CN109853779B - Full-swing structure system containing swing column and swing wall and construction method thereof - Google Patents
Full-swing structure system containing swing column and swing wall and construction method thereof Download PDFInfo
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- CN109853779B CN109853779B CN201910069101.7A CN201910069101A CN109853779B CN 109853779 B CN109853779 B CN 109853779B CN 201910069101 A CN201910069101 A CN 201910069101A CN 109853779 B CN109853779 B CN 109853779B
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Abstract
The invention provides a full-swing structure system containing a swing column and a swing wall and a construction method thereof. The system mainly comprises a swinging wall part, a frame part and energy consumption components. The swinging wall is hinged with the foundation, and buckling restrained braces are arranged at two ends of the wall bottom. The frame part consists of an elastically recoverable swing column and a frame beam, and the upper end and the lower end of the swing column are connected with the frame beam through recoverable column feet. The swinging wall is connected with the frame through energy dissipation dampers. Under the action of horizontal earthquake, the structural system transmits lateral rigidity and interlayer shearing force through the swinging wall, so that the structural deformation is uniform. Seismic energy is dissipated through dissipative dampers and buckling restrained braces at the bottom disposed on the sides of the sway wall. The elastic deformation of the swing column ensures that the frame main body is not damaged by yielding. After an earthquake, repairability of the structural system can be realized by replacing buckling restrained braces at the bottom of the swinging wall and energy-consuming dampers at the side edges.
Description
Technical Field
The invention relates to the technical field of civil engineering structures, in particular to a full-swing structure system comprising a swing column and a swing wall.
Background
In early swing building structures, the upper structure and the foundation bottom surface are allowed to be lifted to a certain extent mainly by loosening the constraint between the upper structure and the foundation, so that the swing of the wall body is realized, the ductility requirement of the upper structure under the action of strong earthquake is reduced, and the earthquake damage is reduced.
The reinforcement engineering of the G3 teaching building of the university of tokyo industry is a more successful case of swing structure, but the deformation between the frame structure and the swing wall is not coordinated. Although the energy consumption connecting pieces are arranged on two sides of the wall body, when the deformation is large, the beam column joints of the frame part are easy to generate plastic damage.
At present, some scholars research a controlled swing type frame with hinged column ends, the lateral rigidity of the controlled swing type frame is mainly provided by an X-shaped steel plate buckling damper between columns, and the self-resetting is realized through prestressed tendons in the columns, but the problems of insufficient lateral rigidity, inconvenient construction, insufficient wind resistance and small shock resistance and the like are possibly caused.
Therefore, it is needed to provide a damage-controllable structural system capable of compensating for insufficient lateral force resistance of a frame structure, so that the structure has better energy consumption capability, and meanwhile, plastic damage of beam column nodes is avoided.
Disclosure of Invention
The invention aims to provide a full-swing structure system containing a swing column and a swing wall and a construction method thereof, which are used for solving the problems in the prior art.
The technical scheme adopted for realizing the purpose of the invention is that the full-swing structure system comprising the swing column and the swing wall comprises a plurality of swing walls and a plurality of frame structures which are arranged above a foundation beam.
Each swinging wall is arranged between two adjacent frame structures. The bottom of the swinging wall is hinged to the upper surface of the foundation beam through an X-shaped support at the bottom of the wall.
The X-shaped support at the bottom of the wall comprises a top wrapping steel plate, an X-shaped part and a bottom wrapping steel plate. The top outsourcing steel plate is fixed in the wall bottom surface sways. And the bottom outer-coated steel plate is fixedly embedded on the upper surface of the foundation beam. The X-shaped portion includes an upper V-shaped plate and a lower V-shaped plate. The open end of the upper V-shaped plate faces upwards. The opening of the lower V-shaped plate faces downwards. The connecting end of the upper V-shaped plate is hinged with the connecting end of the lower V-shaped plate through a central hinge point. Two sides of the X-shaped part are respectively provided with a buckling-restrained energy dissipation brace. The upper and lower ends of buckling restrained brace are connected with top outsourcing steel sheet and bottom outsourcing steel sheet respectively.
