CN110835975A - Tough energy-consuming steel column and construction and installation method thereof - Google Patents
Tough energy-consuming steel column and construction and installation method thereof Download PDFInfo
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 54
- 239000010959 steel Substances 0.000 title claims abstract description 54
- 238000010276 construction Methods 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000009434 installation Methods 0.000 title abstract description 6
- 239000004567 concrete Substances 0.000 claims abstract description 52
- 239000002131 composite material Substances 0.000 claims abstract description 25
- 238000003466 welding Methods 0.000 claims description 10
- 239000000725 suspension Substances 0.000 claims description 4
- 230000005484 gravity Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000003351 stiffener Substances 0.000 claims 2
- 238000005265 energy consumption Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 210000002435 tendon Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 239000011372 high-strength concrete Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 239000011150 reinforced concrete Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
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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
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/32—Columns; Pillars; Struts of metal
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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 tough energy-consumption steel column and a construction and installation method thereof.A steel column structure is constructed on a concrete foundation and comprises a high-strength support, a main column, an overhanging type cantilever plate, a high-strength anchor rod and a damper; one end of the damper is fixed on a flange plate at the bottom end of a main column, the other end of the damper is fixed on the upper surface of a concrete foundation, and an overhanging type cantilever plate is welded on the flange plate of the main column above the damper; the lower part of the high-strength anchor rod is embedded in the concrete foundation, and the upper part of the high-strength anchor rod penetrates through the overhanging type cantilever plate and is provided with a composite combined disc spring; the high-strength support is placed in the limiting groove of the concrete foundation, and buffer rubber pads are arranged at the bottom and around the limiting groove of the concrete foundation; compared with the traditional swing structure, the flexible energy-consuming steel column provided by the invention has the advantages that the swing radius is obviously reduced, the influence on the upper structure is reduced, and the combined use of the damper and the composite combined disc spring increases the energy consumption and the self-resetting capability of the structure.
Description
Technical Field
The invention relates to the technical field of earthquake-resistant structural systems, in particular to a tough energy-consuming steel column and a construction and installation method thereof.
Background
The earthquake-resistant structure with the recoverable function is a structure which can recover the use function without repairing or slightly repairing after an earthquake, is a new research direction in the field of earthquake engineering, and has been widely concerned by global earthquake engineers and engineering technicians in recent years. The structure of swaying has the ductility demand that reduces the earthquake effect and to structure self, reduces the residual displacement, alleviates earthquake to the advantage of structure destruction, but present structure of swaying is column bottom full-section formation most and sways the interface to the way through stretch-draw prestressing tendons makes the structure resume the normal position in the reinforced concrete post, and this kind of structure of swaying sways the radius big, and is also big to superstructure's influence, and inside prestressing tendons's loss is more, is difficult to change.
Therefore, how to provide a tough energy-consuming steel column which has strong stability and a certain self-resetting function and is easy to replace energy-consuming and self-resetting components and a construction method thereof is a problem to be solved by technical personnel in the field.
Disclosure of Invention
In view of the above, the invention provides a tough energy-consuming steel column and a construction and installation method thereof, and aims to solve the above problems.
In order to achieve the purpose, the invention adopts the following technical scheme:
a toughness energy-consuming steel column is constructed on a concrete foundation and comprises: the high-strength anchor rod comprises a high-strength support, a main column, an overhanging type cantilever plate, a high-strength anchor rod and a damper;
the bottom end of the high-strength support is inserted into a limiting groove formed in the top surface of the concrete foundation, and a buffer rubber pad is filled between the high-strength support and the limiting groove;
the main columns are vertically arranged, and the bottom surfaces of the main columns are fixed to the top end of the high-strength support;
the number of the overhanging type cantilever plates is two, and the overhanging type cantilever plates are horizontally and symmetrically fixed on the corresponding side walls of the main column;
the top end of the high-strength anchor rod penetrates through the overhanging type cantilever plate and then is sleeved with a composite combined disc spring for fixing, and the bottom end of the high-strength anchor rod is inserted into the concrete foundation for fixing;
the dampers are respectively installed on two sides of the main column, and two ends of each damper are respectively connected with the side wall of the main column and the top surface of the concrete foundation.
