthquake, usually called earthquake force, is composed of horizontal waves and vertical waves of earthquake, and during earthquake, the building structure is subjected to the action of horizontal waves and vertical waves of ground spread in addition to the action of dead weight and vertical static force of people and objects. When an earthquake occurs, longitudinal waves reach the ground first and transverse waves are behind the earthquake, but transverse waves are the main cause of house damage. Under the action of a horizontal earthquake, the energy-consuming diagonal brace based on the bistable rod system generates tension-compression deformation, the inner sleeve and the outer sleeve generate frictional sliding through the sliding blocks to realize the energy-consuming and shock-absorbing functions, under the condition that the inner sleeve and the outer sleeve generate relative displacement, the spring at the end part is subjected to tension-compression deformation, and meanwhile, the flexible hinge rod is switched between two stable states to provide counter force for the inner sleeve so as to realize the automatic recovery function of the diagonal brace.
In the proposed invention, the intelligent detection of the displacement of the building structure under the action of earthquake force is realized by a displacement sensor, and the system consists of a sensing unit, a calculating unit and an energy unit; wherein the sensing unit is used for sensing by the displacement sensor in time; and the computing unit is given data by a computer system, and functions comprise data acquisition and computational analysis. The intelligent detection process is as shown in fig. 2, displacement sensors are arranged at the horizontal tie bars, a plurality of displacement sensors are arranged at certain intervals on each floor, and energy units of the sensors are realized by energy brought by earthquakes.
In the embodiment of the invention, the bistable energy dissipation diagonal bracing has various arrangement modes in a steel frame structure, and the energy dissipation diagonal bracing device 5 is set to be diagonal, herringbone or X-shaped. In the embodiment of the invention, the X-shaped inclined strut is mainly arranged on the steel frame structure.
In the embodiment of the invention, the steel frame structure is attached to the outer wall of a building, a horizontal tie bar 3 is arranged on the horizontal line of a floor slab of each floor of the building, and a plurality of displacement sensors 4 are arranged on none of the horizontal tie bars 3.
Because the truss barrel system is large enough, the figure only shows the application scene of one X-shaped steel support, see figure 2, a complete X-shaped support occupies 18 floors of height, the distance between every two floors is 3.4m, and a horizontal tie rod is also arranged at the joint of the two X-shaped supports. The layout detail view of the energy dissipation diagonal bracing only shows 4 layers 4 of the elevation schematic view, as shown in fig. 1, the installation mode is a frame steel structure as an example, in addition, in order to realize quick installation, bolt openings are reserved at the corners, and the distance between the two bolts is about 18m. A bolt opening is prefabricated at a node of an outer frame column, so that the energy-consuming diagonal brace is efficiently connected with the bolt opening and is used for quick fixation; the displacement sensor is arranged at the axis of the horizontal tie bar, is efficiently connected by a steel wire, and converts the mechanical displacement into an electric signal in a computer system, thereby realizing the detection of the change of the displacement, and the error range is about 0.005 mm. The distance between the two steel columns is 12m.
In the embodiment of the invention, the energy consumption inclined strut device 5 consists of a plurality of energy consumption inclined struts which are connected end to end.
In the embodiment of the invention, as shown in fig. 3, the energy-consuming diagonal brace comprises two outer sleeves 6, a spring 7, a spring baffle 8 and a flexible hinge rod 9, wherein the two outer sleeves 6 are arranged oppositely, the spring 7 is arranged inside the outer sleeve 6, one end of the spring 7 is connected with the inner side of the outer sleeve 6, two ends of the spring baffle 8 are sleeved inside the two outer sleeves 6 and are connected with the other end of the spring 7, and the flexible hinge rod 9 is arranged between the two outer sleeves 6 and is connected with the two outer sleeves 6.