The frame structure comprises a plurality of frame beams and a plurality of swing columns. The frame beam and the swing column are hinged through the recoverable column base. The bottom layer swing column in the frame structure is connected with the foundation beam through the recoverable column foot. And an energy consumption damper is arranged between the frame beam and the swinging wall.
The recoverable column base is integrally a spherical support and comprises an upper seat plate, a sphere-missing inlay and a lower seat plate. The upper seat board is positioned above the lower seat board. The lower seat board comprises a lower seat board main body and a lower seat board connecting board. The upper surface of the lower seat board main body is concavely provided with a spherical groove corresponding to the sphere-shaped inlay. The inlay is disposed between the upper seat plate and the lower seat plate main body. A plurality of peripheral supporting springs are also arranged between the upper seat board and the lower seat board connecting plate. The peripheral support springs are uniformly distributed along the circumferential direction. The upper surface of the upper seat board is connected with the surface of the swinging column. The lower surface of the lower seat board connecting plate is connected with the surface of the frame beam or the foundation beam.
Further, the energy consumption damper is a metal damper.
Further, the frame beam is a reinforced concrete beam or a reinforced concrete composite beam. And a steel plate is embedded in the frame beam.
Further, the swing column is a steel structure column. The section of the swing column is round, square or cross.
Further, the buckling restrained brace comprises an inner mandrel force unit, a restraining unit, an isolation unit and a connecting unit.
Further, the inner spindle force unit is a cross-shaped core material. The restraining unit is a steel sleeve wrapped on the outer side of the cross-shaped core material. The connecting units are positioned at two ends of the support and are used for connecting the support with the X-shaped support at the bottom of the wall.
Further, a plurality of embedded welding plates are embedded in the upper surface of the foundation beam.
The invention also discloses a construction method for the structural system, which comprises the following steps:
1) And pouring a foundation beam.
2) And installing an X-shaped support and an anti-buckling support at the bottom of the wall.
3) And installing a bottom layer swing column.
4) And building a support and a template, and pouring a swinging wall.
5) And installing frame beams and recoverable column feet.
6) And installing energy-consumption dampers and connecting the swinging wall and the frame beam.
7) And installing an intermediate layer swing column.
8) Repeating the steps 5-7 until all the components are installed.
The technical effects of the invention are undoubted:
A. the good energy consumption capability of the swinging structure under the strong vibration effect is utilized, and the advantages of flexible arrangement and space saving of the frame structure can be combined;
B. the swing wall has high lateral rigidity, is used for resisting horizontal load, only bears vertical load, and has a small design section;
C. under the action of horizontal earthquake, the structural system transmits lateral rigidity and interlayer shearing force through the swinging wall, so that the structural deformation is uniform; seismic energy is dissipated through energy dissipation dampers arranged on the side edges of the swinging wall and buckling-restrained braces arranged at the bottom; the elastic deformation of the swing column ensures that the frame main body is not damaged by yielding;
D. the self-resetting performance and damage controllability of a certain degree are achieved, structural shock damage can be relieved, and post-earthquake repair is facilitated.
Drawings
FIG. 1 is a schematic diagram of an elevation of a damage control system;
FIG. 2 is a schematic diagram of a structure in a multi-span arrangement;
FIG. 3 is a schematic view of the structure of the X-shaped support at the bottom of the wall;
FIG. 4 is a schematic diagram of a metal dissipative damper;
FIG. 5 is a schematic view of an anti-buckling energy dissipating brace;
fig. 6 is a schematic diagram of a recoverable column shoe.