Through the technical scheme, one end of the damper is fixed on the flange plate at the bottom end of the main column, the other end of the damper is fixed on the upper surface of the concrete foundation, and the overhanging type cantilever plate is welded on the flange plate of the main column above the damper; the lower part of the high-strength anchor rod is embedded in the concrete foundation, and the upper part of the high-strength anchor rod penetrates through the overhanging type cantilever plate and is provided with a composite combined disc spring; the high-strength support is placed in the limiting groove of the concrete foundation, and buffer rubber pads are arranged at the bottom and around the limiting groove of the concrete foundation; compared with the traditional swing structure, the flexible energy-consuming steel column provided by the invention has the advantages that the swing radius is obviously reduced, the influence on the upper structure is reduced, and the combined use of the damper and the composite combined disc spring increases the energy consumption and the self-resetting capability of the structure.
Preferably, in the tough energy-consuming steel column, an embedded steel plate is horizontally fixed in the concrete foundation; the high-strength anchor rod is inserted into the concrete foundation, penetrates through the embedded steel plate and is fixed with the bottom surface of the embedded steel plate. The prefabricated connection of being convenient for, and the structural stability who improves the connection.
Preferably, in the above tough energy-consuming steel column, the main column is an i-steel, and a plurality of transverse stiffening ribs are uniformly fixed between the flange plates. The structural strength of the main column is improved.
Preferably, in the above tough energy-consuming steel column, a plurality of vertical support plates are vertically fixed to the bottom end of the main column. The structural strength of the main column is improved.
Preferably, in the above tough energy-consuming steel column, the overhanging plate is welded to the flange plate of the main column, and a triangular plate stiffening rib is fixed between the upper side of the overhanging plate and the outer wall of the main column. The structural strength of the overhanging type cantilever plate is improved, and the structural stability of the overhanging type cantilever plate connected with the main column is improved.
Preferably, in the above tough energy-consuming steel column, a bottom end plate is fixed to the bottom end of the main column, and a triangular support is fixed between the bottom end plate and the high-strength support. The structural strength of the main column is improved, and the structural stability of the main column connected with the high-strength support is improved.
Preferably, in the above tough energy-consuming steel column, one end of the damper is fixed to the flange plate at the bottom end of the main column through a high-strength bolt, and the other end of the damper is fixed to the top end of the concrete foundation through a high-strength screw rod. The shock resistance of the main column can be improved.
Preferably, in the above tough energy-consuming steel column, the high-strength support is a cylindrical, truncated cone-shaped or prismatic structure made of steel and/or concrete, and a cross-sectional dimension of a lower end portion of the high-strength support in the rotational deformation direction is smaller than a cross-sectional dimension of the main column in the corresponding direction. The anti-seismic effect is stronger.
Preferably, in the above tough energy-consuming steel column, the damper is a C-shaped damper, a rotational friction damper or a buckling restrained brace structure. The selection requirement of the damper can adapt to the vibration change of the main column, and the anti-seismic effect can be further improved.
