CN112359998A - Telescopic replaceable buckling-restrained energy-dissipation supporting component - Google Patents
Telescopic replaceable buckling-restrained energy-dissipation supporting component Download PDFInfo
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- CN112359998A CN112359998A CN202011202342.3A CN202011202342A CN112359998A CN 112359998 A CN112359998 A CN 112359998A CN 202011202342 A CN202011202342 A CN 202011202342A CN 112359998 A CN112359998 A CN 112359998A
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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
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Abstract
The invention discloses a telescopic replaceable buckling-restrained energy-dissipation supporting member which comprises a square steel pipe 1, a circular arc-shaped steel plate 2 with a connecting plate, a core material steel plate 3, a steel pipe plug 4 and a connecting end plate 7; the core steel plate 3, the square steel pipe 1 and the circular arc steel plate 2 with the connecting plate are fixed together through bolts. The connecting end plates with the mounting holes on the two sides are connected with a building structure to form a lateral force resistant damping energy dissipation system. The rigidity, deformation and energy consumption of the supporting component can be adjusted by adjusting the number and width of the steel plates 2 with the arc-shaped connecting plates and the ratio of the arc diameter of the steel plates 2 with the arc-shaped connecting plates to the plate thickness of the steel plates.
Description
Technical Field
The invention relates to a telescopic replaceable buckling-restrained energy-dissipation supporting member which can be used for supporting in an assembled framework supporting structure and can also be used in the corresponding reinforcing field.
Background
In the design of building structures, a support is a member which effectively improves the lateral stiffness of the structure, and the common support has the problem of buckling under pressure. Aiming at the problems of high requirement on the processing precision and complex manufacturing process of the traditional buckling-restrained brace, the telescopic replaceable buckling-restrained energy-dissipation brace component is provided.
Disclosure of Invention
The invention provides a telescopic replaceable buckling-restrained energy-dissipation supporting member aiming at the defects of the prior art.
The invention adopts the following technical scheme:
a telescopic replaceable buckling-restrained energy-dissipation supporting component comprises a square steel pipe (1), a circular-arc-shaped steel plate (2) with a connecting plate, a core steel plate (3), a steel pipe plug (4) and a connecting end plate (7); the cross-section of the square steel pipe (1) is rectangular, and the core steel plate (3) is parallel to the two opposite surfaces of the square steel pipe (1) and is inserted into the square steel pipe (1) to separate the inside of the square steel pipe (1) into an upper inner space and a lower inner space: the steel plate (2) with the arc-shaped connecting plates is fixedly installed in the upper space and the lower space respectively, the steel plate (2) with the arc-shaped connecting plates is formed by connecting two connecting plates with the tail end of one section of arc-shaped steel plate, bolt holes are formed in the two connecting plates, a hole corresponding to the bolt hole of one connecting plate is formed in the core steel plate (3), a hole corresponding to the bolt hole of the other connecting plate is formed in the square steel pipe (1), and the core steel plate (3), the square steel pipe (1) and the steel plate (2) with the arc-shaped connecting plates are fixed together through bolts.
One end of the square steel tube (1) is connected with a connecting end plate (7), and the other end of the square steel tube is provided with an opening; the core steel plate (3) is inserted into the square steel pipe (1) from one end of the opening, the other end of the core steel plate (3) extends out of the square steel pipe (1), one end of the extension part is fixedly connected with a connecting end plate (7), the other end is positioned in the square steel pipe (1), one end of the core steel plate (3) positioned in the square steel pipe (1) is provided with a steel pipe plug (4), also set up steel pipe stopper (4) in square steel pipe (1) open-ended one end, two steel pipe stoppers (4) all with core steel sheet (3) fixed connection, steel pipe stopper (4) section shape is the same with square steel pipe (1) section shape, four sides of steel pipe stopper (4) outside and square steel pipe (1) contact have lubricating coating (5), lubricating coating (5) and square steel pipe (1) inner wall contact after steel pipe stopper (4) insert square steel pipe (1), steel pipe stopper (4) can freely slide.