In the figure: the wall comprises a swinging wall 1, a frame structure 2, a frame beam 201, swinging columns 202, recoverable column feet 203, an upper base plate 2031, a sphere-missing inlay 2032, a lower base plate main body 2033, a lower base plate connecting plate 2034, a peripheral supporting spring 2035, a wall bottom X-shaped support 3, a top outsourcing steel plate 301, an upper V-shaped plate 302, a lower V-shaped plate 303, a bottom outsourcing steel plate 304, a central hinge point 305, an energy consumption damper 4, a metal stiffening rib steel plate 401, a high-strength bolt 402, an embedded steel plate 403, an buckling-restrained energy consumption support 5, a steel sleeve 502 outside a cross-shaped core material 501 and a foundation beam 6.
Detailed Description
The present invention is further described below with reference to examples, but it should not be construed that the scope of the above subject matter of the present invention is limited to the following examples. Various substitutions and alterations are made according to the ordinary skill and familiar means of the art without departing from the technical spirit of the invention, and all such substitutions and alterations are intended to be included in the scope of the invention.
Example 1:
referring to fig. 1 and 2, embodiment 1 discloses a full swing structure system including a swing column and a swing wall, including a swing wall 1 and a frame structure 2 disposed above a foundation beam 6.
Each of the rocking walls 1 is arranged between two adjacent frame structures 2. The bottom of the swinging wall 1 is hinged to the upper surface of a foundation beam 6 through a wall bottom X-shaped support 3.
Referring to fig. 3, the wall bottom X-shaped support 3 includes a top exterior steel plate 301, an X-shaped portion, and a bottom exterior steel plate 304. The top outsourcing steel plate 301 is fixed in the bottom surface of the swinging wall 1. The bottom outsourcing steel plate 304 is embedded and fixed on the upper surface of the foundation beam 6. The X-shaped section includes an upper chevron plate 302 and a lower chevron plate 303. The upper V-shaped plate 302 is open end facing upward. The lower V-shaped plate 303 is open downward. The connecting end of the upper V-shaped plate 302 and the connecting end of the lower V-shaped plate 303 are hinged together by a central hinge point 305. Two sides of the X-shaped part are respectively provided with an anti-buckling energy dissipation support 5. The upper and lower ends of the buckling restrained brace 5 are respectively connected with a top outer-wrapping steel plate 301 and a bottom outer-wrapping steel plate 304. Referring to fig. 5, the buckling restrained brace 5 includes a mandrel force unit, a restraining unit, an isolating unit, and a connecting unit. The inner axial force unit is a cross-shaped core material 501. The restraining element is a steel sleeve 502 wrapped outside the cross-shaped core 501. The connecting units are positioned at two ends of the support and are used for connecting the support with the X-shaped support 3 at the bottom of the wall.
The frame structure 2 comprises frame beams 201 and rocking columns 202. The frame beam 201 is a reinforced concrete beam or a reinforced concrete composite beam. The frame beam 201 is embedded with a steel plate, so that the frame beam is convenient to connect with the recoverable column base 203. The rocking beam 202 is a steel structural beam. The cross section of the rocking column 202 is circular, square or cross-shaped. The swing post 202 only bears vertical load, and the design section is small. The swing post 202 is connected to the recoverable post base 203 by welding. The frame beam 201 and the swing post 202 are hinged by a recoverable post base 203. The bottom deck swing post 202 in the frame structure 2 is connected to the foundation beam 6 by a recoverable post base 203. And an energy dissipation damper 4 is arranged between the frame beam 201 and the swinging wall 1. Referring to fig. 4, the dissipative damper 4 is a metal damper. The energy dissipation damper 4 comprises two groups of embedded steel plates 403 and a metal stiffening rib steel plate 401 connected between the two groups of embedded steel plates 403. Two groups of embedded steel plates 403 are fixedly connected with the swinging wall 1 and the frame beam 201 respectively through high-strength bolts 402.