A construction method of a tough energy-consuming steel column comprises the following steps:
s1, pouring a concrete foundation, and embedding a high-strength screw and a high-strength anchor rod in the concrete foundation;
s2, prefabricating the main column, the transverse stiffening ribs, the vertical supporting plate, the damper and the high-strength support, and welding the overhanging type cantilever plate and the triangular plate stiffening ribs on the flange plate of the main column in advance;
s3, completing bolt splicing connection or welding connection between an upper end connecting plate of the high-strength support and a bottom end plate of the main column in a factory or in a construction site, and completing welding connection by using a triangular support below the bottom end plate of the main column;
s4, paving cushion rubber pads at the bottom and around the limiting groove of the concrete foundation, completing the connection of the main column and the high-strength support, placing the lower part of the high-strength support into the limiting groove, calibrating the position, and fixing the main column by using temporary supports;
s5, sequentially penetrating the overhanging type cantilever plate, the rigid backing plate and the composite combined disc spring at the upper part of the high-strength anchor rod, sequentially applying certain pre-pressure to the composite combined disc spring, and sequentially applying according to symmetrical positions and calibrating;
s6, after the construction of the upper main body structure is completed, the vertical gravity load can cause a certain axial deformation of the high-strength support, and the bolts are further screwed down according to the pre-pressure of the designed composite combined disc spring, so that the composite combined disc spring reaches the final designed pre-pressure;
and S7, mounting and fixing one end of the damper on the flange plate at the bottom end of the main column through a high-strength bolt, and fixedly connecting the other end of the damper at the top end of the embedded high-strength anchor rod.
According to the technical scheme, compared with the prior art, the invention discloses the toughness energy-consuming steel column and the construction and installation method thereof, and the steel column has the following beneficial effects:
1. one end of the damper is fixed on a flange plate at the bottom end of a main column, the other end of the damper is fixed on the upper surface of a concrete foundation, and an overhanging type cantilever plate is welded on the flange plate of the main column above the damper; the lower part of the high-strength anchor rod is embedded in the concrete foundation, and the upper part of the high-strength anchor rod penetrates through the overhanging type cantilever plate and is provided with a composite combined disc spring; the high-strength support is placed in the limiting groove of the concrete foundation, and buffer rubber pads are arranged at the bottom and around the limiting groove of the concrete foundation; compared with the traditional swing structure, the flexible energy-consuming steel column provided by the invention has the advantages that the swing radius is obviously reduced, the influence on the upper structure is reduced, and the combined use of the damper and the composite combined disc spring increases the energy consumption and the self-resetting capability of the structure.
2. The high-strength support can obviously improve the stability of the whole structure, reduce the rotation radius of the structure, buffer the swing interface by the rubber pad arranged at the bottom of the column, control the lateral displacement of the bottom of the column by the limiting groove, and obviously enhance the self-resetting capability and the energy consumption capability of the structure by the composite combination of the disc spring and the damper.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic vertical section of the structure provided by the present invention;
figure 2 the accompanying drawing is a top view provided by the present invention.
Wherein:
the concrete foundation structure comprises 1-main columns, 2-transverse stiffening ribs, 3-vertical supporting plates, 4-overhanging type cantilever plates, 5-triangular plate stiffening ribs, 6-composite combined disc springs, 7-high-strength supports, 8-limiting grooves, 9-dampers, 10-high-strength anchor rods, 11-high-strength screws, 12-embedded steel plates, 13-rigid backing plates, 14-bottom end plates, 15-concrete foundations and 16-triangular supports.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
referring to the accompanying drawings 1 to 2, the embodiment of the invention discloses a tough energy-consuming steel column which is constructed on a concrete foundation 15 and comprises the following components: the high-strength anchor rod suspension system comprises a high-strength support 7, a main column 1, an overhanging type suspension plate 4, a high-strength anchor rod 10 and a damper 9;
the bottom end of the high-strength support 7 is inserted into a limiting groove 8 formed in the top surface of the concrete foundation 15, and a buffer rubber pad is filled between the high-strength support 7 and the limiting groove 8;
the main column 1 is vertically arranged, and the bottom surface of the main column is fixed with the top end of the high-strength support 7;
the number of the overhanging type cantilever plates 4 is two, and the overhanging type cantilever plates are horizontally and symmetrically fixed on the corresponding side walls of the main column 1;
the top end of the high-strength anchor rod 10 penetrates through the overhanging type cantilever plate 4 and then is sleeved with the composite combined disc spring 6 for fixation, and the bottom end of the high-strength anchor rod is inserted into the concrete foundation 15 for fixation;
the dampers 9 are respectively installed on both sides of the main column 1, and both ends of the dampers 9 are respectively connected with the side wall of the main column 1 and the top surface of the concrete foundation 15.
