KR101755127B1

KR101755127B1 - Isolation structural system for vertical and horizontal extension remodeling

Info

Publication number: KR101755127B1
Application number: KR1020150167632A
Authority: KR
Inventors: 박태원; 엄태성; 이상현; 정란; 허무원
Original assignee: 단국대학교 산학협력단
Priority date: 2015-11-27
Filing date: 2015-11-27
Publication date: 2017-07-07
Also published as: KR20170062623A

Abstract

The present invention relates to an insulation layer (100), which is provided at an uppermost portion of an existing building (10) and is wider than the uppermost horizontal width of the existing building (10). The floor slab 102 includes a bottom slab 102 and a bottom slab 102. The bottom slab 102 is a bottom edge of the bottom slab 102. The bottom slab 102 includes a bottom slab 102, The vertical expansion space 300 is provided on the upper side from the vibration isolation layer 100 and the upper side of the existing building 10 and the horizontal expansion section 100 are provided on the lower side from the vibration isolation layer 100. [ And a horizontal enlargement space 200 is provided between the columns 120. FIG.
According to the present invention, horizontal and vertical enlargement of an existing building becomes possible, and economical efficiency can be secured by reducing the amount of reinforcement for securing seismic performance.

Description

[Background Art] [0002] Isolation structural systems for vertical and horizontal extension remodeling

The present invention relates to an isolation structure for horizontal and vertical extension remodeling, and more particularly, to an isolation structure applicable to an existing building having a seismic design.

In order to resist the seismic force, a separate device such as 'earthquake' which is designed to make the structure made of pillars or reinforcing materials as strong as possible or a huge weight (pendulum type vibration damper) , 'Isolation' is a technique to minimize the amount of seismic force transferred directly to the building by separating the building from the foundation.

Specifically, seismic isolation is a technique of separating a building from a ground by inserting a special damping structure between the building and the foundation. A mechanism such as a seismic isolation device (see FIG. 4) This is a technique that can effectively improve the seismic behavior of the superstructure of the building by reducing the seismic effect on the building by making the period longer.

These seismic isolation technologies have been recognized for their excellence as technologies that have been demonstrated and commercialized mainly in countries that have experienced earthquakes such as Japan, USA, New Zealand and China.

In addition, it is a very practical method to effectively improve the seismic performance of existing structures as well as the expansion / contraction structures under conditions that do not impair the function or aesthetics of the structure itself.

Internationally, there is a growing interest in seismic rescue systems, and the Korean Building Construction Standard (KBC) is also expected to introduce new regulations on the current seismic structure, reflecting the situation. However, specific design standards and guidelines are insufficient.

A related prior art will be described.

Japanese Patent Application Laid-Open No. 2001-227176 provides a method of reducing an earthquake force transmitted to an existing building by providing an insulation layer at the time of expansion. However, there is no consideration of a technology for expanding the space for enlargement in the remodeling by using the seismic layer only because it is only a consideration of providing the seismic layer in the enlargement process.

Japanese Patent Registration No. 4092624 relates to a seismic structure of a building, in which an intermediate seam layer is formed between an upper structure and a lower structure, and a seismic structure in which an seismic device is disposed in the middle seam is provided. However, this technology also has a low remodeling efficiency due to the lack of discussion on horizontal expansion.

JP 2001-227176 A JP 4092624 B2 JP 4914940 B2

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems.

Specifically, a seismic layer that is wider than that of an existing building having a seismic design (for example, a building to which seismic design was built since 1988) is provided, so that it is possible to perform vertical expansion remodeling as well as horizontal expansion remodeling. And to provide a seismic isolation system that can be secured.

Here, we propose an isolation structure system that can be remodeled because it can be applied to not only buildings that are earthquake-resistant, but also those that are not.

Also, in case of existing buildings, it is proposed to reduce the floor shear force at the upper part and to reinforce the columns at the horizontally extended part to minimize the seismic reinforcement of existing buildings. In addition, a seismic system capable of enlarging a wall-mounted structure, which is difficult to extend with conventional isolation systems, is proposed.

According to an aspect of the present invention,

(100) which is provided at the uppermost part of the existing building (10) and is wider than the uppermost horizontal width of the existing building (10); And at least one horizontally sloped floor slab 102 facing the ground at an outer region of the existing building 10 of the floor slab 102, The vertical expansion space 300 is provided on the upper side from the vibration isolation layer 100 and the upper side of the existing building 10 and the horizontal expansion section 100 are provided on the lower side from the vibration isolation layer 100. [ And a horizontal enlargement space 200 is provided between the columns 120. FIG.

It is preferable that the existing building 10 is a building having an earthquake-resistant design.

Also, the existing building 10 is preferably a wall structure.

It is preferable that the area enlarged by the horizontal expansion space 200 and the vertical expansion space 300 is 30% to 40% of the area of the existing building 10, The horizontally extending space 200 is horizontally enlarged by a horizontal extension distance d from the existing building 10 and the horizontal extension distance d is more preferably from 50 cm to 70 cm.