Referring to fig. 6, the recoverable column base 203 is integrally formed as a spherical support, and includes an upper seat plate 2031, a spherical inlay 2032, and a lower seat plate. The upper seat 2031 is located above the lower seat. The lower seat pan includes a lower seat pan body 2033 and a lower seat pan connection plate 2034. The upper surface of the lower seat plate main body 2033 is concavely provided with a spherical groove corresponding to the inlay sphere 2032. The onlay 2032 is disposed between an upper seat plate 2031 and a lower seat plate body 2033. A plurality of peripheral support springs 2035 are also disposed between the upper and lower seat plates 2031, 2034. The peripheral support springs 2035 are evenly distributed circumferentially. The upper surface of the upper seat plate 2031 is connected to the surface of the swing post 202. The lower surface of the lower seat plate connecting plate 2034 is connected with the surface of the frame beam 201 or the foundation beam 6. The upper surface of the foundation beam 6 is pre-buried with a pre-buried welding plate. The lower surface of the lower seat plate connecting plate 2034 of the bottom layer recoverable column foot 203 is connected with an embedded welding plate.
When an earthquake comes, the structure mainly dissipates earthquake energy through the dampers at the two sides of the swinging wall and the buckling restrained brace at the bottom, the swinging wall and the swinging column are in coordinated deformation, and the main structure is not damaged by yielding.
The problem of insufficient lateral force resistance of the frame structure can be overcome by utilizing the coordinated deformation capacity and the larger lateral rigidity of the swinging wall. Meanwhile, the special design of the frame column base enables the frame column to be in coordinated deformation along with the deformation of the swinging wall, so that the structure has better energy consumption capacity on one hand, and plastic damage of beam column nodes is avoided on the other hand. The stress and energy consumption components of the embodiment are definite in labor division, uniform in structural deformation, good in shock resistance, controllable in damage, good in repairability and certain in self-resetting capability. Under the action of horizontal earthquake, the structural system transmits lateral rigidity and interlayer shearing force through the swinging wall, so that the structural deformation is uniform. Seismic energy is dissipated through dissipative dampers and buckling restrained braces at the bottom disposed on the sides of the sway wall. The elastic deformation of the swing column ensures that the frame main body is not damaged by yielding. After an earthquake, repairability of the structural system can be realized by replacing buckling restrained braces at the bottom of the swinging wall and energy-consuming dampers at the side edges.
Example 2:
this embodiment discloses a construction method for the structural system described in embodiment 1, comprising the steps of:
1) And pouring a foundation beam 6.
2) And a wall bottom X-shaped support 3 and a buckling restrained brace 5 are arranged.
3) A bottom layer swing post 202 is mounted.
4) And erecting a support and a template, and pouring the swinging wall 1.
5) Frame beams 201 and recoverable studs 203 are installed.
6) And installing energy consumption dampers 4 to connect the swinging wall 1 with the frame beam 201.
7) An intermediate layer swing post 202 is mounted.
8) Repeating the steps 5-7 until all the components are installed.