In order to further optimize the technical scheme, an embedded steel plate 12 is horizontally fixed in the concrete foundation 15; the high-strength anchor rod 10 is inserted into the concrete foundation 15 and penetrates through the embedded steel plate 12 and is fixed with the bottom surface of the embedded steel plate 12.
In order to further optimize the technical scheme, the main column 1 is made of I-shaped steel, and a plurality of transverse stiffening ribs 2 are uniformly fixed between the flange plates.
In order to further optimize the technical scheme, a plurality of vertical supporting plates 3 are vertically fixed at the bottom end of the main column 1.
In order to further optimize the technical scheme, the overhanging plate 4 is welded on the flange plate of the main column 1, and a triangular plate stiffening rib 5 is fixed between the upper side of the overhanging plate 4 and the outer wall of the main column 1.
In order to further optimize the technical scheme, a bottom end plate 14 is fixed at the bottom end of the main column 1, and a triangular support 16 is fixed between the bottom end plate 14 and the high-strength support 7.
In order to further optimize the technical scheme, one end of the damper 9 is fixed on a flange plate at the bottom end of the main column 1 through a high-strength bolt, and the other end of the damper is fixed at the top end of a concrete foundation 15 through a high-strength screw rod 11.
In order to further optimize the technical scheme, the high-strength support 7 is of a cylindrical, truncated cone-shaped or prismatic structure made of steel and/or concrete, and the cross section size of the lower end part of the high-strength support 7 in the rotational deformation direction is smaller than that of the main column 1 in the corresponding direction.
In order to further optimize the above technical solution, the damper 9 is a C-type damper, a rotational friction damper or a buckling restrained brace structure.
One end of a damper 9 is fixed on a flange plate at the bottom end of a main column, the other end of the damper is fixed on the upper surface of a concrete foundation 15, an overhanging type cantilever plate 4 is welded on the flange plate above the damper 9, and a triangular plate stiffening rib 5 is welded on the upper side of the overhanging type cantilever plate 4 and is connected with the flange of the main column or the outer surface of the steel tube concrete column of the main column; the lower part of the high-strength anchor rod 10 is embedded in the concrete foundation 15, and the upper part of the high-strength anchor rod penetrates through the overhanging type cantilever plate 4 and is provided with the composite combined disc spring 6; high-strength support 7 is placed in limiting groove 8 of concrete foundation 15, and cushion rubber pads are arranged at the bottom and around limiting groove 8. Compared with the traditional swing structure, the flexible energy-consuming steel column provided by the invention has the advantages that the swing radius is obviously reduced, the influence on the upper structure is reduced, and the combined use of the damper and the composite combined disc spring increases the energy consumption and the self-resetting capability of the structure.
The high-strength support 7 can be a pure steel member or a steel pipe filled with high-strength concrete member, and the bearing capacity and rigidity design meets the requirements of an upper structure.