The telescopic replaceable buckling-restrained energy-dissipation supporting component is characterized in that two circular arc-shaped steel plates (2) with connecting plates are arranged and fixed in a group in the upper space and the lower space inside the square steel pipe (1) in a mouth-to-mouth mode; the distances between the steel plates (2) with the arc-shaped connecting plates are equal; the distances between two groups of circular arc steel plates (2) with connecting plates and two adjacent steel pipe plugs (4) at the two ends of the square steel pipe (1) are equal.
The telescopic replaceable buckling-restrained energy-dissipation supporting component is characterized in that a certain gap is formed between the steel pipe plug (4) and the inner wall of the square steel pipe (1), the atmosphere communication of the left side and the right side of the steel pipe plug (4) is guaranteed, and the steel pipe plug (4) can freely slide.
The telescopic replaceable buckling-restrained energy-dissipation supporting component is characterized in that a certain side gap is formed between the connecting plate fixedly connected with the circular arc-shaped steel plate (2) with the connecting plate and the square steel pipe (1) and the inner wall of the square steel pipe (1).
The ratio of the arc diameter of the arc-shaped steel plate (2) with the connecting plate to the plate thickness of the telescopic replaceable buckling-restrained energy-dissipation supporting member is 4-20.
The ratio of the width of the circular arc-shaped steel plate (2) with the connecting plate to the circular arc diameter of the telescopic replaceable buckling-restrained energy-dissipation supporting member is more than or equal to 0.5.
The telescopic replaceable buckling-restrained energy-dissipation supporting component is characterized in that the lubricating coating (5) is made of polytetrafluoroethylene or nano onion carbon lubricating wear-resistant materials.
The telescopic replaceable buckling-restrained energy-dissipation supporting component is characterized in that the distance L between the steel pipe plug (4) and the end part of the square steel pipe (1)1The diameter d of the circular arc of the steel plate (2) with the connecting plate is more than or equal to 1 time of the diameter of the circular arc1。
The telescopic replaceable buckling-restrained energy-dissipation supporting member is characterized in that the installation distance L of each group of circular arc steel plates (2) with connecting plates2The diameter d of the circular arc of the steel plate (2) with the connecting plate is more than or equal to 1 time of the diameter of the circular arc1。
The connecting end plates with the mounting holes on the two sides are connected with a building structure to form a lateral force resistance damping energy dissipation system, when the telescopic replaceable buckling-restrained energy dissipation supporting member is pulled or pressed, the connecting end plates at the two ends can respectively drive the external combined square steel pipe and the core steel plate to generate relative sliding in a gap, the core steel plate is positioned in the external combined square steel pipe to relatively slide through the steel pipe plug and drives the circular arc-shaped steel plate with the connecting plate, which is respectively connected to the core steel plate and the internal of the external combined square steel pipe, to generate displacement, so that the arc-shaped section of the circular arc-shaped steel plate with the connecting plate is bent and can yield, and the good hysteretic energy dissipation performance of the steel due to the pulling of the bending is reasonably utilized through the conversion, so that the energy dissipation. The rigidity, deformation and energy consumption of the supporting component can be adjusted by adjusting the number and width of the steel plates 2 with the arc-shaped connecting plates and the ratio of the arc diameter of the steel plates 2 with the arc-shaped connecting plates to the plate thickness of the steel plates.
Drawings
Fig. 1 is a schematic view of a telescopic replaceable buckling restrained energy dissipating support member according to the present invention;
FIG. 2 is a sectional view taken along line A-A of FIG. 1;
FIG. 3 is a sectional view taken along line B-B of FIG. 1;
FIG. 4 is a cross-sectional view C-C of FIG. 1;
FIG. 5 is a cross-sectional view taken along line D-D of FIG. 1;
FIG. 6 is a top view of FIG. 1;
FIG. 7 is a partial schematic view of the inner piston core within the outer sleeve;
in the figure: 1. the steel pipe comprises a square steel pipe body, 2 circular arc-shaped steel plates with connecting plates, 3 core material steel plates, 4 steel pipe plugs, 5 lubricating coatings, 6 bolts, 7 connecting end plates, 8 side gaps.
