CN108951908B - Frame shear wall structure with swing energy dissipation column - Google Patents

Frame shear wall structure with swing energy dissipation column Download PDF

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Publication number
CN108951908B
CN108951908B CN201810828462.0A CN201810828462A CN108951908B CN 108951908 B CN108951908 B CN 108951908B CN 201810828462 A CN201810828462 A CN 201810828462A CN 108951908 B CN108951908 B CN 108951908B
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frame
plate
column
reinforced concrete
spring
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CN201810828462.0A
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CN108951908A (en
Inventor
王威
梁宇建
徐金兰
向照兴
刘格炜
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Xian University of Architecture and Technology
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Xian University of Architecture and Technology
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H9/00Buildings, or groups of buildings, or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake, extreme climate
    • E04H9/02Buildings, or groups of buildings, or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake, extreme climate withstanding earthquake or sinking of ground
    • E04H9/024Structures with steel columns and beams

Abstract

The invention discloses a frame shear wall structure with a swinging energy dissipation column, wherein one end of a frame beam is fixed on a shear wall, the upper end of the frame column is fixedly connected with the other end of the frame beam, a reinforced concrete pier is of a groove-shaped structure, the lower end of the frame column is inserted into the reinforced concrete pier, two energy dissipation components are respectively positioned in the reinforced concrete pier, and the two energy dissipation components are respectively positioned at two sides of the frame column; each second screw rod passes the lateral wall second end plate of reinforced concrete mound in proper order, the edge of a wing of first end plate and frame post, the tip of steel sheet is fixed in on the edge of a wing of frame post, the one end of each first screw rod is provided with first locating part, the other end of each first screw rod is provided with the second locating part after passing the bottom of reinforced concrete mound and steel sheet, be provided with first spring and second spring on each first screw rod, be provided with the third spring on each second screw rod, this structure has from the reset effect, and it is comparatively convenient to change after the earthquake destroys.