Example 2:
the embodiment discloses a method for constructing a tough energy-consuming steel column, which comprises the following steps:
s1, pouring a concrete foundation 15, and embedding the high-strength screw rod 11 and the high-strength anchor rod 10 in the concrete foundation 15 in advance;
s2, prefabricating the main column 1, the transverse stiffening ribs 2, the vertical supporting plate 3, the damper 9 and the high-strength support 7, and welding the overhanging type cantilever plate 4 and the triangular plate stiffening ribs 5 on a flange plate of the main column 1 in advance;
s3, completing bolt splicing connection or welding connection between an upper end connecting plate of the high-strength support 7 and a bottom end plate 14 of the main column 1 in a factory or completing bolt splicing connection or welding connection on a construction site, and meanwhile completing welding connection of a triangular support 16 below the bottom end plate 14 of the main column 1;
s4, paving buffer rubber pads at the bottom and around the limiting groove 8 of the concrete foundation 15, completing the connection of the main column 1 and the high-strength support 7, placing the lower part of the high-strength support 7 into the limiting groove 8, calibrating the position, and fixing the main column by using temporary support;
s5, sequentially penetrating the overhanging type cantilever plate 4, the rigid backing plate 13 and the composite combined disc spring 6 at the upper part of the high-strength anchor rod 10, sequentially applying certain pre-pressure to the composite combined disc spring 6, sequentially applying according to symmetrical positions, and calibrating;
s6, after the construction of the upper main body structure is completed, the vertical gravity load can cause a certain axial deformation of the high-strength support 7, and the bolt is further screwed down according to the pre-pressure of the designed composite combined disc spring 6, so that the composite combined disc spring 6 reaches the final designed pre-pressure;
s7, one end of the damper 9 is fixedly installed on the flange plate at the bottom end of the main column 1 through a high-strength bolt, and the other end of the damper is fixedly connected to the top end of the embedded high-strength anchor rod 11.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A tough energy-consuming steel column, characterized by being built on a concrete foundation (15), comprising: the high-strength anchor rod suspension device comprises a high-strength support (7), a main column (1), an overhanging type suspension plate (4), a high-strength anchor rod (10) and a damper (9);
the bottom end of the high-strength support (7) is inserted into a limiting groove (8) formed in the top surface of the concrete foundation (15), and a buffer rubber pad is filled between the high-strength support (7) and the limiting groove (8);
the main columns (1) are vertically arranged, and the bottom surfaces of the main columns are fixed to the top end of the high-strength support (7);
the number of the overhanging type cantilever plates (4) is two, and the overhanging type cantilever plates are horizontally and symmetrically fixed on the corresponding side wall of the main column (1);
the top end of the high-strength anchor rod (10) penetrates through the overhanging type cantilever plate (4) and then is sleeved with a composite combined disc spring (6) for fixing, and the bottom end of the high-strength anchor rod is inserted into the concrete foundation (15) for fixing;
the dampers (9) are respectively installed on two sides of the main column (1), and two ends of each damper (9) are respectively connected with the side wall of the main column (1) and the top surface of the concrete foundation (15).
2. The steel column as claimed in claim 1, wherein a pre-embedded steel plate (12) is horizontally fixed in the concrete foundation (15); the high-strength anchor rods (10) are inserted into the concrete foundation (15), penetrate through the embedded steel plates (12) and are fixed with the bottom surfaces of the embedded steel plates (12).
3. The steel column as claimed in claim 1, wherein the main column (1) is an i-steel, and a plurality of transverse stiffeners (2) are uniformly fixed between the flange plates.
4. The steel column as claimed in claim 3, wherein a plurality of vertical support plates (3) are vertically fixed to the bottom end of the main column (1).
5. The steel column as claimed in claim 3 or 4, wherein the overhanging plate (4) is welded to the flange plate of the main column (1), and a triangle stiffener (5) is fixed between the upper side of the overhanging plate (4) and the outer wall of the main column (1).
6. The steel column as claimed in claim 1, wherein a bottom end plate (14) is fixed to the bottom end of the main column (1), and a triangular support (16) is fixed between the bottom end plate (14) and the high-strength support (7).
7. The steel column as claimed in claim 1, wherein the damper (9) is fixed at one end to the flange plate at the bottom end of the main column (1) by high-strength bolts and at the other end to the top end of the concrete foundation (15) by high-strength screws (11).
8. The energy-consuming tough steel column as claimed in claim 1, wherein the high-strength support (7) is a cylindrical, truncated cone-shaped or prismatic structure made of steel and/or concrete, and the cross-sectional dimension of the lower end of the high-strength support (7) in the rotational deformation direction is smaller than the cross-sectional dimension of the main column (1) in the corresponding direction.
