KR20170084424A - Concrete reinfored structure and aseismic damping system with the same - Google Patents
Concrete reinfored structure and aseismic damping system with the same Download PDFInfo
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- KR20170084424A KR20170084424A KR1020160003413A KR20160003413A KR20170084424A KR 20170084424 A KR20170084424 A KR 20170084424A KR 1020160003413 A KR1020160003413 A KR 1020160003413A KR 20160003413 A KR20160003413 A KR 20160003413A KR 20170084424 A KR20170084424 A KR 20170084424A
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- Prior art keywords
- concrete
- reinforcing
- disposed
- concrete body
- base plate
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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
-
- E04B1/985—
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
-
- 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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- 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
- E04H9/027—Preventive constructional measures against earthquake damage in existing buildings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Electromagnetism (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The present invention relates to a concrete structure comprising a concrete body, a concrete body constraining reinforcing bar disposed in the concrete body, a reinforcing body disposed at least in a space defined by the concrete body constraining reinforcing bar, and a reinforcing body disposed between the concrete body and the concrete body An anchor portion having one end disposed on the base plate and the other end disposed toward the reinforcing body; and an anchor portion disposed on the outer surface of the reinforcing body so that the concrete body and the base A concrete reinforcing structure including a concrete sequence body cast between the plates, and a method of manufacturing the same.
Description
The present invention relates to a building reinforcing structure, and more particularly, to a building reinforcing structure having a structure with improved strength in beams, columns and walls, a method for manufacturing the same, and an earthquake-resistant reinforced concrete damper damper system having the same.
A variety of anchors have been used for the joining of steel and concrete in conventional construction. These anchors can be classified into a pre-installed anchor and a post-installed anchor depending on the concrete placement and placement time, and the anchors installed at the same time as the concrete placement are anchor anchor such as a head bolt, a head stud, a hook bolt, And anchor to be installed after the concrete is poured includes various anchors such as a torque controlled expansion anchor, an undercut anchor, and the like.
1 and 2 show schematic cross-sectional views of a pre-installed anchor and a through bolt formed according to a conventional method. However, in the case of the conventional pre-installed anchor or through-bolt, it is difficult to secure the strength by concrete failure due to the limit of the anchor depth, but the depth of the anchor is increased.
That is, in the case of the conventional joint anchor for joining between concrete and steel frame, concrete cone fracture, lateral fracture, and anchor fracture may occur in the failure mode due to the tensile force of the anchor. In case of concrete fracture, It can be classified as a significant risk factor for damage, or it has been accompanied by physical constraints or considerable cost increases in order to avoid it.
SUMMARY OF THE INVENTION Accordingly, the present invention has been made in order to solve the problems of the prior art, and it is an object of the present invention to provide a method of joining a steel member and a concrete member such as H- To thereby increase the strength of concrete fracture, and a method of manufacturing the same.
In addition, when the concrete anchor is installed on the concrete with short pavement distance or narrow width or shallow depth, the concrete strength is increased through the reinforcing body U-bar, and when the base plate anchor is installed, It is another object of the present invention to provide adjustment of the anchor depth through force transmission to the strap.
The present invention relates to a concrete structure comprising a concrete body, a concrete body constraining reinforcing bar disposed in the concrete body, a reinforcing body disposed at least in a space defined by the concrete body constraining reinforcing bar, and a reinforcing body disposed between the concrete body and the concrete body An anchor portion having one end disposed on the base plate and the other end disposed toward the reinforcing body; and an anchor portion disposed on the outer surface of the reinforcing body so that the concrete body and the base A concrete reinforcing structure comprising a concrete sequence body laid down between plates.
A plurality of reinforcing bars at least a part of which are arranged in an intersecting direction with respect to the longitudinal direction of the base plate and the concrete body; and a plurality of reinforcement bars, As shown in FIG.
The reinforcing bar may include: a reinforcing main bar spaced apart in a direction transverse to the base plate and the concrete body; a reinforcing main bar disposed at one end side of the reinforcing main bar to connect the reinforcing main bar And a reinforcing side bar disposed at the other end of the reinforcing main bar so as to be at least partly perpendicular to the longitudinal direction of the reinforcing main bar and restricting the reinforcing main bar in contact with the reinforcing main bar.
In the concrete reinforcing structure, when the anchor portion is projected on a plane formed by the reinforcing bar, at least a part of the anchor portion may cross the reinforcing main bar.
In the concrete reinforcing structure, the reinforcing bar may have an Ω shape.
The concrete reinforced concrete structure according to claim 1, wherein the concrete body confined reinforcing bar comprises: a plurality of 'C' shaped concrete bounded reinforcing steel bodies having both ends connected to the concrete body; and a concrete body And a concrete body restraining reinforcing steel which restrains the concrete body restraining steel body in contact with the restraining steel body.