Description

Frame shear wall structure with swing energy dissipation column
Technical Field
The invention belongs to the field of civil engineering earthquake resistance and shock absorption, and relates to a frame shear wall structure with a swinging energy consumption column.
Background
The traditional earthquake-proof idea is that the earthquake-proof capability of the structure is enhanced by increasing the rigidity, strength and ductility of the structure, but the method usually causes the structure to be seriously damaged after the earthquake and is difficult to repair. In recent years, a swinging structure system has become one of important research directions in the field of seismic engineering because the swinging structure system can remarkably reduce post-earthquake damage of the structure. At present, various realization modes such as a swinging column system, a swinging wall system, a swinging structure and an energy dissipation and shock absorption device are provided.
The swing system is a self-resetting passive anti-seismic system which can rotate around the bottom of the swing system, the swing structure system does not dissipate seismic energy by utilizing the deformation of the structure, but loosens the constraint of the structure system to form a swing component, the structural deformation tends to be consistent by the swing of the structure component, the deformation is concentrated on a swing interface, and dampers are arranged at the parts for consuming energy. The existing research results show that the swing wall system can enable the deformation among all layers of the structure to tend to be uniform, can effectively control the concentration of the deformation of the structure, and can exert the integral shock resistance and energy consumption capacity of the structure. The rocking wall system has been practically applied to a frame structure and exhibits a good anti-seismic effect.
The swing column system also has self-resetting capability, the self-resetting capability function of the existing swing column system is mainly provided by prestressed unbonded steel strands, and the self-resetting effect is not obvious and is difficult to construct. In addition, the existing swinging cylinder system is not easy to replace after earthquake damage.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a frame shear wall structure with a swinging energy consumption column, which has a self-resetting effect and is convenient to replace after earthquake damage.
In order to achieve the purpose, the frame shear wall structure with the swinging energy-consuming column comprises the swinging energy-consuming column, a frame beam, a shear wall and two energy-consuming components, wherein the swinging energy-consuming column comprises a frame column and a reinforced concrete pier;
one end of the frame beam is fixed on the shear wall, the upper end of the frame column is fixedly connected with the other end of the frame beam, the reinforced concrete pier is of a groove-shaped structure, the lower end of the frame column is inserted into the reinforced concrete pier, the two energy dissipation components are respectively positioned in the reinforced concrete pier, and the two energy dissipation components are respectively positioned on two sides of the frame column;
the two energy dissipation components comprise steel plates, first end plates, second end plates, a plurality of first screw rods and a plurality of second screw rods, each second screw rod sequentially penetrates through the second end plate on the side wall of the reinforced concrete pier, the first end plates and the flange of the frame column, the end portions of the steel plates are fixed on the flange of the frame column, one end of each first screw rod is provided with a first limiting part, the other end of each first screw rod penetrates through the bottom of the reinforced concrete pier and the steel plates and then is provided with a second limiting part, each first screw rod is provided with a first spring and a second spring, each second screw rod is provided with a third spring, the first springs are located between the first limiting parts and the reinforced concrete pier, the second springs are located between the second limiting parts and the steel plates, and the third springs are located between the first end plates and the second end plates.
The second screws are divided into two groups, wherein the first group of second screws are positioned right above the second group of second screws.
The energy dissipation component further comprises two folded plates, wherein two ends of the two folded plates are respectively fixed on the first end plate and the second end plate, the two folded plates are located between the first group of second screw rods and the second group of second screw rods, and the two folded plates are located on two sides of the frame column web plate.
All be provided with the wave form steel sheet between two adjacent second screw rods in same group's second screw rod, wherein, on the one end of wave form steel sheet was fixed in first end plate, the other end of wave form steel sheet was fixed in on the second end plate.
The steel plate is fixed on the flange of the frame column through angle steel.
The first limiting part and the second limiting part are both nuts.
The bottom of reinforced concrete mound is provided with first recess, and the side of reinforced concrete mound is provided with the second recess, and first locating part and first spring are located first recess, and the tip of second screw rod is located the second recess.
Limiting plates are arranged at two ends of the first end plate, the limiting plates and the first end plate form a concave component, and the concave component is buckled on the side wall of the reinforced concrete pier.
The first spring, the second spring and the third spring are all SMA shape memory alloy springs.
The bending angle of the corrugated steel plate is 135 degrees, and the corrugated steel plate is in a corrugated structure.
The invention has the following beneficial effects:
the frame shear wall structure with the swinging energy-consuming columns adopts the swinging energy-consuming columns to bear main energy consumption during specific operation, has the advantage of being capable of realizing hysteresis energy consumption, has larger energy absorption and better anti-seismic and shock-absorbing effects under the condition of the same size and adopts an assembly type structure, all parts are connected through the screw rods, and the damaged parts can be replaced for multiple times after an earthquake, so that the aims of simple connection and replacement and quick recovery of the anti-seismic function are fulfilled. In addition, the invention consumes seismic energy and resets the seismic energy through the spring, and has excellent automatic resetting effect.