9. The steel column as claimed in claim 1, wherein the damper (9) is a C-type damper, a rotational friction damper or a buckling restrained brace structure.
10. The method for constructing the energy-consuming tough steel column according to any one of claims 1 to 9, wherein the method comprises the following steps:
s1, pouring a concrete foundation (15), and embedding the high-strength screw rod (11) and the high-strength anchor rod (10) in the concrete foundation (15);
s2, prefabricating the main column (1), the transverse stiffening ribs (2), the vertical supporting plate (3), the damper (9) and the high-strength support (7), and welding the overhanging type cantilever plate (4) and the triangular plate stiffening ribs (5) on a flange plate of the main column (1) in advance;
s3, completing bolt splicing connection or welding connection between an upper end connecting plate of the high-strength support (7) and a bottom end plate (14) of the main column (1) in a factory or on a construction site, and completing welding connection of a triangular support (16) below the bottom end plate (14) of the main column (1);
s4, paving cushion rubber pads at the bottom and around the limiting groove (8) of the concrete foundation (15), completing the connection of the main column (1) and the high-strength support (7), placing the lower part of the high-strength support (7) into the limiting groove (8), calibrating the position, and fixing the main column by using temporary support;
s5, sequentially penetrating the overhanging type cantilever plate (4), the rigid backing plate (13) and the composite combined disc spring (6) at the upper part of the high-strength anchor rod (10), sequentially applying certain pre-pressure to the composite combined disc spring (6), paying attention to sequential application according to symmetrical positions, and calibrating;
s6, after the construction of the upper main body structure is completed, the vertical gravity load can cause a certain axial deformation of the high-strength support (7), and the bolts are further screwed down according to the pre-pressure of the designed composite combined disc spring (6), so that the composite combined disc spring (6) reaches the final designed pre-pressure;
s7, one end of the damper (9) is fixedly installed on the flange plate at the bottom end of the main column (1) through a high-strength bolt, and the other end of the damper is fixedly connected to the top end of the embedded high-strength anchor rod (11).
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111851261A (en) * | 2020-06-19 | 2020-10-30 | 重庆大学 | Self-resetting concrete filled steel tube pier structure provided with replaceable steel coupling beams and construction method of self-resetting concrete filled steel tube pier structure |
| CN113006375A (en) * | 2021-03-03 | 2021-06-22 | 江苏海洋大学 | Novel prestress self-resetting lattice column and construction method thereof |
| CN114908875A (en) * | 2022-05-26 | 2022-08-16 | 海南大学 | Self-resetting steel column base |
| CN116480002A (en) * | 2023-05-15 | 2023-07-25 | 山西建筑工程集团有限公司 | Prestressed assembled concrete frame node structure based on SMA blade type damper |
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| CN107339003A (en) * | 2017-08-23 | 2017-11-10 | 陈云 | A kind of Self-resetting suspension column |
| CN207296559U (en) * | 2017-08-23 | 2018-05-01 | 陈云 | A kind of Self-resetting suspension column |
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| CN111851261A (en) * | 2020-06-19 | 2020-10-30 | 重庆大学 | Self-resetting concrete filled steel tube pier structure provided with replaceable steel coupling beams and construction method of self-resetting concrete filled steel tube pier structure |
| CN113006375A (en) * | 2021-03-03 | 2021-06-22 | 江苏海洋大学 | Novel prestress self-resetting lattice column and construction method thereof |
| CN114908875A (en) * | 2022-05-26 | 2022-08-16 | 海南大学 | Self-resetting steel column base |
| CN116480002A (en) * | 2023-05-15 | 2023-07-25 | 山西建筑工程集团有限公司 | Prestressed assembled concrete frame node structure based on SMA blade type damper |
| CN116480002B (en) * | 2023-05-15 | 2024-05-03 | 山西建筑工程集团有限公司 | Prestressed assembled concrete frame node structure based on SMA blade type damper |
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