In addition, the horizontal enlargement part column 120 may be at least one of a steel frame, a reinforced concrete, an SRC (Steel Reinforced Concrete), and a CFT (Concrete Filled Steel Tube).

Further, it is preferable that the core 150 of the existing building 10 reaches the vertical expansion space 300.

In addition, it is preferable to include at least one isolator 110 installed inside the vibration isolation layer 100.

In addition, it is preferable that the splitter 110 is disposed on the horizontally enlarged part 120.

In addition, it is preferable that the seismic isolation device 110 is composed of any one of laminated rubber types and non-laminated rubber types.

In addition, it is preferable that the structure of the vertical extension space 300 is different from the structure of the existing building 10.

The present invention can vertically enlarge and remodel the upper part of the existing building including the seismic layer which is wider than the uppermost horizontal width of the existing building, and also can horizontally enlarge and remodel the existing building including the horizontally enlarged side part pillars.

In addition, since the seismic isolation layer is formed as a separate layer, the maintenance and repair are easy, and the load transfer to the existing building is minimized in the vertical enlargement space remodeled vertically (see FIG. 1).

In addition, due to the seismic layer of the seismic isolation system according to the present invention, the vibration period of the remodeling building is increased, and the seismic load transmission is reduced.

In addition, due to the horizontal enlargement column for horizontal expansion remodeling, the amount of structural reinforcement such as walls and foundation is minimized, which is economical.

1 is a perspective view of an existing building.
FIG. 2 shows a process in which the system according to the present invention is remodeled in the existing building of FIG. 1, and a horizontal enlarging part column is further shown.
FIG. 3 shows a process of remodeling the system according to the present invention in the state of FIG. 2, and further shows a horizontally-enlarged building and an insulation layer.
FIG. 4 shows a process of remodeling the system according to the present invention in the state of FIG. 3, and shows a building in which the expansion is completed.
5 is a cross-sectional view taken along line AA of FIG.

Hereinafter, "existing building 10 " means an existing building to be remodeled, and" existing land 20 "means a land on which an existing building 10 is built.

Hereinafter, "core 150" is a concept well known in the prior art, meaning that it exists in some intensive form on a part of a building in terms of plane, structure and equipment in the building.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the accompanying drawings. Here, the constituent elements of the present invention can be used integrally or separately from each other as needed. In addition, some components may be omitted depending on the usage form. Various modifications can be made in the form and the number of elements of the present invention.

A preferred embodiment of a plane structure system capable of vertical and horizontal enlargement according to the present invention will be described with reference to the accompanying drawings. In this process, the thicknesses of the lines and the sizes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation. In addition, the terms described below are defined in consideration of the functions of the present invention, which may vary depending on the intention or custom of the user, the operator. Therefore, the definitions of these terms should be described based on the contents throughout this specification.

It should be understood that other types of vertical and horizontal retrofitted seismic systems, including all of the elements in one embodiment or having other features in this specification, may be readily derived.

1 to 5, a plane structure system capable of vertical and horizontal enlargement will be described in detail.

The existing building 10, the existing ground 20, the base isolation layer 100, the horizontal enlargement space 200, and the vertical enlargement space 300 can be vertically and horizontally enlarged.

The existing building 10 is a building before being horizontally and vertically enlarged, and has an uppermost seismic layer 100.

There is no limitation on the type of the existing building 10, but according to the present invention, it is possible to apply it to a wall-structure building as well as a building already designed for earthquake-proofing.

Here, the "wall structure" is one of the structural methods of the building, which is composed of foundation, floor and wall, and the load of the floor slab is lowered through the wall at the lower end and transferred to the ground via the foundation plate. However, when the isolation structure system according to the present invention is applied, planar variability is ensured.

The seismic isolation layer 100 is a layer formed to include seismic isolation. The seismic isolation layer 100 includes a seismic ceiling slab 103, a seam floor slab 102, and a seismic isolation device 110.

The seismic isolation layer 100 can reduce the layer shear force of the existing building 10 to ensure seismic performance and reduce the amount of seismic reinforcement.

The base isolation layer 100 is provided at the uppermost portion of the existing building 10 in the enlargement process thereof and is wider than the uppermost horizontal width of the existing building 10. This is to provide a horizontal enlargement space 200 in the lower part.

It is needless to say that the width of the vibration proofing layer 100 may vary depending on the horizontal space to be enlarged, that is, the horizontal extension distance d.

Here, the horizontal extension distance d is preferably 50 cm to 70 cm.

These figures have two meanings.

First, when the horizontal expansion distance (d) is less than 50 cm, the economic effect due to the horizontal expansion is smaller than the remodeling cost, and when the horizontal expansion distance (d) exceeds 70 cm, the isolation performance itself decreases.