According to another aspect of the present invention, there is provided a method of manufacturing a concrete structure, comprising the steps of: providing a concrete body, a concrete body restraining bar disposed on the concrete body, a reinforcing body disposed at least partially inside the space defined by the concrete body restraining bar, And an anchor portion having one end disposed on the base plate and the other end disposed toward the reinforcing body, wherein the base plate is disposed outside the reinforcing body so that a space in which the concrete is placed between the concrete body and the concrete body is disposed, A concrete reinforcing structure is provided.
According to another aspect of the present invention, there is provided a concrete body providing method, comprising: providing a
According to another aspect of the present invention, there is provided a concrete body comprising: a concrete body; a concrete body restraining bar disposed at the concrete body; a reinforcing body disposed at least partially inside the space defined by the concrete body restraining bar; A base plate disposed on the outer side of the reinforcing body such that a space in which concrete is placed between the concrete plate and the concrete body is disposed between the base plate and the reinforcing body, and an anchor portion having one end disposed on the base plate and the other end disposed toward the reinforcing body And a concrete sequence body cast between the concrete body and the base plate, wherein the concrete body includes an upper beam or a lower beam disposed at upper and lower portions of the concrete structure body, And a damper damper The present invention provides an earthquake-resistant reinforced concrete damper damper system.
The vibration damping damper according to claim 1, wherein the damper damper comprises: an upper body and a lower body respectively disposed at upper and lower portions; A central body disposed between the upper body and the lower body; An upper connection module for coupling the upper body and the central body to each other so as to frictionally move relative to each other; And a lower connection module for frictionally connecting the lower body and the central body to each other to frictionally move the lower body and the lower body to frictionally move the upper body and the lower body relative to each other, Wherein the upper connection module includes a pair of connection plates having upper and lower ends both in close contact with both surfaces of the upper body and the central body; And a friction pad interposed between the upper body and the central body and the connection plate. The concrete body may be disposed at an upper portion or a lower portion, and the upper body or the lower body may be connected to the base plate.
The present invention has the following effects.
First, a concrete reinforcing structure according to an embodiment of the present invention and an earthquake-proof reinforced concrete reinforced damping damping system having the reinforced concrete reinforcing damping system according to an embodiment of the present invention can enhance the strength of concrete fracture strength due to increased contact between steel members and concrete.
Second, the reinforced concrete damping system according to an embodiment of the present invention and the reinforced damping damping system for reinforced earthquake-proof reinforced concrete having the same according to an embodiment of the present invention can improve the contact force between the steel member and the concrete due to the arrangement of the reinforcing body, , The strength of concrete fracture strength can be improved even for joints such as concrete members such as shallow depth walls and thin floors.
Third, the reinforced concrete damping system according to one embodiment of the present invention and the reinforced damping damping system for reinforced earthquake-proof reinforced concrete comprising the same can significantly reduce the construction period by reducing the amount of chipping during maintenance and repair work It may be accompanied by cost reduction due to air reduction.
Fourth, the reinforced concrete damping system according to one embodiment of the present invention and the reinforced damping damping system for reinforced earthquake-proof reinforced concrete having the same according to one embodiment of the present invention, when compared to the existing pre- It is possible to expect an effect of dispersion of strength in the reinforcing bars, thereby increasing the anchor depth and efficiency.
Fifth, a concrete reinforcing structure according to an embodiment of the present invention and an earthquake-proof reinforced concrete reinforced damping damping system having the reinforced concrete damping system according to the present invention provide an earthquake-proof reinforcement system having an increased earthquake resistance through connection with a damper damper, It may also enhance safety.
1 and 2 are schematic cross-sectional views of an anchor or through bolt according to the prior art.
3 is a schematic cross-sectional view of a concrete reinforcing structure according to an embodiment of the present invention.
4 is a schematic partial perspective view of a concrete reinforcing structure according to an embodiment of the present invention.
5 is a schematic partial perspective view of a concrete reinforcing structure according to an embodiment of the present invention.
6 is a schematic partial side view of a concrete reinforcing structure according to an embodiment of the present invention.
FIGS. 7 and 8 are schematic partial cross-sectional and side cross-sectional views of a concrete reinforcing structure according to another embodiment of the present invention.
FIG. 9 and FIG. 10 are schematic partial cross-sectional and side cross-sectional views of a concrete reinforcing structure according to another embodiment of the present invention.
11 to 15 are a perspective view, a side view, a front view, and a partial enlarged front view, respectively, of a structure of an earthquake-proof reinforced concrete reinforced damping damping system including a concrete reinforcing structure and a vibration damping damper according to another embodiment of the present invention.