The outer end of the outer sleeve 6 is provided with a bolt connecting hole 10, and the outer sleeve 6 is connected with the outer frame column 2 through the bolt connecting hole 10. The flexible hinge rod 9 is set to be of a V-shaped structure, the flexible hinge rod 9 is arranged on each of two sides of the spring baffle 8, the opening direction of the V-shaped structure is opposite to the spring baffle 8, and two ends of the V-shaped structure are connected with the two outer sleeves 6. The outer sleeve 6 is made of anti-seismic support C-shaped channel steel, the spring 7 is made of a steel spring supported by carbon steel, and the flexible hinge rod 9 is made of spring steel or alloy spring steel.
The outer sleeve adopts an anti-seismic support C-shaped channel steel, is a mechanical device or structure for supporting, suspending, limiting displacement or fixing a pipeline system, can effectively resist sliding, impact and shearing, and facilitates reliable connection of the whole system due to the bolt connection parts fixed on two sides. The spring is made of carbon steel, and the carbon steel is low in price, convenient in material source and good in elastic limit. The spring baffle is made of spring steel, and has the function similar to that of a spring. The most important is the flexible hinge rod which generally adopts spring steel (65 Mn) or alloy spring steel (60 Si2 Mn) and is characterized in that: no mechanical friction, no gap and high motion sensitivity. In the diagonal bracing device, the diagonal bracing device is a key component for realizing switching between two stable states, the components jointly form an energy consumption diagonal bracing device based on a bistable member system, a complete X-shaped support consists of 12 energy consumption diagonal bracing with the length of 18m, the structure is a huge truss cylinder system consisting of an outer frame column, the X-shaped diagonal bracing and a horizontal tie bar, and the truss cylinder system is respectively provided with 5.5X-shaped steel supports.
In areas with seismic fortification intensity of more than 6 degrees, seismic fortification is needed, seismic measures are added, and for high-rise buildings with the height of more than 200m, seismic resistance is a problem to be solved urgently, and the stability and reliability of the high-rise buildings are directly influenced. In high-rise buildings, except for using the self bearing capacity to resist the energy brought by the earthquake, an energy consumption device is generally added in a structural system, namely, the load bearing function of the structural system is separated from the earthquake energy dissipation function, a main structure mainly bears vertical load, and the earthquake energy input into the structure is absorbed or dissipated by the energy consumption device arranged in the structure. Since the dissipation devices absorb and dissipate the vast majority of the seismic energy, the energy experienced by the structure itself is reduced, which means that the structural response will be reduced, effectively protecting the host structure from damage. However, various energy consumption devices on the market are not mature at present, and various problems still exist, for example, the energy consumption efficiency of energy released by an earthquake is low, the energy cannot be completely or largely absorbed, meanwhile, the energy cannot be well released, even if the energy can be effectively released, the device cannot be quickly restored to the original shape, so that the energy cannot be well absorbed when the next energy wave comes, and numerous cases prove that the insufficient deformation capacity and the insufficient energy consumption capacity are main reasons for collapse of a building structure under the action of a major earthquake, and multiple aftershocks are often accompanied after the major earthquake, so that the energy consumption devices in the building structure are required to have the characteristics of high efficiency, quick response, reutilization, convenience in operation, economy and applicability, and the like. Therefore, based on the principle of mechanical metamaterials, the energy consumption diagonal support based on the bistable rod system can effectively solve the difficult problem of high-rise buildings, particularly, the bistable rod system is switched between two stable states, a component is prevented from entering a plastic deformation stage, the energy consumption efficiency can be greatly improved, an energy consumption mechanism is protected from irreversible damage, energy absorption and release brought by an earthquake are avoided, the energy consumption diagonal support based on the bistable rod system is applied to a steel frame structure system, the earthquake-resistant reinforcement of a building structure is realized, and the earthquake-resistant effect is achieved. The energy-consumption inclined strut device comprises an outer sleeve, a spring baffle and a flexible hinge rod, wherein the outer sleeve is sleeved on the outer side of a sliding block in a sliding mode, one end of the spring is connected with the inner side of the outer sleeve through the spring baffle, the spring baffle is tightly attached to the sliding block, the end portion of the inner sleeve is provided with a bolt connection portion, the flexible hinge rod is connected with the outer sleeve in a hinged mode, and the two outer sleeves are connected with each other through the spring in a hinged mode. The invention aims to solve the problems that the existing energy-consuming inclined strut system is difficult to consume energy and absorb shock and can not automatically restore the original shape due to easy generation of residual deformation after an earthquake. The invention has simple structure, ingenious design, relatively convenient later-stage installation and firm assembly, and is suitable for popularization and use.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention.