Claims (7)
1. The utility model provides a contain full structure system that sways of swaing post and swaing wall which characterized in that: comprises a plurality of swinging walls (1) and a plurality of frame structures (2) with swinging columns, wherein the swinging walls are arranged above a foundation beam (6);
each swinging wall (1) is arranged between two adjacent frame structures (2); the bottom of the swinging wall (1) is hinged to the upper surface of a foundation beam (6) through a wall bottom X-shaped support (3);
the X-shaped support (3) at the bottom of the wall comprises a top wrapping steel plate (301), an X-shaped part and a bottom wrapping steel plate (304); the top outer wrapping steel plate (301) is fixed on the bottom surface of the swinging wall (1); the bottom outer-wrapping steel plate (304) is embedded and fixed on the upper surface of the foundation beam (6); the X-shaped part comprises an upper V-shaped plate (302) and a lower V-shaped plate (303); the open end of the upper V-shaped plate (302) faces upwards; the opening of the lower V-shaped plate (303) faces downwards; the connecting end of the upper V-shaped plate (302) is hinged with the connecting end of the lower V-shaped plate (303) through a central hinge point (305); two sides of the X-shaped part are respectively provided with an anti-buckling energy dissipation support (5); the upper end and the lower end of the buckling-restrained brace (5) are respectively connected with the top outer-wrapping steel plate (301) and the bottom outer-wrapping steel plate (304);
the frame structure (2) comprises a plurality of frame beams (201) and a plurality of swing columns (202); the swinging column (202) is a steel structure column; the swing column (202) is connected with the recoverable column base (203) in a welding mode; the frame beam (201) is hinged with the swing column (202) through a recoverable column base (203); the bottom layer swing column (202) in the frame structure (2) is connected with the foundation beam (6) through a recoverable column foot (203); an energy consumption damper (4) is arranged between the frame beam (201) and the swinging wall (1);
the recoverable column base (203) is integrally a spherical support and comprises an upper base plate (2031), a spherical-segment inlay (2032) and a lower base plate; the upper seat board (2031) is positioned above the lower seat board; the lower seat board comprises a lower seat board main body (2033) and a lower seat board connecting board (2034); a spherical groove corresponding to the spherical inlay (2032) is concavely arranged on the upper surface of the lower seat plate main body (2033); the segment inlay (2032) is disposed between an upper seat plate (2031) and a lower seat plate main body (2033); a plurality of peripheral supporting springs (2035) are also arranged between the upper seat plate (2031) and the lower seat plate connecting plate (2034); the peripheral support springs (2035) are evenly distributed along the circumferential direction; the upper surface of the upper seat plate (2031) is connected with the surface of the swing column (202); the lower surface of the lower seat board connecting plate (2034) is connected with the surface of the frame beam (201) or the foundation beam (6); a plurality of embedded welding plates are embedded in the upper surface of the foundation beam (6); the lower surface of a lower seat board connecting plate (2034) of the bottom layer recoverable column base (203) is connected with an embedded welding plate.
2. The full swing structural system comprising a swing post and a swing wall according to claim 1, wherein: the energy consumption damper (4) is a metal damper.
3. The full swing structural system comprising a swing post and a swing wall according to claim 1, wherein: the frame beam (201) is a reinforced concrete beam or a reinforced concrete composite beam; a steel plate is embedded in the frame beam (201).
4. The full swing structural system comprising a swing post and a swing wall according to claim 1, wherein: the section of the swing column (202) is round, square or cross-shaped.
5. The full swing structural system comprising a swing post and a swing wall according to claim 1, wherein: the buckling-restrained energy-dissipation brace (5) comprises an inner mandrel force unit, a constraint unit, an isolation unit and a connection unit.
6. The full swing architecture system comprising a swing post and a swing wall according to claim 5, wherein: the inner spindle force unit is a cross-shaped core material (501); the restraining unit is a steel sleeve (502) wrapped on the outer side of the cross-shaped core material (501); the connecting units are positioned at two ends of the support and are used for connecting the support with the X-shaped support (3) at the bottom of the wall.
7. A method of construction in relation to the structural system of claim 1, comprising the steps of:
1) Pouring a foundation beam (6);
2) Installing an X-shaped support (3) at the bottom of a wall and an anti-buckling support (5);
3) Installing a bottom layer swing column (202);
4) Erecting a support and a template, and pouring a swinging wall (1);
5) Installing frame beams (201) and recoverable footers (203);
6) Installing energy consumption dampers (4) and connecting the swinging wall (1) with the frame beam (201);
7) Installing an intermediate layer swing column (202);
8) Repeating the steps 5-7 until all the components are installed.
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| CN201910069101.7A CN109853779B (en) | 2019-01-24 | 2019-01-24 | Full-swing structure system containing swing column and swing wall and construction method thereof |
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| CN109853779B true CN109853779B (en) | 2023-08-22 |
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