An example of a concrete reinforcing structure according to an embodiment of the present invention is shown in FIG. 3 and below, and the present invention will be described with reference to the drawings.
A concrete reinforcing structure 10 according to an embodiment of the present invention includes a
The
The
In addition, the
At least a part of the concrete
The concrete body
The plurality of concrete body-restraining reinforcing
In some cases, the concrete
Although the number and arrangement positions of the concrete body restraining reinforcing
Also, the concrete reinforcing structure 10 of the present invention includes a
The reinforcing
The
Also, the concrete reinforcing structure 10 of the present invention includes an
More specifically, one end of the
Although the
More specifically, the reinforcing
At least a portion of the reinforcing
The reinforcing
That is, in the present embodiment, a pair of reinforcing
Another reinforcing
Here, the reinforcing
The reinforcing
The reinforcing sidebar
The reinforcing main
More specifically, the
Hereinafter, a manufacturing process of the concrete reinforcing structure 10 will be described.
First, a concrete body providing step is performed in which a
Thereafter, the
An
The reinforcing
Thereafter, a concrete sequence body step in which concrete is placed between the
7 and 8 illustrate another embodiment of the present invention in which a side view of a structure according to a manufacturing process of a concrete reinforced structure 10 realized by a thin wall or a thin bottom in which an anchor opening distance can not be secured And a front view.
First, a
Thereafter, the
The reinforcing
Thereafter, the reinforcing
Although the concrete sequence body 40 (see FIGS. 7 and 8) has been described as being integrally formed with the concrete body in the above embodiment, the structure of the present invention is not limited to a thin wall or a thin floor The concrete body and the concrete sequence body may be integrally formed in a single structure (see FIGS. 9 and 10). That is, the concrete
In the above embodiments, only the reinforcement structure formed through the concrete body and the concrete sequence body is described. However, the present invention includes the reinforcement damping system for reinforced earthquake-proof reinforcement including the above concrete reinforcement structure. For example, Reinforced concrete damping system having a structure in which the above-described concrete reinforcing structure of the concrete reinforcing structure is connected with a vibration damping damper to enhance the vibration resistance. That is, the earthquake-proof reinforced concrete damping damping system includes the above-described concrete reinforcing structure and the vibration damping damper, and the structure of the concrete reinforcing structure is replaced with the above structure to avoid overlapping.
FIG. 11 is a perspective view schematically showing an assembling configuration of a concrete structure of a seismic strengthening concrete reinforcing damping system according to an embodiment of the present invention and a vibration damper connected thereto, FIG. 12 is a perspective view of a seismic strengthening concrete damping system according to an embodiment of the present invention, FIG. 13 is a sectional view schematically showing the internal structure of a vibration damping damper of an earthquake-proof reinforced concrete reinforced damping system according to an embodiment of the present invention. FIG. 13 is a sectional view schematically showing the internal structure of a vibration damping damper of a reinforced concrete reinforced vibration damping system. to be.
The vibration damping damper connected to the concrete structure of the earthquake-proof reinforced concrete reinforcing damping system according to the embodiment of the present invention damps the external load by the hysteresis due to the frictional force as well as the resistance deformation due to its own rigidity. A
The damper damper is disposed between the upper beam and the lower beam. The upper concrete structure of the present invention may be embodied as a beam structure including an upper beam or a lower beam. The
The
According to this structure, the vibration damper of the earthquake-proof reinforced concrete reinforced damping damping system according to an embodiment of the present invention can prevent the vibration of the
It is preferable that the
Meanwhile, as described above, the vibration damper according to the embodiment of the present invention firstly frictionally damps the external load by the relative friction movement of the
According to this structure, the vibration damping damper according to the embodiment of the present invention performs the primary friction damping function by the relative friction movement of the
Next, we will examine each configuration in more detail.
The
For example, the
The
At least one stiffener S may be mounted on the
The strength of the
The
The damper damper according to an embodiment of the present invention may be installed to reinforce non-structural walls of a building structure rather than a wall structure of the building structure. In this way, the concrete damper of the concrete structure of the building structure, An
Particularly, when the height of the building is high and the size of the
The
The
For example, as shown in FIG. 12, a slot hole H2 is formed horizontally at the upper end of the
The coupling bolt B and the nut N are coupled to the bolt hole H1 formed in the
According to the coupling structure through the slot hole H2, the
That is, when an external load greater than the maximum static frictional force due to contact with the
At this time, the
The
As described above, the
Since the relative friction movement between the
14 and 15 are a schematic front view and a partially enlarged enlarged front view of an earthquake-proof reinforced concrete reinforced damping damping system in which the vibration damping damper and the concrete reinforcing structure of the present invention are connected to each other. The central body of Figs. 14 and 15 has a structure in which a through hole is additionally formed, unlike the case shown in Fig. The
The above embodiments illustrate examples of the present invention. The present invention can be applied to a structure including a concrete body, a concrete body constraining steel bar, a base plate, and an anchor portion, and a reinforced concrete reinforced concrete structure having such a concrete reinforcing structure Various modifications are possible within the scope of providing a vibration suppression damping system.