Detailed Description
The present invention will be described in detail with reference to specific examples.
As shown in fig. 1-7, the telescopic replaceable buckling-restrained energy-dissipation supporting component comprises a square steel pipe 1, a circular arc-shaped steel plate 2 with a connecting plate, a core steel plate 3, a steel pipe plug 4, a lubricating coating 5, a bolt 6 and a connecting end plate 7. The cross section of the square steel pipe 1 is rectangular, two opposite surfaces of the core steel plate 3 parallel to the square steel pipe 1 are inserted into the square steel pipe 1, the interior of the square steel pipe 1 is divided into an upper space and a lower space, circular arc steel plates 2 with connecting plates are respectively arranged in the upper space and the lower space, the circular arc steel plates 2 with the connecting plates are formed by connecting two connecting plates with the tail ends of a section of circular arc steel plate, bolt holes are formed in the connecting plates, holes corresponding to the bolt holes of the connecting plates are formed in the core steel plate 3 and the square steel pipe 1, and the core steel plate 3, the square steel pipe 1 and the circular arc steel plates 2;
one end of the square steel tube 1 is connected with a connecting end plate 7, and the other end is provided with an opening; inside core steel sheet 3 inserted square steel pipe 1 from opening one end, the other end of core steel sheet 3 stretches out in the outside of square steel pipe 1, the one end that should stretch out and connection end plate 7 fixed connection, the other end is located inside square steel pipe 1, core steel sheet 3 is located the inside one end fixed connection steel pipe stopper 4 of square steel pipe 1, also set up steel pipe stopper 4 in 1 open-ended one end of square steel pipe, two steel pipe stoppers 4 all with 3 fixed connection of core steel sheet, steel pipe stopper 4 section shape is the same with 1 section shape of square steel pipe, four sides of the outside and the 1 contact of square steel pipe of steel pipe stopper 4 have lubricating coating 5, lubricating coating 5 and the 1 inner wall contact of square steel pipe after steel pipe 1 was inserted to steel pipe stopper 4, steel pipe stopper 4 can freely slide. D in the figure1Circular arc-shaped steel plate 2 with connecting plateArc diameter, L1The distance L between the steel pipe plug 4 and the end part of the square steel pipe 12The steel plates 2 with the arc-shaped connecting plates are arranged at intervals, and the steel plates 2 with the arc-shaped connecting plates are arranged at intervals with the steel pipe plugs 4.
Two circular arc steel plates 2 with connecting plates are a group and are arranged and fixed in the upper space and the lower space inside the square steel pipe 1 in a mouth-to-mouth mode; the distances between the steel plates 2 with the arc-shaped connecting plates in each group are equal; the distances between the two groups of circular arc steel plates 2 with the connecting plates and the two adjacent steel pipe plugs 4 at the end parts of the square steel pipes 1 are equal.