Claims (8)
1. An energy consumption bracing system based on bistable lever system which characterized in that: including ground beam (1), the steel frame construction, displacement sensor (4), power consumption bracing device (5) and data acquisition analytic system, ground beam (1) sets up inside the earth in the house outside, the steel frame construction sets up on ground beam (1), power consumption bracing device (5) set up on the steel frame construction, displacement sensor (4) set up on the steel frame construction, the steel frame construction includes a plurality of outer frame post (2) and a plurality of horizontal tie rod (3), a plurality of horizontal tie rod (3) interval level set up on a plurality of outer frame post (2), displacement sensor (4) set up on horizontal tie rod (3), displacement sensor (4) are connected with data acquisition analytic system.
2. The bi-stable rod system based energy dissipating sprag system of claim 1, wherein: the energy consumption inclined strut device (5) is arranged in a diagonal line type, a herringbone type or an X type.
3. The bi-stable rod system based energy dissipating sprag system of claim 2, wherein: the steel frame structure is attached to the outer wall of a building, a horizontal tie bar (3) is arranged on the horizontal line of a floor slab of each floor of the building, and a plurality of displacement sensors (4) are arranged on none of the horizontal tie bars (3).
4. The bi-stable rod system based energy dissipating sprag system of claim 1, wherein: the energy consumption inclined strut device (5) is composed of a plurality of energy consumption inclined struts which are connected end to end.
5. The bi-stable rod system based energy dissipating sprag system of claim 4, wherein: energy consumption bracing includes two outer tubes (6), spring (7), spring baffle (8) and flexible hinge rod (9), two outer tubes (6) set up relatively, spring (7) set up the inside in outer tube (6), and one end is connected with the inboard of outer tube (6), the inside in two outer tubes (6) is established at the both ends cover of spring baffle (8), and be connected with the other end of spring (7), flexible hinge rod (9) set up between two outer tubes (6), and be connected with two outer tubes (6).
6. The bi-stable rod system based energy dissipating sprag system of claim 5, wherein: the outer end of the outer sleeve (6) is provided with a bolt connecting hole (10), and the outer sleeve (6) is connected with the outer frame column (2) through the bolt connecting hole (10).
7. The bi-stable rod system based energy dissipating sprag system of claim 6, wherein: the flexible hinge rod (9) is arranged to be of a V-shaped structure, the flexible hinge rods (9) are arranged on the two sides of the spring baffle (8), the opening direction of the V-shaped structure is opposite to the spring baffle (8), and the two ends of the V-shaped structure are connected with the two outer sleeves (6).
8. The bi-stable rod system based energy dissipating sprag system of claim 7, wherein: the outer sleeve (6) adopts an anti-seismic support C-shaped channel steel, the spring (7) adopts a steel spring supported by carbon steel, and the flexible hinge rod (9) adopts spring steel or alloy spring steel.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210683787.0A CN115182474B (en) | 2022-06-16 | 2022-06-16 | Energy-consumption diagonal bracing system based on bistable rod piece system |
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| CN202210683787.0A CN115182474B (en) | 2022-06-16 | 2022-06-16 | Energy-consumption diagonal bracing system based on bistable rod piece system |
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| CN115182474B CN115182474B (en) | 2024-04-02 |
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