Further, under the action of wind load or small earthquake, the folding plate and the corrugated steel plate play a role to ensure the lateral rigidity of the structural column, when the middle earthquake or large earthquake occurs, one end of the frame column can be lifted, so that the whole structure swings, and the local deformation of the structure is prevented from being overlarge.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the energy-consuming swing column according to the present invention;
FIG. 3 is a front view of the energy dissipating swing post of the present invention;
FIG. 4 is a right side view of the energy dissipating swing post of the present invention;
FIG. 5 is a top view of the energy dissipating swing post of the present invention;
FIG. 6 is a view showing the positional relationship among the corrugated steel plate 8, the folded plate 7, the first end plate 5 and the second end plate 6 according to the present invention;
FIG. 7 is a diagram showing the positional relationship between the angle iron 15 and the steel plate 13 according to the present invention;
fig. 8 is a diagram showing a positional relationship between the steel plate 13 and the second spring 12 in the present invention.
The steel plate shear wall comprises a shear wall 1, a frame beam 2, a frame column 3, a reinforced concrete pier 4, a first end plate 5, a second end plate 6, a folded plate 7, a corrugated steel plate 8, a first screw rod 9, a second screw rod 10, a first spring 11, a second spring 12, a steel plate 13, a third spring 14 and angle steel 15.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings:
referring to fig. 1 to 8, the frame shear wall structure with the swinging energy dissipation column according to the present invention includes the swinging energy dissipation column, a frame beam 2, a shear wall 1 and two energy dissipation members, wherein the swinging energy dissipation column includes a frame column 3 and a reinforced concrete pier 4; one end of a frame beam 2 is fixed on the shear wall 1, the upper end of a frame column 3 is fixedly connected with the other end of the frame beam 2, a reinforced concrete pier 4 is of a groove-shaped structure, the lower end of the frame column 3 is inserted into the reinforced concrete pier 4, two energy dissipation components are respectively positioned in the reinforced concrete pier 4, and the two energy dissipation components are respectively positioned on two sides of the frame column 3; the two energy dissipation components comprise a steel plate 13, a first end plate 5, a second end plate 6, a plurality of first screw rods 9 and a plurality of second screw rods 10, each second screw rod 10 sequentially penetrates through the second end plate 6 of the side wall of the reinforced concrete pier 4, the first end plate 5 and the flange of the frame column 3, the end part of the steel plate 13 is fixed on the flange of the frame column 3, one end of each first screw rod 9 is provided with a first limiting part, the other end of each first screw rod 9 penetrates through the bottom of the reinforced concrete pier 4 and the steel plate 13 to be provided with a second limiting part, each first screw rod 9 is provided with a first spring 11 and a second spring 12, each second screw rod 10 is provided with a third spring 14, wherein the first spring 11 is positioned between the first limiting part and the reinforced concrete pier 4, the second spring 12 is positioned between the second limiting part and the steel plate 13, the third spring 14 is positioned between the first end plate 5 and the second end plate 6, the first limiting piece and the second limiting piece are both nuts; the steel plate 13 is fixed to the flange of the frame column 3 by an angle iron 15.
The second screws 10 are divided into two groups, wherein the first group of second screws 10 is located right above the second group of second screws 10. The energy dissipation component further comprises two folded plates 7, wherein two ends of each folded plate 7 are respectively fixed on the first end plate 5 and the second end plate 6, the two folded plates 7 are respectively positioned between the first group of second screw rods 10 and the second group of second screw rods 10, and the two folded plates 7 are positioned on two sides of the web plate of the frame column 3; all be provided with corrugated steel plate 8 between two adjacent second screw rods 10 in the same set of second screw rod 10, wherein, corrugated steel plate 8's one end is fixed in on first end plate 5, and corrugated steel plate 8's the other end is fixed in on second end plate 6.
A first groove is formed in the bottom of the reinforced concrete pier 4, a second groove is formed in the side face of the reinforced concrete pier 4, a first limiting piece and a first spring 11 are located in the first groove, and the end portion of a second screw 10 is located in the second groove; limiting plates are arranged at two ends of the first end plate 5, the limiting plates and the first end plate 5 form a concave component, and the concave component is buckled on the side wall of the reinforced concrete pier 4.
The first spring 11, the second spring 12 and the third spring 14 are all SMA shape memory alloy springs; the bending angle of the corrugated steel plate 8 is 135 degrees, and the corrugated steel plate is in a corrugated structure.
The end of each second screw 10 is sleeved with a nut and a circular pad, and circular pads are arranged between the first spring 11 and the nut and between the second spring 12 and the nut.
All the components of the swing energy consumption column are connected by bolts or screws, the folded plate 7 and the corrugated steel plate 8 play a role under the action of wind load or small earthquake to ensure the lateral rigidity of the structural column, and the first spring 11, the second spring 12 and the third spring 14 firstly generate elastic deformation energy consumption after the earthquake happens to ensure that the structure is not damaged and can be detached and replaced after the earthquake happens.
In actual operation, the reinforced concrete pier 4 is excavated to have a certain space, so that the bearing capacity is reduced, and the lost bearing capacity can be compensated by reducing the distance between the horizontally distributed steel bars in the reinforced concrete pier 4 within the range of the parallel height.