Two circular arc steel plates 2 with connecting plates are a group and are arranged and fixed in the upper space and the lower space inside the square steel pipe 1 in a mouth-to-mouth mode;
a certain gap is formed between the steel pipe plug 4 and the inner wall of the square steel pipe 1, so that the atmosphere on the left side and the right side of the steel pipe plug 4 are ensured to be communicated, and the steel pipe plug 4 can freely slide;
a side gap 8 with a certain width is formed between the side surface of the circular arc-shaped steel plate 2 with the connecting plate and the inner wall of the combined square steel pipe 1, and the circular arc-shaped steel plate 2 with the connecting plate can freely stretch and contract between the inner walls of the square steel pipe 1;
the square steel pipe 1 is formed by welding and assembling four steel plates, wherein the upper steel plate and the lower steel plate are provided with bolt holes;
the number of the circular arc steel plates 2 with the connecting plates is even, preferably 10 groups, and 5 groups of the upper space and the lower space of the square steel pipe 1 are respectively arranged;
in order to enhance the stability of the steel plate, the ratio of the arc diameter of the arc-shaped steel plate 2 with the connecting plate to the plate thickness of the steel plate is 4-20, and the hysteresis curve in the range has good energy consumption;
the ratio of the width of the circular arc-shaped steel plate 2 with the connecting plate (namely the distance between the left side and the right side of the circular arc-shaped steel plate 2 with the connecting plate in fig. 3) to the circular arc diameter of the circular arc-shaped steel plate 2 is more than or equal to 0.5, so that the arc-shaped steel plate 2 with the connecting plate can be effectively prevented from being unstable outside the arc plane, and the bearing capacity is reduced.
The lubricating coating 5 is a polytetrafluoroethylene or nano onion carbon lubricating wear-resistant material;
the distance L between the steel pipe plug 4 and the end part of the square steel pipe 11Should be largeEqual to or more than 1 time of arc diameter d of the steel plate 2 with the connecting plate1The steel pipe plug 4 is prevented from sliding out of the external combined square steel pipe 1 when being pulled or being blocked by the connecting end plate 7 when being pressed, and the energy consumption of a hysteresis curve cannot be realized;
the installation distance L of each group of circular arc steel plates 2 with connecting plates2Should be more than or equal to 1 time the arc diameter d of the circular arc-shaped steel plate 2 with the connecting plate1The energy consumption of mutual extrusion influence and displacement hysteresis curves caused by asynchronous deformation of a certain circular arc-shaped steel plate 2 with the connecting plate during stress yielding can be effectively prevented.
The connecting end plates with the mounting holes on the two sides are connected with a building structure to form a lateral force resistance damping energy dissipation system, when the telescopic replaceable buckling-restrained energy dissipation supporting member is pulled or pressed, the connecting end plates at the two ends can respectively drive the external combined square steel pipe and the core steel plate to generate relative sliding in a gap, the core steel plate is positioned in the external combined square steel pipe to relatively slide through the steel pipe plug and drives the circular arc-shaped steel plate with the connecting plate, which is respectively connected to the core steel plate and the internal of the external combined square steel pipe, to generate displacement, so that the arc-shaped section of the circular arc-shaped steel plate with the connecting plate is bent and can yield, and the good hysteretic energy dissipation performance of the steel due to the pulling of the bending is reasonably utilized through the conversion, so that the energy dissipation. The rigidity, deformation and energy consumption of the supporting component can be adjusted by adjusting the number and width of the steel plates 2 with the arc-shaped connecting plates and the ratio of the arc diameter of the steel plates 2 with the arc-shaped connecting plates to the plate thickness of the steel plates.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (10)
1. A telescopic replaceable buckling-restrained energy-dissipation supporting member is characterized by comprising a square steel pipe (1), a circular-arc-shaped steel plate (2) with a connecting plate, a core steel plate (3), a steel pipe plug (4) and a connecting end plate (7); the cross-section of the square steel pipe (1) is rectangular, and the core steel plate (3) is parallel to the two opposite surfaces of the square steel pipe (1) and is inserted into the square steel pipe (1) to separate the inside of the square steel pipe (1) into an upper inner space and a lower inner space: the steel plate (2) with the arc-shaped connecting plates is fixedly installed in the upper space and the lower space respectively, the steel plate (2) with the arc-shaped connecting plates is formed by connecting two connecting plates with the tail end of one section of arc-shaped steel plate, bolt holes are formed in the two connecting plates, a hole corresponding to the bolt hole of one connecting plate is formed in the core steel plate (3), a hole corresponding to the bolt hole of the other connecting plate is formed in the square steel pipe (1), and the core steel plate (3), the square steel pipe (1) and the steel plate (2) with the arc-shaped connecting plates are fixed together through bolts.