100 ...
300 ...
320 ... Reinforced hoop
Claims (10)
A concrete body restraining bar disposed on the concrete body,
At least a part of which is disposed inside the space defined by the concrete body restraining bar,
A base plate disposed on the outer side of the reinforcing body so that a space in which the concrete is placed between the concrete body and the concrete body,
An anchor portion having one end disposed on the base plate and the other end disposed toward the reinforcing body,
And a concrete sequence body cast between the concrete body and the base plate.
The reinforcing body comprises:
A plurality of reinforcing bars at least partially disposed in a direction crossing the longitudinal direction of the base plate and the concrete body,
And a reinforcing hoop for restraining the plurality of reinforcing bars between the base plate and the concrete body.
The reinforcing bar comprises:
A reinforcing main bar spaced apart in a direction transverse to the base plate and the concrete body,
A reinforcing main bar connecting line disposed at one end side of the reinforcing main bar and connecting the reinforcing main bar,
And a reinforcing side bar disposed at the other end side of the reinforcing main bar so as to be at least partially perpendicular to the longitudinal direction of the reinforcing main bar and restricting the reinforcing main bar in contact with the reinforcing hoop.
When the anchor portion is projected on a plane formed by the reinforcing bar,
Wherein at least a portion of the anchor portion intersects the reinforcing main bar.
Wherein the reinforcing bar has an Ω shape.
The concrete body confined reinforcing bars are:
A plurality of 'C' shaped concrete-bound reinforcing bars connected at both ends to the concrete body,
And a concrete body restraining reinforcing bar for restraining the concrete body restraining reinforcement body in contact with the concrete body restraining reinforcement body disposed across the concrete body restraining reinforcement body.
A concrete body restraining bar disposed on the concrete body,
At least a part of which is disposed inside the space defined by the concrete body restraining bar,
A base plate disposed on the outer side of the reinforcing body so that a space in which concrete is poured is disposed between the concrete body and the concrete body;
And an anchor portion having one end disposed on the base plate and the other end disposed toward the reinforcing body.
A reinforcing body disposing step of disposing the reinforcing body 300 on the concrete body 20,
A base plate disposing step of disposing a base plate 100 in which the reinforcing body 300 is disposed between the concrete bodies 20 and an anchor portion is disposed on the inner side toward the concrete body;
And a concrete sequence body step of forming a concrete sequence body integrally formed with the concrete body by placing concrete between the concrete body 20 and the base plate 100. [ .
And a vibration damping damper disposed between the upper beam and the lower beam.
The vibration damping damper comprises:
An upper body and a lower body respectively disposed at upper and lower portions; A central body disposed between the upper body and the lower body; An upper connection module for coupling the upper body and the central body to each other so as to frictionally move relative to each other; And a lower connection module for coupling the lower body and the central body to each other so as to frictionally move relative to each other,
The first and second frictional damping forces are applied to the central body through the relative friction movement of the upper and lower bodies,
Wherein the upper connection module includes a pair of connection plates having upper and lower ends both in close contact with both surfaces of the upper body and the central body; And a friction pad interposed between the upper body and the central body and the connecting plate,
Wherein the concrete body is disposed at an upper portion or a lower portion, and the upper body or the lower body is connected to the base plate.
Priority Applications (1)
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KR1020160003413A KR101824790B1 (en) | 2016-01-11 | 2016-01-11 | Concrete reinfored structure and aseismic damping system with the same |
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KR1020160003413A KR101824790B1 (en) | 2016-01-11 | 2016-01-11 | Concrete reinfored structure and aseismic damping system with the same |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108277998A (en) * | 2018-04-04 | 2018-07-13 | 四川森宇建筑工程有限公司 | A kind of concrete strengthening wall body structure |
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JP5147068B2 (en) * | 2008-12-26 | 2013-02-20 | 岡部株式会社 | Base plate construction method for attaching a seismic isolation device, and reinforcing bars for base plate installation used in the construction method |
KR101402479B1 (en) * | 2011-06-09 | 2014-06-09 | (주) 동양구조안전기술 | Aseismic Damper |
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CN108277998A (en) * | 2018-04-04 | 2018-07-13 | 四川森宇建筑工程有限公司 | A kind of concrete strengthening wall body structure |
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