Claims (7)

1. A frame shear wall structure with a swinging energy-consuming column is characterized by comprising the swinging energy-consuming column, a frame beam (2), a shear wall (1) and two energy-consuming components, wherein the swinging energy-consuming column comprises a frame column (3) and a reinforced concrete pier (4);
one end of a frame beam (2) is fixed on the shear wall (1), the upper end of a frame column (3) is fixedly connected with the other end of the frame beam (2), a reinforced concrete pier (4) is of a groove-shaped structure, the lower end of the frame column (3) is inserted into the reinforced concrete pier (4), two energy dissipation components are respectively positioned in the reinforced concrete pier (4), and the two energy dissipation components are respectively positioned on two sides of the frame column (3);
the two energy dissipation components comprise a steel plate (13), a first end plate (5), a second end plate (6), a plurality of first screw rods (9) and a plurality of second screw rods (10), each second screw rod (10) sequentially penetrates through the second end plate (6) on the side wall of the reinforced concrete pier (4), the first end plate (5) and the flange of the frame column (3), the end part of the steel plate (13) is fixed on the flange of the frame column (3), one end of each first screw rod (9) is provided with a first limiting part, the other end of each first screw rod (9) penetrates through the bottom of the reinforced concrete pier (4) and the steel plate (13) and is provided with a second limiting part, each first screw rod (9) is provided with a first spring (11) and a second spring (12), each second screw rod (10) is provided with a third spring (14), wherein the first spring (11) is positioned between the first limiting part and the reinforced concrete pier (4), the second spring (12) is positioned between the second limiting piece and the steel plate (13), and the third spring (14) is positioned between the first end plate (5) and the second end plate (6);
the second screws (10) are divided into two groups, wherein the first group of second screws (10) is positioned right above the second group of second screws (10);
the energy dissipation component further comprises two folded plates (7), wherein two ends of each folded plate (7) are respectively fixed on the first end plate (5) and the second end plate (6), the two folded plates (7) are respectively positioned between the first group of second screw rods (10) and the second group of second screw rods (10), and the two folded plates (7) are positioned on two sides of the web plate of the frame column (3);
all be provided with wave form steel sheet (8) between two adjacent second screw rods (10) in same group second screw rod (10), wherein, the one end of wave form steel sheet (8) is fixed in on first end plate (5), and the other end of wave form steel sheet (8) is fixed in on second end plate (6).
2. The frame shear wall structure with sway energy dissipation columns of claim 1, wherein the steel plates (13) are fixed to the flanges of the frame columns (3) by angle steels (15).
3. The frame shear wall structure with a sway energy dissipating column of claim 1, wherein the first and second retaining members are nuts.
4. A frame shear wall structure with a rocking energy dissipating column according to claim 1, wherein the bottom of the reinforced concrete pier (4) is provided with a first groove, the side of the reinforced concrete pier (4) is provided with a second groove, the first retaining member and the first spring (11) are located in the first groove, and the end of the second screw (10) is located in the second groove.
5. The frame shear wall structure with the swinging energy dissipation columns as claimed in claim 1, wherein the first end plate (5) is provided with limiting plates at both ends, the limiting plates and the first end plate (5) form a concave member, and the concave member is buckled on the side wall of the reinforced concrete pier (4).
6. A frame shear wall structure with a sway dissipation energy column as claimed in claim 1, wherein the first spring (11), the second spring (12) and the third spring (14) are all SMA shape memory alloy springs.
7. A frame shear wall structure with sway energy dissipation columns as claimed in claim 1, wherein the corrugated steel plate (8) has a bending angle of 135 ° and is in a corrugated structure.
CN201810828462.0A 2018-07-25 2018-07-25 Frame shear wall structure with swing energy dissipation column Active CN108951908B (en)

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Publication number Priority date Publication date Assignee Title
CN110206183A (en) * 2019-06-20 2019-09-06 海南大学 A kind of assembled Self-resetting X-type metal damper
CN110318479A (en) * 2019-06-20 2019-10-11 海南大学 A kind of Self-resetting suspension column structure and its construction method
CN110206182A (en) * 2019-06-20 2019-09-06 海南大学 A kind of Self-resetting shearing steel plate damper
CN110206181A (en) * 2019-06-20 2019-09-06 海南大学 A kind of assembled Self-resetting out-of-plane bending metal damper
CN110206180A (en) * 2019-06-20 2019-09-06 海南大学 A kind of Self-resetting frcition damper
CN110331792A (en) * 2019-06-20 2019-10-15 海南大学 A kind of U-shaped metal damper of assembled Self-resetting

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JPH10169249A (en) * 1996-12-12 1998-06-23 Ohbayashi Corp Base isolating structure
CN200940295Y (en) * 2006-08-21 2007-08-29 徐海堂 Earquake resistance device for building
CN204898945U (en) * 2015-07-06 2015-12-23 西安建筑科技大学 Shaped steel concrete shear force wall and toe of wall component with removable toe of wall component
CN205399717U (en) * 2016-03-25 2016-07-27 大连理工大学 From plumbous compound energy dissipation damper of shape memory alloy - extrusion type that restores to throne
CN107740626B (en) * 2017-09-01 2019-08-02 西安建筑科技大学 A kind of expansion cross-shaped steel SRC column with multistage composite damper
CN207620142U (en) * 2017-12-19 2018-07-17 西安建筑科技大学 A kind of surrender type corrugated sheet steel mild steel damper stage by stage

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