2. The telescopic and replaceable buckling restrained energy dissipation bracing member according to claim 1, wherein one end of the square steel tube (1) is connected with a connecting end plate (7), and the other end is open; the core steel plate (3) is inserted into the square steel pipe (1) from one end of the opening, the other end of the core steel plate (3) extends out of the square steel pipe (1), one end of the extension part is fixedly connected with a connecting end plate (7), the other end is positioned in the square steel pipe (1), one end of the core steel plate (3) positioned in the square steel pipe (1) is provided with a steel pipe plug (4), also set up steel pipe stopper (4) in square steel pipe (1) open-ended one end, two steel pipe stoppers (4) all with core steel sheet (3) fixed connection, steel pipe stopper (4) section shape is the same with square steel pipe (1) section shape, four sides of steel pipe stopper (4) outside and square steel pipe (1) contact have lubricating coating (5), lubricating coating (5) and square steel pipe (1) inner wall contact after steel pipe stopper (4) insert square steel pipe (1), steel pipe stopper (4) can freely slide.
3. The telescopic and replaceable buckling restrained energy dissipation bracing member as claimed in claim 1, wherein two circular arc-shaped steel plates (2) with connecting plates are arranged and fixed in a group in the upper space and the lower space inside the square steel tube (1) in a mouth-to-mouth manner; the distances between the steel plates (2) with the arc-shaped connecting plates are equal; the distances between two groups of circular arc steel plates (2) with connecting plates and two adjacent steel pipe plugs (4) at the two ends of the square steel pipe (1) are equal.
4. The telescopic and replaceable buckling restrained energy dissipation supporting member as claimed in claim 1, wherein a certain gap is formed between the steel pipe plug (4) and the inner wall of the square steel pipe (1), so that the atmosphere communication between the left side and the right side of the steel pipe plug (4) is ensured, and the steel pipe plug (4) can freely slide.
5. The telescopic and replaceable buckling-restrained energy-dissipation supporting member as claimed in claim 1, wherein a certain side gap is formed between the connecting plate fixedly connected with the square steel tube (1) and the inner wall of the square steel tube (1) by the circular arc-shaped steel plate (2) with the connecting plate.
6. The telescopic replaceable buckling restrained energy dissipation brace member as recited in claim 1, wherein the ratio of the circular arc diameter of the circular arc-shaped steel plate (2) with the connecting plate to the plate thickness thereof is 4-20.
7. The telescopic replaceable buckling restrained energy dissipating support member as claimed in claim 1, wherein the ratio of the width of the circular arc-shaped steel plate (2) with the connecting plate to the circular arc diameter thereof should be 0.5 or more.
8. The telescopic replaceable buckling restrained energy dissipating support member as claimed in claim 2, wherein the lubricating coating (5) is polytetrafluoroethylene or nano onion carbon lubricating wear resistant material.
9. The telescopic replaceable buckling restrained energy dissipating support member as claimed in claim 1, wherein the steel pipe plug (4) is spaced apart from the end of the square steel pipe (1) by a distance L1The diameter d of the circular arc of the steel plate (2) with the connecting plate is more than or equal to 1 time of the diameter of the circular arc1。
10. The telescopic replaceable buckling restrained energy dissipating support member as claimed in claim 3, wherein the mounting distance L of each set of circular arc-shaped steel plates (2) with connecting plates2The diameter d of the circular arc of the steel plate (2) with the connecting plate is more than or equal to 1 time of the diameter of the circular arc1。
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| CN202011202342.3A CN112359998A (en) | 2020-11-02 | 2020-11-02 | Telescopic replaceable buckling-restrained energy-dissipation supporting component |
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| CN202011202342.3A CN112359998A (en) | 2020-11-02 | 2020-11-02 | Telescopic replaceable buckling-restrained energy-dissipation supporting component |
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Application publication date: 20210212 |