Second, there is an analysis that it is desirable to increase the expansion area by 30% to 40% of the existing building area because it may cause various problems including the structural safety problem when the expansion area is wider than the existing building. Therefore, It is preferable that the horizontal extension distance d is set to 50 cm to 70 cm.

In other words, the seismic isolation device 110 is installed inside the seismic isolation layer 100, that is, positioned between the seismic isolation ceiling slab 103 and the seismic isolation floor slab 102.

Although there is no limitation on the number of the seismic isolation devices 110, at least one of them is provided for forming the vertical expansion space 300 and the horizontal expansion space 200 above the base isolation layer 100, Lt; / RTI >

In addition, the seismic isolation device 110 may be any conventional device, but may be any of laminated rubber types and non-laminated rubber types.

Examples of laminated rubber types include a lead-in type, a high-attenuation type, and a low-attenuation type. Examples of the non-laminated rubber types include a ball type, a roller type, and a line type.

For example, as shown in Fig. 5, the resilient seals may be alternately laminated with a thin rubber and a reinforcing steel plate. Alternatively, it may be a lead-free bearing that provides a large damping force by the hysteretic behavior of the lead as well as providing initial stiffness for small lateral forces such as wind loads by inserting lead in the center.

The horizontally enlarged part 120 is a new column positioned at the horizontal enlargement part and is provided at the lower end of the seismic floor bottom slab 102 toward the ground in the outer area of the existing building 10.

The horizontal enlargement part pillars 120 are vertically provided in the outer area of the existing land 20 so as to be wider than the width of the existing building 10 in accordance with the purpose of remodeling (see FIG. 2).

The number of the horizontal enlarging part pillars 120 may vary depending on the size of the existing building 10 and the purpose of the remodeling.

The horizontally extending pillar 120 may be a steel frame, a reinforced concrete, an SRC (Steel Reinforced Concrete), or a CFT (Concrete Filled Steel Tube).

The core 150 is provided so that the core 150 of the existing building 10 passes through the seismic isolation layer 100 and reaches the vertical expansion space 300. As a result, the entire building can be reinforced with structural strength.

The vertical extension space 300 is newly formed on the upper part of the existing building 10 due to remodeling of the existing building 10 and is provided upward from the base isolation layer 100.

In other words, a vertical enlargement space 300 is provided on the upper side from the insulation layer ceiling slab 103.

Since the vertical expansion space 300 is a new construction, the same structure type as that of the existing building 10 can be adopted. You can also change the structure type.

While the present invention has been described with reference to exemplary embodiments thereof, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the present invention as defined by the following claims. It will be appreciated that embodiments are possible. Accordingly, the scope of protection of the present invention should be determined by the claims.

10: Existing building
20: existing land
100: Base isolation layer
102: Floor slab with seawalls
103: Base isolation slab ceiling slab
110: Isolation device
120: Horizontal extension column
150: Core
200: Horizontal extension space
300: Vertical extension space

Claims

A surface-mounted structural system including an uppermost horizontal layer of the existing building (10), the uppermost horizontal width of the existing building (10)
The vibration damping layer (100)
A bottom seam bottom slab 102;
An upper seismic ceiling slab 103; And
And at least one isolation device (110) positioned between the seismic isolation floor slab (102) and the seismic isolation ceiling slab (103)
A plurality of horizontally extending columns 120 disposed on the lower side of the bottom slab 102 and located on the lower side of the existing building 10 toward the ground, Wherein the base slab 102 and the ceiling slab 103 are formed to be wider than the uppermost horizontal width of the existing building 10 so that the vertical expansion A space 300 is provided,
A horizontally enlarged space 200 is provided between the existing building 10 and the horizontal enlargement part 120 in the lower side from the vibration isolation layer 100,
The structure type of the vertical extension space 300 is different from the structure type of the existing building 10,
The existing building 10 is a wall structure,
The horizontally extending pillar 120 may be formed of at least one of a steel frame, a reinforced concrete, a SRC (Steel Reinforced Concrete), and a CFT (Concrete Filled Steel Tube)
An isolation structure system for remodeling.

The method according to claim 1,
The existing building (10) is an earthquake-
An isolation structure system for remodeling.

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The method according to claim 1,
The area enlarged by the horizontal expansion space 200 and the vertical expansion space 300 is 30% to 40% of the area of the existing building 10,
An isolation structure system for remodeling.

5. The method of claim 4,
The vertical extension space 300 has three layers,
The horizontal expansion space 200 is horizontally expanded from the existing building 10 by a horizontal expansion distance d,
Wherein the horizontal extension distance d is 50 cm to 70 cm,
An isolation structure system for remodeling.

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The method according to claim 1,
The core 150 of the existing building 10 reaches the vertical extension space 300,
An isolation structure system for remodeling.

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The method according to claim 1,
The seismic isolation device (110) is disposed on the horizontal extension column (120)
An isolation structure system for remodeling.

The method according to claim 1,
The seismic isolation device (110) comprises one of laminated rubber types and non-laminated rubber types,
An isolation structure system for remodeling.

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